Staff Backend Developer

Founded in 1999 in Vienna, the Qualysoft Group is a manufacturer-independent IT consulting and services company, which successfully provides support for its international customers with the aim of boosting their competitiveness and economic efficiency through innovative IT solutions.

Its focus is on financial services providers, telecommunications companies, the automotive industry and energy service providers. Over 400 employees in 6 subsidiaries work together to ensure state of the art solutions for our clients.

We are looking for new colleagues in Qualysoft teams for diverse projects providing continuous learning opportunities. Our common goal is to provide honesty, development and a stable background while getting to know the latest technologies. We are waiting for your application for the position below!

AI Talent Pool
We are continuously building our network of AI professionals for future opportunities.

We are looking to connect with professionals across different areas of
Artificial Intelligence and Machine Learning
, including both
consulting and expert roles as well as technical positions
.

We Welcome Profiles With Experience In Areas Such As

• AI Consultant / AI Expert
• AI Engineer/ Generative AI Engineer
• Machine Learning Engineer
• MLOps / LLMOps Engineer
• AI Solutions Architect
• AI Developer
• AI Product Manager
• AI Governance / AI Compliance Specialist
• AI Research Engineer
• Agentic AI Engineer

Please note
that joining the AI Talent Pool does not mean applying for a specific open position. Your profile will be added to our database, and whenever a relevant AI opportunity becomes available, we will review our Talent Pool and
contact suitable candidates first
to discuss the opportunity and potential fit.

We look forward to connecting with you and learning more about your skills and experience. Join the
Qualysoft AI Talent Pool
and be among the first to hear about relevant opportunities and projects that match your expertise.

Why We Think You Will Love Working Here
With us you count as a person, our doors are always open.

We live the Qualysoft Team Spirit and stand for transparency!

Fresh wind and new ideas are welcome, because standstill is a foreign word at Qualysoft.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Join Us in Making Cities Greener and More Sustainable

Are you passionate about using technology to combat climate change and enhance urban living? At
greehill
, we’re looking for a
Lead ML Engineer
to help us shape the future of sustainable cities. Join our mission to make urban environments around the world greener, healthier, and more resilient.

Who We Are

greehill is a global leader in nature-based smart-city solutions, driven by a passion for sustainability and innovation. We harness advanced technologies like remote sensing and machine learning to transform urban green spaces. Our cloud-based platform empowers cities to improve citizen well-being while reducing operational costs, using data from LiDAR scanners and camera systems to create digital twins of urban trees. With offices in Budapest, Hannover, Singapore, San Francisco, and Paris, we’re driving sustainability on an international scale.

Your Role

As a
Lead ML Engineer
, you’ll act as a technical leader, combining deep technical execution with mentorship, architectural ownership, and strategic input. You’ll be responsible for scaling our ML systems, shaping the technical roadmap, and guiding a high-performing ML team in building production-grade solutions for real-world urban challenges.

Key responsibilities:

• Architect and lead the development of large-scale ML systems and model pipelines
• Introduce new ML systems, such as traffic sign detection, building facade detection, and other computer vision-based solutions
• Define and drive the ML technical roadmap in alignment with company objectives
• Act as a technical mentor and leader for other ML engineers
• Facilitate cross-team collaboration with product, engineering, and domain experts
• Ensure engineering excellence through robust review processes, documentation, and technical standards
• Own and refine deployment processes for real-time and batch ML services
• Evaluate emerging tools, techniques, and architectures, and apply them strategically
• Support technical decision-making across ML architecture, data pipelines, model development, and deployment

We’re seeking candidates with:

• 5+ years of experience in
  ML/AI
  , with a strong focus on production-grade computer vision and deep learning models
• Expert-level
  Python
  and PyTorch skills
• Deep knowledge of scalable ML systems, data lifecycle management, and MLOps practices
• Proven technical leadership experience, including mentoring engineers, leading projects, or guiding ML teams
• Strong architectural thinking and the ability to make pragmatic technical decisions
• Strategic thinking and excellent communication skills
• A passion for sustainability and real-world applications of ML
• Experience with complex algorithms and large-scale data processing

We value if you have experience in:

• Managing, mentoring, or helping build small ML teams
• Remote sensing, GIS, LiDAR, or point cloud data
• Workflow orchestration tools such as Airflow
• DevOps practices and tools, including Docker and Kubernetes
• Cloud ML environments, especially Azure
• Technical hiring, interviewing, and team scaling

Why Join Us?

At greehill, we’re assembling a team of curious, purpose-driven, out-of-the-box thinkers eager to tackle a high-impact mission. You’ll help shape the future of cities worldwide, making them more sustainable and resilient, with the chance to see the tangible impact of your contributions in urban environments.

• Make a
  direct impact on climate adaptation
  and the future of cities through technology that actually gets used
• Work on
  meaningful, real-world problems
  at the intersection of
  AI, sustainability, and urban tech
• Join a
  fast-growing, international team
  with real freedom to shape both the product and your role
• Learn, experiment, and grow with
  talented, curious (green-)tech experts
  who genuinely care about what they build
• Develop yourself continuously with
  access to LinkedIn Learning
  and hands-on learning every day

How we work
– We believe the best ideas happen when people spend time together. That’s why we work
4 days a week from the office
, with
1 day from home
, creating space for collaboration while still keeping some freedom.

The position is
based in Budapest /Hungary/
so relocation might be needed from your side.

If you’re ready to contribute to a mission that counts and collaborate with driven professionals, join us at greehill.

We appreciate the interest of all job seekers in our organization. However, please note that at this time, we are unable to consider applications from outside of Hungary, who require a work permit for this position. We thank you for your understanding and encourage you to explore other opportunities with greehill in the future.

A Siemens Mobility Kft. K+F központjában, a XI. kerületi Infoparkban olyan projekteken dolgozunk, melyek biztosítják a zavartalan, fenntartható, megbízható és biztonságos közlekedést.
Tudj meg többet a cégünkről: www.siemens.hu/mobility

A projektről:
A Smart Text Hub (STH) projekt célja, hogy a Siemens Mobility különböző mérnöki, dokumentációs és operatív területeiről érkező felhasználói igényeket termékszintű, skálázható, AI‑alapú szolgáltatásokká alakítsa.

A csapat olyan AI‑vezérelt szoftverrendszereket fejleszt, amelyek megbízhatóan működnek és hosszú távú értéket teremtenek. A projekt középpontjában a modern LLM‑alapú technológiák, a fejlett retrieval‑architektúrák, a szemantikus dokumentumfeldolgozás és az AI‑alapú backend szolgáltatások állnak.

A csapat tagjaként az alábbi feladatok várnak rád:

• Felhasználói igények megértése és átalakítása termékszintű AI‑megoldásokká.
• Szoros együttműködés különböző belső üzleti és technológiai területekkel.
• AI‑alapú műszaki koncepciók és megoldások elkészítése, amelyek mérhető üzleti értéket teremtenek.
• Prompt engineering feladatok és kiértékelési módszerek tervezése, automatizálása és működtetése (benchmarking).
• Adatminőség és adatkezelés felügyelete a modellek megfelelő kontextussal történő ellátása érdekében.
• Termékszintű, éles környezetbe szánt AI szolgáltatások és komponensek fejlesztése (LLM‑integráció, szemantikus indexelés, RAG, hibrid keresés, vektor adatbázisok)
• Skálázható backend API‑k, ágens‑alapú AI folyamatok és robusztus adatfolyamok fejlesztése.
• End‑to‑end funkciók megvalósítása: tervezés, implementálás, tesztelés, dokumentáció, bevezetés, monitorozás.
• CI/CD gyakorlatok, kódminőség és code review folyamatok aktív alkalmazása.
• Konténerizáció használata (Docker) fejlesztéshez és üzemeltetéshez.
• Gyakornokok mentorálása és szakmai támogatása AI területen.
• Iteratív fejlesztési módszertanok (CRISP‑DM, SDLC) alkalmazása.

Te vagy az ideális jelölt, ha:

• Rendelkezel legalább 5 év szoftverfejlesztési tapasztalattal AI‑fókusszal (NLP, LLM, RAG).
• Magabiztosan programozol Pythonban (clean code, típusos Python 3.11+, async/await, Pydantic).
• Van gyakorlatod retrieval‑architektúrákban (RAG, hibrid keresés, vektor adatbázisok).
• Jártas vagy a tesztelésben és kódminőség‑biztosításban (pytest, mocking, quality gate).
• Tapasztalt vagy konténerizált környezetekben (Docker).
• Dolgoztál már éles termékkörnyezetbe kerülő szoftvereken, termékszemlélettel.
• Ismered az iteratív fejlesztési kereteket (CRISP‑DM, SDLC).
• Képes vagy automatizált kiértékelési pipeline‑ok, benchmark rendszerek tervezésére.
• Aktív B2+ angol nyelvtudással rendelkezel.
• Gyorsan tanulsz, jól alkalmazkodsz és erős analitikus gondolkodással rendelkezel.
• Proaktívan, felelősségteljesen és hatékonyan dolgozol, önállóan és csapatban is.

A pályázásod során előnyt jelenthet, amennyiben:

• AWS vagy Azure OpenAI tapasztalat.
• MCP (Model Context Protocol) és modern API szabványok ismerete.

Mi az, amit mi biztosítunk?

• Családbarát munkahelyet, kötetlen munkaidővel, rugalmas hozzáállással.
• Stresszmentes környezetet, ahol nagy hangsúlyt kap a work-life balance.
• Fejlődési lehetőségeket, egyéni tréning kerettel, kidolgozott karrierúttal.
• Fontos számunkra az egészséged, többek közt élet- és egészségbiztosítással óvunk.
• Ergonomikus munkakörnyezetet biztosítunk számodra, ezzel is kényelmessé téve az irodai munkavégzést.
• A felsoroltak mellett egy több mint 20 elemből álló béren kívüli juttatási csomaggal várunk.

The
Center of Digitalization (HR)
at DHL is responsible for digitizing, automating, and continuously improving
HR processes and HR Shared Service Center operations
across the organization.

This role is designed for
experienced professionals
with
2–5 years
of relevant Microsoft Power automation experience, ranging from strong mid-level contributors to senior specialists.

Key Responsibilities

• Design and develop applications & automation solutions using mainly the
  Microsoft Power Platform
  for
  HR and HR Shared Service Center processes
• Analyze HR business processes and translate them into
  functional and technical workflow designs
• Implement workflow solutions using State of the Art Cloud BPMN Platforms like
  Pega
• Collaborate closely with HR process owners, HR Shared Service Center teams, IT and integration teams
• Support testing, deployment, and stabilization of HR workflow solutions
• Monitor and troubleshoot automation solutions to ensure optimal performance and address any issues promptly
• Ensure compliance with
  data protection, security, audit, and HR governance standards
• Contribute to
  automation standards, templates, and best practices
  within HR digitalization
• Stay updated with the latest trends and advancements in automation technologies and recommend improvements

Qualifications & Key Requirements

• 2–5 years of experience
  in
  Microsoft Power
  automation (mainly
  Power Apps
  &
  Power Automate
  ), BPMN or process digitalization
• Strong expertise in
  User Interface & User Experience
  design principles, with the ability to create intuitive, user-centered digital experiences
• Solid understanding of
  business process management principles
  (e.g. BPMN, orchestration, case management)
• Ability to translate
  HR business requirements into technical workflow solutions
• Ability to work independently and collaboratively in a fast-paced environment along with different countries and cultures.
• Experience or strong interest in
  HR processes or HR Shared Service Center operations
  (e.g. employee lifecycle, onboarding/offboarding, master data, approvals, requests)
• Experience working in enterprise or shared service environments
• Strong structured, analytical, and quality-focused working style
• Fluent English is mandatory
  with German being a plus

What do we offer?

• Competitive compensation package (including cafeteria).
• Private health insurance.
• Modern tools and technologies.
• A key role in DHL’s HR-focused Center of Digitalization
• Ownership of end-to-end HR automation solutions
• Direct collaboration with HR and Shared Service leaders
• Clear growth path toward senior or expert automation roles

Location:
Budapest, IX. district (hybrid)