Senior AI-Driven Software Engineer

🏢 Summary: Senior Engineer role focused on independently delivering MVP features and Proofs of Concept end-to-end on an existing large-scale SaaS and data connector platform, with strong emphasis on practical use of LLMs and AI tools in daily development. The position involves backend-oriented full-stack development, rapid prototyping, and integration with cloud and CI/CD environments in a remote setup. 🗂️ Requirements: 4+ years of experience with Python, Full-stack development experience with strong backend focus, Knowledge of TypeScript, Knowledge of React, Hands-on experience using LLMs/AI tools in development workflows, Experience integrating with cloud services, Experience working with CI/CD pipelines, Professional level of English 📃 Skills: Python, TypeScript, React, LLM, AI, SaaS, CI/CD, Cloud 🏢 Description: Does building awesome, innovative products that add up to something meaningful sound like a dream come true? Come join us and make that vision a reality! About We are looking for a Senior Engineer who will independently deliver new MVP features and Proofs of Concept end-to-end. You will build on top of an existing large-scale SaaS and data connector platform, extending it with new ideas rather than starting in a pure greenfield. A key part of this role is the practical use of LLMs and AI tools in everyday development — to accelerate prototyping, coding, research and validation. Responsibilities Independently design and build MVP features and PoCs end-to-end Validate technical feasibility and provide pragmatic architecture decisions Use LLMs and AI tools to accelerate prototyping and exploration Implement clean, maintainable code Integrate with cloud services and CI/CD pipelines for fast delivery Collaborate with product/design to shape and refine early concepts Our offer Competitive salary on B2B contract Fully remote position Real impact and independence at work Individual career path Work-life balance A non-corporate atmosphere where innovation, personal growth, and teamwork thrive 100+ smart, curious & ambitious engineers What you bring 4+ years of experience with Python Full-stack skillset with strong backend orientation Knowledge of front-end technologies like TypeScript and React Demonstrated, hands-on use of LLMs/AI in real development workflows(e.g. code generation, refactoring, prototyping) Product mindset, speed, and autonomy in early-stage development Strong communication and teamwork skills — you’re proactive, listen with intention, and use clear writing to bring ideas to the table and keep everyone aligned. Professional level of English Benefits International Projects Small Teams Flat Structure Friendly Atmosphere Flexible Hours Individual Career Path We want your TALENT! Don’t hesitate and APPLY! We are happy to tell you more details about this position in a phone call. Our recruitment process is very fast and straightforward to ensure a great experience from the first interview to joining your dream team!

🏢 Summary: Senior Python Developer role focused on independently designing and delivering MVP features and Proofs of Concept on top of an existing large-scale SaaS and data connector platform. The position requires full ownership from idea to production, leveraging LLMs and AI tools to accelerate development and validation. It is a fully remote role emphasizing autonomy, fast experimentation, and scalable backend engineering. 🗂️ Requirements: 4+ years commercial experience with Python, Strong backend development experience, Experience building scalable systems, Ability to design and deliver MVPs and PoCs end-to-end, Experience integrating with cloud services, Experience with CI/CD pipelines, Hands-on use of LLMs/AI in development workflows, Ability to make pragmatic architecture decisions, Professional English proficiency 📃 Skills: Python, LLM, AI, SaaS, API, Cloud, CI/CD, React, TypeScript 🏢 Description: Does building awesome, innovative products that add up to something meaningful sound like a dream come true? Come join us and make that vision a reality! About We are looking for a Senior Python Developer who thrives in autonomy and enjoys building things from scratch — someone who prefers ownership over working in large, structured teams. In this role, you’ll independently deliver MVP features and Proofs of Concept end-to-end, building on top of an existing large-scale SaaS and data connector platform. This is not a typical corporate setup — we’re looking for someone with a startup mindset , who moves fast, experiments, and takes full responsibility for what they build. A key part of this role is the practical use of LLMs and AI tools in everyday development — to accelerate prototyping, coding, research, and validation. Responsibilities Independently design and build MVP features and PoCs end-to-end Take full ownership of solutions — from idea to production Validate technical feasibility and make pragmatic architecture decisions Leverage LLMs and AI tools to speed up development and exploration Write clean, maintainable, production-ready Python code Integrate with cloud services and CI/CD pipelines Collaborate with product/design when needed — but stay highly autonomous Our offer Competitive salary on B2B contract Fully remote position Real impact and independence at work Individual career path Work-life balance A non-corporate atmosphere where innovation, personal growth, and teamwork thrive 100+ smart, curious & ambitious engineers What you bring 4+ years of commercial experience with Python Strong backend focus and experience building scalable systems Experience working in startups or small teams — comfortable being a “go-to” person Ability to work independently and take full ownership of projects Hands-on experience using LLMs/AI in development workflows (e.g. prototyping, code generation, research) Product mindset, speed, and pragmatism Basic knowledge of frontend (e.g. React, TypeScript ) is a plus, not required Strong communication skills and proactive attitude Professional level of English Benefits International Projects Small Teams Flat Structure Friendly Atmosphere Flexible Hours Individual Career Path We want your TALENT! Don’t hesitate and APPLY! We are happy to tell you more details about this position in a phone call. Our recruitment process is very fast and straightforward to ensure a great experience from the first interview to joining your dream team!

🏢 Summary: Senior Software Engineer role focused on designing and building AI-powered backend systems that automate healthcare operations while supporting human workflows. The position involves hands-on system architecture, workflow orchestration, distributed systems, and AI process automation in a regulated environment. Remote-first work with required overlap with US Central Time. 🗂️ Requirements: 6+ years of experience building and maintaining production software systems, Strong experience designing and owning complex backend systems, Strong backend engineering skills, Experience with asynchronous, event-driven, or workflow-based distributed systems, Ability to work with 4–5 hour daily overlap with US team, Experience with AI or LLM-based systems and process automation, Strong spoken and written English communication skills, Ability to solve unclear problems with incomplete information, Self-motivated with strong ownership and responsibility 📃 Skills: TypeScript, Node.js, AI, LLM, Claude, Backend, APIs, HIPAA 🏢 Description: Please Note: Overlap with Central US Time required (until 20-21:00 CEST) We are a health technology company that helps older people and their families apply for important eldercare benefits, including Medicaid, Medicare, and VA programs. We work with healthcare, government systems, and people’s daily lives, so accuracy, reliability, and trust are very important. As the number of patients grows from hundreds to thousands, manual work is no longer enough. We are building AI-powered systems to automate routine tasks while keeping people involved for quality checks, difficult cases, and patient safety. Our goal is to make healthcare operations more scalable without losing the human connection. The Role We are looking for a Senior Software Engineer to lead the design and development of systems that combine AI automation with human workflows. This is an important role close to the core business. It is a fully hands-on position with no management duties or direct reports. You will not only build features, but also design systems, define best practices, and guide technical decisions as we grow. You should feel comfortable solving unclear problems, working closely with operations and product teams, and making smart decisions in a regulated environment. This role is a good fit for someone who enjoys system design, building reliable infrastructure, and taking ownership of their work. What You’ll Work On Designing workflow and orchestration systems for complex operations. Creating AI automations that handle routine tasks safely and send difficult cases to humans. Building systems where AI supports human work before, during, and after tasks. Managing long-running workflows that can last days or weeks. Connecting with external systems such as EVV platforms, insurers, government portals, and older messaging tools. Designing confidence scoring, auditing, and rollback systems for AI processes. Improving system reliability, monitoring, and error handling in production. Responsibilities Lead the technical design and development of scalable backend systems. Make and document architecture decisions with clear trade-offs. Create patterns for collaboration between AI systems and human workers. Work closely with operations teams to understand real-world issues and edge cases. Make sure systems are observable, auditable, and safe to run at scale. Identify technical risks early and suggest solutions. Maintain high standards for code quality, testing, and system design. Share knowledge and help improve the team’s technical standards through reviews and collaboration. What We’re Looking For Required 6+ years of experience building and maintaining production software systems. Strong experience designing and owning complex backend systems. Strong backend engineering skills (we use TypeScript and Node.js, but other languages are welcome). Experience with asynchronous, event-driven, or workflow-based distributed systems. Ability to work with a daily 4–5 hour overlap with the US team (until 20:00 or 21:00 Polish time). Comfortable working with unclear problems and incomplete information. Strong spoken and written English communication skills. Self-motivated with a strong sense of ownership and responsibility. Experience working with AI or LLM-based systems and process automation, such as using Anthropic’s API (Claude) or similar tools in business workflows. Nice to Have Experience in healthtech or other regulated industries. Knowledge of HIPAA and healthcare data privacy and security rules. Experience building systems with strict compliance or audit requirements. Experience with human review workflows. Experience integrating with unstable or legacy third-party APIs. Master’s or PhD in Computer Science, Engineering, or a related field. How We Work Remote-first company. Small, experienced teams with high trust and independence. Strong focus on system accuracy, reliability, and long-term maintenance. Practical and thoughtful use of AI, both for internal development and within our product. Direct connection to real users and operational impact.

🏢 Summary: Senior Software Engineer role focused on designing and building scalable backend systems that combine AI automation with human workflows in a regulated healthtech environment. The position involves hands-on system design, workflow orchestration, and development of reliable, auditable AI-powered processes integrated with external platforms. The engineer will lead technical decisions and ensure production-grade reliability, safety, and scalability. 🗂️ Requirements: 6+ years building and maintaining production software systems, Strong experience designing and owning complex backend systems, Strong backend engineering experience, Experience with asynchronous or event-driven distributed systems, Experience with workflow-based systems, Experience integrating AI or LLM-based systems into business workflows, Ability to design scalable, reliable, and auditable systems, Experience working with external or legacy APIs, Ability to overlap 4–5 hours with US time zone, Strong English communication skills 📃 Skills: TypeScript, Node.js, AI, LLM, Anthropic, Claude, APIs, DistributedSystems, EventDriven, Workflows, Backend, Architecture, Monitoring, Testing 🏢 Description: Please Note: Overlap with Central US Time required (until 20-21:00 CEST) We are a health technology company that helps older people and their families apply for important eldercare benefits, including Medicaid, Medicare, and VA programs. We work with healthcare, government systems, and people’s daily lives, so accuracy, reliability, and trust are very important. As the number of patients grows from hundreds to thousands, manual work is no longer enough. We are building AI-powered systems to automate routine tasks while keeping people involved for quality checks, difficult cases, and patient safety. Our goal is to make healthcare operations more scalable without losing the human connection. The Role We are looking for a Senior Software Engineer to lead the design and development of systems that combine AI automation with human workflows. This is an important role close to the core business. It is a fully hands-on position with no management duties or direct reports. You will not only build features, but also design systems, define best practices, and guide technical decisions as we grow. You should feel comfortable solving unclear problems, working closely with operations and product teams, and making smart decisions in a regulated environment. This role is a good fit for someone who enjoys system design, building reliable infrastructure, and taking ownership of their work. What You’ll Work On Designing workflow and orchestration systems for complex operations. Creating AI automations that handle routine tasks safely and send difficult cases to humans. Building systems where AI supports human work before, during, and after tasks. Managing long-running workflows that can last days or weeks. Connecting with external systems such as EVV platforms, insurers, government portals, and older messaging tools. Designing confidence scoring, auditing, and rollback systems for AI processes. Improving system reliability, monitoring, and error handling in production. Responsibilities Lead the technical design and development of scalable backend systems. Make and document architecture decisions with clear trade-offs. Create patterns for collaboration between AI systems and human workers. Work closely with operations teams to understand real-world issues and edge cases. Make sure systems are observable, auditable, and safe to run at scale. Identify technical risks early and suggest solutions. Maintain high standards for code quality, testing, and system design. Share knowledge and help improve the team’s technical standards through reviews and collaboration. What We’re Looking For Required 6+ years of experience building and maintaining production software systems. Strong experience designing and owning complex backend systems. Strong backend engineering skills (we use TypeScript and Node.js, but other languages are welcome). Experience with asynchronous, event-driven, or workflow-based distributed systems. Ability to work with a daily 4–5 hour overlap with the US team (until 20:00 or 21:00 Polish time). Comfortable working with unclear problems and incomplete information. Strong spoken and written English communication skills. Self-motivated with a strong sense of ownership and responsibility. Experience working with AI or LLM-based systems and process automation, such as using Anthropic’s API (Claude) or similar tools in business workflows. Nice to Have Experience in healthtech or other regulated industries. Knowledge of HIPAA and healthcare data privacy and security rules. Experience building systems with strict compliance or audit requirements. Experience with human review workflows. Experience integrating with unstable or legacy third-party APIs. Master’s or PhD in Computer Science, Engineering, or a related field. How We Work Remote-first company. Small, experienced teams with high trust and independence. Strong focus on system accuracy, reliability, and long-term maintenance. Practical and thoughtful use of AI, both for internal development and within our product. Direct connection to real users and operational impact.

🏢 Summary: Senior Software Engineer role focused on building AI-powered web-based reporting applications by transforming existing Power BI solutions into modern, interactive platforms. The position involves backend development, data integration, AI/LLM features, automated reporting workflows, and collaboration with stakeholders in an international team environment. 🗂️ Requirements: 5+ years of professional software development experience, Backend development experience with Python or C#, Experience building AI-powered or Generative AI applications, Experience integrating data from multiple sources, Strong SQL and database knowledge, Experience building reporting or business intelligence solutions, Problem-solving and data-driven mindset, Ability to work independently, Strong communication skills 📃 Skills: Python, C#, SQL, REST, Azure, OpenAI, PowerBI, React, AI, LLM, LangChain, SemanticKernel, Tableau, Looker, Grafana, Angular, Vue, ETL 🏢 Description: About the role We're looking for a Senior Software Engineer to join an exciting project focused on transforming traditional reporting into AI-powered web applications. You'll help redesign existing Power BI reports into custom-built reporting solutions that integrate data from multiple sources, refresh automatically, and provide users with intelligent, interactive insights powered by AI. If you enjoy building modern data-driven applications and working with the latest AI technologies, we'd love to hear from you. What you'll do Design and develop custom web-based reporting applications. Recreate and enhance existing Power BI reports using modern development technologies. Build integrations with multiple data sources and APIs. Develop AI-powered reporting features using Large Language Models (LLMs) and related technologies. Create automated data refresh and reporting workflows. Design interactive filtering, drill-down, and visualization capabilities. Collaborate with business stakeholders to understand reporting needs and translate them into technical solutions. Contribute to architectural decisions and best engineering practices. What we're looking for 5+ years of professional software development experience. Strong experience with modern backend development (Python, C#, or similar). Hands-on experience building AI-powered applications or working with Generative AI technologies. Experience integrating data from multiple sources. Strong SQL and database knowledge. Experience building reporting, dashboarding, or business intelligence solutions (Power BI, Tableau, Looker, Grafana, or similar). We value experience in designing and developing reporting solutions over expertise with any specific reporting tool. Excellent problem-solving skills and a data-driven mindset. Strong communication skills and the ability to work independently. Nice to have Experience with Power BI. Experience with Azure or other cloud platforms. Experience with OpenAI, Azure OpenAI, LangChain, Semantic Kernel, or similar AI frameworks. Front-end experience (React, Angular, Vue). Experience with data visualization libraries. Knowledge of ETL or data engineering concepts. What you'll get Opportunity to work on an innovative AI-driven reporting platform. Full-time contractor engagement. International team. Start date: ASAP . Technologies (indicative) Python • C# • SQL • REST APIs • Azure • OpenAI • Power BI • React • AI/LLMs • Data Integration

🏢 Summary: Senior Software Engineer role focused on developing scalable backend services and AI-powered features using Scala and Python in an international team. The position includes designing production-grade systems, API integrations, architectural decision-making, and supporting CI/CD processes in a fully remote B2B setup. 🗂️ Requirements: 7+ years of professional software development experience, Production experience with Scala, Strong Python knowledge, Experience building production-grade backend services, Knowledge of software engineering best practices, Experience with automated testing, Experience with version control systems, Experience with code review, Experience with CI/CD, Ability to design scalable and maintainable architecture, Ability to solve complex technical problems independently, Experience working in international teams, Advanced Polish language skills, English level B2 📃 Skills: Scala, Python, AI, API, CI/CD, LLM, Elasticsearch, AWS, Azure, GCP, PHP 🏢 Description: Poszukujemy doświadczonego Senior Software Engineera do międzynarodowego zespołu rozwijającego nowoczesne rozwiązania backendowe oraz funkcjonalności wykorzystujące technologie AI. Scala jest jedną z kluczowych technologii wykorzystywanych w projekcie, a istotna część codziennego developmentu realizowana jest również w Pythonie. Praca obejmuje rozwój skalowalnych usług backendowych, tworzenie nowych funkcjonalności oraz integracje z rozwiązaniami AI i zewnętrznymi usługami poprzez API. Szukamy osoby z dużym doświadczeniem w tworzeniu systemów produkcyjnych, która swobodnie porusza się w Scali i Pythonie, potrafi samodzielnie rozwiązywać złożone problemy techniczne oraz aktywnie uczestniczyć w podejmowaniu decyzji architektonicznych. Zakres obowiązków Tworzenie, utrzymanie i rozwijanie usług backendowych w Scali i Pythonie. Projektowanie skalowalnych i łatwych w utrzymaniu rozwiązań. Rozwój nowych funkcjonalności produktowych, w tym rozwiązań wykorzystujących AI. Integracja systemów z zewnętrznymi usługami poprzez API. Tworzenie czystego, testowalnego kodu produkcyjnego. Udział w podejmowaniu decyzji architektonicznych oraz code review. Dbanie o jakość, skalowalność, wydajność i bezpieczeństwo rozwijanych rozwiązań. Wsparcie i rozwój procesów CI/CD. Analiza oraz rozwiązywanie problemów występujących w środowisku produkcyjnym. Współpraca w ramach międzynarodowego zespołu. Wymagania Minimum 7 lat doświadczenia w profesjonalnym software development. Bardzo dobre doświadczenie produkcyjne w Scali. Dobra znajomość Pythona i doświadczenie w tworzeniu backendu klasy produkcyjnej. Doświadczenie w projektowaniu i rozwijaniu usług backendowych. Bardzo dobra znajomość dobrych praktyk software engineering. Doświadczenie z testami automatycznymi, kontrolą wersji, code review oraz CI/CD. Umiejętność projektowania skalowalnej i łatwej w utrzymaniu architektury. Samodzielność w analizowaniu i rozwiązywaniu złożonych problemów technicznych. Umiejętność efektywnej komunikacji i współpracy w międzynarodowym zespole. Znajomość języka polskiego na poziomie zaawansowanym. Znajomość języka angielskiego na poziomie B2. Mile widziane Komercyjne doświadczenie z LLM lub generatywną AI. Doświadczenie w integracji usług i modeli AI z systemami produkcyjnymi. Integracje z zewnętrznymi platformami poprzez API. Znajomość Elasticsearch. Doświadczenie z rozwiązaniami chmurowymi (AWS, Azure lub GCP). Znajomość PHP. Doświadczenie w rozwoju skalowalnych systemów. Wiedza z zakresu monitoringu, wydajności i optymalizacji kosztów infrastruktury. Oferujemy kontrakt B2B, stawka: daj znać, jaki poziom Cię interesuje praca zdalna, start projektu asap. Proces rekrutacyjny Screening. Rozmowa techniczna. Decyzja.

🏢 Summary: Senior Software Engineer (Python) role focused on building a strategic AI component (API gateway and orchestration layer) for a Martech/e-commerce ecosystem. The position involves designing and developing data-driven web applications and integrating AI/LLM-based solutions in a largely greenfield environment. Fully remote role within Poland. 🗂️ Requirements: 7+ years experience in commercial web application development with Python, Proficiency in building data-driven web applications, Practical application of SOLID principles, Experience with Domain-Driven Design, Minimum 2 years experience in Agile (Scrum/Kanban) environments, Experience in SQL database design and implementation, Knowledge of machine learning methods and algorithms, B2 level English proficiency 📃 Skills: Python, AWS, FastAPI, FastMCP, SQL, MySQL, MariaDB, Postgres, LLM, NLP, MachineLearning, SOLID, DDD, Scrum, Kanban, Agile 🏢 Description: Join the e-commerce team as a Senior Software Engineer (Python) and create innovative solutions powered by Artificial Intelligence and Large Language Models! Let’s talk about the role of: 🤓 Senior Software Engineer (Python) Ref. no: SSEP/04/2026/P 🎯 Project: You will take part in building a strategic component in the field of artificial intelligence (API gateway, orchestration layer) for a Martech/e-commerce solutions ecosystem. 99% of new functionalities. 💻STACK: Python, AWS, FastAPI, FastMCP 🏣Industry: Martech/E-commerce 📍 Fully remote, PL. What will you be doing on a daily basis? 🚀Design/architecture, develop, implement, and test web-based applications 🚀Collaborate with Product Design and Product Management to develop applications according to the defined specifications. 🚀Implement new features and maintain the existing codebase. 🚀Follow coding standards and best practices. 🚀Ensure quality, clean, tested code is produced (unit, integration, and other QA tests). 🚀Assist the Support and Engineering team in debugging and troubleshooting software defects 🚀Coach and mentor junior software engineers in the team. 🚀 Help create team and development processes, and selection of tools to assist in these efforts 🚀 Be proactive and contribute to the research and specification phases with Product Managers when exploring new product opportunities and features. What will help you get the job done? 🎯 7+ years of practical experience in the development of commercial-grade web-based software applications using Python. 🎯 Demonstrated proficiency with data-driven web applications. 🎯 Practical use of SOLID programming principles and Domain-Driven Design programming. 🎯 Nice to have: Experience working with Large Language Models (LLMs) and other NLP technologies in a multi-agent system. 🎯 2 or more years of competitive web development experience and working in a Scrum/Kanban/Agile environment. 🎯 Basic knowledge of machine learning methods and algorithms. 🎯 Demonstrated ability to work well with business analysts, programmers, and end users in a cross-functional team. 🎯 Experience with data model design, the implementation, and support of SQL databases (MySQL, MariaDB, Postgres). 🎯 Highly developed communications skills and impeccable written communication skills, a team player with an entrepreneurial spirit. 🎯 At least B2 English proficiency level. We offer you: 🎖️Vacation days, private medical packages (Luxmed or Medicover), and Benefits System (multi-sport). 🎖️ Supportive company culture – flat structure, strong teamwork, and openness to new ideas. 🎖️ Remote-first setup. Do you prefer slippers over shoes, or are you expecting an Amazon delivery? No worries, we’ve got you covered. Hello! I’m Ann, and I am responsible for this recruitment process. If you have any questions, please feel free to reach out. I will be happy to meet you! Contact details: 👩 💻 Anna Drzał 📧 e-mail:anna.drzal@hrcontact.co ☎️ +48 503 922 611 hrcontact.co CAZ: 11828

🏢 Summary: Senior Software Engineer (Python) role focused on building AI-driven components (API gateway and orchestration layer) for a Martech/e-commerce ecosystem. The position involves designing and developing data-driven web applications using Python and AWS, with strong emphasis on clean architecture and testing. Fully remote role within a product-oriented, Agile environment. 🗂️ Requirements: 7+ years commercial experience with Python web applications, Experience building data-driven web applications, Strong knowledge of SOLID principles, Experience with Domain-Driven Design, Experience with SQL databases (MySQL, MariaDB, Postgres), Minimum 2 years experience in Agile (Scrum or Kanban), Experience designing and implementing data models, Knowledge of machine learning methods and algorithms, Ability to write unit and integration tests, English proficiency at B2 level or higher 📃 Skills: Python, AWS, FastAPI, FastMCP, SQL, MySQL, MariaDB, Postgres, SOLID, DDD, LLMs, NLP, MachineLearning, Scrum, Kanban, Agile, DataModeling, Testing, APIs, Orchestration 🏢 Description: Join the e-commerce team as a Senior Software Engineer (Python) and create innovative solutions powered by Artificial Intelligence and Large Language Models! Let’s talk about the role of: 🤓 Senior Software Engineer (Python) Ref. no: SSEP/04/2026/P 🎯 Project: You will take part in building a strategic component in the field of artificial intelligence (API gateway, orchestration layer) for a Martech/e-commerce solutions ecosystem. 99% of new functionalities. 💻STACK: Python, AWS, FastAPI, FastMCP 🏣Industry: Martech/E-commerce 📍 Fully remote, PL. What will you be doing on a daily basis? 🚀Design/architecture, develop, implement, and test web-based applications 🚀Collaborate with Product Design and Product Management to develop applications according to the defined specifications. 🚀Implement new features and maintain the existing codebase. 🚀Follow coding standards and best practices. 🚀Ensure quality, clean, tested code is produced (unit, integration, and other QA tests). 🚀Assist the Support and Engineering team in debugging and troubleshooting software defects 🚀Coach and mentor junior software engineers in the team. 🚀 Help create team and development processes, and selection of tools to assist in these efforts 🚀 Be proactive and contribute to the research and specification phases with Product Managers when exploring new product opportunities and features. What will help you get the job done? 🎯 7+ years of practical experience in the development of commercial-grade web-based software applications using Python. 🎯 Demonstrated proficiency with data-driven web applications. 🎯 Practical use of SOLID programming principles and Domain-Driven Design programming. 🎯 Nice to have: Experience working with Large Language Models (LLMs) and other NLP technologies in a multi-agent system. 🎯 2 or more years of competitive web development experience and working in a Scrum/Kanban/Agile environment. 🎯 Basic knowledge of machine learning methods and algorithms. 🎯 Demonstrated ability to work well with business analysts, programmers, and end users in a cross-functional team. 🎯 Experience with data model design, the implementation, and support of SQL databases (MySQL, MariaDB, Postgres). 🎯 Highly developed communications skills and impeccable written communication skills, a team player with an entrepreneurial spirit. 🎯 At least B2 English proficiency level. We offer you: 🎖️Vacation days, private medical packages (Luxmed or Medicover), and Benefits System (multi-sport). 🎖️ Supportive company culture – flat structure, strong teamwork, and openness to new ideas. 🎖️ Remote-first setup. Do you prefer slippers over shoes, or are you expecting an Amazon delivery? No worries, we’ve got you covered. Hello! I’m Ann, and I am responsible for this recruitment process. If you have any questions, please feel free to reach out. I will be happy to meet you! Contact details: 👩 💻 Anna Drzał 📧 e-mail:anna.drzal@hrcontact.co ☎️ +48 503 922 611 hrcontact.co CAZ: 11828

🏢 Summary: Senior Software Engineer (Python) role in a fully remote Martech/e-commerce project focused on building an AI-powered strategic component, including an API gateway and orchestration layer. The position involves designing and developing data-driven web applications using Python and AWS, with strong emphasis on clean architecture and quality. You will also mentor junior engineers and contribute to product discovery and technical decision-making. 🗂️ Requirements: 7+ years commercial experience with Python, Experience building data-driven web applications, Knowledge of SOLID principles, Experience with Domain-Driven Design, Minimum 2 years experience in Agile (Scrum/Kanban) environments, Experience designing and supporting SQL databases (MySQL, MariaDB, Postgres), Basic knowledge of machine learning algorithms, Ability to work in cross-functional teams, B2 level English proficiency 📃 Skills: Python, AWS, FastAPI, FastMCP, SQL, MySQL, MariaDB, Postgres, LLM, NLP, MachineLearning, Scrum, Kanban, Agile, DDD, SOLID 🏢 Description: Join the e-commerce team as a Senior Software Engineer (Python) and create innovative solutions powered by Artificial Intelligence and Large Language Models! Let’s talk about the role of: 🤓 Senior Software Engineer (Python) Ref. no: SSEP/04/2026/P 🎯 Project: You will take part in building a strategic component in the field of artificial intelligence (API gateway, orchestration layer) for a Martech/e-commerce solutions ecosystem. 99% of new functionalities. 💻STACK: Python, AWS, FastAPI, FastMCP 🏣Industry: Martech/E-commerce 📍 Fully remote, PL. What will you be doing on a daily basis? 🚀Design/architecture, develop, implement, and test web-based applications 🚀Collaborate with Product Design and Product Management to develop applications according to the defined specifications. 🚀Implement new features and maintain the existing codebase. 🚀Follow coding standards and best practices. 🚀Ensure quality, clean, tested code is produced (unit, integration, and other QA tests). 🚀Assist the Support and Engineering team in debugging and troubleshooting software defects 🚀Coach and mentor junior software engineers in the team. 🚀 Help create team and development processes, and selection of tools to assist in these efforts 🚀 Be proactive and contribute to the research and specification phases with Product Managers when exploring new product opportunities and features. What will help you get the job done? 🎯 7+ years of practical experience in the development of commercial-grade web-based software applications using Python. 🎯 Demonstrated proficiency with data-driven web applications. 🎯 Practical use of SOLID programming principles and Domain-Driven Design programming. 🎯 Nice to have: Experience working with Large Language Models (LLMs) and other NLP technologies in a multi-agent system. 🎯 2 or more years of competitive web development experience and working in a Scrum/Kanban/Agile environment. 🎯 Basic knowledge of machine learning methods and algorithms. 🎯 Demonstrated ability to work well with business analysts, programmers, and end users in a cross-functional team. 🎯 Experience with data model design, the implementation, and support of SQL databases (MySQL, MariaDB, Postgres). 🎯 Highly developed communications skills and impeccable written communication skills, a team player with an entrepreneurial spirit. 🎯 At least B2 English proficiency level. We offer you: 🎖️Vacation days, private medical packages (Luxmed or Medicover), and Benefits System (multi-sport). 🎖️ Supportive company culture – flat structure, strong teamwork, and openness to new ideas. 🎖️ Remote-first setup. Do you prefer slippers over shoes, or are you expecting an Amazon delivery? No worries, we’ve got you covered. Hello! I’m Ann, and I am responsible for this recruitment process. If you have any questions, please feel free to reach out. I will be happy to meet you! Contact details: 👩 💻 Anna Drzał 📧 e-mail:anna.drzal@hrcontact.co ☎️ +48 503 922 611 hrcontact.co CAZ: 11828

🏢 Summary: Senior Backend Engineer responsible for designing, building, and maintaining production-grade backend systems that power AI-driven business automation. The role covers full ownership from system design to deployment, focusing on scalable, reliable distributed systems and cloud infrastructure. This is a Warsaw-based, office role with strong emphasis on technical leadership and AI-supported development workflows. 🗂️ Requirements: Senior-level experience in backend engineering on production systems, Strong Python programming skills, Experience with distributed systems concepts, Experience with cloud platforms (AWS, Azure, or similar), Knowledge of SQL and NoSQL databases, Ability to design, implement, and deliver systems to production, Strong written and spoken communication skills, Regular use of AI tools in development workflows 📃 Skills: Python, AWS, Azure, SQL, NoSQL, DistributedSystems, Concurrency, AsynchronousProcessing, APIs, Cloud, GitHubCopilot, OpenAI, Claude, TypeScript 🏢 Description: About Us Many companies want to use AI agents, but these agents often struggle with real business tasks. We solve this problem by building a platform that helps AI understand business rules, workflows, and processes. This allows AI to make better decisions and provide accurate, reliable, and compliant results. Well-known companies from different industries use our technology to automate up to 85% of customer cases, reduce handling time by 20–25%, and complete tasks that used to take hours in just seconds. We also work with leading technology partners and have been recognized for our innovative approach. Our goal is to help people everywhere get better answers through AI. Job Description We are looking for a Senior Backend Engineer who can take ownership of important systems instead of only completing assigned tasks. You will solve complex problems, design backend solutions, build them, and make sure they run well in production. We want someone with strong technical skills, good communication, and the ability to create simple, reliable, and easy-to-maintain systems. This is a product engineering role with responsibility from system design to production. The position is based in Warsaw and requires office work. Responsibilities Design and develop backend services, APIs, data processing, and background tasks for production systems. Turn unclear business needs into clear technical plans and practical solutions. Maintain services after release by improving reliability, monitoring, performance, and fixing issues. Make good decisions about system architecture, data models, interfaces, and future scaling. Write technical documentation, architecture notes, and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers to deliver complete solutions. Improve development processes using AI tools, automation, and internal workflows. Support the team through code reviews, design reviews, and practical technical leadership. Requirements Strong experience as a senior backend engineer working on production systems. Excellent Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failure handling, data consistency, asynchronous processing, and service design. Experience with cloud platforms such as AWS, Azure, or similar services. Knowledge of SQL, NoSQL databases, schema design, and performance optimization. Ability to take a project from an idea through design and implementation to production. Strong written and spoken communication skills with the ability to explain technical topics clearly. Regular use of AI tools in everyday development and interest in improving AI-based workflows. Nice to Have Experience with LLM-based applications, search systems, AI infrastructure, or large data pipelines. Knowledge of TypeScript or the ability to contribute to frontend development when needed. Experience guiding other engineers and influencing technical decisions without being a formal manager. What We Offer B2B contract and company stock options. MacBook Pro for work. Modern technology stack and opportunities to contribute to open-source projects. Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, and MCP servers. Our Culture and Values Our leadership team has strong experience in AI and knowledge management. We have secured more than $60 million in funding and achieved three years of continuous 3x growth. Our work is based on these values: Quality – We aim for excellent work and high coding standards. Momentum – We take initiative and keep projects moving forward. Accountability – We take responsibility and give honest, respectful feedback. Hard Work – We believe great results come from teamwork and consistent effort. Learning Agility – We stay curious, learn from mistakes, and improve every day. Adapt and Thrive – We accept change and see challenges as opportunities. Win Together – We succeed as one team through honesty, openness, and support for our shared mission.