Skip to content
Platform Engineer

Platform Engineer

Career Opportunities: General IT Applications Development / Associate - Senior Professional (3127)

National Bank of Greece

Athenssenior

Apply on the employer's site

Role description

Ρόλος
/ Τίτλος
Θέσης
& Επίπεδο
:
General IT Applications Development / Associate - Senior Professional

Διεύθυνση/Τομέας:
Μονάδες Πληροφορικής της Τράπεζας & του Ομίλου

Τοποθεσία:
Αθήνα, Θεσσαλονίκη, Πάτρα

Μοντέλο εργασίας:
Υβριδικό (φυσική παρουσία και τηλεργασία σύμφωνα με το ισχύον πλαίσιο και τις επιχειρηματικές ανάγκες)

Αναφορά σε:
Επικεφαλής Υποδιεύθυνσης

Η Εθνική Τράπεζα
Η Εθνική Τράπεζα, με συνεχή παρουσία από το 1841, αποτελεί έναν από τους κορυφαίους χρηματοπιστωτικούς οργανισμούς της Ελλάδας, με διεθνή παρουσία σε Κύπρο και Βόρεια Μακεδονία . Στην Ελλάδα, διαθέτουμε ένα ολοκληρωμένο δίκτυο πανελλαδικά με περισσότερα από 305 καταστήματα και 1.450 ΑΤΜ ενώ μέσω των ψηφιακών μας καναλιών εξυπηρετούμε περίπου 3,3 εκατ. πελάτες.

Με όραμα να είμαστε η «Τράπεζα Πρώτης Επιλογής», λειτουργούμε με επίκεντρο τον άνθρωπο, συνδυάζοντας αξιοπιστία, αποτελεσματικότητα και προσανατολισμό στην ανάπτυξη. Οι περισσότεροι από 6.000 άνθρωποί μας αποτελούν τον κινητήριο μοχλό αυτής της πορείας, συμβάλλοντας καθημερινά στη δημιουργία αξίας για την κοινωνία και την οικονομία.

Επενδύουμε διαρκώς σε τεχνολογία αιχμής και στον ψηφιακό μετασχηματισμό, διαμορφώνοντας ένα σύγχρονο περιβάλλον όπου οι άνθρωποί μας εξελίσσονται, καινοτομούν και δημιουργούν ουσιαστικό αντίκτυπο.

Ο ρόλος
Αναζητούμε έμπειρους
General IT Applications Development – Associate / Senior Professional
s
για τις Μονάδες Πληροφορικής, έναν νευραλγικό τομέα της Τράπεζας που βρίσκεται στο επίκεντρο του ψηφιακού μετασχηματισμού και έχει καθοριστικό ρόλο στην ανάπτυξη, τη συντήρηση και τη συνεχή εξέλιξη κρίσιμων ψηφιακών λύσεων για την υποστήριξη του συνόλου των τραπεζικών λειτουργιών και της εμπειρίας πελάτη. Στον ρόλο αυτό θα συμμετέχεις στον σχεδιασμό και την υλοποίηση σύγχρονων συστημάτων και εφαρμογών σε στενή συνεργασία με cross-functional ομάδες, θα συμβάλλεις στη βελτίωση υφιστάμενων λειτουργικοτήτων και θα συμμετέχεις στη διασφάλιση της ομαλής και αποδοτικής λειτουργίας των συστημάτων. Θα έχεις τη δυνατότητα να αξιοποιείς σύγχρονες τεχνολογίες (microservices, API orchestration, Containerized orchestration, event streaming platforms, cloud technologies), σε ένα περιβάλλον που προάγει τη συνεχή μάθηση, την ανταλλαγή γνώσης και την επαγγελματική εξέλιξη.

Κύριες Αρμοδιότητες

  • Σχεδιασμός λύσεων πληροφορικής και τεχνική υλοποίηση, κατανοώντας τις επιχειρησιακές διαδικασίες
  • Εκσυγχρονισμός εφαρμογών και συστημάτων μέσω των μεθόδων και εργαλείων τελευταίας τεχνολογίας
  • Παρακολούθηση του κύκλου ανάπτυξής των συστημάτων (Software Development Life Cycle)
  • Παρακολούθηση και προληπτική μέριμνα για την καλή λειτουργία των συστημάτων
  • Επικοινωνία τυχόν προβλημάτων, έγκαιρη και αποτελεσματική συμμετοχή στις προσπάθειες αντιμετώπισής τους, στο πλαίσιο της ομάδας ή/και με συμμετοχή σε ευρύτερες ομάδες εργασίας
  • Έλεγχος της σωστής λειτουργίας και της τεχνικής υλοποίησης σε όλες τις φάσεις της
  • Εντοπισμός σημείων προς βελτίωση σε υφιστάμενες λειτουργικότητες και επιμέλεια της ανάπτυξης αυτών
  • Συνεργασία με τις ομάδες των υποδομών και των επιχειρησιακών χώρων
  • Ανάλυση λειτουργικών απαιτήσεων και μετατροπή τους σε αρχιτεκτονική και μηχανογραφική λύση
  • Οργάνωση των εργασιών βάσει πλάνου, με συγκεκριμένο χρονοπρογραμματισμό, φάσεις καθώς και παραδοτέα
  • Μεταφορά κύριων σημείων των τεχνικών υλοποιήσεων στα ενδιαφερόμενα μέρη, με σαφήνεια και πληρότητα, σε όλες τις φάσεις κατά τη διάρκεια των εργασιών/έργων
  • Σύνταξη των κατάλληλων εγγράφων (documentation) χρησιμοποιώντας φόρμες προτύπων που έχει υιοθετήσει ο οργανισμός
  • Άσκηση καθηκόντων ΙΤ Project Manager ακολουθώντας το ισχύον πλαίσιο διαχείρισης έργων, τους σχετικούς κανονισμούς και διαδικασίες της Τράπεζας, καθώς και τις βέλτιστες πρακτικές
  • Διαχείριση και εποπτεία (vendor management) με αποτελεσματικό τρόπο, των εταιρειών που παράγουν λογισμικό (CoTS)

Απαραίτητα Προσόντα

  • Πτυχίο Πανεπιστημιακής Εκπαίδευσης Πληροφορικής / Θετικής / Τεχνολογικής / Οικονομικής κατεύθυνσης ή Πολυτεχνείου
  • Πρόσφατη εμπειρία:
  • τουλάχιστον 2 ετών για επίπεδο Associate Professional ή
  • τουλάχιστον 5 ετών για επίπεδο Senior Professional

ως Application Developer, με ενεργή συμμετοχή σε έργα πληροφορικής και ανάπτυξη enterprise εφαρμογών

  • Ψηφιακές δεξιότητες/ τεχνικές γνώσεις: Εναλλακτικά, ένα ή περισσότερα, από τα παρακάτω:
  • Ευχέρεια στη χρήση σύγχρονων γλωσσών προγραμματισμού και εμπειρία σε ανάπτυξη web & mobile εφαρμογών. Ενδεικτικά: React, React Native, JavaScript/TypeScript, .NET (C#), Java, Spring Boot, Python, SAP ABAP.
  • Εξοικείωση με RESTful APIs: Αρχές σχεδιασμού, υλοποίησης και κατανόησης API integration
  • Εμπειρία στη χρήση και σχεδιασμό SQL Databases
  • Πολύ καλή γνώση αγγλικών (τουλάχιστον επιπέδου C1)

Ειδικές Απαιτήσεις:

  • Δυνατότητα συμμετοχής σε standby rotation προκαθορισμένο πρόγραμμα για την υποστήριξη κρίσιμων παραγωγικών συστημάτων.

Επιθυμητά
Προσόντα
:

  • Μεταπτυχιακός τίτλος (MSc) Πληροφορικής ή Οικονομικής / Θετικής/ Τεχνολογικής κατεύθυνσης
  • Πιστοποιήσεις:
  • CBAP (Certified Business Analysis Professional)
  • PMI (Project Management Professional), PRINCE2
  • σε αντικείμενα σχετικά με τον σχεδιασμό, ανάπτυξη και διαχείριση εφαρμογών πληροφορικής, π.χ.Net Certifications
  • Ψηφιακές δεξιότητες/ τεχνικές γνώσεις: Εναλλακτικά, ένα ή περισσότερα, από τα παρακάτω:
  • Εμπειρία σε:
  • χρήση και αξιοποίηση τεχνολογιών genAI (Claude, Code Codex)
  • χρήση SSIS για διαδικασίες διαχείρισης και ενσωμάτωσης δεδομένων (data management & integration)
  • technical design
  • αρχιτεκτονική microservices
  • IBM App Connect Enterprise (ACE) ή IBM Integration Bus
  • Εξοικείωση με τεχνολογίες Data Engineering και εργαλεία Power BI, Databricks & MS Fabric
  • Γνώσεις:
  • version control συστημάτων (Git), με εφαρμογή best practices
  • DevOps και πρακτική χρήση εργαλείων CI/CD (βασικό επίπεδο)
  • αρχιτεκτονικής συστημάτων
  • διαχείρισης έργων (Project Management) (βασικό επίπεδο)

Δεξιότητες

  • Δυνατότητα διαχείρισης πολλαπλών έργων και ανταπόκρισης σε συγκεκριμένα χρονοδιαγράμματα
  • Ανθεκτικότητα & αποτελεσματικότητα σε συνθήκες πίεσης
  • Αναλυτική και συνθετική σκέψη με έμφαση στην επίλυση προβλημάτων
  • Οργανωτική ικανότητα, μεθοδικότητα, επιμέλεια, προσοχή στη λεπτομέρεια και ταχύτητα
  • Ευελιξία και προσαρμοστικότητα στις αλλαγές
  • Ικανότητα συνεργασίας σε διατμηματικές ομάδες
  • Διανοητική περιέργεια
  • Επικοινωνιακές δεξιότητες και ικανότητες διαπραγμάτευσης
  • Διοικητικές δεξιότητες (κατά περίπτωση Μονάδας/ ομάδας/ έργου/ συστήματος)

Τι προσφέρουμε:

  • Ευκαιρίες εκπαίδευσης και ανάπτυξης δεξιοτήτων (skilling / upskilling) μέσω εκπαιδευτικών προγραμμάτων, NBG Academies, πιστοποιήσεων, πρόσβασης σε Coursera Courses και εξατομικευμένων αναπτυξιακών δράσεων
  • Δομημένο πρόγραμμα ένταξης (onboarding) και συνεχή υποστήριξη από την ομάδα HR Business Partners
  • Φιλικό και υποστηρικτικό εργασιακό περιβάλλον, που ενθαρρύνει την ανατροφοδότηση, την εμπιστοσύνη και τη συνεχή ανάπτυξη
  • Υβριδικό μοντέλο εργασίας
  • Ανταγωνιστικό πακέτο αποδοχών
  • Ομαδικό πρόγραμμα υγείας ΤΥΠΕΤ (με παροχές όπως επίδομα βρεφονηπιακού σταθμού και Summer Camps)
  • Δυνατότητα παροχής επαγγελματικής ασφαλιστικής προστασίας, πέραν της παρεχόμενης από την υποχρεωτική κοινωνική ασφάλιση, μέσω του Ταμείου Επαγγελματικής Ασφάλισης Προσωπικού Εθνικής Τράπεζας της Ελλάδος (ΤΕΑ-ΕΤΕ)
  • Δυνατότητα για επιπλέον ημέρες ετήσιας άδειας (χειμερινό bonus)
  • Προνομιακή τιμολόγηση σε τραπεζικά προϊόντα
  • Δράσεις team building και ευεξίας
  • Συμμετοχή σε εθελοντικές δράσεις και πρωτοβουλίες κοινωνικής προσφοράς

Γίνε μέλος της ομάδας μας!
Αν πιστεύεις ότι ταιριάζεις με τη θέση αυτή, θα χαρούμε να λάβουμε την αίτησή σου!

Διαδικασία επιλογής
Στην Εθνική Τράπεζα της Ελλάδος, δεσμευόμαστε να παρέχουμε ίσες ευκαιρίες απασχόλησης και δεν επιτρέπουμε καμία μορφή διάκρισης. Όλες οι αιτήσεις που πληρούν τα κριτήρια της θέσης αξιολογούνται με αντικειμενικότητα και απόλυτη εχεμύθεια.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Coming to this page

A resume for this role — and a ticket to the draw

We take the posting apart down to the real requirements and rewrite your resume against it — by asking, not inventing: no line appears without your confirmation. Sign in to get it first, and to enter the draw.

  • A resume for this exact role, not a universal one
  • Answers are kept: edit any one, not the whole conversation
  • All in your account — open it from any device

On the wheel

A discount on mentoring

Winners are drawn at random among entries with a confirmed email. The date and the full rules are on the draw page.

Draw rules

Platform Engineer

LLM Optimization & Adaptation Senior Engineer for Newra, Part of Accenture

Accenture Greece

Athenssenior

Apply on the employer's site

Role description

ARE YOU READY to step into the
New Era (NewRA)
of
AI-driven banking
?

At
Accenture
Newra AI Hub
, we are not just building technology, we are redefining how banking operates. As part of our strategic collaboration with Piraeus, Newra is designed to responsibly embed AI at the core of its business, moving beyond experimentation to real-world impact at scale. Built to make a real difference, Newra reflects our belief that AI creates value only when it genuinely improves people’s lives.

You will work on advanced AI solutions that span the full spectrum of the bank -from core banking systems to customer experience- simplifying complexity, automating critical processes and delivering measurable results where they matter most.

Joining Newra means becoming part of a high-performing team of innovators at the beginning of a major reinvention. This is a space for people who approach AI with depth, discipline and purpose. You will collaborate across disciplines, develop future-proof skills, and help turn technology into real-world transformation.

What You 'll Build
You'll help shape how the bank evaluates, adapts, and optimizes LLM and SLM capabilities for enterprise use cases. You'll work on model selection, benchmarking, fine-tuning patterns, prompt and retrieval optimization, and cost-performance improvements across AI solutions, building the evaluation rigor and optimization patterns that improve reliability, safety, latency, and measurable business impact.

Responsibilities:

  • Model evaluation and benchmarking frameworks for LLM, SLM, and agentic AI use cases

  • Model selection recommendations based on accuracy, latency, cost, safety, explainability, and operational constraints

  • Fine-tuning, LoRA / PEFT, prompt optimization, and retrieval optimization experiments for priority business use cases

  • Distillation and model compression proof points where smaller or more efficient models can deliver sufficient performance

  • Evaluation datasets, test harnesses, golden-answer sets, and regression testing routines for AI applications

  • Observability dashboards and quality feedback loops covering model performance, hallucination risk, drift, cost, and user feedback

  • Target-state patterns for open-weight or self-hosted LLM adoption, including architecture, governance, and operational readiness consideration

What We Need

  • B.Sc. M.Sc. or equivalent experience in CS, Engineering, AI, Data Science, Machine Learning, or related field

  • Strong Python skills, hands-on experience in ML/LLM engineering & production-grade AI experimentation

  • Good understanding of LLMs, SLMs, open-weight models, model families, context windows, token economics, latency, accuracy, and cost trade-offs

  • Experience with model evaluation, benchmarking, test sets, quality metrics, regression testing, and human evaluation workflows

  • Hands-on exposure to fine-tuning, LoRA / PEFT, prompt optimization, retrieval optimization, or model adaptation techniques

  • Familiarity with RAG, GraphRAG, embeddings, vector search, retrieval quality improvement

  • Experience with MLflow, W&B, LangSmith, Langfuse, or similar experiment tracking and observability tools

  • Comfortable working with engineering teams to translate model insights into production-ready AI patterns

Nice to have:

  • Experience with Hugging Face, PyTorch, transformers, quantization, model compression, or distillation

  • Awareness of self-hosted / open-weight LLM architecture, deployment, monitoring, and governance considerations

  • Experience with Azure AI Foundry, Azure ML, Databricks, or enterprise AI platforms

  • Understanding of regulated environments, model risk, Responsible AI, data privacy, and banking compliance requirements

What's In It For You

  • Competitive salary and benefits, including but not limited to: life/health insurance, performance based bonuses, monthly vouchers, company car (depending on management level), flexible work arrangements, employee share purchase plan, parental leave and various corporate discounts

  • Continuous training & development through global platforms & local academy. At Accenture, we believe in bringing the best to our clients through continuous learning & improvement – from basic skills to industry-specific content – available to all our people

  • Career coaching and mentorship to help you manage your career and develop professionally

  • Ongoing strength and skill-based evaluation process

  • Various opportunities to develop your career across a spectrum of clients, industries and projects

  • Diverse and inclusive culture

  • Opportunities to get involved in corporate citizenship initiatives, from volunteering to doing charity work

  • Under our Brain Regain initiative, extra relocation benefits may apply

To learn more about Accenture, and how you will be challenged and inspired from Day 1, please visit our website accenture.com/gr-en/.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Platform Engineer

AI Foundation Model Specialist (Athens)

Accenture Greece

Athens

Apply on the employer's site

Role description

Are you ready to be a part of the digital reinvention of industry and revolutionize your career?
In today’s world, business leaders want to rapidly and confidently reinvent to increase resilience, mitigate risk, and grow with sustainable value.

That’s where Accenture Strategy & Consulting comes in. We bring together strategic visionaries, industry experts, practitioners from across every enterprise function, business intelligence professionals, change specialists, data and AI authorities, and many other specialized skills to co-create each client’s unique path to reinvention. You will be a trusted partner to business leaders, working with a diverse team of experts to deliver successful tech-enabled transformation and new kinds of value for your clients.

Strategy and Consulting is one of four services –the others are Accenture Song, Technology and Operations.

WORK YOU’LL DO
As part of Accenture
Data & AI
practice, specialized in AI (our general term for deep learning, NLP, computer vision, chatbots, VA and robotics), you will be responsible for building and deploying new AI solutions for Accenture’s clients to improve various business outcomes and drive innovation. The opportunities to make a difference within exciting client initiatives are unlimited in the ever-changing technology landscape. You will also be part of a growing network of technology experts who are highly collaborative taking on today’s biggest, most complex business challenges.

As an
AI Foundational Model Specialist
, you will:

  • Develop, test and deploy Generative & Agentic AI applications, including agent-based workflows.

  • Implement Retrieval-Augmented Generation (RAG) pipelines, agentic workflows, drive prompting strategies (e.g., few-shot, chain-of-thought), fine-tuning and interact with both open-source & general-purpose AI systems.

  • Collaborate with other AI engineers and software developers to deploy AI models into cloud environments (AWS, GCP, Azure).

  • Work with Data & AI Architects to create solid architecture of AI products.

  • Optimize AI application for performance and accuracy.

  • Coach and mentor Junior AI engineers to develop multiple components of the AI applications.

WHO WE´RE LOOKING FOR?

  • B. Sc. and MSc. or PhD in Computer Science, Engineering, or related fields

  • Minimum 2 years of hands-on programming experience in the field of AI, NLP, Machine Learning, Deep Learning, and related disciplines

  • Demonstrated proficiency in multiple programming languages such as Python, Java, or C++

  • Experience working with Generative AI, Transformers, Deep Learning, Large Language Models (LLMs) as GPT, Bard or LLaMA, Image generative AI systems as DALL-E, Stable Diffusion or MidJourney

  • Experience with core Deep Learning & Generative AI principles, including fine-tuning, prompt-engineering, interacting with both open-source & general-purpose AI systems. Familiarization with computing infrastructure (i.e. GPU systems for training optimization) will be considered a plus

  • Knowledge of architecting/operating solutions built on the core technologies underlying LLMs and Generative AI applications (open-source, Azure Open AI, Amazon BedRock…)

  • Experience working with RESTful API and general microservice-oriented architectures.

  • Demonstrated commitment to learn about AI and continuously stay up-to-date on technology trends, through your own initiatives, online courses, competitions, or side projects

Preferred Qualifications

  • Ability to think creatively to solve real world business problems

  • Ability to work in a global collaborative team environment

  • Familiarity with relational and NoSQL databases

  • Familiarity with cloud services related to AI/ML

  • Experience leading a team of Data/AI engineers in real-world environments and integrating AI/ML and other services into large-scale production applications

WHAT´S IN IT FOR YOU?

  • Competitive benefits, including a fair and balanced parental leave policy.

  • At Accenture, we believe in bringing the best to our clients through continuous learning & improvement – from basic skills to industry-specific content – available to all our people.

  • Career coaching and mentorship to help you manage your career and develop professionally.

  • Performance Achievement – our performance management process that focuses on your strengths, progress and career possibilities.

  • Fantastic opportunities to develop your career across a variety of clients.

  • Opportunities to get involved in corporate citizenship initiatives, from volunteering to doing charity work.

To learn more about Accenture, and how you will be challenged and inspired from Day 1, please visit our website accenture.com/gr-en/.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Platform Engineer

AI Solution Architect and Presales Lead

PwC Greece

Athens

Apply on the employer's site

Role description

We’re a team that transforms vision into tech-enabled reality. We look for those who see technology not just as tools or platforms, but as the invisible infrastructure behind strategy, performance, and growth. We transform bold ideas into scalable, secure, and human-centered solutions. Our AI Strategy practice is PwC Greece’s dedicated centre of excellence for AI advisory, with a dual mandate: serving as the cross-functional AI hub that helps every PwC department deliver AI-powered solutions to clients and operating as an independent service line providing end-to-end AI strategy, governance, and compliance services.

SHAPING TOMORROW
Make a real impact, today, and tomorrow, through work that matters. Here, you will tackle today’s toughest challenges with a future-focused mindset; so our clients turn to us first when it matters most.

Make a real impact
In this dynamic environment, we are looking for a Senior Manager to serve as the AI Solution Architect and Presales Lead within our AI Strategy practice. This is a high-impact, client-facing role at the intersection of AI expertise, solution design, and commercial development. You will be the primary point of contact for PwC Greece departments seeking to bring AI-powered solutions to their clients - translating ambiguous business needs into compelling, technically sound, and commercially viable AI propositions.

This role is the commercial engine of the AI Strategy practice, the person who turns opportunity into revenue by connecting AI capabilities to real client problems, fast.

  • Act as the cross-functional AI advisory hub: receive, qualify, and respond to AI-related client needs from all PwC Greece service lines (Tax, Assurance, Advisory, Deals, Consulting, Legal).
  • Co-design AI solutions at an architectural level- approach, technology stack, delivery model, and resource requirements for diverse client contexts.
  • Lead client-ready proposals, solution decks, and pricing models.
  • Present AI solutions to clients alongside originating department partners, demonstrating PwC’s full AI capability.
  • Build and manage the AI opportunity pipeline in collaboration with the Director, AI Strategy.
  • Develop solution templates, use case playbooks, and qualification frameworks that accelerate response time, informed by ongoing evaluation of AI vendor and cloud platforms (Azure AI, Google Cloud AI, AWS).
  • Coordinate with the AI Delivery team on smooth handover of implementation projects, and contribute to thought leadership that positions PwC Greece as a leading AI advisory firm.
  • Mentor managers and senior associates within the practice, supporting their commercial development.

What You Bring Matters

  • MBA or advanced degree in Computer Science, Engineering, Business, or Data Science.
  • 10-14 years of professional experience, with at least 5 in AI/digital/data strategy consulting, technology advisory, or AI solution architecture.
  • Proven presales, solution design, or “solutioning” experience in a consulting firm, technology company, or systems integrator.
  • Architectural-level command of AI/ML: GenAI/LLMs, predictive analytics, NLP, computer vision, intelligent automation, MLOps. You don’t need to code, but you need to know what’s feasible and how solutions are structured.
  • Existing network within the Greek or Southeast European enterprise market.
  • Familiarity with the EU AI Act and emerging AI regulations.
  • Track record of shaping and selling engagements in the €100K–€1M+ range.
  • Excellent executive presence- able to engage C-suite executives, department partners, and technical teams with equal effectiveness.
  • Working knowledge of major AI and cloud platforms and their respective capabilities.
  • Fluent in English; Greek strongly preferred.

BRING YOUR BEST, EVERYDAY
Your skills, integrity, and curiosity make the difference. At PwC Greece, we match that with an environment that brings out your best every day – supported by people who inspire, challenge, and grow with you.

About
What we offer goes beyond a competitive package. It’s about creating the conditions for you to learn, belong, and deliver impact. That means:

  • Your work life-balance supported by a hybrid working model
  • Your creativity sparked in collaborative office spaces
  • Your career growing through local and global opportunities
  • Your development advanced with continuous learning and professional certifications
  • Your well-being cared for with extra leave days and wellness initiatives
  • Your perspective valued in an inclusive team where your impact matters

Want to unlock new value by applying your unique perspective and talents? At PwC Greece, you lead by example. Our standards for quality and care are high – and together we surpass them. We redefine possibilities for our clients and communities.

Challenge accepted?
Our circle of connection matters - it’s at the heart of what we do. Click here (PwC life)

All applicants will be acknowledged and treated in the strictest confidentiality.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Platform Engineer

LLM Optimization & Adaptation Senior Engineer for Newra, Part of Accenture

Accenture Greece

Athenssenior

Apply on the employer's site

Role description

ARE YOU READY to step into the
New Era (NewRA)
of
AI-driven banking
?

At
Accenture
Newra AI Hub
, we are not just building technology, we are redefining how banking operates. As part of our strategic collaboration with Piraeus, Newra is designed to responsibly embed AI at the core of its business, moving beyond experimentation to real-world impact at scale. Built to make a real difference, Newra reflects our belief that AI creates value only when it genuinely improves people’s lives.

You will work on advanced AI solutions that span the full spectrum of the bank -from core banking systems to customer experience- simplifying complexity, automating critical processes and delivering measurable results where they matter most.

Joining Newra means becoming part of a high-performing team of innovators at the beginning of a major reinvention. This is a space for people who approach AI with depth, discipline and purpose. You will collaborate across disciplines, develop future-proof skills, and help turn technology into real-world transformation.

What You 'll Build
You'll help shape how the bank evaluates, adapts, and optimizes LLM and SLM capabilities for enterprise use cases. You'll work on model selection, benchmarking, fine-tuning patterns, prompt and retrieval optimization, and cost-performance improvements across AI solutions, building the evaluation rigor and optimization patterns that improve reliability, safety, latency, and measurable business impact.

Responsibilities:

  • Model evaluation and benchmarking frameworks for LLM, SLM, and agentic AI use cases

  • Model selection recommendations based on accuracy, latency, cost, safety, explainability, and operational constraints

  • Fine-tuning, LoRA / PEFT, prompt optimization, and retrieval optimization experiments for priority business use cases

  • Distillation and model compression proof points where smaller or more efficient models can deliver sufficient performance

  • Evaluation datasets, test harnesses, golden-answer sets, and regression testing routines for AI applications

  • Observability dashboards and quality feedback loops covering model performance, hallucination risk, drift, cost, and user feedback

  • Target-state patterns for open-weight or self-hosted LLM adoption, including architecture, governance, and operational readiness consideration

What We Need

  • B.Sc. M.Sc. or equivalent experience in CS, Engineering, AI, Data Science, Machine Learning, or related field

  • Strong Python skills, hands-on experience in ML/LLM engineering & production-grade AI experimentation

  • Good understanding of LLMs, SLMs, open-weight models, model families, context windows, token economics, latency, accuracy, and cost trade-offs

  • Experience with model evaluation, benchmarking, test sets, quality metrics, regression testing, and human evaluation workflows

  • Hands-on exposure to fine-tuning, LoRA / PEFT, prompt optimization, retrieval optimization, or model adaptation techniques

  • Familiarity with RAG, GraphRAG, embeddings, vector search, retrieval quality improvement

  • Experience with MLflow, W&B, LangSmith, Langfuse, or similar experiment tracking and observability tools

  • Comfortable working with engineering teams to translate model insights into production-ready AI patterns

Nice to have:

  • Experience with Hugging Face, PyTorch, transformers, quantization, model compression, or distillation

  • Awareness of self-hosted / open-weight LLM architecture, deployment, monitoring, and governance considerations

  • Experience with Azure AI Foundry, Azure ML, Databricks, or enterprise AI platforms

  • Understanding of regulated environments, model risk, Responsible AI, data privacy, and banking compliance requirements

What's In It For You

  • Competitive salary and benefits, including but not limited to: life/health insurance, performance based bonuses, monthly vouchers, company car (depending on management level), flexible work arrangements, employee share purchase plan, parental leave and various corporate discounts

  • Continuous training & development through global platforms & local academy. At Accenture, we believe in bringing the best to our clients through continuous learning & improvement – from basic skills to industry-specific content – available to all our people

  • Career coaching and mentorship to help you manage your career and develop professionally

  • Ongoing strength and skill-based evaluation process

  • Various opportunities to develop your career across a spectrum of clients, industries and projects

  • Diverse and inclusive culture

  • Opportunities to get involved in corporate citizenship initiatives, from volunteering to doing charity work

  • Under our Brain Regain initiative, extra relocation benefits may apply

To learn more about Accenture, and how you will be challenged and inspired from Day 1, please visit our website accenture.com/gr-en/.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

90 more openings in this category and country

Career Opportunities: General IT Applications Development / Associate - Senior Professional (3127)National Bank of Greece · Greece

Apply on the employer's site
Career Opportunities: General IT Applications Development / Associate - Senior Professional (3127) — National Bank of Greece | mentors.coach