Python Fullstack Developer

🏢 Summary: Lead an international multidisciplinary engineering team delivering and modernizing recruitment technology, including business-critical document-parsing systems and AI-driven solutions. The hybrid role combines people management, delivery ownership, and technical leadership across global product and engineering stakeholders. 🗂️ Requirements: 2+ years leading software engineers as an Engineering Manager, Software Development Manager, Technical Lead, or similar, Experience leading agile product engineering teams, Experience managing delivery, capacity, risks, and technical priorities, Experience mentoring engineers, managing performance, and supporting career growth, Previous hands-on software engineering experience, Strong knowledge of software architecture, APIs, CI/CD, cloud environments, and modern development practices, Understanding of machine learning and LLM-based product applications, Ability to assess architecture, technical debt, quality, scalability, and engineering trade-offs, Experience working in distributed international organizations, Practical experience using AI tools in engineering or management workflows, Fluent English 📃 Skills: Python, Perl, APIs, CI/CD, AWS, MachineLearning, DeepLearning, LLMs, GitHubCopilot, Claude, Gemini, ChatGPT 🏢 Description: Lead/Manager — Engineering, AI & Data

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🏢 Summary: Lead AI Software Developer role focused on architecting and scaling AI-powered applications, backend services, and enterprise integrations. The position leads AI agent and LLM solution development, technical standards, mentoring, and cloud-based automation delivery. 🗂️ Requirements: Degree in Computer Science, AI, Data Science, or similar field, 8+ years of software engineering experience, 5+ years of production Python backend development, Experience building and scaling Python applications, Hands-on experience with AI Agents, RAG, and MCP, Experience with AWS or Azure, storage, databases, and AI services, Knowledge of containerization and Kubernetes, Experience with API integrations and enterprise system connectivity, Leadership and mentoring experience, Fluent Polish and English at B2 minimum, Willingness to travel internationally up to 10% 📃 Skills: Python, AWS, Azure, RAG, MCP, Kubernetes, APIs, Databases, Containers, LLMs 🏢 Description: We are seeking an experienced Lead AI Software Developer to design and scale AI-powered applications and integrations. In this role, you will architect backend systems, lead AI agent development, and ensure secure, scalable integration across cloud platforms and enterprise systems. Key Responsibilities Design and maintain middleware, APIs, and connectors integrating AI agents with enterprise systems Architect scalable backend services and cloud-based solutions (AWS/Azure) Develop and optimize multi-agent workflows and adaptive decision logic Fine-tune prompts and LLM-based solutions for domain-specific use cases Lead code reviews, mentor developers, and define development best practices Drive complex API integrations with internal and external AI platforms (incl. MCP servers) Remove technical roadblocks and ensure timely delivery Collaborate with AI, Data, and Platform teams to optimize automation architectures Maintain technical documentation and promote continuous improvement Requirements Degree in Computer Science, AI, Data Science, or similar field 8+ years of software engineering experience, including 5+ years of Python backend development (production) Strong experience building and scaling Python applications Hands-on experience with AI technologies (AI Agents, RAG, MCP) Experience with cloud platforms (AWS or Azure), storage, databases, and AI services Knowledge of containerization and Kubernetes Experience with API integrations and enterprise system connectivity Strong leadership and mentoring experience Excellent communication skills; fluent in Polish and English (min. B2); German is a plus Willingness to travel internationally (~10%) Nice to have: Experience with LangChain, LangGraph, multi-agent systems, prompt engineering, and LLM fine-tuning. What We Offer Work in a global and innovative technology environment Direct impact on enterprise AI and automation solutions Professional development and access to training programs Hybrid work model with flexible hours (central Wroclaw office) Competitive benefits package, cafeteria system, CSR initiatives, and employee clubs

🏢 Summary: Full Stack Engineer role focused on building an AI-native assistant that delivers reliable, persistent, goal-oriented workflows. The position covers frontend, backend and AI integrations, including agent planning, tool use, LLM reliability and real-time interactions in a remote-first global team. 🗂️ Requirements: Professional full-stack engineering experience across frontend and backend systems, System design, distributed applications and API architecture knowledge, Experience with LLMs, RAG systems or AI-powered applications, Ability to own features from concept through production deployment, Pragmatic decision-making in ambiguous, fast-moving environments, Cross-functional collaboration with engineering, Machine Learning and product teams 📃 Skills: Next.js, Python, Node.js, PyTorch, OpenAI, Anthropic, LLMs, RAG, SQL, NoSQL, Kubernetes, Docker, APIs 🏢 Description: About the role This role focuses on building the product layer that turns advanced AI capabilities into useful, production-grade workflows. The engineer will design how AI agents plan and operate, interact with external tools, manage failures, recover from errors and deliver consistent value to users. This is an end-to-end engineering role covering frontend development, backend systems and AI integrations. What you will do - Build end-to-end product functionality across frontend, backend and AI integrations. - Design agent workflows covering planning, tool use, multi-step execution, failure handling and recovery. - Integrate LLMs, memory systems and external tools into applications that operate reliably under real-world conditions. - Design real-time AI interactions involving streaming, partial results and strict latency requirements. - Improve system reliability, observability and fallback mechanisms. - Collaborate closely with Machine Learning, backend and product teams to deliver functionality from concept to production. - Continuously improve the product based on real-world usage, evaluation results and observed failure modes. What we are looking for - Strong professional experience in full-stack engineering across frontend and backend systems. - Solid understanding of system design, distributed applications and API architecture. - Experience working with LLMs, RAG systems or other AI-powered applications. - Ability to operate effectively in ambiguous situations and make pragmatic engineering decisions. - Strong ownership and the ability to take functionality from an initial idea through implementation and production deployment. - Confidence working in a fast-moving environment with evolving product requirements. - Ability to collaborate effectively across engineering, Machine Learning and product teams. What success looks like - AI-native product features progress beyond basic chat interfaces into persistent, goal-oriented workflows. - Agent workflows reliably complete multi-step tasks across external tools and multiple user sessions. - AI interactions remain responsive and achieve low latency without compromising output quality. - Production systems include robust fallback and recovery mechanisms for LLM and external-tool failures. - The reliability and completion rate of AI workflows improve through continuous evaluation, monitoring and iteration. - Reusable patterns and abstractions support scalable integration of LLMs, memory and external tools. - The resulting product experience feels proactive, consistent and dependable to users. Technology stack - Next.js - Python - Node.js - PyTorch - OpenAI, Anthropic and open-source LLMs - SQL and NoSQL databases - Kubernetes - Docker Compensation and employment The position is offered under an employment contract. Compensation is assessed individually based on professional experience and technical capability, scope of responsibility, location and relevant market benchmarks, and expected impact on the product and organization. Candidates may share their expected compensation at the beginning of the recruitment process. The compensation package consists of a base salary and equity, with flexibility for exceptional candidates. A company laptop will be provided where required for the role. Remote work and global collaboration The organization operates remotely with globally distributed teams. There is no fixed company-wide working schedule or required time zone; team members must maintain sufficient overlap with immediate colleagues for effective collaboration. The successful candidate will work from Poland and collaborate with frontend, backend, Machine Learning and product specialists across different regions. Poland-based employees join existing global teams. The reporting line and hiring manager will be confirmed during the recruitment process. How the team works The role is part of a small, hands-on team where decisions are made collaboratively and individuals are expected to take ownership, bring structure to ambiguous problems and execute independently. The team balances production quality, experimentation and continuous learning from real user behavior. Recruitment process The standard process includes up to four stages: - Technical assessment, where relevant to the candidate’s background. - HR interview. - One or more technical interviews. - Founder or leadership interview. Particularly strong candidates may be fast-tracked directly to the technical interview stage based on experience and previous work. Applications are evaluated by members of the technical team. Interviews may be virtual and, where relevant, onsite; the exact format and interviewers may vary.

🏢 Summary: Full Stack Engineer role focused on building an AI-native assistant that delivers reliable, persistent, goal-oriented workflows. The position covers frontend, backend and AI integrations, including agent planning, external-tool use, LLM reliability and real-time interactions in a remote-first global team. 🗂️ Requirements: Professional full-stack engineering experience, Frontend and backend systems experience, System design expertise, Distributed applications knowledge, API architecture knowledge, LLM, RAG or AI-powered application experience, Production deployment ownership, Cross-functional collaboration with Engineering, Machine Learning and Product teams 📃 Skills: Next.js, Python, Node.js, PyTorch, OpenAI, Anthropic, LLMs, RAG, SQL, NoSQL, Kubernetes, Docker, APIs 🏢 Description: About the product The product is an AI-native assistant designed to support everyday communication, organization, errands and complex workflows with minimal user input. It must reliably manage long-running processes, retain context, interact with external tools and complete real-world tasks despite the non-deterministic nature of modern AI models. The objective is to make everyday activities significantly faster and easier for users. About the role We are looking for a Full Stack Engineer specializing in AI systems to build the product layer that transforms advanced AI capabilities into useful, production-grade workflows. You will help design how AI agents plan and operate, interact with external tools, manage failures, recover from errors and deliver consistent value to users. This is an end-to-end engineering role covering frontend development, backend systems and AI integrations. What you will do - Build end-to-end product functionality across frontend, backend and AI integrations. - Design agent workflows covering planning, tool use, multi-step execution, failure handling and recovery. - Integrate LLMs, memory systems and external tools into applications that operate reliably under real-world conditions. - Design real-time AI interactions involving streaming, partial results and strict latency requirements. - Improve system reliability, observability and fallback mechanisms. - Collaborate closely with Machine Learning, backend and product teams to deliver functionality from concept to production. - Continuously improve the product based on real-world usage, evaluation results and observed failure modes. What we are looking for - Strong professional experience in full-stack engineering across frontend and backend systems. - Solid understanding of system design, distributed applications and API architecture. - Experience working with LLMs, RAG systems or other AI-powered applications. - Ability to operate effectively in ambiguous situations and make pragmatic engineering decisions. - Strong ownership and the ability to take functionality from an initial idea through implementation and production deployment. - Confidence working in a fast-moving environment with evolving product requirements. - Ability to collaborate effectively across engineering, Machine Learning and product teams. What success looks like - AI-native product features progress beyond basic chat interfaces into persistent, goal-oriented workflows. - Agent workflows reliably complete multi-step tasks across external tools and multiple user sessions. - AI interactions remain responsive and achieve low latency without compromising output quality. - Production systems include robust fallback and recovery mechanisms for LLM and external-tool failures. - The reliability and completion rate of AI workflows improve through continuous evaluation, monitoring and iteration. - Reusable patterns and abstractions support scalable integration of LLMs, memory and external tools. - The resulting product experience feels proactive, consistent and dependable to users. Technology stack - Next.js - Python - Node.js - PyTorch - OpenAI, Anthropic and open-source LLMs - SQL and NoSQL databases - Kubernetes - Docker Compensation and employment The position is offered under an employment contract. Compensation is assessed individually based on professional experience and technical capability, scope of responsibility, location and relevant market benchmarks, and expected impact on the product and organization. Candidates may share their expected compensation at the beginning of the recruitment process. The compensation package consists of a base salary and equity, with flexibility for exceptional candidates. A company laptop will be provided where required for the role. Remote work and global collaboration The organization operates as a remote-first, globally distributed team. There is no fixed company-wide working schedule and no requirement to follow one specific time zone. Team members are expected to maintain sufficient working-hours overlap with their immediate colleagues to collaborate effectively. The successful candidate will work from Poland and collaborate with frontend, backend, Machine Learning and product specialists located across different regions. Poland-based employees join existing global teams rather than a separate local team. The exact reporting line and hiring manager will be confirmed during the recruitment process. How the team works Outstanding products are built by small, highly capable and hands-on teams. Decisions are made collaboratively, while individuals are expected to take ownership, bring structure to ambiguous problems and execute independently. The team moves quickly while balancing production quality, experimentation and continuous learning from real user behavior. There is no fixed hiring quota for this position; the focus is on engineers who meet the technical and ownership standards. Recruitment process The standard recruitment process consists of up to four stages: - Technical assessment, where relevant to the candidate’s background. - HR interview. - One or more technical interviews. - Founder or leadership interview. Particularly strong candidates may be fast-tracked directly to the technical interview stage based on their experience and previous work. Applications are evaluated by members of the technical team. Interviews may be conducted virtually and, where relevant, onsite. The exact format and interviewers may vary. Decisions are made efficiently, with candidates receiving a prompt outcome.

🏢 Summary: Develop and enhance scalable enterprise web platforms for international markets using Java 21+, Spring Boot, Angular 22+, and TypeScript. The role combines end-to-end feature delivery, REST API and UI development, clean architecture, and AI-assisted Spec Driven Development in a hybrid work model. 🗂️ Requirements: Experience building web applications, Strong Java and Spring Boot knowledge, REST API design skills, Angular and TypeScript proficiency, Knowledge of design patterns, SOLID and Clean Code, TDD experience, Document and relational database experience, English proficiency at B2 level, AI-assisted programming in the Spec Driven Development model 📃 Skills: Java, SpringBoot, Angular, TypeScript, REST, SOLID, TDD, MongoDB, PostgreSQL, AI, SDD 🏢 Description: We build and develop proprietary, scalable Enterprise-class platforms for international markets. Our systems comprehensively and intelligently manage complex business processes and lifecycles, handling millions of operations monthly. We are looking for people who don't want to write repetitive code in legacy systems. If you care about clean architecture, working with a modern tech stack, and the real-world application of AI tools in your daily coding – this role is for you. Core Tech Stack: Java 21+ / Angular 22+ How do we actually use AI in our daily work? In our team, AI is an engineering tool, not just a marketing buzzword. We operate within the Spec Driven Development paradigm: AI Agents Support: We use AI tools for the technical documentation of our modules, task specification, building technical plans, as well as verifying and testing tasks. Focus on Architecture: Thanks to the automation of tedious tasks, you get more time to design complex business logic and optimize system performance. Modern Environment: We work in an ecosystem integrated with advanced AI solutions (including Google Workspace AI). Your Profile: Experience in building and developing web applications Strong knowledge of Java and the Spring Boot ecosystem, along with the ability to design efficient REST APIs Proficiency in creating user interfaces using the Angular framework (TypeScript) Architectural thinking – understanding and practical application of design patterns and clean code principles (SOLID, Clean Code, TDD) Practical skills in working with document (e.g., MongoDB) and relational databases (e.g., PostgreSQL) English language skills at a min. B2 level, allowing for fluent communication within the team as well as reading and creating technical documentation Programming with the use of AI in the SDD (Spec Driven Development) model Nice to have: Understanding of complex enterprise products, business processes, or specific market regulations (generalized to fit the new intro) Experience in designing distributed systems, working with Docker/Kubernetes, and optimizing system performance Practical knowledge of DDD (Domain-Driven Design), Event-Driven Architecture, or advanced experience in automated testing (TDD, integration tests) Your Responsibilities: Development of proprietary Comarch products for Polish and international markets Designing, analyzing, and implementing solutions according to requirements Introducing new features and fixing bugs in existing applications Ensuring high code quality by applying good programming practices: Clean Code, Code Review Collaborating with the project team in software development and deploying new system versions within an agreed scope What We Offer: Private medical care (Allianz) - access to specialists and diagnostic tests for you and your loved ones Cafeteria system - you can choose full funding for a Multisport card or allocate funds for culture, recreation, sports, and shopping Hybrid work model after the onboarding period (2 days of remote work, 3 days from the office) Access to advanced AI and Google Workspace tools Participation in international projects carried out for enterprise and financial sector companies Professional career development - clear career paths for technical, business, and managerial expert roles Individual training and conference plan A friendly work atmosphere in tight-knit teams, fostered by integration events and joint initiatives for local communities Opportunities to participate in campaigns and events promoting an active lifestyle

🏢 Summary: Lead Agentic AI Engineer role focused on building AI-driven workflows that use location intelligence to take real-world action. The position involves integrating services and data sources, developing reusable agent tooling, and rapidly prototyping reliable LLM-based execution flows. 🗂️ Requirements: Hands-on experience in Rust, TypeScript, and/or Python, Experience with APIs, distributed systems, and service integration, Experience building LLM systems with structured tool interfaces, Strong system design and data-flow knowledge, Degree in Computer Science, Machine Learning, Data Science, related field, or equivalent experience 📃 Skills: Rust, TypeScript, Python, APIs, LLMs 🏢 Description: 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!

🏢 Summary: Join a remote B2B team as a Python Engineer building and deploying AI-driven LLM and NLP solutions. The role combines hands-on development of RAG, vector-search, and AI-agent workflows with client collaboration, technical decision-making, and product impact. 🗂️ Requirements: 5+ years of experience in software engineering, AI, ML, or a related field, Production experience with LLMs or NLP, Experience with RAG, vector search, or agent-based LLM architectures, Strong Python skills, Experience deploying models or pipelines with FastAPI, Strong communication skills, Polish at B2+ level, English at B2+ level 📃 Skills: Python, LLMs, NLP, RAG, FastAPI, NumPy, Pandas, Scikit-learn, Vector-search, Agents 🏢 Description: The role We're looking for an experienced Python Engineer to join our team and help build cutting-edge solutions using LLM technologies. If you enjoy having real impact on product direction, making key technical decisions, and working directly with clients- this role is for you. What you’ll do Work on the development and deployment of AI-driven features, ensuring timely delivery and continuous iteration Participate in client meetings to discuss progress, architecture, and system capabilities Build and improve LLM/NLP-based data extraction and analysis models Develop and orchestrate AI agents capable of handling multi-step, tool-augmented workflows Optimize system performance for real-time and large-scale applications Ensure statistical accuracy in lifecycle tracking and model evaluation Collaborate closely with product managers, engineers, and other stakeholders What we’re looking for 5+ years of experience in SE/AI/ML or a related field Hands-on experience with LLMs or NLP in production environments Experience with RAG, vector search, or agent-based LLM architectures Solid Python skills (NumPy, Pandas, Scikit-learn, etc.) Experience deploying models or pipelines using FastAPI Strong communication skills – your input will help shape the roadmap Comfortable working in a bilingual environment (Polish B2+, English B2+) Bonus points: Experience with Computer Vision What we offer 26 000 - 33 000 PLN net + VAT monthly, B2B 100% remote setup and flexible hours Private medical care, life insurance, and Multisport 🏃‍♂️‍➡️ Referral bonuses Equipment of your choice (MacBook by default) Interesting, challenging projects - we only take on the ones we believe in :-)