Software Engineer with Python - Generative AI Products

🏢 Summary: Full-time remote B2B role for a Software Engineer focused on Python backend development and implementation of Generative AI solutions for internal enterprise products. The position involves integrating LLM-based models via APIs, building microservices, and deploying production-ready AI applications in an Azure-based environment. Work is primarily backend development with partial focus on GenAI/LLM integration in a distributed Agile team. 🗂️ Requirements: Strong experience in Python backend development, Experience implementing LLM solutions via APIs, Understanding of Generative AI architectures and concepts, Experience building and consuming APIs, Experience with enterprise-scale systems, Ability to work in regulated or structured environments, English proficiency at B2 or higher 📃 Skills: Python, GenAI, LLM, API, Azure, AzureOpenAI, RAG, Microservices, REST, VectorDB, Git, Agile 🏢 Description: PROJECT DETAILS: Workload: Full-time Model of working: 100% Remote Contract: B2B, long-term Rate: up to 145 PLN/h nett + VAT About the Role We are looking for a Software Engineer to work on Generative AI–based internal products developed in the company, supporting internal employees. You will join a distributed, fully remote team working on one of two AI-related business streams. The focus of the role is on Python backend development combined with implementation of Generative AI solutions , closely collaborating with Data Scientists who prepare the models. The solutions you build will be used internally within the organization. Responsibilities Design, develop, and deploy backend solutions in Python Implement Generative AI models prepared by Data Scientists into production-ready applications Wrap AI models with application logic and expose them as ready-to-use internal solutions Work mainly with API-based integrations , including LLM usage via APIs Implement and support LLM-based solutions (classic LLM usage through APIs) Work with Retrieval-Augmented Generation (RAG) concepts, including knowledge bases for language models Develop and maintain APIs and microservices Ensure solutions meet enterprise-level quality, security, and governance standards Write clean, maintainable code with appropriate test coverage Collaborate within Agile teams (PM, PO, developers, QA, architects) Participate in the full lifecycle: Business analysis Development Hypercare Further development Technology & Architecture Context Backend and GenAI work is fully Python-based GenAI models are consumed and exposed via APIs Azure OpenAI is used as part of the Azure ecosystem Strong emphasis on correct and well-structured implementation of AI models , not on model training Approximate work split: 80% backend Python development 20% GenAI/LLM solution implementation Key Requirements Strong experience in Python backend development Experience implementing solutions using LLMs via API Understanding of Generative AI architectures and basic GenAI concepts Experience with enterprise-scale environments Experience in building and consuming APIs Ability to work in regulated or structured organizational environments English: C1 or strong B2 Nice to Have Experience in regulated industries Familiarity with RAG concepts (vector databases / knowledge bases) Experience working in large enterprise organizations

🏢 Summary: B2B Software Engineer (Python – GenAI) role focused on building and deploying AI-driven applications using AWS and Large Language Models. The position involves developing backend services, APIs, and microservices while ensuring high standards of security, testing, and CI/CD within an Agile environment. Hybrid work model with regular collaboration in Scrum teams. 🗂️ Requirements: Strong Python backend development, Hands-on experience with AWS services (Bedrock, DynamoDB, OpenSearch, CloudWatch, Step Functions), Practical knowledge of Generative AI and LLM technologies, Experience building REST APIs, Experience developing microservices, Understanding of CI/CD pipelines in AWS, Knowledge of DevOps practices, Experience working in Agile/Scrum teams 📃 Skills: Python, AWS, Bedrock, DynamoDB, OpenSearch, CloudWatch, StepFunctions, LLM, GenAI, REST, Microservices, CICD, DevOps, Agile 🏢 Description: Location: hybrid model. For candidates based in Warsaw, Gdańsk , or nearby areas, we require office presence once per week . For candidates located in other regions, office visits are required once per month (for workshops and team meetings). Team Structure: Agile/Scrum teams Contract B2B Rates depending on the years of the experience: 4-7 yrs: 147 PLN/h 7-10 yrs: 164 PLN/h 10+ yrs: 178 PLN/h Software Engineer (Python – GenAI) role is to contribute to the development and deployment of AI-driven applications, focusing on leveraging modern cloud services and generative AI technologies to provide innovative solutions for the organization. Main Responsibilities: Creating, developing, and deploying AI-based applications using AWS services. Developing and optimizing Large Language Model (LLM) based solutions tailored to real-world business cases. Building and maintaining APIs and microservices to efficiently serve solutions to customers. Ensuring all AI solutions adhere to security, development, and governance standards. Writing and maintaining unit tests, ensuring robust test coverage, and enforcing best coding practices (clean code, maintainability, and performance optimization). Creating clear, concise technical documentation for developed components. Working in Agile/Scrum teams to deliver high-quality applications. Key Requirements: Fluency in English. Strong command of Python for backend development. Hands-on experience with AWS services, including Amazon Bedrock, DynamoDB, OpenSearch, CloudWatch, and Step Functions. Understanding of Generative AI and LLM technologies. Proven experience in developing and maintaining RESTful APIs and microservices. Solid understanding of CI/CD pipelines and DevOps best practices within the AWS environment. Ability to thrive in an Agile environment and work effectively with multidisciplinary teams. Nice to Have: Experience working with vector databases. Knowledge of prompt engineering. Experience working with Azure services, including Azure VM, Azure DevOps, Azure Blob Storage, Cosmos DB, Azure Functions, Azure AI Search, and others.

🏢 Summary: Senior Full Stack Software Engineer role focused on building and scaling a production-ready AI product, covering feature development, infrastructure, and client integrations. The position involves hands-on work with Python, DevOps/MLOps, and GenAI solutions, ensuring system reliability and production readiness. This is a remote contract role with expected extensions. 🗂️ Requirements: Strong Python development experience, DevOps expertise with CI/CD pipelines, MLOps experience with automated deployment and monitoring, Experience building agentic AI products, Experience with API integrations, Hands-on experience with GenAI/LLM, Ability to harden systems for production, Experience fine-tuning AI models, Experience with prompt engineering 📃 Skills: Python, CI/CD, DevOps, MLOps, GenAI, LLM, APIs, Automation, Deployment, Monitoring, Fine-tuning, Prompt-engineering 🏢 Description: Location : Remote with occasional visits to Łódź Employment type : 2 months initial contract - to be extended, B2B/Umowa Zlecenie Salary: up to 160zł/hour (B2B) Senior Software Engineer – AI Product (Full Stack) We’re looking for a Senior Software Engineer to help build and scale a production-ready AI product. This is a hands-on, full-stack role covering feature development, infrastructure, and client integration. What you’ll do Design, build, and deploy new features in Python Own DevOps/MLOps: CI/CD pipelines, automated model deployment, monitoring Integrate AI solutions into client-facing products Improve system reliability, performance, and production readiness Enhance AI models through fine-tuning and prompt engineering Contribute to short-term R&D initiatives and product innovation Build and evolve internal systems for model evaluation and performance tracking Must-have Strong Python development experience DevOps & MLOps expertise (CI/CD, automation, deployment) Experience building agentic AI products and API integrations Hands-on GenAI/LLM experience (classic ML not required) Proven ability to harden systems for production Nice to have Experience building model evaluation/monitoring systems Fine-tuning, prompt engineering, and performance optimization Details Contract extensions expected If you enjoy building real-world AI products end-to-end—from models to production—we’d love to hear from you.

🏢 Summary: Hybrid AI Backend Python Developer role focused on building and integrating AI-driven backend systems for international startup and B2B projects. The position involves developing REST APIs, implementing RAG pipelines, and integrating LLMs and vector databases within scalable architectures. Work is done in Agile teams with responsibility for clean code, containerized deployments, and AI/ML integrations. 🗂️ Requirements: Proven experience with Python, Experience with Django, Django REST Framework or FastAPI, Strong knowledge of REST API development and integration, Experience with Django ORM or SQLAlchemy, Experience with Docker and containerization, Experience with Celery for distributed task processing, Knowledge of clean code principles and design patterns, Experience with Linux systems, Understanding of machine learning concepts and AI integration, Familiarity with LLMs, RAG architectures and GenAI APIs, Experience with vector databases, English level B2+ 📃 Skills: Python, Django, FastAPI, DRF, SQLAlchemy, Docker, Celery, Linux, REST, LLM, RAG, LangChain, LangGraph, Pinecone, pgvector, OpenAI, Anthropic, GitLab, Jenkins, AWS, Azure, GCP 🏢 Description: AI Backend Python Developer (Hybrid in Gdynia) 📍 Location: Gdynia / Hybrid (2 days remote) 💼 Type: B2B or Employment contract 💰 Salary: Depends on type of contract (B2B 15-20k B2B, 12450-16600 UoP) About Profil Software We’re a Software House from Gdynia with over 15 years of experience in creating innovative web and mobile applications using Python and JavaScript. Our team of 60+ experienced professionals — developers, testers, and UX designers — delivers high-quality software solutions for startups and SMBs across 10+ countries on 4 continents. We value a friendly working atmosphere, knowledge sharing, and continuous development. About the Role We’re looking for a AI Backend Developer (Python) with interest or experience in AI/ML and Generative AI, who will join our team and help deliver international projects for startups and B2B clients. You’ll work in Agile teams, collaborating closely with developers, designers, and testers. If you enjoy both coding and client collaboration, and want to work on projects that combine technology, data, and AI-driven innovation — you’ll fit right in. Your Responsibilities Develop and maintain backend solutions using Python (Django, Django REST Framework, FastAPI) Design and implement RESTful APIs and integrate with external systems Work with ORM tools such as Django ORM or SQLAlchemy Build and integrate AI - powered features (LLMs, GenAI APIs) into backend systems Implement RAG (Retrieval-Augmented Generation) pipelines and AI - driven search solutions Work with vector databases (e.g., pgvector, Pinecone) and hybrid search approaches Collaborate on ML / AI integrations and support ML lifecycle (basic MLOps practices) Write clean, efficient, and scalable code following best practices Deploy and maintain applications using Docker Collaborate with cross-functional teams in Agile environments Participate in code reviews and knowledge-sharing sessions What We Expect Proven experience with Python and frameworks such as Django, Django REST Framework , or FastAPI Solid understanding of API development and integration Experience with Django ORM or SQLAlchemy Knowledge of Docker and containerization best practices Experience with Celery for task queue management and distributed processing Strong grasp of clean code principles , design patterns , and software architecture Experience working with Linux systems Good understanding of machine learning concepts and AI systems integration Familiarity with LLMs , RAG architectures , and GenAI APIs (e.g., OpenAI, Anthropic, etc.) Experience or willingness to work with LangChain , LangGraph or similar frameworks Experience with vector databases (e.g., Pinecone, pgvector) Excellent problem-solving and troubleshooting skills English level B2+ (you’ll communicate with international clients) Nice to Have Experience with cloud platforms (AWS, Azure, or GCP) Hands-on experience with LangChain, LangGraph Experience with Generative AI (GenAI) solutions in production environments Basic knowledge of MLOps concepts (model deployment, monitoring, pipelines) Experience with CI/CD pipelines (e.g., GitLab CI, GitHub Actions, Jenkins) Basic understanding of Frontend technologies (React, Angular) Knowledge of Agile methodologies (Scrum, Kanban) Degree in Computer Science or related field What We Offer Hybrid work – 2 days in the office / 3 days remote Competitive salary based on experience Paid holidays for B2B contracts (employment option available) English lessons with a native speaker (twice a week) Access to training courses, workshops, and an online learning base Training budget + ability to request courses or books A workplace tailored to your needs – ergonomic setup, adjustable desk, and top-quality hardware Sponsored trips to conferences and tech meetups (Poland & abroad) Gym & personal trainer in the office Relaxation zone – meditation area & fun room (billiard, ping-pong, XBOX) Friendly, engaging atmosphere with competitions, board game evenings, and charity initiatives Monthly team lunches & integration meetings Co-funding for Medicover and MultiSport cards Startup atmosphere focused on collaboration, innovation, and growth Recruitment Process We believe in transparency — here’s what you can expect: 1️⃣ First stage – HR interview (remote): You’ll meet Weronika , our HR Specialist, who will tell you more about the role and learn about your experience and expectations. 2️⃣ Second stage – onsite meeting in Gdynia: You’ll visit our office in Gdynia to meet your potential Team Leader , see the workspace, and complete a short technical task related to the position. 3️⃣ Final stage – cooperation discussion (remote): An online meeting focused on potential collaboration and final details. 📩 Ready to build something great with us? Send your CV or GitHub/portfolio to recruitment@profil-software.com

🏢 Summary: Full-time remote B2B role for a Senior QA Engineer combining manual and automation testing within advanced technology and Generative AI projects. The position focuses on designing and expanding test automation solutions while actively contributing to modern QA practices. The role involves close collaboration with development teams and ownership of automation initiatives across projects. 🗂️ Requirements: Minimum 5 years of experience in test automation, Minimum 3 years of experience with Python, Hands-on experience in manual and automated testing, Experience with cloud environments (AWS or Azure), Ability to design and implement test automation solutions, Experience in defect identification and resolution process, Experience with SITACH, UAT, QAT, and security testing, ISTQB certification, Fluency in English, Fluency in Polish 📃 Skills: Python, AWS, Azure, Automation, Manual, QA, Cloud, AI, ISTQB, SITACH, UAT, QAT, Pentesting 🏢 Description: PROJECT DETAILS: Workload: Full-time Model of working: 100% Remote Contract: B2B, long-term 12-months+ Rate: depending on experience 5+ years: 110-125 PLN/h nett + VAT 7-8+ years: 130-140 PLN/h nett + VAT Senior QA Engineer - Manual & Automation (AI, Python, Cloud) We are looking for an experienced QA Engineer to join a growing QA team working on advanced technology projects , including exciting Generative AI initiatives . This is a great opportunity for someone who combines strong manual testing foundations with solid automation expertise and wants to play a visible role in shaping modern QA practices. What makes this opportunity interesting? You will join a supportive QA team made up of 1 QA Manager and 3 testers , where onboarding is described as smooth, well-organised, and team-driven. The company is strongly investing in test automation , so this role is ideal for someone who wants not only to work with automation but also to help expand it across the organisation. Your responsibilities Design, create, and execute manual and automated test cases Test new features and perform regression testing Identify, report, and help drive the resolution of defects together with development teams Participate in test planning , estimation, and prioritisation Design and implement test automation solutions , strategies, and concepts Collaborate with developers on automation scripts from early development stages Coordinate the execution of automated tests within assigned areas or projects Help grow and strengthen test automation practices across the company Coach and support the testing team in the area of automation Contribute to activities related to SITACH, UAT, QAT, and security testing / pentesting What we are looking for Fluency in English and Polish At least 5 years of experience in test automation 3+ years of experience with Python Hands-on experience in both manual and automated testing Knowledge of cloud environments such as AWS or Azure ISTQB certification Willingness to learn and work with AI-related solutions Nice to have Openness to working with changing or evolving technology stacks Experience in performance testing , ideally with Locust Experience with Xray, Zephyr , or similar test management tools Knowledge of Jira or Azure DevOps

🏢 Summary: Hybrid Python AI Developer role focused on building AI-powered services and automation solutions using Large Language Models and agent-based workflows. The position involves developing RAG-based bots and assistants, implementing agentic workflows, and collaborating on high-quality AI frameworks. It offers the opportunity to work on advanced LLM solutions in a dynamic, innovation-driven environment. 🗂️ Requirements: Minimum 3 years of experience in software development with Python, Practical knowledge of LangChain and LangGraph, Experience with RAG, embeddings, vector search, LLM agents, agentic workflows, tool calling, At least 1 year of hands-on experience with LLM models, RAG, and AI agents in real projects, Proficiency with Git (branch management, rebase, cherry-pick, revert, squash), Familiarity with Jira, Confluence, Bitbucket, Competent command of Polish, Communicative level of English, Legal right to work in the European Union 📃 Skills: Python, LangChain, LangGraph, RAG, LLM, Embeddings, VectorSearch, Git, Jira, Confluence, Bitbucket, Azure, React, Streamlit, Databricks, CosmosDB, Redis, Grafana 🏢 Description: Unleash the future of AI by building innovative Large Language Model solutions that redefine automation and intelligence. Warszawa-based opportunity with hybrid work model (4 days remote, 1 day in the office). As a Python AI Developer , you will be working for our client, a leading innovator in AI technology. You will contribute to developing cutting-edge services and applications supporting automation processes, leveraging advanced LLM solutions and agent-based workflows. This role offers a chance to be at the forefront of AI innovation and accelerate your career growth in a dynamic environment. Your main responsibilities: Build AI-powered services and applications in Python to support automation initiatives. Develop bots and assistants based on Large Language Models, including RAG solutions and multi-step task agents. Implement agentic workflows: define roles, manage tools, and oversee execution processes. Work with internal and new AI frameworks, ensuring high quality and alignment with best practices. Collaborate with cross-functional teams to troubleshoot, analyze issues, and optimize solutions. Maintain adherence to development standards and contribute to continuous improvement initiatives. Document system designs and participate in architectural discussions. You're ideal for this role if you have: Minimum 3 years of experience in software development, particularly with Python. Practical knowledge of LangChain and LangGraph. Experience with RAG, embeddings, vector search, LLM agents, agentic workflows, and tool calling. At least 1 year of hands-on experience with LLM models, RAG, and AI agents in real projects. Proficiency with Git, including branch management and commit operations (rebase, cherry-pick, revert, squash). Familiarity with Jira, Confluence, Bitbucket. Strong problem-solving skills and ability to work independently in a collaborative environment. It is a strong plus if you have: Knowledge of Azure AI Stack (AI Foundry, Azure OpenAI, Azure AI Search). Experience with React, Streamlit, Databricks, Cosmos DB, Redis, or Grafana. Understanding of ML fundamentals and fine-tuning LLMs. Skills in high-level system architecture design and documentation. Language Required for the role: Polish – competent command. English – communicative level. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data. Please be prepared for a live coding session during the interview process, where your technical skills will be thoroughly evaluated.

🏢 Summary: Senior Data Engineer role focused on building and optimizing data integration and retrieval solutions that power Generative AI systems, including AI agents and RAG pipelines. The position involves designing scalable data pipelines and Python-based microservices integrated with large-scale GenAI platforms. The engineer will contribute to architecture and ensure high performance, reliability, and security of data services. 🗂️ Requirements: 5+ years of experience in software or data engineering with strong focus on Python, Hands-on experience with FastAPI and microservices, Experience with API-driven architectures, Experience with databases or data platforms (MongoDB, PostgreSQL, Hadoop, BigQuery, Starburst or similar), Understanding of vector stores, embeddings or semantic search concepts, Experience with cloud platforms (GCP or Azure), Solid understanding of Unix/Linux environments, Strong debugging skills 📃 Skills: Python, FastAPI, Microservices, APIs, MongoDB, PostgreSQL, Hadoop, BigQuery, Starburst, GCP, Azure, Linux, Unix, Vectorstores, Embeddings, SemanticSearch, Debugging 🏢 Description: Senior Data Engineer (Python / GenAI) 📍 Location: Kraków, Poland (hybrid: 2 days in the office, 3 days remote) 📄 B2B Contract: 210 – 260 PLN / hour We are looking for a proactive Senior Data Engineer (Python / GenAI) to join an international team building advanced data integration and retrieval solutions powering Generative AI across the organization. You will work closely with Engineers, Architects and AI Specialists to design, build and optimize data flows that directly support AI agents, RAG pipelines and large‑scale GenAI applications. This role sits within a collaborative engineering environment and offers the opportunity to influence architecture, development standards and the overall quality of next‑generation AI‑driven systems. Key Responsibilities: Design and develop data integration components enabling GenAI models to access and process data from multiple internal systems. Build and maintain data transfer pipelines ensuring scalability, reliability and security. Develop Python‑based microservices (FastAPI) integrated with broader GenAI platforms. Work with vector stores, memory stores and RAG pipelines to optimize data retrieval and context generation for AI agents. Collaborate with cross‑functional teams to align data integrations with overall GenAI architecture. Implement monitoring, observability and performance tuning for data services. Participate in Agile ceremonies: sprint planning, reviews, retrospectives and daily stand‑ups. Requirements: 5+ years of experience in software or data engineering with strong focus on Python . Hands‑on experience with FastAPI , microservices and API‑driven architectures. Experience with databases and data platforms such as MongoDB, PostgreSQL, Hadoop, BigQuery, Starburst or similar. Understanding of vector stores , embeddings or semantic search concepts. Experience working with cloud platforms (GCP or Azure). Solid understanding of Unix/Linux environments. Strong debugging skills and ability to clearly communicate findings. Nice to Have: Experience with RAG pipelines , context engineering or evaluation systems. Knowledge of Google ADK or similar AI development toolkits. Experience with memory stores or caching systems. Exposure to GenAI platforms, LLM‑based solutions or AI agents. Familiarity with DevOps practices and CI/CD pipelines. What We Offer: Long‑term cooperation within a high‑impact, innovative AI programme. Real influence on architecture, engineering standards and data integration strategy. Work in a multicultural, distributed environment. Private medical care (LuxMed) and Multisport card. Stable B2B contract with competitive hourly rate. To learn more about Antal, please visit www.antal.pl

🏢 Summary: Experienced Python Engineer role focused on building and deploying AI-driven features using LLM technologies, with real impact on product direction and technical decisions. The position involves developing LLM/NLP models, orchestrating AI agents, optimizing performance for real-time applications, and collaborating directly with clients and cross-functional teams. Fully remote B2B role with competitive compensation and flexible working hours. 🗂️ Requirements: 5+ years of experience in Software Engineering, AI, ML or related field, Hands-on experience with LLMs or NLP in production environments, Experience with RAG, vector search or agent-based LLM architectures, Strong Python programming skills, Experience deploying models or pipelines using FastAPI, Ability to ensure statistical accuracy in model evaluation and lifecycle tracking, Fluency in Polish (B2+), Fluency in English (B2+) 📃 Skills: Python, LLM, NLP, RAG, VectorSearch, AgentArchitectures, NumPy, Pandas, Scikit-learn, FastAPI, MachineLearning, AI 🏢 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 :-)

🏢 Summary: Senior Software Engineer role focused on building and scaling backend services and AI-powered features using Scala and Python. The project involves integrating AI models and external AI services via APIs in a remote B2B engagement based in Poland. The contract is for 6 months with the possibility of extension. 🗂️ Requirements: Strong commercial experience with Scala, Strong proficiency in Python, Senior-level software engineering knowledge, Experience with testing, Experience with version control, Experience with CI/CD, Knowledge of Agile methodologies 📃 Skills: Python, Scala, LLMs, ElasticSearch, PHP, AWS, Azure, GCP, CI/CD, APIs, Agile 🏢 Description: Senior Software Engineer Skills: Python | Scala | AI models integration Project duration: 6 months with the possibility of extension B2B contract Remote work from Poland Scope of responsibilities: - Develop and maintain robust backend services using Scala and Python - Design, implement, and scale AI-powered features across the platform - Integrate internal and external AI services via APIs, including LLMs and similar AI platforms - Contribute to the continuous improvement of backend architecture and AI capabilities Required skills: - Strong commercial experience with Scala in production environments - Strong proficiency in Python - Senior-level understanding of software engineering best practices, including testing, version control, CI/CD, and Agile methodologies Nice-to-have: - Hands-on experience working with Large Language Models (LLMs) - Experience with AI-based transcription solutions or similar AI models - Knowledge of ElasticSearch - Experience integrating AI services through APIs - Experience with PHP development - Familiarity with public cloud AI services such as AWS, Azure, or GCP

🏢 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.