Junior Backend Engineer

🏢 Summary: Early-stage startup seeks a Full Stack Engineer to build the MVP of an agentic AI platform for security compliance using React and FastAPI. You will lead application code development in a small team, contributing to both frontend and backend as well as the foundation of an agent orchestration mechanism. The role offers strong ownership and direct impact on the product architecture. 🗂️ Requirements: Strong experience with React, Strong experience with Python backend development, Ability to work across full stack, Availability for hybrid work in Gdańsk 📃 Skills: React, Python, FastAPI, Django, AWS, Docker, GitHub, CICD, LangChain, PydanticAI, APIs 🏢 Description: We're a funded, early-stage startup building an agentic AI platform for security compliance. The product is new, we're opening an R&D centre in Gdańsk and you'd be one of the first engineers on it, with real input into how it's built. We keep meetings and busywork to minimum to build a culture focused on the needs of developers. The role: You will be part of a 4 people development team focused on the development of the MVP for our main product. React on the frontend, FastAPI on the backend. You will lead the application code, working alongside experienced infrastructure engineer and junior AI engineers. You will also engage in building the foundation of a agent orchestration mechanism. Must Have: Strong experience with React Strong experience with Python backend development FastAPI or Django is a huge plus Comfortable owning features across the full stack Availability for hybrid work in Gdańsk Great to have: Experience with any agentic framework such as Pydantic AI or LangChain AWS Docker GitHub Actions / CI/CD What will happen next? We would like to know you better, so we will invite you for a short call Next, you'll be invited to an interview to discuss your previous projects, skills and where you want to develop Why join: It's a new product, so you're building rather than maintaining. You get real ownership and the chance to work on genuinely new AI, in a calm, focused environment. If you've got the must-haves and the problem interests you, get in touch — you don't need to tick every box.

🏢 Summary: Senior DevOps/Cloud Engineer role focused on designing and operating cloud infrastructure and data platforms for a Forbes 500 private equity client. The position involves owning AWS-based environments, Infrastructure-as-Code, Kubernetes workloads, identity and authentication systems, and production reliability. You will support data engineering teams by building secure, scalable, and observable multi-cloud infrastructure. 🗂️ Requirements: 10+ years in IT, 5+ years in DevOps/Cloud role, Deep AWS expertise (IAM, EC2, S3, EKS), Strong Terraform experience with end-to-end IaC ownership, Hands-on Kubernetes setup and operations, Docker proficiency, Strong Python skills, Strong Bash skills, Experience with IAM and identity providers, Knowledge of OAuth/OIDC and SSO, Experience with Entra ID and Active Directory, Observability and SRE practices experience, Experience with relational and NoSQL databases, C1+ English proficiency 📃 Skills: AWS, Azure, Terraform, Python, Bash, SQL, Docker, Kubernetes, Airflow, Snowflake, Redshift, Athena, GitLab, Artifactory, SQLAlchemy, IAM, OAuth, OIDC, SSO, Okta, ActiveDirectory, EC2, S3, EKS, Lambda, RDS, Route53, EntraID, CI/CD, Scrum 🏢 Description: We are an AI-native data and technology partner for private capital and healthcare. Founded in 2010 and headquartered in Warsaw, we work with leading PE firms, VC funds, and healthcare organizations to build proprietary data infrastructure, deploy AI solutions, and drive AI-native transformation. Our clients manage a cumulative $210B+ in assets. Our average engagement runs five years. Our NPS sits above 80. We don't need to claim credibility — we can show it. We've also done to ourselves what we now do for clients. We've restructured our own company around AI — tools, policies, roles, delivery models. This isn't a pitch. It's a playbook we've already run, and we're hiring the engineers who will run it for others. The Project: We are carrying out the project for our client, an American private equity and investment management fund - listed on the Forbes 500 list - based in New York. We support them in the area of data pipeline, infrastructure and data engineering team. They operate very widely in the world of finance, loans, investments and real estate. Tech stack AWS (EC2, ELB, IAM, Lambda, RDS, Route53, S3, Athena, Redshift, EKS), Azure (Entra ID / Copilot integration), Terraform, Python, Bash, SQL, Docker, Kubernetes, Apache Airflow, Snowflake, GitLab, Artifactory, SQLAlchemy. Best practices: CI/CD, Code Reviews, Scrum. Your responsibilities Designing, building and maintaining cloud infrastructure across AWS environments, with Azure involvement where needed for Copilot integration Writing and owning Infrastructure-as-Code (Terraform) — from greenfield builds to ongoing refactors Running containerized workloads (Docker, Kubernetes) across multi-region setups Owning observability: logging, metrics, dashboards, reliability targets, operational runbooks Engineering identity and auth solutions — IAM policies, Entra ID, OAuth/OIDC, SSO, Okta, token ownership, service vs. user auth, cross-platform access Debugging real production issues: API failures, auth loops, rate limits, model config problems, client SDK bugs, capacity constraints Building reusable tooling and infrastructure for data scientists and engineers Supporting the broader data engineering team with DevOps expertise Documenting what you build — clearly and thoroughly What we're looking for 10+ years in IT, including 5+ years in a DevOps/Cloud role Deep AWS expertise (IAM, EC2, S3, EKS and beyond); Azure awareness for Copilot-adjacent work Solid Terraform background — you've owned IaC end-to-end, not just contributed to it Kubernetes experience: setting it up from scratch, scaling, day-2 operations Docker proficiency Strong Python and Bash skills Identity and auth engineering: IAM, Entra ID, OAuth/OIDC, SSO, Okta, Active Directory Observability and SRE mindset — you write runbooks, you own reliability, you don't just monitor Experience with relational and NoSQL databases C1+ English — written and spoken Nice to have Experience with data pipeline tools (Airflow, Snowflake, Redshift, Athena) Familiarity with Artifactory or similar repository managers Experience in secure/corporate networking environments (proxies, firewalls) Python data stack: Pandas, NumPy, SQLAlchemy; basic ML libraries a plus Comfort working in both Windows and Unix environments Benefits Unrestricted AI Stack & Premium Gear: Fully paid licenses for Cursor, Claude Pro, etc. Work with a talented team redefining the global perception of Poland Flexible working hours and remote work options Comfortable office in central Warsaw with all essential tools Multisport card & private medical care A culture of feedback – evaluation meetings, mentoring, and career growth opportunities Frontier Engineering Culture: Build alongside elite engineers who are shipping systems that drive real investment decisions. Backed by continuous growth and a strong knowledge-sharing culture ( check our YouTube ). Sounds like a perfect place for you? Don’t hesitate to click apply and submit your application today!

🏢 Summary: Development and maintenance of dynamic web applications using Python and Django for a leading German telecommunications and IT distributor. The role focuses on building server-side rendered applications with modern frontend styling and seamless UX, while ensuring high quality through CI/CD and monitoring practices. You will collaborate closely with design and backend to deliver scalable, production-ready solutions. 🗂️ Requirements: Proficiency in Python, Strong knowledge of Django framework internals, Experience with HTMX, Proficiency in HTML, Proficiency in CSS, Experience with SSR, Good knowledge of Tailwind CSS, Experience with PostgreSQL or other relational databases, Experience with CI/CD pipelines, Experience with CircleCI, Knowledge of Sentry, Ability to develop and maintain dynamic web applications using Django 📃 Skills: Python, Django, HTMX, HTML, CSS, Tailwind, PostgreSQL, CircleCI, Sentry, SSR, CICD 🏢 Description: We are an AI-native data and technology partner for private capital and healthcare. Founded in 2010 and headquartered in Warsaw, we work with leading PE firms, VC funds, and healthcare organizations to build proprietary data infrastructure, deploy AI solutions, and drive AI-native transformation. Our clients manage a cumulative $210B+ in assets. Our average engagement runs five years. Our NPS sits above 80. We don't need to claim credibility — we can show it. We've also done to ourselves what we now do for clients. We've restructured our own company around AI — tools, policies, roles, delivery models. This isn't a pitch. It's a playbook we've already run, and we're hiring the engineers who will run it for others. The Project: Our client is one of the leading players in the German telecommunications and IT distribution market. With a broad portfolio of products and strong partnerships with major network operators, the company has built a reputation for reliability, innovation, and outstanding service. Recognized multiple times by industry leaders, they continue to grow by embracing new technologies and delivering top-tier solutions to a wide range of business partners. The ideal candidate will be well-organized, eager to learn and adapt, and driven to tackle complex challenges. Most importantly, you’ll thrive in a collaborative, team-oriented environment! Your Responsibilities: Co-develop and co-maintain web applications using Python and Django Crafting beautiful UI and styling the web application using Tailwind CSS Develop and maintain dynamic web applications using HTMX with the Django framework Implementing and integrating more compound web components Ensure consistent application of UX best practices to deliver intuitive and user-centered interfaces Close collaboration with the team (Designer and Backend Engineer) to make sure implementation meets requirements Implement CI/CD pipelines using CircleCI Monitor and debug issues using Sentry Attention to detail and sense of aesthetics, from clean code to beautiful UI Required Skills & Experience: Proficiency in HTML, and CSS and SSR Good knowledge of Tailwind CSS Good understanding of Django framework internals Proficiency in Python Experience with HTMX Experience with PostgreSQL or other relational databases Experience working with CI/CD pipelines (CircleCI) Knowledge of Sentry for monitoring and debugging Problem-solving mindset, ability to work both independently and within a team Excellent command in spoken and written English, at least C1 Nice to Have: Advanced knowledge of Docker and daily hands-on experience SQL proficiency for debugging and performance optimization Basic knowledge of Agile/Scrum methodology What We Offer: Work with a talented team redefining the global perception of Poland Flexible working hours and remote work options Comfortable office in central Warsaw with all essential tools (MacBook, external monitor, ergonomic chairs) Fully equipped kitchen with fresh fruit, hot & cold beverages Multisport card & private medical care A culture of feedback – evaluation meetings, mentoring, and career growth opportunities Support for continuous learning – we encourage and invest in the professional development of our engineers Sounds like a perfect place for you? Don’t hesitate to click apply and submit your application today!

🏢 Summary: Backend Software Engineer role focused on building and extending an enterprise AI assistant platform using FastAPI and LLM integrations. The position involves designing async APIs, orchestrating AI agent workflows, managing document processing pipelines, and optimizing databases and background jobs. The role also covers observability, testing, and enforcing security best practices in a production environment. 🗂️ Requirements: 3+ years of experience with Python in production backend systems, Strong experience with FastAPI (async/await, dependency injection, middleware), Experience with SQLAlchemy or SQLModel and PostgreSQL, Experience with Redis for caching and task queues, Experience integrating LLMs via API (e.g., OpenAI SDK), Experience with pytest for automated testing, Experience with Docker for development and deployment, Understanding of async Python (asyncio, concurrent session management), Experience working with Git and PR-based workflows 📃 Skills: Python, FastAPI, SQLAlchemy, SQLModel, PostgreSQL, Redis, OpenAI, pytest, Docker, asyncio, LangChain, LangGraph, RQ, pgvector, Qdrant, OpenTelemetry, Prometheus, Grafana, OWASP, Git 🏢 Description: For Digital Hub Warsaw, we are looking for: Software Engineer (Backend) You’ll build and extend the backend of myGenAssist, an enterprise AI assistant platform. The backend is a FastAPI application that orchestrates LLM interactions, manages agent workflows with LangChain/LangGraph, handles document processing pipelines, and exposes tools via MCP (Model Context Protocol). Key Tasks & Responsibilities: Design and implement async APIs using FastAPI, following our patterns for session management, API versioning, and domain-driven structure. Build and evolve AI agent workflows using LangChain and LangGraph — tool integration, state persistence, multi-step reasoning. Design and optimize database schemas with SQLModel/SQLAlchemy and PostgreSQL, including migrations and vector search (pgvector, Qdrant). Build background job pipelines with RQ (Redis Queue) for document processing, knowledge base indexing, and long-running tasks. Implement observability using OpenTelemetry, Langfuse, Prometheus, and Grafana. Write tests using pytest with parallel execution, covering unit, integration, and RAG evaluation. Enforce code quality through reviews and adherence to security best practices (OWASP). Qualifications & Competencies (education, skills, experience): 3+ years with Python in production backend systems Strong FastAPI experience (async/await, dependency injection, middleware) SQLAlchemy or SQLModel with PostgreSQL Redis for caching and task queues Experience integrating LLMs via API (OpenAI SDK or similar) Testing with pytest Docker for development and deployment Understanding of async Python (asyncio, concurrent session management) Git and PR-based workflow Nice to Have LangChain / LangGraph for agent orchestration Vector databases (Qdrant, pgvector) and RAG patterns MCP (Model Context Protocol) Document processing pipelines (Docling, Unstructured) OpenTelemetry and distributed tracing Kubernetes basics (we run on EKS) AWS services (S3, Secrets Manager) OAuth2/JWT authentication Agile/Scrum experience What do We offer: A flexible, remote-hybrid work model Great workplace in a new modern office in Warsaw Career development, 360° Feedback & Mentoring programme Wide access to professional development tools, trainings, & conferences Company Bonus & Reward Structure VIP Medical Care Package (including Dental & Mental health) Holiday allowance (“Wczasy pod gruszą”) Life & Travel Insurance Pension plan Co-financed sport card - FitProfit Meals Subsidy in Office Budget for Home Office Setup & Maintenance Access to Company Game Room equipped with table tennis, soccer table, Sony PlayStation 5 and Xbox Series X consoles setup with premium game passes, and massage chairs Tailored-made support in relocation to Warsaw when needed Please send your CV in English WORK LOCATION: WARSAW AL. JEROZOLIMSKIE 158

🏢 Summary: Senior Fullstack Engineer role focused on building and maintaining production-grade, API-driven systems with AI-first development as a mandatory part of the workflow. The position involves designing scalable architectures, developing robust backend and frontend solutions, and critically evaluating AI-generated code. This is a hybrid, senior-level role requiring strong system design expertise and daily use of AI tools. 🗂️ Requirements: Senior-level experience in software engineering, Strong knowledge of JavaScript and TypeScript, Strong experience with Node.js and modern runtimes, Hands-on experience with React, Hands-on experience with Vue, Practical experience designing and integrating APIs, Strong understanding of software architecture and system design, Daily use of AI-assisted development tools, Ability to review and validate AI-generated code, On-site availability in Warsaw, Fluency in English 📃 Skills: JavaScript, TypeScript, Node.js, Bun, React, Vue, APIs, REST, Cursor, Copilot, ChatGPT 🏢 Description: Senior Fullstack Engineer (AI-First, Hybrid) Location: Warsaw, Poland 📍About the role: We are looking for a highly experienced Fullstack Engineer who builds real production systems and actively works with AI as a core part of their daily development workflow . This is not a remote role and not a junior or mid-level position. You will work on complex, API-driven systems where architecture, correctness, scalability, and long-term maintainability matter. Using AI for coding, design, refactoring, and problem-solving ( vibe coding ) is a hard requirement , not a nice-to-have. 📝What you will do: Design, develop, and evolve backend and frontend systems used in production Build, extend, and maintain robust APIs (both consuming external APIs and developing internal/public ones) Work daily with AI-assisted development tools as an integral part of your workflow Make architectural decisions with a focus on scalability, performance, and reliability Write clean, maintainable, well-structured code with long-term ownership in mind Collaborate closely with other engineers and product stakeholders in an on-site team Review, validate, and improve AI-generated code to ensure correctness, security, and performance 📝Must-have requirements: Strong, proven experience in software engineering (senior-level or higher) Excellent knowledge of: ○ JavaScript and TypeScript ○ Node.js and modern runtimes such as Bun Solid hands-on experience with both React and Vue Deep, practical experience working with APIs: ○ designing APIs ○ extending existing APIs ○ integrating third-party APIs Strong understanding of software architecture and system design High standards for code quality, readability, and maintainability Excellent command of AI-assisted development: ○ daily use of tools such as Cursor, Copilot, ChatGPT, or similar ○ ability to critically assess AI output instead of blindly accepting it ○ using AI for refactoring, debugging, testing, documentation, and exploration Comfortable working in an English-speaking environment 💎Nice to have Experience with DevOps , infrastructure, or production operations Experience working on high-traffic or business-critical systems Background in designing systems that evolve over time rather than one-off projects 📝Important notes AI-first development is a condition of employment We are looking for engineers who think in systems , not just frameworks We offer work on a modern application, A close-knit, experienced, and supportive team, private medical care and sports card If you prefer remote-only work or do not actively use AI in your daily coding, this role is not a good fit.

🏢 Summary: Senior or Staff Backend Engineer role focused on architecting and scaling AI-native backend systems for a modern accounting platform. The position involves designing distributed services, building high-performance APIs, and establishing engineering standards to support rapid, reliable product delivery. You will work closely with Product, AI, and Operations teams to develop agentic systems and scalable data pipelines. 🗂️ Requirements: 5–10+ years of backend engineering experience, Proven experience designing, building, and operating production backend systems at scale, Strong expertise in API design, Strong expertise in data modelling, Deep understanding of distributed systems trade-offs, Hands-on experience with AWS or GCP in production, Practical experience with CI/CD in high-frequency deployment environments, Experience implementing testing and deployment strategies, Strong knowledge of observability practices, Experience participating in on-call rotations 📃 Skills: TypeScript, Node.js, React, AWS, GCP, Terraform, PostgreSQL, OpenAI, Azure, CI/CD, APIs, DistributedSystems 🏢 Description: ABOUT THE ROLE We're looking for a Senior or Staff Backend Engineer to own and evolve our backend services as we scale. This is a broad, high-impact role — you'll architect new features, build the systems that underpin our core product, and set the engineering standards that shape how the whole team works. The focus is on building a modern, AI-native developer experience. That means working closely with Product, AI, and Operations teams to design agentic systems, distributed data pipelines, and scalable incident response infrastructure — and doing it in a way that lets the team ship with confidence multiple times a day. WHAT YOU'LL WORK ON Architecture and feature design Partner with Product, AI, and Operations teams to architect new features and complex agentic systems. Make clear architectural trade-offs that balance platform, product, and business goals. Backend services and APIs Build and maintain the backend services and APIs that power the core product. Ensure systems are secure, well-tested, and high performance. Distributed systems Design and implement distributed services to orchestrate data pipelines, automate investigations, and enable incident response at scale. Operational excellence Own operational best practices so the team can ship multiple times a day with confidence. Healthy on-call culture and strong observability are part of what you'll build and maintain. Engineering standards Set the bar for writing, communication, and system design across the team. Your influence will shape how a modern AI-native product is built. WHAT WE LOOK FOR 5–10+ years of backend engineering experience A strong track record designing, building, and operating production backend systems at scale. Deep backend fundamentals Expertise in API design, data modelling, and reasoning about distributed systems trade-offs. You understand the nuances, not just the patterns. AWS or GCP hands-on experience Solid understanding of how infrastructure decisions impact application reliability and performance. You've run things in production, not just designed them. CI/CD in practice Practical experience with testing and deployment strategies in high-frequency shipping environments. Observability and on-call maturity A solid grasp of what good observability looks like and how to build healthy on-call practices that don't burn people out. Bonus Experience at an early-stage or scaling startup. Exposure to modern AI and ML systems. Experience shipping product without a dedicated product manager. TECH STACK TypeScript, React, Node.js, AWS, Terraform, PostgreSQL, OpenAI, Azure AI. The team uses GitHub, Slack, Linear, Figma, and Notion day to day. THE TEAM Small, senior, and in-person. The office is in central Wrocław, next to the main train station. The expectation is 4–5 days a week in the office. Relocation support is available for the right candidate. COMPENSATION & BENEFITS Salary $130,000 – $190,000 USD depending on experience, plus competitive equity. Wellness and commute stipend $100 per month. Hardware Premium hardware provided — MacBook Pro and AirPods. Food Daily in-office lunch and dinner. Time off 20 PTO days plus 9 US public holidays. Relocation Support available for candidates relocating to Wrocław.

🏢 Summary: Senior or Staff Backend Engineer role focused on architecting and scaling AI-native backend services for a modern accounting platform. The position involves designing distributed systems, building secure and high-performance APIs, and establishing engineering standards to support rapid, reliable product delivery. You will work closely with Product, AI, and Operations teams to build scalable data pipelines and incident response infrastructure. 🗂️ Requirements: 5–10+ years of backend engineering experience, Proven experience designing and operating production backend systems at scale, Strong expertise in API design and data modelling, Deep understanding of distributed systems and architectural trade-offs, Hands-on experience with AWS or GCP in production environments, Practical experience with CI/CD pipelines and automated testing, Experience building and maintaining observability and on-call practices 📃 Skills: TypeScript, Node.js, React, AWS, GCP, Terraform, PostgreSQL, OpenAI, Azure, CI/CD, APIs, DistributedSystems, DataModelling, Observability 🏢 Description: ABOUT THE COMPANY We're an applied AI company building an AI-native alternative to legacy accounting software — a market worth tens of billions in annual recurring revenue. Our mission is to help entrepreneurs focus on what matters in their business and life, and to help their accountants become more strategic. We've raised $20M from a group of top-tier investors and have grown ARR 60% month-on-month since our public launch. We now serve thousands of businesses and are expanding our product to serve accountants directly — creating a two-sided platform where both business owners and their accountants use and recommend us. We're at an early but proven stage, moving fast, and building a world-class engineering team in Wrocław to match our ambition. ABOUT THE ROLE We're looking for a Senior or Staff Backend Engineer to own and evolve our backend services as we scale. This is a broad, high-impact role — you'll architect new features, build the systems that underpin our core product, and set the engineering standards that shape how the whole team works. The focus is on building a modern, AI-native developer experience. That means working closely with Product, AI, and Operations teams to design agentic systems, distributed data pipelines, and scalable incident response infrastructure — and doing it in a way that lets the team ship with confidence multiple times a day. WHAT YOU'LL WORK ON Architecture and feature design Partner with Product, AI, and Operations teams to architect new features and complex agentic systems. Make clear architectural trade-offs that balance platform, product, and business goals. Backend services and APIs Build and maintain the backend services and APIs that power the core product. Ensure systems are secure, well-tested, and high performance. Distributed systems Design and implement distributed services to orchestrate data pipelines, automate investigations, and enable incident response at scale. Operational excellence Own operational best practices so the team can ship multiple times a day with confidence. Healthy on-call culture and strong observability are part of what you'll build and maintain. Engineering standards Set the bar for writing, communication, and system design across the team. Your influence will shape how a modern AI-native product is built. WHAT WE LOOK FOR 5–10+ years of backend engineering experience A strong track record designing, building, and operating production backend systems at scale. Deep backend fundamentals Expertise in API design, data modelling, and reasoning about distributed systems trade-offs. You understand the nuances, not just the patterns. AWS or GCP hands-on experience Solid understanding of how infrastructure decisions impact application reliability and performance. You've run things in production, not just designed them. CI/CD in practice Practical experience with testing and deployment strategies in high-frequency shipping environments. Observability and on-call maturity A solid grasp of what good observability looks like and how to build healthy on-call practices that don't burn people out. Bonus Experience at an early-stage or scaling startup. Exposure to modern AI and ML systems. Experience shipping product without a dedicated product manager. TECH STACK TypeScript, React, Node.js, AWS, Terraform, PostgreSQL, OpenAI, Azure AI. The team uses GitHub, Slack, Linear, Figma, and Notion day to day. THE TEAM Small, senior, and in-person. The office is in central Wrocław, next to the main train station. The expectation is 4–5 days a week in the office — this is a deliberate choice, not a compromise. Relocation support is available for the right candidate. COMPENSATION & BENEFITS Salary $130,000 – $190,000 USD depending on experience, plus competitive equity. Wellness and commute stipend $100 per month. Hardware Premium hardware provided — MacBook Pro and AirPods. Food Daily in-office lunch and dinner. Time off 20 PTO days plus 9 US public holidays. Relocation Support available for candidates relocating to Wrocław.

🏢 Summary: Mid-level Fullstack Developer role focused on end-to-end feature delivery using Python, Django, and React, with a strong emphasis on AI-assisted development. The position requires independent work across the full stack and active use of tools like Cursor or GitHub Copilot to accelerate high-quality solution delivery. 🗂️ Requirements: Minimum 3 years of commercial experience, Solid knowledge of React, Solid knowledge of Python, Solid knowledge of Django, Hands-on experience with AI-assisted development tools, Strong knowledge of PostgreSQL, Ability to work independently with minimal supervision, Fluent English 📃 Skills: Python, Django, React, PostgreSQL, Cursor, GitHub Copilot, AI, SQL 🏢 Description: co.brick talents — powered by AI, powered by people. We are looking for a self-reliant Mid-level Fullstack Developer to join a dynamic project that demands proficiency across the entire tech stack. The defining feature of this role is AI-assisted development —we are seeking a specialist for whom tools like Cursor or GitHub Copilot are a natural extension of their workflow, allowing for rapid prototyping and the delivery of high-quality solutions with increased efficiency. Details Seniority: Mid (minimum 3 years of commercial experience). Rate: Up to 100 PLN/h net + VAT (B2B). Backend Stack: Python, Django. Frontend Stack: React. Start Date: ASAP. Language: Fluent English. Responsibilities Full-stack Delivery: Independently designing and implementing features from the database layer to the user interface. AI Integration: Actively utilizing modern AI tools in the daily workflow to optimize development processes and code generation. Database Management: Working with relational databases, specifically PostgreSQL . Code Quality: Writing testable, efficient, and maintainable code in accordance with industry best practices. Requirements Core Stack: Solid, project-backed knowledge of React , Python , and Django . Modern Tooling: Hands-on experience with AI-assisted development tools ( Cursor , GitHub Copilot ) and the ability to integrate them seamlessly into daily tasks. Autonomy: Ability to deliver high-quality solutions independently with minimal supervision. Database Proficiency: Strong knowledge of PostgreSQL . Nice to Have Practical knowledge of Nextcloud .

🏢 Summary: The offer is for an AI Backend Engineer role focused on building and evolving large-scale digital platforms using Python, Django, and modern cloud infrastructure. The position combines backend ownership, React-based frontend contributions, AWS and Kubernetes deployments, and practical use of AI tools to automate and accelerate development. It emphasizes end-to-end feature delivery, production reliability, and high autonomy within a senior engineering team. 🗂️ Requirements: Minimum 6 years of professional software engineering experience, Strong production experience with Python, Strong production experience with Django, Experience with JavaScript, Experience with React and modern hooks, Experience with AWS services, Experience with Kubernetes and container deployments, Experience building and maintaining production systems, Experience with API design, Experience with data modeling, Ability to design systems and make independent technical decisions, Ability to work with complex existing codebases 📃 Skills: Python, Django, JavaScript, React, AWS, Kubernetes, Docker, REST, CI/CD, APIs, Cloud, AI, LLM 🏢 Description: Client Our client is the world’s leading music company, committed to artistry, innovation, and entrepreneurship. Project overview This project focuses on building and evolving digital platforms that support music-related products and internal systems at a global scale. The work combines backend services, modern user interfaces, cloud infrastructure, and AI-driven automation to improve how software is built and delivered. Team You will work within a senior engineering team made up of backend, frontend, and infrastructure specialists. The team collaborates closely, values clear ownership, and focuses on shipping production-ready solutions with minimal overhead. Position overview We are looking for an AI Backend Engineer who combines strong Python and Django experience with a product-oriented mindset and a practical, hands-on approach to using AI in daily development work. You will own features end-to-end and contribute directly to both product and technical direction in a low-process, high autonomy environment. Technology stack Python, Django, JavaScript, React, AWS, Kubernetes, Docker, REST APIs, CI CD pipelines, cloud native infrastructure Responsibilities Build and maintain backend services using Python and Django in production environments Contribute to modern React-based frontend applications using current component patterns and hooks Design and deliver features end-to-end from concept through implementation, deployment, and iteration Use AI tools to accelerate development, automation, and product delivery Identify opportunities to replace manual or repetitive work with AI-driven solutions Collaborate with senior engineers on system design, architecture, and production reliability Contribute to AWS based infrastructure and Kubernetes deployments Improve CI CD pipelines and support stable and reliable production systems Take ownership of production services with minimal day-to-day oversight Requirements At least six years of professional software engineering experience Production experience with Python and Django Experience with JavaScript and React, including modern hooks and component architecture Experience working with AWS services Experience with Kubernetes and container-based deployments Background in building and maintaining production systems Experience with API design, data modeling, and system-level thinking Ability to make independent technical decisions and take responsibility for outcomes Ability to ramp up quickly in existing and complex codebases Strong written and verbal communication skills and a proactive ownership approach Nice to have Experience building AI-powered products or integrations, such as LLM-based features, agents, or automation tools Startup or founder experience Experience working in fast-moving teams with lightweight processes What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 Summary: Backend Developer role in the Telco industry focused on building and maintaining AI-driven systems using Python and modern ML/NLP technologies. The position involves developing scalable backend services, integrating message queues and databases, and contributing to LLM-based and NLP solutions in a cloud environment. The role covers the full lifecycle from design and implementation to testing, containerization, and deployment. 🗂️ Requirements: Minimum 5 years experience as Backend Developer, Experience in at least 3 backend projects using Python, Proficiency in Python with OOP, Experience with FastAPI, Experience with pytest or unittest, Experience with Docker and Dockerfiles, Experience with Unix/Linux and Windows, Experience with Git, Experience with message queues (RabbitMQ or PubSub), Experience with MongoDB, Experience with processes, threads or asyncio, Experience with PyTorch or TensorFlow or Transformers, Experience with spaCy or Stanza, Experience building or training NLP models, Experience with LangChain or LlamaIndex, Experience with Google Cloud, Experience with Apache Airflow, Ability to create UML documentation 📃 Skills: Python, FastAPI, pytest, unittest, Docker, Unix, Linux, Windows, Git, RabbitMQ, PubSub, MongoDB, asyncio, PyTorch, TensorFlow, Transformers, spaCy, Stanza, LangChain, LlamaIndex, GCP, Airflow, UML 🏢 Description: This is the job Within the Telco industry in Warsaw, we are actively seeking a professional to strengthen our team dedicated to Artificial Intelligence Systems Department This is you Proficiency in Python, including its use for developing software in an object‑oriented approach Creating tests using pytest/unittest frameworks Ability to containerize applications, create Dockerfiles, and work with Docker Comfortable working in Unix/Linux and Windows environments Ability to use UML notation and create documentation for developed software Confident use of Git Polish - Native EXPERIENCE: Minimum 5 years of experience in production projects as a Backend Developer Participation in at least 3 projects involving backend development using Python Practical experience with at least five of the following: Working with message‑queue systems such as RabbitMQ / PubSub Working with document‑oriented databases such as MongoDB (data definition/usage) Using processes/threads/asyncio FastAPI framework Knowledge of deep learning tools such as PyTorch / TensorFlow / Transformers Knowledge of specialized NLP tools such as spaCy / Stanza Building/training ML models in the NLP domain Knowledge of LangChain / LlamaIndex for building LLM‑based applications Ability to work in Google Cloud Knowledge of orchestration tools, e.g., Apache Airflow SOFT SKILLS: Strong communication skills, including the ability to discuss technical aspects with individuals with limited technical background, enabling effective analysis of business processes or user requirements and proposing solutions Ability to take responsibility for the full lifecycle of the developed component Proactive approach to problem‑solving This is your role Development and maintenance of the backend in Python (OOP, FastAPI) Creating automated tests (pytest / unittest) Application containerization (Docker, Dockerfile) Working in Unix/Linux and Windows environments Designing and updating technical documentation (UML) Working with Git (branching, code review) Integrating with message‑queue systems (RabbitMQ / PubSub) Working with document‑oriented databases (MongoDB) Implementing solutions based on processes, threads, or asyncio Collaborating on building ML/NLP models (PyTorch / TensorFlow / Transformers, spaCy / Stanza) Building LLM‑based applications (LangChain / LlamaIndex) Working in the Google Cloud environment Creating and maintaining data pipelines (Apache Airflow) Participating in requirements analysis and solution design Taking responsibility for the quality and stability of backend components Collaborating with the team and communicating with non‑technical stakeholders What awaits you at Avenga? Private medical care Cafeteria benefits program Private isurance