Java Full stack with React.js or Angular / Warsaw

🏢 Summary: Senior Full Stack Java Developer role focused on building secure, scalable enterprise applications in the fintech and payments domain. The position covers full-stack development, AI-assisted engineering, and CI/CD automation within a modern microservices architecture. The role involves end-to-end delivery from design to deployment in a hybrid work model. 🗂️ Requirements: 5+ years commercial experience with Java, Strong expertise in SpringBoot, Strong expertise in SpringSecurity, Strong expertise in Hibernate and JPA, Experience building REST APIs, Experience with microservices and distributed systems, Solid knowledge of HTML5 CSS3 JavaScript, Hands-on experience with React Angular or Vue, Experience with Jenkins pipelines, Experience with Docker and Kubernetes, Experience with MySQL PostgreSQL or Oracle, Knowledge of software architecture and design patterns, Experience working in Agile Scrum, Understanding of cryptography encryption digital signatures and key management, Experience writing unit and integration tests using JUnit and Mockito 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, JPA, REST, Microservices, HTML5, CSS3, JavaScript, React, Angular, Vue, Jenkins, Docker, Kubernetes, MySQL, PostgreSQL, Oracle, JUnit, Mockito, CICD, Agile, Scrum, Cryptography, Encryption, DigitalSignatures, KeyManagement, DesignPatterns 🏢 Description: 🚀 Senior Full Stack Java Developer 📍 Hybrid | 1 day from the office in Gdańsk or Warsaw Are you an experienced Full Stack Developer passionate about building secure, scalable applications and leveraging the latest AI-powered development tools? Join our team and help shape innovative solutions within the payments and fintech space. We're looking for a Senior Software Engineer who combines strong Java expertise with a modern engineering mindset and enthusiasm for Agentic AI technologies such as GitHub Copilot, ChatGPT, Claude, and Cline. 💡 Your Mission As a Senior Full Stack Java Developer, you will: 🔧 Development & Engineering Design, develop, and maintain enterprise-grade full-stack applications. Build scalable backend services using Java, Spring Boot, and Spring Security. Develop modern, responsive user interfaces using React, Angular, or Vue.js. Optimize database interactions using Hibernate/JPA. Design and implement secure solutions for handling sensitive financial data. Participate in the full software development lifecycle—from concept to deployment. 🤖 AI-Powered Development Utilize Agentic AI tools to accelerate development and improve code quality. Apply AI solutions for coding, testing, documentation, and troubleshooting. Explore and adopt emerging AI technologies to enhance engineering efficiency. Share AI best practices and drive innovation within the team. ⚙️ CI/CD & DevOps Build and maintain Jenkins CI/CD pipelines. Automate testing, deployment, and release processes. Improve development workflows and delivery speed. ✅ Quality & Testing Create and maintain unit and integration tests using JUnit and Mockito. Participate in code reviews and quality assurance initiatives. Debug and solve complex technical challenges. 🤝 Collaboration Work closely with Product Managers, QA Engineers, Designers, and fellow Developers. Participate in Agile/Scrum ceremonies. Contribute to technical documentation and knowledge sharing. 🎯 Must-Have Skills Backend ✔️ 5+ years of commercial Java development experience ✔️ Strong expertise in: Java Spring Boot Spring Security Hibernate/JPA ✔️ Experience building RESTful APIs ✔️ Experience with microservices and distributed systems Frontend ✔️ Solid knowledge of: HTML5 CSS3 JavaScript ✔️ Hands-on experience with: React Angular Vue.js DevOps & Infrastructure ✔️ Jenkins CI/CD ✔️ Docker & Kubernetes ✔️ MySQL, PostgreSQL, or Oracle Engineering Practices ✔️ Software architecture and design patterns ✔️ Agile/Scrum methodologies ✔️ Understanding of cryptography, encryption, digital signatures, and key management ⭐ Nice to Have Experience with AWS, Azure, or GCP Android or iOS development experience Open-source contributions Technical blogging or community involvement 💳 FinTech & Payments Experience 2+ years in fintech, payments, or financial services will be great (nice to have) Knowledge of ISO 8583, EMV, and PCI DSS Experience with HSMs and key management systems Familiarity with tokenization and real-time payment systems Understanding of financial compliance and regulations 🎁 What You'll Get ✨ Opportunity to work on innovative fintech products ✨ Exposure to cutting-edge AI-powered development practices ✨ Hybrid work model (Gdańsk or Warsaw) ✨ Collaborative and supportive engineering culture ✨ Influence on architecture and technical decisions ✨ Continuous learning and professional growth opportunities 🚀 Ready to build the future of fintech with AI-enhanced engineering? Apply now and join a team where modern technology, innovation, and engineering excellence come together.

🏢 Summary: Senior Fullstack Engineer role focused on delivering full-stack solutions within an AI-integrated SDLC where AI is embedded across planning, development, review, testing, and deployment. The position combines backend and frontend engineering with AI orchestration, automation, and cloud-native architecture in a remote-first setup. The engineer will also evolve shared AI toolchains and contribute to architectural and code quality standards. 🗂️ Requirements: Team-level AI-integrated SDLC experience across planning, development, review, testing, deployment, Shared AI toolchain management under version control, Hands-on use of Claude Code, GitHub Copilot, Cursor or equivalent as team tools, Building and maintaining custom AI skills and sub-agents for team use, Experience with parallel AI agent orchestration, Spec-driven development using OpenAPI, ADRs, PRDs as AI context, AI-assisted code review integrated into PR process, Working knowledge of AI orchestration frameworks, Backend development with .NET / C# and ASP.NET Core, Frontend development with TypeScript and React or Angular, Experience with SQL databases and ORM frameworks, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Experience with cloud platforms (Azure, AWS, or GCP) 📃 Skills: C#, .NET, ASP.NET, SQL, SQLServer, PostgreSQL, EFCore, OAuth, JWT, Python, Java, Node.js, TypeScript, JavaScript, React, Angular, LangChain, LlamaIndex, CrewAI, Docker, Kubernetes, GitHubActions, AzureDevOps, Azure, AWS, GCP, OpenAPI, CQRS, DDD, EventSourcing, Microservices 🏢 Description: We are looking for a Senior Fullstack Engineer who combines deep technical expertise with real, team-level experience working in an AI-integrated software development lifecycle. Individual use of AI coding assistants is not sufficient for this role. We are specifically looking for engineers who have worked in teams where AI was embedded into every phase of delivery — from planning and design through development, review, testing, and deployment. We follow a remote-first setup with no mandatory regular office visits for this position. From time to time, you may be invited to join in-person meetings in one of our offices (Warsaw, Lodz, Wroclaw, Gdansk, or Bialystok), for example for client visits or team reunions. AI-First Requirements Experience working in an AI-enabled engineering team is mandatory — not a personal workflow preference. You have been part of a team where AI was systematically embedded across all delivery phases: planning, development, review, testing, and deployment. You can speak from direct experience about how it worked, what failed, and what you would change. Specific mandatory requirements: Team-level AI-integrated SDLC experience — shared toolchain, shared configurations, shared assets under version control Hands-on with Claude Code, GitHub Copilot, Cursor, or equivalent as a team tool, not only personal usage Built and maintained custom skills and sub-agents used across a team, not just personally Experience with parallel agent orchestration for concurrent workstream execution Disciplined plan → review plan → execute approach with AI involved at every phase Maintained shared prompt libraries, skill repositories, or agent configurations in version control AI-assisted code review integrated into the PR process: CodeRabbit, Copilot review, or similar Experience with spec-driven or document-driven development where structured specifications (OpenAPI, ADRs, PRDs) serve as AI context inputs, not just human references Working knowledge of at least one AI orchestration framework: LangChain, LlamaIndex, Microsoft Agent Framework, CrewAI, or equivalent Automation-first mindset: proactively identify repetitive or inefficient parts of current work and automate them using AI and other available tools. Cost-aware AI usage: understanding how AI credits are consumed across different tools, models, and workflows, and ability to choose the most appropriate model or approach for each task. Technical Requirements Backend: .NET / C#, ASP.NET Core, SQL Server / PostgreSQL, EF Core, OAuth 2.0 / JWT. Python, Java, or Node.js is a strong plus. Frontend: TypeScript, JavaScript, React(preferable) and/or Angular, state management, async patterns, frontend testing. Architecture: Full spectrum from monolith to microservices — DDD, CQRS, Event Sourcing, event-driven design, message brokers. Infrastructure: Docker, Kubernetes, CI/CD (GitHub Actions / Azure DevOps), Azure / AWS / GCP, structured observability. Responsibilities Deliver full-stack features to a high standard of quality, performance, and reliability Contribute to architectural decisions and system design trade-offs Evolve and maintain the team's shared AI toolchain across all SDLC phases Conduct code reviews including AI-assisted tooling; uphold and enforce engineering best practices Proactively surface risks, bottlenecks, and security concerns Communicate and collaborate directly with clients in English Mentor engineers on both technical fundamentals and AI-augmented workflow practices Professional Qualities Ownership mindset · Strong written and verbal English · Comfortable in client-facing roles · Raises the AI workflow maturity of those around them

🏢 Summary: Senior Full Stack Engineer role focused on building AI-powered enterprise product features across frontend and backend systems in a fully onsite Warsaw office. The position involves owning the full development lifecycle, collaborating with product and design teams, and improving performance, reliability, and user experience. The company offers a modern AI-focused engineering environment, B2B contract, stock options, and opportunities to work with enterprise-scale AI solutions. 🗂️ Requirements: Senior-level experience building production web applications, Frontend experience with React, Frontend experience with TypeScript or similar frameworks, Backend experience designing APIs and backend services, Experience working with full-stack architectures and data flows, Ability to make technical decisions balancing scope, quality, and delivery time, Security-focused mindset and experience handling sensitive data, Experience collaborating with engineering, product, and design teams, Experience using AI tools in software development workflows, Availability to work onsite in Warsaw 5 days a week 📃 Skills: React, TypeScript, Python, Node.js, APIs, AI, Claude, OpenAI, Codex, GitHub, Copilot 🏢 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 processes 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 Senior Full Stack Engineer who enjoys building complete product solutions from start to finish. In this role, you will understand customer needs, design the right technical solution, build new features, and improve them after release. You will work across both frontend and backend, taking ownership of the whole development process - from the first idea to production. The position is based in Warsaw and requires working from the office. Responsibilities Build and deliver product features across both frontend and backend. Turn product ideas into practical technical solutions with the right scope and priorities. Work across the full technology stack, including user interfaces, backend logic, APIs, and data flows. Work closely with product managers and designers, even when requirements are still changing. Improve usability, performance, reliability, and overall product quality. Monitor applications after release, analyze logs and system data, and continue improving the product. Use AI tools every day to improve development speed, workflows, and engineering processes. Maintain high standards for code quality, testing, and long-term ownership. Requirements Strong senior-level experience building and delivering production web applications. Strong frontend skills with React, TypeScript, or a similar modern web framework. Good backend experience designing APIs, backend services, and data flows. Strong product thinking with the ability to improve user experience and simplify complex workflows. Good judgment when making technical decisions and balancing scope, quality, and delivery time. A security-focused approach and experience handling sensitive data. Good communication skills and experience working with engineering, product, and design teams. Experience using AI tools as part of your daily software development work. Nice to have Experience building AI-powered products such as chat applications, search, recommendation systems, workflows, or AI agents. Experience with Python, Node.js, or both. Experience leading product areas with a high level of ownership. Good understanding of web performance, accessibility, and production quality. 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 has strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Senior Full Stack Engineer role focused on building enterprise-grade Java applications with end-to-end ownership across backend, frontend, security, and CI/CD. The position requires daily commercial use of Agentic AI tools to accelerate development, testing, and code quality. You will design secure, scalable systems using modern Java frameworks and DevOps practices. 🗂️ Requirements: 5+ years commercial experience with Java, Proven commercial experience using AI-powered development tools, Strong proficiency in Spring Boot, Strong proficiency in Spring Security, Strong proficiency in Hibernate or JPA, Experience with HTML5, CSS3, and JavaScript frameworks, Hands-on experience with React, Angular, or Vue, Strong experience designing and maintaining Jenkins CI/CD pipelines, Experience with Docker and Kubernetes, Experience designing RESTful APIs, Solid understanding of cryptography and secure key management, Experience with JUnit and Mockito for automated testing 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, JPA, SQL, MySQL, PostgreSQL, Oracle, JavaScript, HTML5, CSS3, React, Angular, Vue, Jenkins, Docker, Kubernetes, REST, GitHubCopilot, ChatGPT, Claude, Cline, JUnit, Mockito, Cucumber, Cryptography, CI/CD, Agile, Scrum 🏢 Description: We are seeking a Senior Full Stack Engineer to join our development team, focusing on building robust Java-based enterprise applications while heavily leveraging Agentic AI tools to drive efficiency and innovation. In this role, you will be responsible for the end-to-end software development lifecycle, from backend services and database optimization to user-friendly frontend interfaces and secure CI/CD pipelines. A crucial aspect of this position is the daily, hands-on integration of AI-powered development tools to accelerate coding, code review, and problem-solving. Tech Stack: Java, Spring Boot, Spring Security, Hibernate ORM, SQL (MySQL/PostgreSQL/Oracle), JavaScript (React/Angular/Vue.js), Jenkins, Docker, Kubernetes, RESTful APIs, Agentic AI (GitHub Copilot, ChatGPT, Claude, Cline) Responsibilities: Design, develop, and maintain full-stack applications using Java and modern web technologies. Integrate Agentic AI tools (like GitHub Copilot, ChatGPT, Claude, and Cline) into daily development workflows to accelerate coding, code reviews, testing, and documentation. Design, build, and maintain Jenkins CI/CD pipelines to optimize automated builds, tests, and deployments. Implement robust cryptographic solutions and security protocols to protect sensitive data. Write comprehensive unit and integration tests using JUnit, Mockito, and Cucumber to ensure high reliability. Share best practices for AI tool usage across the team and continuously evaluate emerging Agentic AI technologies. Debug complex technical issues, participate in code reviews, and collaborate closely with product, design, and QA partners within an Agile/Scrum framework. Min requirements: COMMERCIAL EXPERIENCE WITH AI TOOLS IS OBLIGATORY: You must have proven, commercial experience using AI-powered development tools (e.g., GitHub Copilot, ChatGPT, Claude, Cline) to accelerate software delivery. 5+ years of hands-on software development experience with Java . Strong proficiency in Spring Boot , Spring Security , and Hibernate/JPA . Solid experience with frontend technologies (HTML5, CSS3, JavaScript, and frameworks like React, Angular, or Vue.js). Strong, hands-on experience designing and maintaining Jenkins CI/CD pipelines . Solid understanding of cryptography (encryption/decryption, digital signatures, and secure key management). Experience with containerization (Docker, Kubernetes) and designing RESTful web services. Strong background in automated testing (JUnit, Mockito). Would be a plus: 2+ years of experience in payment processing, fintech, or financial services. Knowledge of payment protocols (ISO 8583, EMV), PCI DSS compliance, and financial regulations. Experience with HSMs (Hardware Security Modules) and payment-industry cryptographic standards. Experience with microservices, distributed systems, and cloud platforms (AWS, Azure, or GCP). Knowledge of Android or iOS app development. Contributions to open-source projects or active technical blogging. We offer: Opportunity to work on bleeding-edge projects Work with a highly motivated and dedicated team Competitive salary Flexible schedule Benefits package - medical insurance, sports Corporate social events Professional development opportunities Well-equipped office About us: Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI , supported by profound expertise and ongoing investment in data , analytics , cloud & DevOps , application modernization and customer experience . Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

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

🏢 Summary: Senior AI-first Engineer role focused on building and modernizing full-stack systems using advanced AI-assisted development workflows. The position involves designing scalable architectures, delivering production-grade .NET and React solutions, and orchestrating multiple AI agents for parallel task execution. Work spans distributed systems, cloud environments, and high-quality engineering practices in client-facing projects. 🗂️ Requirements: Hands-on experience with AI coding assistants (Claude Code, GitHub Copilot, Cursor or equivalent), Ability to build custom AI skills and orchestrate multiple AI agents in parallel, Strong prompt engineering with critical evaluation of AI-generated output, Production experience with .NET and C# for REST APIs and middleware, Deep knowledge of OAuth2, OpenIDConnect, and JWT, Strong proficiency in JavaScript and TypeScript, Minimum 2 years production experience with React, Experience with state management, asynchronous patterns, and frontend testing, Experience designing monolith, microservices, and distributed architectures, Knowledge of DDD, CQRS, EventSourcing, and event-driven systems, Experience with message brokers (Kafka, RabbitMQ, AzureServiceBus or similar), Hands-on experience with Docker and knowledge of Kubernetes, Experience with CI/CD pipelines, Experience with cloud platforms (Azure, AWS, or GCP), Strong knowledge of SQL and ORM tools 📃 Skills: C#, .NET, REST, OAuth2, OpenIDConnect, JWT, JavaScript, TypeScript, React, DDD, CQRS, EventSourcing, Kafka, RabbitMQ, AzureServiceBus, Docker, Kubernetes, GitHubActions, AzureDevOps, Azure, AWS, GCP, SQL, NoSQL, Python, Java, Node.js, Copilot, Claude, Cursor 🏢 Description: We are looking for a Senior AI-first Engineer who combines deep technical expertise with a genuine, hands-on approach to AI-assisted development. You will work across varied client engagements — from modernizing legacy systems to architecting new products — and are expected to contribute at a high level regardless of project context. The ideal candidate has built a real, personalized AI development workflow — including custom skills, reusable prompt templates, and project-level instructions — and continues to refine it. Out-of-the-box tool usage is not sufficient for this role. We follow a remote-first setup with no mandatory regular office visits for this position. From time to time, you may be invited to join in-person meetings in one of our offices (Warsaw, Lodz, Wroclaw, Gdansk, or Bialystok), for example for client visits or team reunions. Responsibilities Design, develop, and maintain full-stack features with high standards of quality, performance, and reliability Apply AI tools throughout the workflow: generation, refactoring, review, testing, and research Contribute to architectural decisions — technology selection, system design, and trade-off analysis Conduct thorough code reviews and uphold engineering best practices across the team Identify risks, bottlenecks, and security concerns proactively and propose solutions Work directly with clients in English — requirements clarification, technical discussions, progress updates Mentor junior and mid-level engineers through day-to-day guidance and knowledge sharing Stay current with AI tooling developments and contribute findings to the broader team Requirements Hands-on experience with Claude Code, GitHub Copilot, Cursor, or equivalent AI coding assistants Ability to create custom skills and sub-agents and orchestrate multiple AI agents in parallel for concurrent task execution Strong prompt engineering skills; able to produce reliable, high-quality output and critically evaluate AI-generated results Production-grade .NET / C# (REST APIs, middleware, dependency injection) with solid understanding of OAuth 2.0, OpenID Connect, and JWT Deep proficiency in JavaScript and TypeScript 2+ years of hands-on production experience with React (highly preferable) and/or Angular Strong grasp of state management, asynchronous patterns, and frontend testing Confident designing systems across monoliths, microservices, and distributed architectures Working knowledge of DDD, CQRS, Event Sourcing, and event-driven systems, including message brokers (Kafka, RabbitMQ, Azure Service Bus, or similar) Hands-on use of Docker and working knowledge of Kubernetes, along with CI/CD pipelines (GitHub Actions, Azure DevOps, or similar) Experience with cloud platforms (Azure, AWS, or GCP) and observability practices (structured logging, distributed tracing, alerting) Solid background with SQL databases and ORMs; familiarity with NoSQL is a plus Additional exposure to Python, Java, or Node.js is highly desirable Clear communication skills in English (B2+), both written and spoken; comfortable in client-facing environments Salary ranges B2B 135 - 195 PLN/ hour EC 17000 - 24000 PLN/ month

🏢 Summary: Senior Full Stack Product Engineer role focused on building end-to-end AI-powered web product features across frontend and backend systems. The position involves designing technical solutions, improving product quality and performance, and working closely with product and design teams in a fully onsite Warsaw office. The company offers a modern AI-focused engineering environment, stock options, and ownership of production-grade applications. 🗂️ Requirements: Senior-level experience building production web applications, Strong frontend experience with React, Strong frontend experience with TypeScript, Backend experience designing APIs and backend services, Experience working with full-stack web architectures and data flows, Ability to improve user experience and simplify workflows, Strong technical decision-making skills, Security-focused approach with sensitive data handling experience, Experience collaborating with engineering, product, and design teams, Experience using AI tools in daily software development, Ability to work fully onsite in Warsaw 📃 Skills: React, TypeScript, APIs, Python, Node.js, AI, Claude, OpenAI, Codex, GitHub, Copilot 🏢 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 processes 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 Senior Full Stack Product Engineer who enjoys building complete product solutions from start to finish. In this role, you will understand customer needs, design the right technical solution, build new features, and improve them after release. You will work across both frontend and backend, taking ownership of the whole development process - from the first idea to production. The position is based in Warsaw and requires working from the office. Responsibilities Build and deliver product features across both frontend and backend. Turn product ideas into practical technical solutions with the right scope and priorities. Work across the full technology stack, including user interfaces, backend logic, APIs, and data flows. Work closely with product managers and designers, even when requirements are still changing. Improve usability, performance, reliability, and overall product quality. Monitor applications after release, analyze logs and system data, and continue improving the product. Use AI tools every day to improve development speed, workflows, and engineering processes. Maintain high standards for code quality, testing, and long-term ownership. Requirements Strong senior-level experience building and delivering production web applications. Strong frontend skills with React, TypeScript, or a similar modern web framework. Good backend experience designing APIs, backend services, and data flows. Strong product thinking with the ability to improve user experience and simplify complex workflows. Good judgment when making technical decisions and balancing scope, quality, and delivery time. A security-focused approach and experience handling sensitive data. Good communication skills and experience working with engineering, product, and design teams. Experience using AI tools as part of your daily software development work. Nice to have Experience building AI-powered products such as chat applications, search, recommendation systems, workflows, or AI agents. Experience with Python, Node.js, or both. Experience leading product areas with a high level of ownership. Good understanding of web performance, accessibility, and production quality. 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 has strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Senior Full Stack Product Engineer role focused on building end-to-end AI-powered product features across frontend and backend systems in a fully on-site Warsaw office environment. The position involves owning the full development lifecycle, collaborating with product and design teams, and improving performance, usability, and reliability of production applications. Engineers will work with modern AI development tools and contribute to scalable enterprise-grade solutions. 🗂️ Requirements: Senior-level experience building production web applications, Strong frontend experience with React or TypeScript, Backend experience designing APIs and backend services, Experience working across full-stack web development, Ability to improve UX and simplify workflows, Experience making technical decisions balancing scope and quality, Security-focused approach with sensitive data handling, Experience collaborating with engineering, product, and design teams, Daily use of AI tools in software development, Ability to work fully on-site in Warsaw 📃 Skills: React, TypeScript, API, Python, Node.js, AI, Claude, OpenAI, Codex, GitHub, Copilot 🏢 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 processes 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 Senior Full Stack Product Engineer who enjoys building complete product solutions from start to finish. In this role, you will understand customer needs, design the right technical solution, build new features, and improve them after release. You will work across both frontend and backend, taking ownership of the whole development process - from the first idea to production. The position is based in Warsaw and requires working from the office. Responsibilities Build and deliver product features across both frontend and backend. Turn product ideas into practical technical solutions with the right scope and priorities. Work across the full technology stack, including user interfaces, backend logic, APIs, and data flows. Work closely with product managers and designers, even when requirements are still changing. Improve usability, performance, reliability, and overall product quality. Monitor applications after release, analyze logs and system data, and continue improving the product. Use AI tools every day to improve development speed, workflows, and engineering processes. Maintain high standards for code quality, testing, and long-term ownership. Requirements Strong senior-level experience building and delivering production web applications. Strong frontend skills with React, TypeScript, or a similar modern web framework. Good backend experience designing APIs, backend services, and data flows. Strong product thinking with the ability to improve user experience and simplify complex workflows. Good judgment when making technical decisions and balancing scope, quality, and delivery time. A security-focused approach and experience handling sensitive data. Good communication skills and experience working with engineering, product, and design teams. Experience using AI tools as part of your daily software development work. Nice to have Experience building AI-powered products such as chat applications, search, recommendation systems, workflows, or AI agents. Experience with Python, Node.js, or both. Experience leading product areas with a high level of ownership. Good understanding of web performance, accessibility, and production quality. 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 has strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Senior Full Stack Product Engineer role focused on building end-to-end AI-powered product features across frontend and backend for enterprise-scale applications. The position involves owning the full development lifecycle, collaborating with product and design teams, and improving product quality, security, and performance. This is a fully on-site role in Warsaw using modern AI-assisted development tools and technologies. 🗂️ Requirements: Senior-level experience building production web applications, Strong frontend development with React, Strong frontend development with TypeScript, Backend experience designing APIs and backend services, Experience working with data flows, Ability to make technical decisions balancing scope, quality, and delivery time, Security-focused approach with experience handling sensitive data, Experience collaborating with engineering, product, and design teams, Experience using AI tools in daily software development, Ability to work fully on-site in Warsaw 📃 Skills: React, TypeScript, APIs, Python, Node.js, AI, Claude, OpenAI, Codex, GitHub, Copilot 🏢 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 processes 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 Senior Full Stack Product Engineer who enjoys building complete product solutions from start to finish. In this role, you will understand customer needs, design the right technical solution, build new features, and improve them after release. You will work across both frontend and backend, taking ownership of the whole development process - from the first idea to production. The position is based in Warsaw and requires working from the office. Responsibilities Build and deliver product features across both frontend and backend. Turn product ideas into practical technical solutions with the right scope and priorities. Work across the full technology stack, including user interfaces, backend logic, APIs, and data flows. Work closely with product managers and designers, even when requirements are still changing. Improve usability, performance, reliability, and overall product quality. Monitor applications after release, analyze logs and system data, and continue improving the product. Use AI tools every day to improve development speed, workflows, and engineering processes. Maintain high standards for code quality, testing, and long-term ownership. Requirements Strong senior-level experience building and delivering production web applications. Strong frontend skills with React, TypeScript, or a similar modern web framework. Good backend experience designing APIs, backend services, and data flows. Strong product thinking with the ability to improve user experience and simplify complex workflows. Good judgment when making technical decisions and balancing scope, quality, and delivery time. A security-focused approach and experience handling sensitive data. Good communication skills and experience working with engineering, product, and design teams. Experience using AI tools as part of your daily software development work. Nice to have Experience building AI-powered products such as chat applications, search, recommendation systems, workflows, or AI agents. Experience with Python, Node.js, or both. Experience leading product areas with a high level of ownership. Good understanding of web performance, accessibility, and production quality. 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 has strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Senior Java Developer with AI Integration role focused on building scalable, enterprise-grade claims management solutions using Java, Spring Boot, microservices, and AI-powered automation in a hybrid Warsaw-based environment. The position involves developing backend services, integrating AI/ML components, and contributing to event-driven architectures within Agile teams. 🗂️ Requirements: 5+ years of Java development experience in enterprise environments, Strong knowledge of Spring and Spring Boot, Experience with microservices, Basic Kubernetes knowledge, Proficiency with GIT, Experience with Oracle or PostgreSQL databases, Experience with transactional data systems, Testing experience with JUnit, Testing experience with Spock, Experience with Testcontainers, Experience with automated pipelines, Experience with messaging systems and asynchronous integrations, Experience delivering AI-based solutions or ML/LLM integrations, Communicative English, Polish language skills, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Kubernetes, GIT, Oracle, PostgreSQL, JUnit, Spock, Testcontainers, Microservices, CQRS, DDD, EDA, Angular, LLM, ML, AI 🏢 Description: Unleash the future of claims management — revolutionize enterprise solutions with innovative backend services and AI-powered automation! Warsaw-based opportunity with hybrid work model (only 1 day x week in the office) As a Senior Java Developer with AI Integration , you will be working for our client, a leader in the insurance industry, specializing in building scalable, enterprise-grade solutions for claims processing. You will contribute to transforming traditional workflows through cutting-edge backend development and intelligent automation, driving operational excellence and exceptional customer experiences. This role offers a unique chance to grow within a forward-thinking organization committed to innovation in insurance technology. Your main responsibilities: Design, develop, and maintain high-quality services in Java (8/11/17/21) and Spring Boot, aligning with business needs in claims management. Collaborate with cross-functional teams to ensure smooth integration and delivery of scalable solutions. Participate in code reviews, testing, and documentation to uphold software quality standards. Implement architectures based on DDD, CQRS, Hexagonal Architecture, and EDA to support robust, event-driven microservices. Work with containerization and orchestration tools such as Kubernetes to ensure deployment efficiency. Build and integrate AI-enabled components, including automation, classification, and information extraction modules. Contribute to Agile/Scrum teams, proposing solutions and delivering end-to-end features with independence and ownership. Drive production stability and continuous improvement of enterprise solutions. You're ideal for this role if you have: Minimum 5 years of experience in Java development within enterprise environments. Strong knowledge of Spring and Spring Boot frameworks. Experience working with microservices and basic Kubernetes knowledge. Proficiency in GIT, relational databases (Oracle/PostgreSQL), and transactional data systems. Testing experience with JUnit, Spock, Testcontainers, and automated pipelines. Experience with messaging systems and asynchronous integrations. Demonstrated autonomy, strong ownership mindset, and team collaboration skills. Proven experience delivering AI-based solutions or integrations with ML/LLM services. It is a strong plus if you have: Experience with Angular 14+ (full-stack development). Hands-on practice designing AI solutions considering security, compliance, and enterprise constraints. Product-oriented mindset with a good understanding of business processes. Language Required for the role: Communicative level of English. Polish language skills are required. Eligibility for the role: Only candidates with a valid 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.