Senior Python Developer (API)

What's the role?
We are looking for a Lead Agentic AI Engineer to build and integrate next-generation AI-driven capabilities that let agents take real-world action through location intelligence. You will work hands-on across modern agentic patterns, implementing how agents interact with our tools, integrating data sources, and enabling reliable execution through structured interfaces.

This role is highly execution-focused and experimental, requiring rapid iteration, strong engineering fundamentals, and comfort across multiple technologies.

Main Responsibilities

• System development and integration: Design and implement the logic that enables AI-driven workflows. Integrate multiple data providers and services into unified execution flows, bridging backend systems, models, and user-facing interaction layers
• Agentic patterns and tooling: Implement and experiment with interaction patterns that let agents act through structured tool interfaces and APIs. Build reusable components for tool handling and execution
• Rapid experimentation: Prototype, test, and iterate quickly on new approaches. Evaluate trade-offs between performance, cost, and reliability
• Interaction and sessions: Support reference clients and interaction flows, and implement session handling and context management where needed

Who are you?

• Strong hands-on experience in Rust, TypeScript, and Python (multiple preferred)
• Experience with APIs, distributed systems, and service integration
• Comfortable experimenting with modern AI frameworks and tools, and building systems where LLMs act through structured tool interfaces
• Hands-on mindset with the ability to move quickly from idea to working implementation
• Solid understanding of system design and data flow
• Degree in Computer Science, Machine Learning, Data Science, or a related field, or equivalent experience

What we offer?

• The opportunity to tackle meaningful and challenging problems
• A chance to continuously learn and stay on top of the latest technology trends
• Work that has real-world impact, shaping the future of mobility and technology
• Regular feedback to help you grow and succeed in your role
• A collaborative and supportive team environment where your contributions are valued
• Competitive salary plus bonus
• Flexible working hours and a hybrid working environment
• Medical coverage for you and your family
• This role is eligible for Creative Tax Incentive scheme in Poland” or KUP (Autorskie Koszty Uzyskania Przychodu)
• Option to work on a B2B contract (please note: benefits, bonus and KUP do not apply in this case)

Change is HERE. Apply Now!
Life at HERE in Poland comes with a competitive total rewards package designed to support your health, wellbeing, and performance. This includes a base salary, a Short-Term Incentive (STI) bonus (percentage based on role), a creative tax advantage for eligible positions, private medical care (including dental), life insurance, a meal allowance, vision reimbursement, a remote work allowance (if applicable), access to MyBenefit and Multisport programs, and various wellbeing initiatives. Paid time off, sick leave, and parental leave are provided in accordance with the Polish Labor Code.

As part of HERE Technologies employment process, candidates will be required to successfully complete a pre-employment screening process. This offer and any related claims are subject to the successful completion of a pre-employment screening. This will involve employment, education, and criminal verification if applicable.

HERE is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, age, gender identity, sexual orientation, marital status, parental status, religion, sex, national origin, disability, veteran status, and other legally protected characteristics.

Who are we?
HERE Technologies is a location data and technology platform company. We empower our customers to achieve better outcomes – from helping a city manage its infrastructure or a business optimize its assets to guiding drivers to their destination safely.

At HERE we take it upon ourselves to be the change we wish to see. We create solutions that fuel innovation, provide opportunity and foster inclusion to improve people’s lives. If you are inspired by an open world and driven to create positive change, join us. Learn more about us on our YouTube Channel.

Description & Requirements
Who we are looking for
At Deloitte, we have passion for innovation. For our fast-growing Engineering practice in Deloitte EMEA, we are looking for a detail-oriented
Integration Architect
focusing on solutioning, designing and implementing APIs and Agent integrations.

Respecting each other's time, we look for seasoned individuals with a bit (5y+) of experience solving complex problems using various integration styles and patterns.

We value integrity and transparency, and we don’t use Copilot for screening CVs – so don’t bother polishing it.

If you believe you have the right mix of:

• passion for solving problems and creating added value
• ownership to get things done
• critical thinking to do things once (or twice at most 😊)
• business acumen to interact not only with IT teams but also to read (or invent) business requirement
• experience in various integration solutions such as iPaaS, microservices, APIs. Events streams, etc etc.
• have valid work permit

and you are:

• team player able to work without the team
• able to work in various methodologies (Waterfall, Agile, SAFe)
• effective in leveraging AI in daily duties.

Apply! Share problems you solved, integrations you built, innovations you created, and experience you gained.

Note: if your passion is networking and devops – this vacancy is not for you. We work in OSI Layer 7.

Your future role

• Acting as architect for large scale, transformation programs
• Driving AI adoption within integration team
• Participating in solution architecture review sessions
• Creating integration related accelerators
• Supporting the professional growth of team members
• Innovate and create value (both within Deloitte and for our Clients) by Integrating anything with everything.

What we offer

• Permanent employment or contract,
• Medical and health insurance,
• Multisport and other lifestyle benefits,
• Friendly coworkers & team spirit,
• Multiple geographies and clients,
• Work for well-known brands,
• Exposure to trailblazing business and technology projects,
• A place in the first line of a digital transformation,
• Everyday opportunities to influence how and where we do our business,
• A development path to fit your needs

Selection process
Recruitment journey

Stage 1 - Send your CV in word or pdf format in English.

Stage 2 (optional) - Join a quick HR interview (online, 45 minutes).

Stage 3 - Attend a Hiring Manager technical interview (online, 60 minutes).

Stage 4 - Attend a second confirming (business & technical) interview (online, 60 minutes).

About Deloitte
Deloitte is about the diversity of people, experiences, industries, and the services through which we deliver impact, across 150 countries worldwide. It offers intellectual challenges, a strong start to your career, continuous opportunities for growth and invaluable life experiences.

All it takes is your first step: placing the final period at the end of your CV and later, at the end of the contract you sign.

Deloitte is simply the right choice. Period.

About the team
Our Cloud Engineering teams design and deliver cutting-edge cloud projects for clients in Poland and abroad in areas of cloud development, DevOps, integration, migration, data management, infrastructure and others. We help our clients to strategize, design and implement and migrate solutions with use of modern cloud technologies.ing development Basic understanding of one of Cloud Services Provider (e.g. AWS, Azure, GCP) Knowledge of serverless framework Excellent verbal and written English communication skills

Engineering | Deloitte Global

WHO ARE WE?

WE ARE A WORLD LEADER IN ENGINEERING AND IT SERVICES.

At ALTEN,
we see our specialists as architects – today’s designers of tomorrow’s world.

As a leader in Engineering and IT Services, we support companies in their technological and sustainable transformation.

OVER 57,400 EMPLOYEES IN 30+ COUNTRIES, TO SUPPORT MORE THAN 6,500 CLIENTS WORLDWIDE.

We operate in all sectors:

Aeronautics, Space, Defence, Security & Naval

Automotive, Rail & Mobility

Energy & Environment

Life Sciences & Health

Industrial Equipment & Electronics

Telecoms, Banking, Finance & Insurance

Retail, Services & Medias

Public Services & Government

We carry out complex and highly technical projects throughout the value chain of the most prestigious companies worldwide.

Our motto:
Building Tomorrow’s World Today!

WE ARE LOOKING FOR:
Python Developer

We seek a
mid-level Python Developer
with strong expertise in modern application and tool development using Python. The ideal candidate is passionate about programming, constantly seeks new ways to grow, and thrives in a dynamic environment. If you enjoy creating scalable and functional IT solutions, this opportunity is for you.

The ideal candidate brings a
technical background
in:

• Python development
• Frontend technologies (React/Angular)
• Backend frameworks (Django, Django REST)
• Database management (SQL, PostgreSQL)

You will play a key role in:

Developing modern applications and tools using Python

Designing scalable and functional IT solutions

Collaborating with a dynamic team to deliver high-quality code

Ensuring application security and implementing best practices

The ideal candidate will have:

• 3-5 years of experience as a
  Python Developer
• Practical knowledge of
  React/Angular
  (minimum 2 years)
• Proficiency in
  Django
  and
  Django REST
  frameworks
• Strong understanding of
  SQL
  and
  PostgreSQL
  databases
• Knowledge of
  HTML, CSS, and JavaScript
• Excellent grasp of
  OOP
  and design patterns
• Awareness of
  web application security
  principles
• Teamwork and communication skills
• Attention to detail and code quality
• Higher education in
  Computer Science
  or related field
• Fluent in
  Polish

Nice to have:

• Knowledge of other programming languages such as
  Go
  or
  Rust
• Experience with automation tools like
  Ansible
  or
  Terraform
• Familiarity with
  Kubernetes
• Experience with
  Google Cloud

WE OFFER:

• Full-time employment contract
• Location:
  Hybrid (6 days/month in the office) – Warsaw, Kraków, Katowice
• Work model:
  Hybrid
• Stable and long-term cooperation
• Well-defined career path at the European leader in engineering & IT consulting
• Opportunity to relocate and work in different ALTEN Polska branches
• After project completion, opportunity to engage in a subsequent one within the company
• Introduction and cooperation with a dedicated Competences Manager

BENEFITS:

• Medicover medical care
• Medicover dental care
• Medicover Benefits platform
• Medicover Sport card
• Referral Program
• Layette for a newborn employee’s child
• Group life insurance
• Pension scheme

We also offer cooperation based on a
B2B
or
Contract of mandate (UZ)
.

WE ALSO GUARANTEE:

• Access to professional certifications with our technology partners (e.g., Google, ISTQB)
• Access to relevant industry events
• Access to the Knowledge Sharing Program
• Access to the Referral Program

Do not hesitate and join our team!

NOTICE:
We kindly inform you that we will contact the selected candidates.

We are seeking a Lead AI Software Engineer to own the technical direction and architecture of a next-generation, enterprise-grade agentic AI platform for a leading global fintech company. Delivered as a single-tenant deployment into each customer’s cloud environment, every architectural decision behind the platform must scale seamlessly across AWS, Azure, and GCP—operating securely behind enterprise identity providers and on sensitive financial data. In this pivotal technical leadership role, you will guide the engineering team, set the overall platform architecture, lead complex distributed systems engineering hands-on, and partner closely with Forward Deployment teams to ensure flawless installation, execution, and isolation across diverse customer clouds.

Responsibilities

• Engineering Leadership: Lead and mentor a team of senior engineers, establishing technical standards, conducting thorough code reviews, and fostering a culture of engineering excellence across the squad.
• Platform Architecture: Own the end-to-end architecture of the enterprise AI platform—agent orchestration (LangGraph), tool execution, memory, retrieval (RAG), observability, identity, and authorization. Author Architecture Decision Records (ADRs) and make key decisions regarding data models, async patterns, caching, and deployment topologies.
• Multi-Tenant & Cloud Foundations: Design robust data isolation, identity, and access management for single-tenant customer-cloud installs, ensuring seamless scaling to managed multi-tenant offerings. Architect integrations with multi-tenant SSO brokers (WorkOS) and policy decision engines (Cerbos).
• LLM & Agent Safety: Architect enterprise guardrails, prompt-injection defenses, PII redaction, and output validation pipelines. Drive cost discipline, model routing, token budgeting, and caching strategies while making agent decisions fully auditable, traceable, and defensible to client CISOs.
• Hands-On Engineering & Delivery: Personally lead the most challenging technical work—distributed systems edge cases, performance investigations under load, online migrations, and security architecture. Write high-quality Python code and partner with Product leadership to translate roadmaps into coherent, on-time engineering commitments.
• Stakeholder & Client Alignment: Serve as the primary technical authority in customer discussions, CISO security reviews, and architecture deep-dives, partnering with Forward Deployment leads on deployment topologies.

Requirements

• Technical Leadership Scope: 8+ years of commercial software engineering experience, with a proven track record in a Tech Lead, Team Lead, or Principal Engineer capacity leading complex distributed systems or AI projects.
• Production LLM Systems: Proven experience shipping and operating LLM-based applications at scale—expert-level prompt engineering, advanced RAG, tool-using agent frameworks (LangGraph), prompt-injection defense, evaluation pipelines, and cost/latency management.
• Multi-Tenant Architecture: Deep expertise in shipping multi-tenant products, with a strong understanding of trade-offs across shared-everything, shared-database, and isolated single-tenant/silo deployments.
• Distributed Systems & Security: Strong foundation in distributed systems (idempotency, eventual consistency, queue-based async, distributed locking) and security architecture (end-to-end authn/authz, OWASP mitigation, RBAC/ABAC).
• Core Tech Stack: Advanced proficiency in Python (with working knowledge of TypeScript/Node.js) and strong PostgreSQL expertise under heavy load (pool tuning, indexing, online migrations, and pgvector/vector stores).
• Cloud-Native Architecture: Strong expertise in AWS, with a working knowledge of Azure or GCP, focusing on portable, multi-cloud deployment topologies.
• Exceptional team leadership, mentoring abilities, and written/verbal English communication skills to engage seamlessly with cross-functional partners and senior executive stakeholders.

We offer

• Opportunity to work on bleeding-edge projects
• Work with a highly motivated and dedicated team
• Competitive salary
• Flexible schedule
• Benefits package - medical insurance, sports
• Corporate social events
• Professional development opportunities
• Well-equipped office

About Us
Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.