Java Site Reliability Engineer (SRE) - Warsaw hybrid

🏢 Summary: Hybrid PRE System Analyst role focused on ensuring high availability, performance, and reliability of critical distributed applications through proactive monitoring, incident management, and system optimization. 🗂️ Requirements: Bachelor’s Degree in Computer Science or related engineering field, Minimum 2 years of experience in Production Support, Experience working in distributed team environments, Ability to manage incidents, changes, and perform root cause analysis, Ability to write complex database queries, Knowledge of Linux or UNIX systems, Experience with containers and distributed systems 📃 Skills: Kubernetes, Docker, Hadoop, Kafka, Linux, UNIX, SQL, NoSQL, Java, J2EE, JVM, ServiceNow, Hazelcast 🏢 Description: Work mode: hybrid 3 days from office per week in Warsaw About the Role: This is a professional-level, high-impact position within the Product Reliability Engineering (PRE) team. As a PRE System Analyst, you will be the backbone of our critical, highly available applications powering Value Added Services . You won’t just “keep the lights on”—you will drive availability, reduce latency, optimize performance, and ensure operational efficiency. You will be hands-on in change management, proactive monitoring, incident detection, root cause analysis, and implementing permanent, game-changing solutions. What You’ll Do: Collaborate across Systems, Database, Engineering, Product Development, Clients, Risk, and other Technology teams . Participate in capacity planning and design reviews to identify and close gaps in supportability and system resiliency. Go beyond routine support: bring your creative curiosity and technical experience every day to build custom dashboards, intelligent alerts, audits, and innovative solutions that prevent issues before they happen. Basic Qualifications: Bachelor’s Degree in Computer Science or related engineering field. 2+ years of work experience, including 2+ years in Production Support within a distributed team environment. Preferred Qualifications (What will make you stand out): Containers: Kubernetes, Docker Data Streaming: Hadoop, Kafka OS Expertise: Linux, UNIX Databases: Relational & NoSQL (ability to write complex queries) Languages: Java, J2EE, scripting technologies JVM Internals: Ability to analyze thread dumps, heap dumps, garbage collection ITSM Tools: ServiceNow (incident, change, problem management, triaging, escalation) Specialized: Hazelcast, payment & transaction domain experience (a strong plus) We’re Looking For Someone Who Is: A strong executor with sharp analytical abilities to solve complex production problems. Dynamic, hard-working, and ambitious —a self-starter who thrives in a fast-paced environment. An excellent communicator (both oral and written) who can bridge technical and business needs.

🏢 Summary: Senior Backend Engineer role focused on designing, building, and maintaining production backend systems and AI-driven workflows in a fully onsite Warsaw office environment. The position involves ownership of system architecture, APIs, distributed systems, and cloud infrastructure from design through production. Candidates will collaborate across teams, improve engineering processes with AI tools, and contribute to scalable, reliable solutions. 🗂️ Requirements: Strong experience as a senior backend engineer on production systems, Excellent Python programming skills, Understanding of distributed systems, Experience with AWS or Azure cloud platforms, Knowledge of SQL and NoSQL databases, Experience with asynchronous processing and service design, Ability to design and deliver systems from idea to production, Strong written and spoken communication skills, Regular use of AI development tools, Ability to work fully onsite in Warsaw 📃 Skills: Python, AWS, Azure, SQL, NoSQL, APIs, AI, TypeScript, GitHub, Copilot, Claude, OpenAI, Codex 🏢 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 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.

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

🏢 Summary: Remote Java Backend Engineer role focused on designing and building enterprise-grade, cloud-based microservices applications from scratch. Involves full software lifecycle ownership, including requirements analysis, development, testing, deployment, and production support. Requires strong Camunda expertise and experience in modern DevOps and Agile environments. 🗂️ Requirements: 5+ years of Java backend development experience, Strong experience with Camunda (mandatory), Experience with Spring Boot and Hibernate, Experience in microservices architecture, Experience designing and integrating REST APIs, Hands-on experience with Docker and OpenShift, Experience with AWS cloud services, Experience with Oracle and SQL databases, Experience with Git and GitHub, Experience working in Agile/Scrum environments, Ability to support production deployments and incident diagnosis 📃 Skills: Java, SpringBoot, Hibernate, Camunda, Microservices, REST, Docker, OpenShift, AWS, Oracle, SQL, Git, GitHub, GitHubActions, Agile, Scrum 🏢 Description: 📍 Location: Poland (Remote with onsite visit to Warsaw every 1-2 months for 1 day) 🧠 Experience: 5+ years ⚙️ Work Style: Agile / Scrum ☁️ Tech-Driven | Cloud | Microservices | Enterprise Scale Why this role? This is a chance to work on an innovative, enterprise-grade application where you won’t just maintain systems, you’ll design, build, and shape them from the ground up. You’ll be involved across the full software lifecycle, from requirements to production deployment and incident resolution. What you’ll be doing Collaborating with clients to define requirements and design solutions Building and evolving new application modules Writing and maintaining robust backend services Creating test cases and ensuring software quality Supporting production deployments and incident diagnosis Working with modern DevOps and development tools Tech Stack You’ll Love Java, Spring Boot, Hibernate Camunda (Mandatory – process orchestration) Microservices Architecture REST API design & integration Docker & OpenShift (containerization) AWS cloud services Oracle & SQL databases Git, GitHub, GitHub Actions Agile / Scrum delivery environments 💬 If you're a Java Backend Engineer with Camunda expertise and a passion for building enterprise systems, this is your next big step.

🏢 Summary: Hybrid B2B role for an Application Support Engineer focused on production support, DevOps practices, and CI/CD pipeline management in complex environments. The position involves leading incident resolution, optimizing service performance, managing containerized deployments, and driving automation and Infrastructure as Code initiatives. The role also supports AI/ML workloads and continuous improvement of operational processes. 🗂️ Requirements: Experience with Docker containerization, Experience with Kubernetes orchestration, Proficiency with CI/CD tools (Jenkins, Maven), Advanced troubleshooting using Splunk, Experience with relational databases (Oracle, DB2), Strong knowledge of DevOps practices, Experience managing production and pre-production environments, Ability to lead RCA and incident management processes 📃 Skills: Docker, Kubernetes, Jenkins, Maven, Splunk, Oracle, DB2, DevOps, CI/CD, RCA, IaC 🏢 Description: B2B contract rate 130 pln/h + VAT work mode: hybrid, Gdańsk We are seeking an experienced Application Support Engineer to join the team. The ideal candidate will have a deep understanding of DevOps practices, innovative solutions, and the ability to manage complex environments effectively. Main Responsibilities Lead RCA processes and implement preventive measures for incident & problem management. Monitor, analyze, and optimize service performance and stability in production support. Build, maintain, and enhance deployment pipelines for multiple APIs in CI/CD management. Maintain Pre-Production and Production environments through effective environment management. Collaborate closely with Platform Operations teams and the delivery factory to foster cross-team collaboration. Create comprehensive runbooks and knowledge bases for operational procedures. Evaluate and implement new DevOps tools, practices, and AI-powered solutions to drive innovation leadership. Implement Infrastructure as Code practices and drive automation for self-healing infrastructure solutions. Support AI/ML workload deployments and operations. Lead the adoption of emerging technologies and best practices. Key Requirements Experience with Docker containerization and Kubernetes orchestration. Proficient in CI/CD tools such as Jenkins and Maven. Advanced troubleshooting skills using tools like Splunk. Proficient in relational databases, specifically Oracle and DB2. Nice to Have Experience with Infrastructure as Code using Ansible. Basic knowledge of Spring, Hibernate, XML, JSON, and Kafka. Experience with modern observability tools such as Prometheus, Grafana, and ELK stack. Experience in AI/ML operations (MLOps) and AI agent deployments. Knowledge of AI model serving platforms and ML workload containerization. Strong understanding of AI agent orchestration and workflow automation. Ability to evaluate and integrate new DevOps tools and practices. Software development knowledge in Java/J2EE. Experience with cloud platforms (AWS, Azure, or GCP). Familiarity with IBM Datastage.

🏢 Summary: Senior QA Backend Engineer role focused on validating distributed microservice architectures, event-driven systems, and backend integrations across cloud infrastructure. The position involves backend testing, log and trace analysis, API and database validation, and coordinating cross-team quality efforts in an Agile environment. Hybrid work model with mandatory onsite presence in Warsaw and English communication at C1 level. 🗂️ Requirements: 5+ years of commercial software testing experience, Experience with end-to-end software testing, Strong analytical test design skills, Architectural understanding of web and mobile applications, Experience with Jira, Xray, TestRail or YouTrack, Experience working in Agile environments, Experience with AWS SNS/SQS or similar queue systems, Experience with API testing tools, SQL database proficiency, English level C1, Availability for hybrid work in Warsaw 📃 Skills: AWS, SNS, SQS, Postman, Swagger, SQL, Jira, Xray, TestRail, YouTrack, Scrum, Kanban, REST, HTTP, UAT 🏢 Description: We are seeking a highly analytical Senior QA Backend Engineer to orchestrate the validation of complex, multi-service architectures and event-driven data flows. In this position, you will heavily focus on backend testing—analyzing system logs, tracing service-to-service communication, and validating backend message handling across modern cloud infrastructure. Operating within an Agile environment, you will bridge communication gaps between multiple development teams, identify critical system paths, and ensure end-to-end product stability. Details - Seniority: Senior (5+ years of software testing experience) - Allocation: Full-time (1 FTE) - Rate: 100 -125 pln/h B2B - Start Date: ASAP - Languages: English at a C1 level (essential for cross-team coordination) - Work Model & Location: Hybrid - Weekly on-site presence required on Thursdays at the client's office in Warsaw (Mokotów), plus mandatory on-site attendance for periodic PI Planning sessions Responsibilities - Backend & Microservices Validation: Deep-dive into testing distributed microservice architectures, verifying that data flows, async states, and transactions resolve correctly across isolated components - Event-Driven & Integration Testing: Map and validate messaging architectures, specifically focusing on event queues, data ingestion routing, and message pub/sub lifecycles - Log & Trace Analysis: Proactively parse server-side logs, monitor internal API gateways, and evaluate database persistence to uncover anomalies before they reach production - Test Orchestration: Strategy, plan, and execute rigorous integration, system, usability, and E2E testing suites, while guiding cross-functional teams through complex User Acceptance Testing (UAT) gates - Cross-Squad Alignment: Drive alignment and foster communication between distinct development squads to pinpoint high-risk areas, eliminate technical silos, and improve platform reliability Requirements Core QA Competencies - 5+ years of verified commercial experience in end-to-end software testing with strong analytical test design capabilities - Solid architectural understanding of web and mobile application structures - High proficiency with test and defect management tooling (e.g., Jira, Xray, TestRail, YouTrack) - Experienced operating within agile software development lifecycles (Scrum/Kanban) Backend & Systems Stack - Strong experience tracking asynchronous integrations via AWS SNS/SQS or similar queue infrastructures - Hands-on command over API testing toolsets (Postman, Swagger, etc.) - Proficient with SQL databases (writing queries, validating schema states, and isolating data anomalies) Nice to Have (Pluses) - Domain experience inside Card Payments or Card Management Systems (Fintech/Banking) - Hands-on familiarity with test automation structures for mobile or web surfaces - Deep architectural understanding of REST API standards, HTTP status protocols, and API contract testing - Professional QA certifications (ISTQB Foundation and/or ISTQB Advanced Level Test Analyst)

🏢 Summary: Hybrid Senior Performance Test Engineer role focused on building automated performance testing frameworks and strategies for scalable, resilient digital products. The position uses JavaScript and k6 to test APIs, web applications, and distributed systems, embed testing in CI/CD, and drive performance improvements across engineering teams. 🗂️ Requirements: JavaScript (ES6+) proficiency, Automated test framework development experience, k6 performance testing experience, Load, stress, scalability testing and performance tuning knowledge, REST API and GraphQL API testing experience, CI/CD test integration experience, Git collaborative workflow experience, Docker and Kubernetes experience, Experience with AWS, Azure, or GCP, Observability and monitoring tool experience 📃 Skills: JavaScript, k6, REST, GraphQL, GitHubActions, GitLabCI, AzureDevOps, Jenkins, Git, Docker, Kubernetes, AWS, Azure, GCP, Grafana, Prometheus, ApplicationInsights 🏢 Description: About the Role We are looking for a Senior Performance Test Engineer to join our engineering team and help us build highly scalable, reliable, and resilient digital solutions. In this role, you will design and implement advanced performance testing strategies, develop automation frameworks, and work closely with engineering teams to identify bottlenecks and improve system performance. You will play a key role in embedding performance engineering practices into the software development lifecycle, enabling teams to deliver high-quality products that perform reliably at scale. This is an excellent opportunity for an experienced engineer who enjoys solving complex technical challenges, working with modern cloud technologies, and influencing engineering practices across distributed teams. Key Responsibilities - Design, develop, and maintain performance testing frameworks and automation solutions using JavaScript (ES6+). - Create and execute performance, load, stress, and scalability testing strategies for modern applications. - Develop and maintain performance test scenarios using k6. - Test and analyze the performance of REST APIs, GraphQL APIs, web applications, and distributed systems. - Identify performance bottlenecks and provide actionable recommendations for optimization. - Collaborate with developers, architects, DevOps, and product teams to improve system scalability and reliability. - Integrate performance testing into CI/CD pipelines and engineering workflows. - Support performance monitoring and analysis using observability platforms. - Contribute to performance engineering standards, best practices, and continuous improvement initiatives. - Work effectively with global, distributed engineering teams and communicate technical findings to both technical and non-technical stakeholders. Required Skills & Experience - Strong proficiency in JavaScript (ES6+). - Proven experience building automated test frameworks and reusable testing solutions. - Hands-on experience with k6 performance testing. - Strong understanding of performance engineering methodologies, including load testing, stress testing, scalability testing, and performance analysis and tuning. - Experience testing modern web applications and APIs, including REST APIs and GraphQL APIs. - Experience integrating automated tests into CI/CD pipelines using GitHub Actions, GitLab CI, Azure DevOps, or Jenkins. - Strong experience with Git and collaborative software development workflows. - Solid understanding of software engineering principles and modern development practices. - Excellent analytical and problem-solving skills. Cloud & Infrastructure Experience - Experience working with Docker and containerized environments. - Experience working with Kubernetes and cloud-native architectures. - Experience with at least one major cloud platform: AWS, Microsoft Azure, or Google Cloud Platform (GCP). - Experience with observability and monitoring tools such as Grafana, Prometheus, Application Insights, or similar monitoring and analytics platforms. Soft Skills & Mindset - Strong communication and stakeholder management skills. - Ability to influence technical decisions and drive improvements without direct authority. - Passion for quality engineering, automation, and developer enablement. - Continuous learning mindset and curiosity about emerging technologies. - Ability to collaborate effectively across international and distributed teams. - Comfortable working independently while contributing to a highly collaborative engineering culture.

🏢 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.

🏢 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 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.