Software Engineer (React)

🏢 Summary: Full Stack Developer role focused on building scalable Java and React applications, including backend microservices, responsive frontend architecture, REST integrations, and AWS-based operations. The offer includes long-term international project work, flexible hours, modern tooling, and influence over architectural decisions. 🗂️ Requirements: 4–5 years of professional software development experience, Commercial Java experience, Commercial Spring Framework experience, Commercial Spring Boot experience, Commercial React.js experience, Commercial TypeScript experience, JavaScript ES6+ knowledge, Production AWS experience, Microservices architecture knowledge, SQL and relational database experience, REST API integration experience, HTML5, CSS3/SCSS, responsive design, and cross-browser compatibility knowledge, Jest and React Testing Library experience, Modern frontend tooling and build process familiarity, Agile environment experience 📃 Skills: Java, Spring, SpringBoot, React, TypeScript, JavaScript, AWS, SQL, HTML5, CSS3, SCSS, Jest, Kafka, Hadoop, Spark, Next.js, Redux, Zustand 🏢 Description: ✅ Your responsibilities: Design, develop, and maintain scalable full stack applications using Java and React. Build and maintain backend services with Java, Spring Framework, Spring Boot, SQL, and AWS. Develop modern, reusable, and responsive user interfaces using React, TypeScript, and JavaScript. Design and implement scalable frontend architecture and reusable UI components. Collaborate closely with Product Owners, QA Engineers, and other development teams. Integrate frontend applications with REST APIs and backend microservices. Contribute to architectural decisions and technical discussions. Ensure application performance, scalability, security, and maintainability. Participate in code reviews, sprint planning, and Agile ceremonies. Support deployment automation, production operations, and troubleshooting. Mentor less experienced developers and promote engineering best practices. 🧠 Our requirements: Minimum 4–5 years of professional software development experience. Commercial experience with Java, Spring Framework, and Spring Boot. Commercial experience with React.js and TypeScript. Solid understanding of JavaScript (ES6+). Experience working with AWS in production environments. Understanding of microservices architecture. Hands-on experience with SQL and relational databases. Experience integrating and consuming REST APIs. Very good knowledge of HTML5, CSS3 / SCSS, responsive design, and cross-browser compatibility. Experience with frontend testing using Jest and React Testing Library. Familiarity with modern frontend tooling and build processes. Ability to work independently, take ownership of delivered solutions, and contribute to system design. Excellent communication skills and experience working in Agile environments ⭐ Nice to have: Experience with Kafka or other event-driven architectures. Knowledge of Hadoop or Apache Spark. Experience with Next.js. Experience with Redux, Zustand, or similar state management solutions. Previous experience in Healthcare or Life Sciences projects. 🌟 What we offer: Long-term cooperation on an international project. Flexible working hours. Opportunity to influence architecture and technical decisions. Modern technology stack. Supportive, collaborative engineering culture. Learning and development opportunities. Modern equipment and comfortable working environment.

🏢 Summary: Full Stack Developer role focused on building scalable Java and React applications, including backend microservices, responsive interfaces, REST integrations, and AWS-based operations. The offer includes long-term international project work, flexible hours, influence on architecture, and development opportunities. 🗂️ Requirements: 4–5+ years of professional software development experience, Commercial Java experience, Spring Framework and Spring Boot experience, React.js and TypeScript experience, JavaScript ES6+ knowledge, Production AWS experience, Microservices architecture knowledge, SQL and relational database experience, REST API integration experience, HTML5, CSS3/SCSS, responsive design, and cross-browser compatibility knowledge, Jest and React Testing Library experience, Modern frontend tooling and build process familiarity 📃 Skills: Java, React, Spring, SpringBoot, SQL, AWS, TypeScript, JavaScript, HTML5, CSS3, SCSS, Jest, Microservices, REST, ReactTestingLibrary 🏢 Description: ✅ Your responsibilities: Design, develop, and maintain scalable full stack applications using Java and React. Build and maintain backend services with Java, Spring Framework, Spring Boot, SQL, and AWS. Develop modern, reusable, and responsive user interfaces using React, TypeScript, and JavaScript. Design and implement scalable frontend architecture and reusable UI components. Collaborate closely with Product Owners, QA Engineers, and other development teams. Integrate frontend applications with REST APIs and backend microservices. Contribute to architectural decisions and technical discussions. Ensure application performance, scalability, security, and maintainability. Participate in code reviews, sprint planning, and Agile ceremonies. Support deployment automation, production operations, and troubleshooting. Mentor less experienced developers and promote engineering best practices. 🧠 Our requirements: Minimum 4–5 years of professional software development experience. Commercial experience with Java, Spring Framework, and Spring Boot. Commercial experience with React.js and TypeScript. Solid understanding of JavaScript (ES6+). Experience working with AWS in production environments. Understanding of microservices architecture. Hands-on experience with SQL and relational databases. Experience integrating and consuming REST APIs. Very good knowledge of HTML5, CSS3 / SCSS, responsive design, and cross-browser compatibility. Experience with frontend testing using Jest and React Testing Library. Familiarity with modern frontend tooling and build processes. Ability to work independently, take ownership of delivered solutions, and contribute to system design. Excellent communication skills and experience working in Agile environments ⭐ Nice to have: Experience with Kafka or other event-driven architectures. Knowledge of Hadoop or Apache Spark. Experience with Next.js. Experience with Redux, Zustand, or similar state management solutions. Previous experience in Healthcare or Life Sciences projects. 🌟 What we offer: Long-term cooperation on an international project. Flexible working hours. Opportunity to influence architecture and technical decisions. Modern technology stack. Supportive, collaborative engineering culture. Learning and development opportunities. Modern equipment and comfortable working environment.

🏢 Summary: B2B role for a senior full-stack engineer building scalable client business applications with React, Next.js, TypeScript, Node.js, and PostgreSQL. The role combines architecture, frontend and backend delivery, automated quality practices, and daily AI-assisted engineering with Claude/Codex. It offers 140–180 PLN/h net + VAT and work across multiple client projects. 🗂️ Requirements: 5+ years of commercial web-application development experience, JavaScript, TypeScript, React, Next.js and Node.js experience, Reusable AI workflows, prompts, skills or agentic solutions experience, MCP, tool-integration or multi-agent workflow knowledge, Software architecture and scalable system-design knowledge, Ability to translate business requirements into scalable technical solutions, Ability to review and validate AI-generated code, Independent work, priority management and context switching, Advanced English communication skills 📃 Skills: JavaScript, TypeScript, React, Next.js, Node.js, PostgreSQL, Playwright, Claude, Codex, MCP 🏢 Description: We’re a software house with a team of 25 professionals distributed across three countries. We focus on long-term projects and believe great software comes from ownership, strong collaboration with clients, and developers who care about the quality and business impact of their work. At the.good.code; successful software starts with understanding the business problem first. We work closely with our clients, use AI as an engineering tool rather than a shortcut, and improve the way software is designed and delivered. We focus on long-term collaboration and are looking for people who are curious, open-minded, and motivated to grow together with the business and the products we build. Interested to hear about the projects? You'll join a team building modern business applications powered by AI-assisted engineering. Your work will combine product thinking, software architecture, and collaboration with clients. Rather than focusing only on writing code, you'll use AI tools to design solutions, prepare specifications, review generated code, and help deliver scalable, production-ready software. You'll work across multiple client projects simultaneously, so being comfortable with context switching and managing priorities is an important part of this role. Tech stack: TypeScript, JavaScript, React, Next.js, Node.js, PostgreSQL, Playwright, AI: Claude, Codex, MCP, agentic workflows & reusable AI skills Salary: 140-180 PLN/h net + VAT / B2B Curious about your responsibilities? You will be: working in clients' teams as the equal team member building and developing frontend and backend features using React, Next.js, TypeScript, and Node.js designing application architecture, reusable modules and integration patterns translating business requirements into clear technical specifications for AI coding agents using AI coding agents (Claude/Codex) as part of your daily engineering workflow reviewing, validating, and improving AI-generated code building and improving AI-assisted engineering workflows, including reusable skills, prompts and testing practices contributing to software quality through automated testing, code reviews, and AI-assisted validation taking ownership of technical solutions within your area of responsibility contributing to open source libraries sharing knowledge and helping grow AI engineering practices within the the.good.code; community Ready to apply? First, check if you have: 5+ years of commercial experience building web applications experience with JavaScript, TypeScript, React, Next.js, and backend development using Node.js experience building reusable AI workflows, prompts, skills, or agentic solutions understanding of concepts such as MCP (Model Context Protocol), tool integrations, or multi-agent workflows the ability to translate business requirements into scalable technical solutions understanding of software architecture and scalable system design ability to review and validate AI-generated code rather than relying on it blindly product mindset - you understand the business context behind the features you build and actively look for better solutions ability to work independently, manage priorities, and switch context when needed critical thinking, ownership, and proactive attitude advanced English communication skills (you'll use English every day within the team and directly with international clients) We appreciate, if you have: experience building AI-powered developer tools or internal engineering platforms familiarity with Playwright or other automated testing frameworks contributions to open-source projects or active participation in technical communities willingness to travel occasionally for client workshops We value engineers who : take ownership of their work and deliver what they commit to work independently and manage their time without micromanagement care about quality instead of rushing delivery think about value and impact, not only implementation communicate clearly and work well in a remote environment raise issues early and treat feedback as part of growth enjoy collaboration and maintain a positive team attitude Keen to hear about our recruitment process? Here you go: The application form - fill it out. We really read it! 60-minute HR interview to learn about your experience and motivation 90-minute tech interview with our developers to check your practical skills 45-minute final interview with one of our Founders References check Welcome on board!

🏢 Summary: Fullstack Engineer role focused on building and scaling SaaS products, internal tools, AI-driven workflows, and third-party integrations. The position combines React/Next.js frontend work with Node.js/NestJS backend development, async processing, and production LLM automation. 🗂️ Requirements: 2.5+ years of professional full-stack experience, React.js, Next.js, Node.js, External API integrations, AI development tools, SQL, PostgreSQL, Async processing, Queues, Background jobs, Reliable-system design, English fluency, Polish fluency 📃 Skills: React.js, Next.js, Node.js, NestJS, OpenAI, Claude, Cursor, SQL, PostgreSQL, REST, WebSockets, LavinMQ, BullMQ, Kafka, GitLab, AWS, Fly.io, Golang, Elixir, Rust, BigQuery, ClickHouse, gRPC 🏢 Description: At Web Impact, we’re more than just an email marketing agency and digital solutions provider. We build cutting-edge, socially impactful products that redefine how businesses operate in the digital world. We’re looking for a Fullstack Engineer who enjoys building complex systems, integrating external services, and leveraging AI tools to speed up development and automate workflows. If you’re excited about combining modern frontend development with AI-driven workflows and automation tools like Claude Code, Cursor, and LLM frameworks , this one is for you. What You’ll Do Develop and contribute to end-to-end features across SaaS products and internal tools, collaborating with senior engineers on architecture and implementation decisions. Build modern, high-performance frontends using Next.js and React.js Develop scalable backend services using Node.js / NestJS Design and integrate APIs (REST, WebSockets, external services) Build and maintain automation workflows and background jobs Work with async systems, queues, and event-driven architectures Integrate third-party services with real-world constraints (rate limits, retries, auth flows) Use AI tools to improve development speed, testing, and automation Collaborate directly with product, data, and leadership teams Build MVPs, proof-of-concepts, and new product ideas from scratch Rapidly validate business ideas through experimentation and iteration Help evolve successful prototypes into production-ready systems AI & Automation This role includes working with modern AI tooling and automation systems, with a strong focus on speed, ownership, and execution : Using tools like Claude Code, Cursor, and OpenAI SDK in daily development Building AI-driven workflows and integrations quickly and iteratively Automating repetitive processes (data handling, content, integrations) Applying LLMs in production with a pragmatic, results-first approach Taking ownership of problems - from idea to production Shipping fast, testing in real conditions, and iterating based on outcomes Being accountable for delivery - not just writing code, but making things work end-to-end Prioritizing execution over perfection - speed is key What We’re Looking For 2,5+ years of professional full-stack experience Strong frontend skills in React.js / Next.js Backend experience with Node.js (NestJS preferred) Experience integrating external APIs (auth, pagination, retries, rate limits) Hands-on experience with modern AI tools (OpenAI, Claude, Cursor, etc.) Good SQL skills (PostgreSQL preferred) Experience working with async processing, queues, and background jobs Understanding of building reliable systems (error handling, retries, observability) Strong communication skills and ability to work cross-functionally Fluent in English and Polish Nice to Have Experience with Rust (async, Tokio, Axum) Experience with Elixir (Phoenix LiveView, GenServer) Understanding of distributed systems and architectures Experience with multi-region deployments and geo-distributed infrastructure Experience building systems with high parallelism (a large number of workers processing jobs concurrently) Familiarity with distributed databases and data consistency trade-offs Experience with multi-tenancy architectures (tenant isolation, scaling strategies) Experience working with high-throughput event pipelines Our Tech Stack Frontend: Next.js, React.js Backend: Node.js, NestJS, Golang, Elixir, Rust Data: PostgreSQL, BigQuery, ClickHouse Infra: AWS, Fly.io , Google Cloud, DigitalOcean Queues & Workers: LavinMQ, BullMQ, Kafka CI/CD: GitLab CI AI/ML & Automation: Proprietary GenAI models, OpenAI, Claude, internal tooling Integrations: REST, gRPC, WebSockets, external APIs with rate limits Why Join Us? Work on high-scale SaaS systems processing hundreds of millions of events daily , with real-time pipelines and data-heavy workloads. Ownership from day one - influence architecture, technology choices, and product direction. Collaborate with world-class engineers, AI specialists, and PMs. Innovation-first culture - explore cutting-edge frameworks and architectures. Fast execution, minimal bureaucracy, no unnecessary meetings Opportunity to work with modern AI tooling in production Competitive senior-level compensation and career growth. Social impact - contribute to automation products that empower businesses and communities. Our Streamlined Hiring Process Initial call Technical deep dive with our team Decision

🏢 Summary: Early-career, office-based web development role building real CRM, business, e-commerce, and client-portal applications with React, Next.js, and TypeScript. The offer provides hands-on work with AI tools, direct collaboration with experienced teammates, rapid responsibility, and benefits including healthcare, Multisport, and daily lunches. 🗂️ Requirements: Student in IT or a related field, or early-career candidate, Basic React knowledge, Basic JavaScript knowledge, Own projects demonstrated through GitHub or a portfolio, Analytical thinking and independent problem-solving, Proactive interest in building products, Fluent spoken and written English, Ability to understand and validate AI-generated code, Availability for office-based work in OBC, Gdansk 📃 Skills: React, JavaScript, GitHub, Next.js, TypeScript, APIs, Copilot, ChatGPT, Gemini 🏢 Description: We’re looking for someone at the beginning of their career — but not starting from zero. If you already build things, experiment, and want to grow fast — keep reading. What you’ll do: build web applications using React / Next.js / TypeScript work on real projects (CRM systems, business tools, e-commerce platforms, and client portals) use and integrate AI tools in real development workflows learn by doing — not by “training tasks” collaborate directly with experienced team members Who we’re looking for: you’re a student (IT or related field) or early in your career you know the basics of React and JavaScript you have your own projects (GitHub / portfolio — required) you can think analytically and solve problems independently you’re curious, proactive, and actually enjoy building things your English level allows you to communicate freely (spoken and written) Important: we work a lot with AI tools — but we expect you to understand what the AI produces, not just copy-paste we value business thinking, not just coding — you should care why something is built, not only how Nice to have: Next.js / TypeScript working with APIs experience using AI tools (Copilot, ChatGPT, Gemini, etc.) What it’s like to work with us: office-based work (OBC, Gdansk) — we value close, in-person collaboration we believe the best learning happens side by side, not asynchronously fast-paced environment, minimal bureaucracy real impact on products from day one What we offer: very fast growth (real responsibility early on) modern tech stack (AI, automation, scalable systems) private healthcare Multisport daily lunches relaxed, startup-like atmosphere What we’re NOT looking for: candidates without any projects people whose only experience is university coursework those who need step-by-step instructions for everything How to apply: GitHub / portfolio CV your answer to the question above