Python Developer

🏢 Summary: The offer is for a backend-focused AI Engineer role building a modern AI platform for business process automation and multi-agent system integration in a production-grade enterprise environment. The position centers on developing scalable Python-based services, secure API integrations, and cloud-native AI solutions using LLMs and RAG. The role involves designing robust, secure, and scalable architectures deployed on AWS or Azure with containerized infrastructure. 🗂️ Requirements: Extensive experience in backend development with Python in production environments, Hands-on experience with AI Agents, RAG, MCP, or LLM-based solutions, Experience with system integrations and API architecture, Experience with scalable cloud-based applications, Experience with AWS or Azure, Experience with Docker and Kubernetes, Experience designing secure and scalable enterprise solutions, Experience with multi-agent systems and workflow automation, Ability to conduct code reviews and mentor developers, Fluent English and Polish 📃 Skills: Python, LLM, RAG, MCP, AWS, Azure, Docker, Kubernetes, API, Microservices, Cloud, AI, Agents 🏢 Description: Additional information The project focuses on building and developing a modern AI platform supporting business process automation and the integration of intelligent agents with enterprise systems. The team is creating scalable solutions based on Python, cloud technologies, and multi-agent architecture, leveraging technologies such as LLMs, RAG, and advanced workflow automation. A key aspect of the project is designing secure integrations between AI platforms, internal systems, and external APIs within a production-grade environment. The project is delivered in an international technology-driven environment with a strong focus on innovation, high-quality architecture, and the development of cutting-edge AI solutions for a global industrial organization. You’re ideal for this role if you: Have extensive experience in backend development with Python in production environments Have hands-on experience with AI technologies such as AI Agents, RAG, MCP, or LLM-based solutions Understand system integrations, API architecture, and scalable cloud-based applications Have worked with AWS or Azure and containerized environments such as Docker and Kubernetes Are experienced in designing secure and scalable enterprise solutions Have strong problem-solving skills and can proactively remove technical blockers Enjoy working closely with cross-functional teams in an international environment Have experience mentoring developers, conducting code reviews, and promoting engineering best practices Are interested in modern AI architectures, workflow automation, and multi-agent systems Communicate fluently in English and Polish and feel comfortable working in a global setup Your day-to-day responsibilities include:​ Designing and developing scalable backend services and AI-driven integration solutions in Python Building and maintaining APIs, connectors, and middleware between AI platforms and enterprise systems Creating and optimizing multi-agent workflows and intelligent automation processes Collaborating with AI Engineers, Data Engineers, and other technical stakeholders on system architecture and integrations Integrating external AI platforms, internal tools, and cloud services into production environments Working with cloud technologies and containerized infrastructure in AWS or Azure environments Improving the quality, reliability, and performance of AI-powered solutions and LLM-based workflows Conducting code reviews, mentoring team members, and supporting engineering best practices Troubleshooting technical issues, identifying bottlenecks, and driving continuous improvements Contributing to technical documentation, architecture discussions, and innovation initiatives across the team

🏢 Summary: Senior Python Developer role focused on building high-performance backend services for real-time, event-driven systems. The position involves extensive asynchronous programming, data streaming, and designing scalable architectures for high-load environments. 100% remote work with strong impact on architectural decisions and system reliability. 🗂️ Requirements: Minimum 8 years of experience in Python development, Strong expertise in asynchronous programming with asyncio, Deep understanding of GIL, multithreading and multiprocessing, Experience with real-time or high-load systems, Hands-on experience with RabbitMQ and Kafka, Experience with FastAPI, Flask or aiohttp, Knowledge of PostgreSQL or MySQL, Experience designing event-driven architectures, Experience building and maintaining high-performance APIs 📃 Skills: Python, asyncio, GIL, multithreading, multiprocessing, RabbitMQ, Kafka, FastAPI, Flask, aiohttp, PostgreSQL, MySQL, APIs, concurrency, streaming, event-driven 🏢 Description: Our Client is a fast-growing international technology company developing advanced distributed systems for real-time data processing. The project focuses on building a high-performance backend platform that handles large volumes of events, communicates asynchronously, and requires well-thought-out architectural decisions. Key aspects of the role include asynchronous programming in Python, event-driven architectures, and data streaming, where performance and reliability have a direct impact on the overall system. 📍 WORK MODE 100% remote (optional visits to the office in Warsaw ) 🧑‍💻 RESPONSIBILITIES Development of backend services in Python for real-time systems Processing telemetry data and events in an event-driven architecture Extensive work with asynchrony (asyncio) and concurrency Designing and developing APIs (FastAPI / Flask / aiohttp) Working with message brokers and data streaming platforms Contributing to the design of high-load system architectures Code reviews and ensuring high quality and reliability of systems 🔍 REQUIREMENTS Must-have: Minimum 8 years of experience as a Python Developer Strong expertise in asynchronous programming in Python (asyncio) – essential Solid understanding of the GIL, multithreading vs. multiprocessing Experience with real-time and/or high-load systems Hands-on experience with RabbitMQ and Kafka (queues and streaming) Experience with FastAPI / Flask / aiohttp Knowledge of relational databases (PostgreSQL / MySQL) Very good command of English (C1 level) 🤝 WHY JOIN? A project where asynchrony and real-time processing are the core foundation Real impact on system architecture and technical decisions Work on high-load systems and data streaming solutions 100% remote work with a flexible approach to work organization Paid time off and stable cooperation conditions Work in 2-week sprints, Jira, clear goals, and fast feedback Please note that only selected candidates will be contacted as part of the recruitment process. The recruitment process is conducted by TQLO Sp. z o.o. , a licensed recruitment agency registered in Poland under KRAZ number: 33580 .

🏢 Summary: Backend Python Developer role focused on designing and implementing scalable web applications, building REST APIs, and shaping project architecture in AWS-based environments. The position involves working with modern Python frameworks, event-driven systems, and integrating backend services with React or Angular frontends. Strong emphasis on clean architecture, async programming, testing, and secure, high-quality code delivery. 🗂️ Requirements: Extensive commercial experience with Python 3.10+ in web applications, Proficiency in at least one Python framework (Django, Flask, FastAPI), Practical experience with Domain-Driven Design and Clean Architecture, Strong async Python skills (asyncio, async/await, async testing), Writing fully type-hinted Python code, Production experience with MongoDB including schema design and aggregation pipelines, Experience with relational and non-relational databases, Ability to build secure and efficient REST APIs, Experience with event-driven architecture and Kafka or similar, Experience with integration testing against real infrastructure, Proficiency with Docker and docker-compose, Familiarity with AWS services (EC2, ECS, SQS, S3, Lambda), Experience with CI/CD tools, Practical knowledge of Celery and message brokers (Redis or RabbitMQ), Knowledge of application security practices (OWASP, SAST, Semgrep), Fluent English 📃 Skills: Python, Django, Flask, FastAPI, AWS, EC2, ECS, SQS, S3, Lambda, MongoDB, SQL, NoSQL, Kafka, asyncio, Docker, CI/CD, Celery, Redis, RabbitMQ, REST, OWASP, SAST, Semgrep 🏢 Description: Exciting projects. Great atmosphere. Personal growth. Merixstudio. What you'll do: You'll join our experienced Python Developers and work on designing and implementing backend business logic and exposing it through REST API using Python 3, AWS. You’ll be responsible for the overall project structure/architecture, new features, and integration with front-end frameworks like React or Angular. Who you are (requirements): you have extensive commercial experience in development of web applications using Python (3.10+) you are proficient in more than one Python framework (Django, Flask, FastAPI etc.) you have practical experience applying Domain-Driven Design and Clean Architecture in production you have strong async Python skills: asyncio, async/await, and async testing patterns you write fully type-hinted Python as a matter of habit you have production experience with MongoDB, including schema design and aggregation pipelines you know how to effectively use relational and non-relational databases you are able to build modern, secure and efficient APIs you have experience with event-driven architectures and Kafka (or comparable streaming platforms) you have a disciplined testing practice, including integration tests against real infrastructure you are using design patterns and principles of delivering high quality, maintainable and testable code you work agentically with AI coding assistants (Claude Code, Cursor, or similar) you are proficient in using Docker and docker-compose you are familiar with AWS services (EC2, ECS, SQS, S3, Lambda) you have experience with CI/CD tools you have practical knowledge of using Celery and message brokers (Redis, RabbitMQ) you are fluent in both spoken and written English you know security issues and know how to ensure application security (OWASP, SAST, Semgrep) What we'd like to see: familiarity with TDD / DDD approach experience with WebSocket-based real-time systems mentoring skills and experience in onboarding junior/mid developers experience in leading the project as a lead developer very good communication skills and proactive attitude in architectural discussions Additionals: one-time home office bonus - 1000 PLN net free medical care flexible working hours 100% remote work or hybrid model: if you want, we have a great office in Poznań!

🏢 Summary: The offer is for a Senior Python Developer to design and build a scalable, high-performance backend platform supporting real-time communication and coordination of thousands of autonomous units. The role focuses on mission-critical systems, real-time telemetry processing, and high-availability architecture in a fully remote, international environment. The position involves strong influence on system architecture and technical decisions. 🗂️ Requirements: Minimum 5+ years of experience as a Python Developer, Strong knowledge of Python and backend service development, Hands-on experience with Flask or FastAPI or aiohttp, Practical experience with real-time data processing systems, Experience with message queues such as RabbitMQ or ZeroMQ, Experience with PostgreSQL or MySQL or MariaDB, Ability to design high-load, high-availability systems, Very good command of English (C1) 📃 Skills: Python, Flask, FastAPI, aiohttp, RabbitMQ, ZeroMQ, PostgreSQL, MySQL, MariaDB, APIs, Telemetry, Jira 🏢 Description: Our Client is a fast-growing technology company building advanced solutions in the field of autonomy and distributed systems, operating in a fully international environment. The project focuses on developing a scalable backend platform that supports thousands of autonomous units operating and communicating in real time. We are looking for an experienced Python Developers who want to have a real impact on the architecture of mission-critical systems and work on products where performance, reliability, and fast engineering decisions truly matter. WORK MODE: 100% remote - occasional visits to Warsaw (mokotów) WHAT WILL YOU BE WORKING ON? Designing, implementing, and developing scalable backend services in Python , handling real-time telemetry data processing (thousands of events per second) Co-designing the architecture of high-availability, high-performance systems responsible for coordination, analysis, and real-time data distribution Building and maintaining data pipelines (telemetry, sensor data, mission-critical events) using message queues and asynchronous mechanisms Designing and implementing APIs consumed by frontend applications, internal tools, and other platform components Working closely with backend, frontend, and autonomy/algorithm teams to ensure seamless system integration Participating in architectural design, code reviews, ensuring code quality, monitoring, and maintaining clear technical documentation WHAT DO WE EXPECT FROM YOU? Must-have: Minimum 5+ years of experience as a Python Developer Strong knowledge of Python and backend service development Hands-on experience with web frameworks such as Flask , FastAPI or aiohttp Practical experience with real-time data processing systems (must have) and message queues (e.g. RabbitMQ , ZeroMQ , or similar) Experience working with databases such as PostgreSQL , MySQL , or MariaDB Ability to design systems handling a high volume of requests and events per second Very good command of English (C1) Nice-to-have: Experience with Go Knowledge of distributed systems, data streaming, or event-driven architecture Background in building mission-critical systems (high availability, real-time processing) WHY IS IT WORTH IT? Permanent employment with end client with competitive compensation aligned with your experience Real influence on system architecture and product direction in a high-responsibility, large-scale project Work in an international team focused on outcomes rather than unnecessary processes 100% remote work and a flexible approach to work organization Paid time off and stable cooperation conditions 2-week sprints, Jira , clear goals, and fast feedback loops A work culture built on quality, ownership, and true partnership Thank you for all applications! We will contact selected candidates. TQLO Sp. z o.o. – Agencja Zatrudnienia (KRAZ nr 33580)

🏢 Summary: Remote Senior Python Developer role focused on building and scaling a high-performance backend platform for real-time coordination of thousands of autonomous units. The position involves designing scalable services, processing high-volume telemetry data, and co-creating high-availability system architecture. The role emphasizes performance, reliability, and real impact on mission-critical distributed systems. 🗂️ Requirements: 5+ years of experience as a Python Developer, Strong knowledge of Python and backend service development, Experience with Flask or FastAPI or aiohttp, Hands-on experience with real-time data processing systems, Experience with message queues (e.g. RabbitMQ or ZeroMQ), Experience with PostgreSQL or MySQL or MariaDB, Ability to design high-availability systems handling high volumes of requests and events, Very good command of English (C1) 📃 Skills: Python, Flask, FastAPI, aiohttp, RabbitMQ, ZeroMQ, PostgreSQL, MySQL, MariaDB, APIs, Telemetry, Asyncio 🏢 Description: Our Client is a fast-growing technology company building advanced solutions in the field of autonomy and distributed systems, operating in a fully international environment. The project focuses on developing a scalable backend platform that supports thousands of autonomous units operating and communicating in real time. We are looking for an experienced Python Developers who want to have a real impact on the architecture of mission-critical systems and work on products where performance, reliability, and fast engineering decisions truly matter. WORK MODE: 100% remote - occasional visits to Warsaw (mokotów) WHAT WILL YOU BE WORKING ON? Designing, implementing, and developing scalable backend services in Python , handling real-time telemetry data processing (thousands of events per second) Co-designing the architecture of high-availability, high-performance systems responsible for coordination, analysis, and real-time data distribution Building and maintaining data pipelines (telemetry, sensor data, mission-critical events) using message queues and asynchronous mechanisms Designing and implementing APIs consumed by frontend applications, internal tools, and other platform components Working closely with backend, frontend, and autonomy/algorithm teams to ensure seamless system integration Participating in architectural design, code reviews, ensuring code quality, monitoring, and maintaining clear technical documentation WHAT DO WE EXPECT FROM YOU? Must-have: Minimum 5+ years of experience as a Python Developer Strong knowledge of Python and backend service development Hands-on experience with web frameworks such as Flask , FastAPI or aiohttp Practical experience with real-time data processing systems (must have) and message queues (e.g. RabbitMQ , ZeroMQ , or similar) Experience working with databases such as PostgreSQL , MySQL , or MariaDB Ability to design systems handling a high volume of requests and events per second Very good command of English (C1) Nice-to-have: Experience with Go Knowledge of distributed systems, data streaming, or event-driven architecture Background in building mission-critical systems (high availability, real-time processing) WHY IS IT WORTH IT? Permanent employment with end client with competitive compensation aligned with your experience Real influence on system architecture and product direction in a high-responsibility, large-scale project Work in an international team focused on outcomes rather than unnecessary processes 100% remote work and a flexible approach to work organization Paid time off and stable cooperation conditions 2-week sprints, Jira , clear goals, and fast feedback loops A work culture built on quality, ownership, and true partnership Thank you for all applications! We will contact selected candidates. TQLO Sp. z o.o. – Agencja Zatrudnienia (KRAZ nr 33580)

🏢 Summary: The offer is for a Senior Python Backend Engineer to design and maintain scalable, cloud-native backend systems on AWS, including REST APIs and AI/LLM integrations. The role focuses on distributed systems, asynchronous processing, observability, and high code quality within a modern CI/CD environment. It involves working with both serverless and containerized deployments in a collaborative, agile team. 🗂️ Requirements: 3–5+ years of professional Python backend development experience, Experience building cloud-native systems on AWS, Strong knowledge of REST API design and OpenAPI, Experience with asynchronous processing and queue-based architectures, Hands-on experience with core AWS services (Lambda, API Gateway, S3, IAM, ECS/EKS, CloudWatch), Knowledge of DynamoDB and NoSQL data modelling, Knowledge of PostgreSQL, SQL, and relational data modelling, Experience with serverless and containerized deployments, Experience integrating external APIs and third-party services, Experience with automated testing using pytest, Familiarity with CI/CD tools, Understanding of distributed systems, scalability, and reliability, Practical understanding of LLM-based or AI-driven applications, Ability to apply SOLID principles and clean code practices, Fluent English (written and spoken) 📃 Skills: Python, AWS, FastAPI, Pydantic, SQLAlchemy, boto3, REST, OpenAPI, Celery, SQS, Lambda, ECS, EKS, S3, CloudFront, IAM, SecretsManager, CloudWatch, DynamoDB, PostgreSQL, SQL, pytest, GitHubActions, Jenkins, NewRelic, Docker, Kubernetes, LLM, Cursor, Claude, Copilot 🏢 Description: We are looking for a Senior Python Backend Engineer with experience in building cloud-native backend systems on AWS. This role is focused on designing, developing, and maintaining scalable Python services, integrating AI/LLM-based capabilities, working with distributed systems, and ensuring high reliability, observability, and code quality. Your responsibilities: Design, build, and maintain backend services using Python in an AWS-based environment. Develop and maintain REST APIs together with clear OpenAPI documentation. Implement asynchronous processing and queue-based communication between services. Design data access patterns for application features using NoSQL and SQL storage. Integrate backend services with internal systems, external APIs, and AI/LLM-based components. Implement reliable communication patterns, including retries, timeouts, and circuit breakers. Build and maintain operational CLI tooling for day-to-day platform tasks (e.g. content ingestion). Contribute to architectural decisions across software and infrastructure as the stack evolves. Create observability for distributed systems, including logging, metrics, tracing, and alerting. Write automated tests and support high code quality across the backend codebase. Contribute to CI/CD processes and deployment automation. Collaborate with product, frontend, QA, DevOps, AI/ML teams, and content creators. Review code, share knowledge, and raise the bar for engineering practice across the team. We are looking for you, if you have: 3–5+ years of professional experience in Python backend development. Solid understanding of REST API design and OpenAPI standards. Experience with asynchronous processing and queue-based architectures, e.g. Celery, SQS. Experience with libraries and frameworks such as FastAPI, Pydantic, SQLAlchemy, boto3. Hands-on experience with core AWS services such as Lambda, API Gateway, S3, CloudFront, Secrets Manager, IAM, ECS/EKS, CloudWatch, etc. Good knowledge of DynamoDB and NoSQL data modelling. Good knowledge of PostgreSQL, SQL, and relational data modelling . Experience with both serverless (Lambda) and containerized (ECS/EKS) deployment models. Experience integrating with external APIs and third-party services. Experience with pytest and automated testing practices. Familiarity with CI/CD tools such as GitHub Actions and/or Jenkins. Experience with observability tools such as New Relic and CloudWatch. Understanding of distributed systems, scalability, reliability, and fault tolerance. Ability to apply SOLID principles, clean code practices, and common design patterns. Practical understanding of LLM-based applications or AI agentic frameworks. Ability to use AI development tools such as Cursor, Claude Code, or GitHub Copilot. Experience working in agile software development teams. Fluent English, both written and spoken. We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

🏢 Summary: The offer is for a Python Backend Engineer to build and maintain scalable backend services and REST APIs in a collaborative product environment. The role focuses on developing clean, well-tested code and contributing to architecture and code quality from day one. It is a fully remote position with flexible contract options and long-term international projects. 🗂️ Requirements: 3+ years of professional Python experience, Strong knowledge of FastAPI, Django, or Flask, Experience with PostgreSQL, Experience with REST API design, Proficiency with Git, Experience with pytest, Experience with CI/CD workflows 📃 Skills: Python, FastAPI, Django, Flask, PostgreSQL, REST, Git, pytest, CI/CD, AWS, GCP, Azure, Docker, Kubernetes, Kafka, Redis, RabbitMQ, Poetry, uv 🏢 Description: About the role We're looking for a Python backend engineer to join a client team and build reliable, scalable services from day one. Responsibilities Design and maintain Python-based backend services and REST APIs Write clean, tested, well-documented code Collaborate with product and DevOps teams on feature delivery Participate in code reviews and architecture discussions Requirements 3+ years of professional Python experience Solid knowledge of FastAPI, Django, or Flask Experience with PostgreSQL and RESTful API design Comfortable with Git, pytest, and CI/CD workflows Good written and spoken English Nice to have AWS, GCP, or Azure Docker / Kubernetes Kafka, Redis, or RabbitMQ Poetry or uv for dependency management pre-commit hooks and code quality tooling We offer B2B contract or employment contract (umowa o pracę / umowa zlecenie) — flexible on the form Fully remote, flexible setup Long-term engagements with international clients Dedicated recruiter support through onboarding

🏢 Summary: Backend Engineer role focused on building production systems for AI agents, including backend services, APIs, and data pipelines for enterprise customers. The position involves designing reliable distributed systems, maintaining production services, and collaborating closely with cross-functional teams in a fully on-site Warsaw office environment. The company offers a modern AI-focused tech stack, B2B contract, stock options, and opportunities to contribute to open-source projects. 🗂️ Requirements: 3–5 years of experience building backend production systems, Strong Python skills, Understanding of distributed systems, Experience with AWS, GCP, or Azure, Knowledge of SQL and NoSQL databases, Database design experience, Security-focused approach to system design, Ability to manage projects from idea to production, Strong written and spoken communication skills, Experience using AI tools in software development, Ability to work fully on-site in Warsaw 📃 Skills: Python, AWS, GCP, Azure, SQL, NoSQL, AI, TypeScript, APIs, GitHub, Copilot, Codex, Claude 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About us We believe that businesses are moving toward AI-powered work, and we are building a platform for this future. Many AI agents cannot handle complex business tasks. We created a platform that organizes company policies, workflows, and business knowledge into one AI data model. This helps AI agents make accurate decisions and deliver reliable results at scale. We already work with well-known enterprise customers such as Glovo, Nespresso, and HelloFresh. Our platform supports thousands of users and handles real production data. Customers trust us with important business knowledge because we provide a secure and reliable solution with SOC2, HIPAA-ready security practices, and strong integrations. Job description We are looking for a backend engineer with several years of experience who wants to take responsibility for real systems, not only complete assigned tasks. You will solve backend challenges, choose the best technical solutions, deliver new features, and support them in production. We are looking for someone with good technical skills, clear communication, and a desire to build systems that are simple, reliable, and easy to improve. You will help build production systems for AI agents, working on real problems for customers who already use our platform. The position is based in Warsaw and requires working from the office. Responsibilities Build backend services, APIs, data pipelines, and background processes for production systems. Turn business requirements into technical solutions and implementation plans. Monitor and maintain services after release, improving reliability, performance, and system monitoring. Design service interfaces and data models that fit well into the overall system. Create technical documentation and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers. Improve engineering processes using AI tools, automation, and better workflows. Help maintain high code quality through code reviews and design reviews. Requirements Around 3–5 years of experience building backend production systems. Strong Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failures, data consistency, asynchronous processing, and service communication. Experience with cloud platforms such as AWS, GCP, or Azure, and knowledge of SQL, NoSQL, and database design. A security-focused approach when working with sensitive data and system design. Ability to manage projects from idea to production with increasing responsibility. Good written and spoken communication skills, with the ability to explain technical decisions clearly. Experience using AI tools as part of your daily software development work. Nice to have Experience with AI agents, orchestration, retrieval systems, tool calling, or LLM-based infrastructure. Knowledge of TypeScript or willingness to work across the full technology stack. Experience taking on more responsibility and learning quickly. What we offer B2B contract and company stock options. MacBook Pro. Modern technology stack and the opportunity to contribute to open-source projects. An AI-focused development environment with tools such as Claude Code, OpenAI Codex, and GitHub Copilot. Our values Our leadership team combines strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Oferta dotyczy roli Python Backend Developera odpowiedzialnego za rozwój i utrzymanie aplikacji opartych o architekturę mikroserwisową z wykorzystaniem REST API i technologii cloud-native. Zakres obejmuje projektowanie architektury, integracje z systemami zewnętrznymi, automatyzację testów oraz dbanie o jakość, bezpieczeństwo i wydajność kodu. Praca odbywa się w modelu zdalnym z elastycznymi godzinami i długofalową współpracą. 🗂️ Requirements: Minimum 5 lat komercyjnego doświadczenia w Pythonie, Znajomość Django, Znajomość Flask, Znajomość FastAPI, Doświadczenie z REST API, Znajomość Linux, Doświadczenie z WebSocket, Znajomość Jenkins, Znajomość GitLab, Znajomość GitHub Actions, Znajomość Grafana, Znajomość Prometheus, Doświadczenie z architekturą mikroserwisową, Znajomość relacyjnych baz danych, Wykształcenie wyższe informatyczne lub pokrewne, Język angielski minimum B2 📃 Skills: Python, Django, Flask, FastAPI, REST, Linux, WebSocket, Jenkins, GitLab, GitHub, Grafana, Prometheus, PostgreSQL, MySQL, MSSQL, Docker, Kubernetes, SQL, Redis, Elasticsearch, JavaScript, OWASP, Scrum 🏢 Description: MUST-HAVE: Min. 5 lat doświadczenia komercyjnego w programowaniu w Pythonie. Django Flask/Fast API REST API Linux WebSocket Jenkins/Gitlab/Github Actions monitoring (Grafana/Prometheus) mikroserwisy relacyjne bazy danych (PostgreSQL/MySQL/MS SQL Server) wyższe wykształcenie (informatyka lub pokrewne) Angielski na poziomie min. B2 NICE-TO-HAVE: Bazy danych NoSQL (Elasticsearch, Redis) Znajomość standardów OWASP Top 10 JavaScript O projekcie (cel, harmonogram, zespol) Poszukujemy doświadczonego Python Backend Developera do rozwoju i utrzymania nowoczesnych aplikacji opartych o architekturę mikroserwisową. Osoba na tym stanowisku będzie odpowiedzialna za projektowanie i implementację nowych funkcjonalności, rozwój REST API, integrację z systemami zewnętrznymi oraz optymalizację wydajności aplikacji. Projekt wykorzystuje technologie Python (Django/FastAPI/Flask), relacyjne bazy danych (PostgreSQL/MySQL), Docker, Kubernetes oraz rozwiązania CI/CD. Istotnym elementem pracy jest współtworzenie architektury systemu, udział w code review, tworzenie testów automatycznych oraz dbanie o jakość i bezpieczeństwo kodu zgodnie z dobrymi praktykami (SOLID, DRY, KISS, OWASP). Na co dzień będziesz współpracować z zespołem Scrum, uczestniczyć w planowaniu prac, analizie wymagań biznesowych oraz wspierać mniej doświadczonych programistów poprzez mentoring i dzielenie się wiedzą. Obowiazki na stanowisku Projektowanie, implementacja i utrzymanie aplikacji backendowych w Pythonie. Udział w projektowaniu architektury systemu i analiza rozwiązań technicznych. Proponowanie i wdrażanie rozwiązań dla problemów technicznych i biznesowych. Implementacja testów automatycznych. Udział w przeglądach kodu (code review). Dbanie o czytelność, wydajność i bezpieczeństwo kodu. Projektowanie i implementacja rozwiązań bazodanowych (SQL). Przygotowywanie i utrzymywanie konfiguracji Docker oraz Kubernetes. Integracja aplikacji z systemami zewnętrznymi (REST API, systemy kolejkowe). Udział w pracach zespołu scrumowego (estymacja, planowanie, backlog). Przygotowywanie i aktualizacja dokumentacji technicznej i architektonicznej. Współpraca z zespołem przy analizie wymagań i wdrażaniu zmian. Wsparcie techniczne zespołu oraz mentoring młodszych programistów. Identyfikacja ryzyk technicznych i proponowanie sposobów ich ograniczenia. Optymalizacja wydajności aplikacji backendowych. Co przekona kandydata do oferty? Praca zdalna (okazjonalne wizyty w biurze w Warszawie) Elastyczne godziny pracy (start od 7:00 do 9:00) Długofalowa współpraca (minimum na rok)

🏢 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