Senior Full Stack Engineer (Java, Angular)

🏢 Summary: The role involves designing and building high-quality backend applications in a microservices environment, working closely with product and engineering teams throughout the full development lifecycle. You will develop scalable systems, contribute to architecture decisions, and deploy production-ready code within an Agile environment. 🗂️ Requirements: 4+ years experience in backend development, Strong knowledge of Java 21, Experience in microservices architecture, Experience with Spring framework (Core, Data JPA, MVC, Boot, Security), Solid understanding of Object Oriented Design and Analysis, Experience designing and implementing scalable systems, Hands-on experience with SQL and REST APIs, Experience with Continuous Integration, Familiarity with Docker and Kubernetes, Understanding of distributed systems and SOA, Experience working in Agile environment 📃 Skills: Java, Spring, JPA, MVC, Boot, Security, Spock, SQL, REST, Docker, Kubernetes, AWS, SAML, OAuth, CQRS, EventSourcing, Microservices, SOA 🏢 Description: Senior Backend Engineer Background Ziflow is the leading creative collaboration platform helping agencies and brands streamline feedback and approval for creative assets — from concept to delivery. Our customers include Toyota, McCann Worldgroup, AWS, Doordash, Williams Sonoma, and Bark. Founded in 2016, Ziflow serves thousands of customers globally, with team members in the US, UK, Poland, Canada, and South Africa. Our executive team has a proven track record of building, scaling, and successfully exiting SaaS businesses — and we’re just getting started. Join us to help build a world-class team that creates world-class work. The Role You will work closely with our CTO and Product Team to produce a high quality product. You will be involved in every aspect of the product development process, from the conception of new features, collaborating with the Design and SysOps teams, to successfully running your code in production. You will be working in a formal Agile environment to develop high quality applications based on requirements and designs. Qualifications Work experience in similar role 4+ years Strong knowledge of Java 21, preferably in a microservices environment. Solid experience with Object Oriented Design & Analysis Hands-on experience with frameworks and technologies such as Spring (Core, Data JPA, MVC, Boot, Security), Spock, SQL, REST, and related tools. Experience in designing and implementing highly scalable systems and frameworks Desirable Skills SOA, and distributed systems understanding, experience in Continuous Integration Familiarity with containerization with Docker & Kubernetes SAML, Dropbox API, Google API, OAuth, etc. Some experience with Event Sourcing + CQRS Familiarity with AWS services Excellent communication skills, able to collaborate effectively with other Scrum team members Experience in Agile software development practices

🏢 Summary: The offer is for a HubSpot Web Developer responsible for implementing and optimizing web properties, ensuring high performance, technical SEO, and excellent user experience. The role involves close collaboration with marketing and product teams, executing pixel-perfect designs, and driving continuous improvement through testing and data analysis. 🗂️ Requirements: 2+ years of experience in web development, Experience with HubSpot CMS, Strong knowledge of HTML, Strong knowledge of CSS, Proficiency in JavaScript (ES6), Experience with Sass (SCSS), Hands-on experience with GIT, Basic knowledge of Node.js, Knowledge of SEO optimization, Knowledge of Responsive Web Design (RWD) 📃 Skills: HubSpot, HTML, CSS, JavaScript, ECMAScript, Sass, SCSS, GIT, Node.js, SEO, RWD 🏢 Description: Web Developer (HubSpot) Background Ziflow is the leading creative collaboration platform helping agencies and brands streamline feedback and approval for creative assets — from concept to delivery. Our customers include Toyota, McCann Worldgroup, AWS, Doordash, Williams Sonoma, and Bark. Founded in 2016, Ziflow serves thousands of customers globally, with team members in the US, UK, Poland, Canada, and South Africa. Our executive team has a proven track record of building, scaling, and successfully exiting SaaS businesses — and we’re just getting started. Join us to help build a world-class team that creates world-class work. The role As a HubSpot Web Developer, you will play a critical role in shaping Ziflow’s digital presence. You will work closely with our Creative, Content, and Demand Generation teams to translate creative designs into high-performing web properties. You will be involved in every aspect of our web presence, from the execution of new designs and collaborating with stakeholders, to monitoring technical SEO and GEO performance and user experience. We are looking for a "digital native" who is calm when priorities shift. In our fast-moving marketing environment, you’ll need to adapt to last-minute requests without missing a beat, bringing solutions rather than friction when things change. You shouldn't just want to code; you should feel empowered to take ownership and suggest new ideas on how to make our website experience world-class. This role requires someone who is a collaborative team player, comfortable self-managing, and capable of explaining technical concepts clearly to any audience. Responsibilities Execute designs for our web properties, ensuring pixel-perfect implementation. Work closely with content and demand generation teams to plan for upcoming changes and additions to the website. Evaluate and suggest tuning opportunities for performance and user experience improvements. Monitor our landing pages and forms for issues and identify areas for improvement through methodical A/B testing. Maintain knowledge of industry best practices related to conversion and technical SEO optimization. Analyze data to determine whether new additions or changes to our website have been productive. Collaborate with the product team as needed to help with product-related development. Qualifications Work experience in a similar web development role 2+ years. Experience with the HubSpot Content Management System (CMS). Strong knowledge of HTML & CSS, including layout, specificity, cross-browser compatibility, and accessibility. Proficiency in JavaScript and familiarity with the ECMAScript 6 specification. Working experience with Sass (SCSS syntax). Hands-on experience with GIT and basic knowledge of Node.js. Good knowledge of SEO optimization and Responsive Web Design (RWD). Strong organizational and prioritization skills, with the ability to remain flexible and deliver multiple projects within marketing sprints. Desirable Skills Experience in Agile software development practices and marketing workflows. Excellent communication skills, able to collaborate effectively with different groups and executive stakeholders. A proactive mindset towards testing and experimenting with new ideas to improve site performance.

🏢 Summary: Full Stack Developer role with a primary focus on backend development in Java, responsible for building and maintaining scalable, secure microservices and REST APIs within an Agile environment. The position involves database design, cloud integration, and CI/CD pipeline participation, with additional work on modern React-based frontend components. The role emphasizes high code quality, performance optimization, and secure application architecture. 🗂️ Requirements: 5+ years experience in Full Stack or Backend development, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Cloud platform experience (AWS, Azure, or GCP), Experience working in Agile teams, Bachelor’s or Master’s degree in Computer Science or related field 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, React, Redux, TypeScript, JavaScript, HTML5, CSS3, MaterialUI, Bootstrap, Tailwind, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is also required. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer. Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 Summary: Backend-focused Full Stack Developer role centered on designing and building scalable, secure Java-based applications within an Agile environment. The position emphasizes backend development with Spring Boot and microservices, while contributing to CI/CD, cloud deployments, and optionally modern React-based frontend components. You will develop high-performing systems, integrate APIs, and ensure code quality through testing and best practices. 🗂️ Requirements: 5+ years experience as Java Backend or Full Stack Developer, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Experience with AWS, Azure or GCP, Bachelor’s or Master’s degree in Computer Science or related field, Experience working in Agile teams 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP, React, Redux, TypeScript, HTML5, CSS3 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for a Backend-Focused Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is a valuable plus. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer (Java-focused). Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 Summary: Senior Full Stack Developer role focused on designing and delivering new features for a regulatory compliance platform using a modern JavaScript stack. The position involves end-to-end development, architectural design on AWS cloud, and technical leadership within an Agile environment. You will shape the technical direction of the product while building scalable, production-ready solutions. 🗂️ Requirements: 5+ years professional software development experience, High proficiency in React, Experience with Next.js, Strong Node.js skills, Advanced GraphQL and SQL knowledge, Experience with AWS cloud infrastructure, Experience with Git and CICD pipelines, Degree in Computer Science or equivalent 📃 Skills: React, Next.js, Node.js, TypeScript, GraphQL, SQL, AWS, Terraform, Serverless, Git, CICD, DevOps, Jira 🏢 Description: About Us We are a Gliwice-based IT company supporting a British startup that helps global e-commerce brands (food, supplements, cosmetics) navigate complex regulatory compliance through an intelligent, structured platform. The Role As a Senior Full Stack Developer, you will join the product engineering team to drive the platform from concept to delivery. You will work in a modern, supportive environment, implementing new features and shaping the technical direction of the product alongside a team of highly skilled engineers. Key Responsibilities End-to-End Delivery: Design and implement new features using our modern stack (React, Next.js, Node.js, GraphQL). Architecture & Design: Apply architectural principles to build scalable solutions on AWS cloud infrastructure. Leadership: Lead code reviews, mentor junior/mid-level colleagues, and influence strategic technical decisions. Collaboration: Work closely with stakeholders and cross-functional teams in an Agile environment (DevOps/Jira). Requirements Experience: 5+ years of professional software development experience. Frontend: High proficiency in React; experience with Next.js is highly advantageous. Backend & Data: Strong skills in Node.js and advanced database programming (GraphQL/SQL). DevOps: Deep understanding of Git, CI/CD pipelines, and cloud platforms (preferably AWS). Education: Degree in Computer Science or equivalent reputable coding bootcamp. Mindset: Proactive leader with excellent communication skills and a "builder" mentality. Tech Stack: React, Next.js, Node.js, TypeScript, GraphQL, AWS (Serverless/Terraform).

🏢 Summary: Senior Fullstack Software Engineer role focused on building and deploying cloud-based systems using modern software craftsmanship practices and AI-assisted development tools. The position involves end-to-end software delivery, clean architecture, code reviews, testing, and improving delivery processes in a remote-first senior engineering team. 🗂️ Requirements: 5+ years of professional experience with Java or Kotlin, 3+ years of professional experience with JavaScript or TypeScript, Hands-on experience with SQL and NoSQL, Experience with AWS, GCP, or Azure, Experience with AI-assisted software development, Strong teamwork and collaboration skills 📃 Skills: Java, Kotlin, JavaScript, TypeScript, SQL, NoSQL, AWS, GCP, Azure, Microservices, TDD, BDD, DDD, Claude 🏢 Description: We are looking for a Senior Fullstack Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company founded by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: 5+ years of professional experience with Java or/and Kotlin 3+ years of professional experience with JavaScript or/and TypeScript Hands-on experience with SQL and NoSQL Experience with cloud platforms (AWS / GCP / Azure) AI-assisted software development experience Nice to have: Microservices experience Understanding of distributed systems and event-driven architectures TDD, BDD practitioner Domain-Driven Design knowledge As a part of the team you will : Design, implement, code review, test and deploy cloud-based systems Develop software from start to finish - you ship it, you run it! Deliver quality technical solutions that come from a robust design and clean architecture Build & improve the software delivery process using tools such as Claude Code How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with an ability to learn and exchange knowledge Remote-first work environment B2B rate 140-190 PLN / hour, depending on your level of expertise Open-ended B2B contract or contract of employment Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1h) Architecture task (1h) At least one of the stages must be completed on-site in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment, we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.

🏢 Summary: Senior Full-stack Engineer role focused on building and scaling a modern B2B SaaS platform for subscription-based e-commerce. The position involves end-to-end feature delivery, architectural decisions, and improving system scalability and reliability. High-impact role with strong ownership over technical direction and product evolution. 🗂️ Requirements: 7+ years engineering experience in complex systems, Strong system design skills, Experience designing scalable architectures, Full-stack development experience, Experience building SaaS platforms, Experience with e-commerce systems 📃 Skills: JavaScript, TypeScript, SaaS, Architecture, Scalability, Reliability, APIs, Ecommerce, Payments, Cloud 🏢 Description: Senior Full-stack Engineer Our client is building a modern B2B SaaS platform that enables businesses to launch and scale subscription-based models for physical and digital products. The product sits at the intersection of e-commerce, payments, and developer tooling, with a strong focus on extensibility and developer experience. The team is lean, senior, and highly experienced, backed by strong investors and industry advisors. They operate with high autonomy, fast execution, and strong ownership culture. Role We are looking for a Senior Full-stack Engineer to help shape the next evolution of the platform. You will work across architecture, product, and infrastructure, focusing on scalability, reliability, and developer experience. This is a high-impact role where you will influence both technical direction and product decisions. Responsibilities Build and evolve a scalable SaaS platform Design and deliver new features end-to-end Improve performance, reliability, and system architecture Collaborate with product, design, and growth teams Requirements 7+ years of engineering experience in complex systems Strong architectural and system design skills Ability to choose appropriate technologies per problem Experience working in cross-functional teams Strong communication in Polish and English Startup mindset: ownership, speed, adaptability Experience with e-commerce platforms is a plus Offer High-impact role in a senior engineering team with real product ownership and influence. Competitive salary plus ESOP, fully remote work (Poland), regular team offsites, and modern tooling including MacBook Pro and AI credits. Direct access to founders, investors, and advisors.

🏢 Summary: A fully remote Full Stack Engineer role in a late-stage product company building a new engineering team in Poland. The position focuses on developing scalable, production-grade applications using TypeScript, React, and Node.js across the stack. Engineers collaborate cross-functionally to deliver end-to-end features with strong emphasis on quality, performance, and reliability. 🗂️ Requirements: Strong proficiency in TypeScript, Experience with React, Experience with Node.js or server-side TypeScript, Understanding of testing practices, Experience with CI/CD, Experience with version control, Ability to work in a collaborative, fast-paced environment 📃 Skills: TypeScript, React, Node.js, CI/CD, Git, APIs, Microservices, AWS, GCP, Azure, Testing 🏢 Description: A late-stage (Series D), well-funded product company is building a brand-new, fully-remote engineering team in Poland. We're looking for talented Full Stack Engineers who can build high-quality, scalable applications using TypeScript , React , and modern backend frameworks. You'll work closely with product, design, and other engineers to deliver features end-to-end. While financial markets experience is a plus, it is not required - strong engineering fundamentals matter more. We are open to candidates who specialize in only front-end or only back-end development, as well as true full-stack engineers. What You'll Do Design, build, and maintain production-grade applications using TypeScript across the stack. Develop intuitive, performant user interfaces using React and modern front-end tooling. Build and maintain backend services, APIs, and integrations (Node.js / TypeScript). Collaborate with product managers and designers to translate requirements into technical solutions. Write clean, testable, maintainable code with strong attention to performance and reliability. Participate in code reviews, architecture discussions, and continuous improvement initiatives. Troubleshoot issues across the stack and contribute to a culture of engineering excellence. Required Skills Strong proficiency in TypeScript . Experience with React for front-end development. Experience with Node.js , server-side TypeScript, or similar backend frameworks. Solid understanding of modern software engineering practices: testing, CI/CD, version control, code reviews. Ability to work in a fast-paced, collaborative environment. Nice to Have Experience working in financial markets , fintech, or trading systems. Familiarity with cloud platforms (AWS, GCP, Azure). Experience with microservices, event-driven architectures, or distributed systems. Exposure to data visualization libraries or real-time data applications. Experience with performance optimization on either the front-end or back-end.

🏢 Summary: Senior Fullstack Software Engineer & Tech Lead role focused on designing and delivering scalable, cloud-native applications on AWS using modern full-stack technologies. The position combines hands-on development with technical leadership, architecture design, and infrastructure automation. The engineer will drive end-to-end solutions, from UI and APIs to CI/CD and Infrastructure-as-Code. 🗂️ Requirements: 8+ years of software engineering experience, Strong experience in full-stack development, Expertise in TypeScript, Experience with React, Hands-on experience with AWS, Experience with serverless services (Lambda, Batch), Knowledge of Infrastructure-as-Code (Terraform or CloudFormation), Experience with RESTful API development, Experience with relational databases, Experience with NoSQL databases, Experience with CI/CD pipelines, Ability to lead technical design and mentor engineers 📃 Skills: TypeScript, React, AWS, Lambda, Batch, Terraform, CloudFormation, REST, SQL, SQLServer, DB2, Sybase, MongoDB, Elasticsearch, CI/CD 🏢 Description: Senior React Developer with AWS Join a global leader in financial technology as a Senior React Developer with AWS, shaping the future of innovative, cloud-native web applications. In this high-impact role, you'll spearhead the design and development of cutting-edge solutions at a major international institution, collaborating with cross-functional teams across Warsaw, London, New York, and India. Be part of a forward-thinking environment driving a transformative cloud migration strategy, leveraging AI and modern development practices to deliver scalable, high-performance platforms. What You'll Do: Architect and engineer modern web applications using React, TypeScript, and AWS Lead technical decision-making and provide architectural guidance to the development team Develop and maintain serverless solutions with AWS Lambda, Batch, and CloudWatch Write Infrastructure-as-Code with Terraform to streamline deployment and infrastructure management Collaborate closely with designers, product managers, and stakeholders to translate requirements into robust solutions Support migration of legacy systems to cloud-native, React-based architectures Optimize CI/CD pipelines for automated, efficient deployment Work with cloud storage solutions such as S3, MongoDB, and ElasticSearch Required Skills: 8+ years of practical software engineering experience Strong expertise in React and TypeScript Hands-on experience with AWS services, especially Lambda, Batch, and CloudWatch Experience with Terraform or similar Infrastructure-as-Code tools Solid understanding of relational and non-relational databases (MongoDB, ElasticSearch, S3) Knowledge of RESTful API design and development Excellent communication skills, capable of engaging with non-technical stakeholders Bachelor’s degree in Computer Science, Engineering, Mathematics, or related field Nice to Have Skills: Experience with CI/CD pipelines Familiarity with serverless architecture best practices Knowledge of AI development tooling in cloud environments Preferred Education and Experience: Bachelor’s or higher degree in a technical discipline 8+ years of professional experience in software engineering, with a focus on full-stack and cloud-native solutions Other Requirements: Ability to work in an on-site environment in the centre of Warsaw Willingness to contribute to a dynamic, global team driven by innovation and excellence Bring your expertise to a role that truly makes an impact - apply now and help shape the future of financial technology!

🏢 Summary: Hybrid Senior Fullstack Developer role focused on building and maintaining large-scale, event-driven microservices systems using modern Java and Spring Boot alongside Angular-based SPAs. The position involves end-to-end development, security implementation, and active participation in CI/CD and Agile processes. Requires strong hands-on experience across backend and frontend technologies in distributed environments. 🗂️ Requirements: Minimum 6 years professional software development experience, Senior-level hands-on experience with large-scale applications, Strong fullstack experience (backend and frontend), Java 17+ (Java 21 preferred), Spring Boot 3.x and microservices architecture, Experience with Kafka and event-driven systems, Experience with Node.js and TypeScript, Proven experience building SPAs with Angular, Strong SQL skills with Oracle, Experience with OAuth2 and OIDC, Understanding of OWASP web security principles, Experience with Git version control, Experience with GitLab CI, Ability to work in Agile (Scrum/Kanban) environments, Professional English proficiency 📃 Skills: Java, Spring, SpringBoot, Microservices, Kafka, Node.js, TypeScript, Angular, SQL, Oracle, OAuth2, OIDC, OWASP, Git, GitLab, CI/CD, DDD, Redis, Docker, Kubernetes, Jenkins, Maven, Webpack, Python, Jira, Confluence 🏢 Description: Senior Fullstack Developer . This is a hybrid position based in Warsaw , (50% on-site presence). Responsibilities Design, implement and maintain backend services using modern Java (versions 17–21) and Spring Boot 3.x within microservices architectures. Develop and maintain frontend components and Single Page Applications using Node.js, TypeScript and Angular, ensuring maintainability and sound frontend architecture. Architect and implement event-driven and messaging solutions using Kafka; integrate with relational databases (Oracle) and in-memory stores (Redis). Apply Domain-Driven Design principles to model complex business domains and deliver modular, testable solutions. Contribute to security design and implementation of web applications, including OAuth2/OIDC integration and adherence to OWASP principles. Participate in CI/CD pipelines (GitLab CI required), version control workflows (Git), and use developer tools such as IntelliJ and VS Code. Collaborate with distributed, international teams using Agile methodologies (Scrum/Kanban), Jira and Confluence; perform code reviews and provide practical technical guidance to peers. Qualifications Minimum 6 years of professional software development experience, with senior-level, hands-on delivery on large-scale applications. Strong fullstack background; backend-only candidates will not be considered. Excellent written and spoken English. Required technical skills: Java 17 or newer (Java 21 experience preferred) Spring Boot (3.x) and microservices Kafka (event-driven / messaging systems) Domain-Driven Design (DDD) Node.js and TypeScript Proven experience building SPAs with Angular Strong SQL skills, particularly with Oracle Security and tooling: Practical experience with OAuth2 and OIDC; strong understanding of web application security and OWASP principles Version control with Git and CI/CD with GitLab CI (required) Familiarity with Kafka in both backend and operational contexts Working knowledge of Jira and Confluence Desirable (nice to have): Experience with Redis Familiarity with Docker and Kubernetes Experience with Jenkins, Maven and Webpack Python and familiarity with AI-based code generation tools Experience working in distributed, international teams and a DevOps mindset. Benefits Hybrid working arrangement: Warsaw, Poland — approximately 50% on-site presence. Opportunity to work on large-scale systems using modern Java, microservices and event-driven architectures. Collaboration within distributed, international teams and exposure to established Agile and DevOps practices. Use of contemporary developer tooling and platforms (IntelliJ, VS Code, GitLab CI, Kafka, Spring Boot). Scope to apply and deepen expertise in security, DDD and end-to-end fullstack development. Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere. Agile approach and no bureaucracy. Outstanding integration trips to various places in Europe for all employees. Activities to support your well-being and health. Luxmed Gold Extended medical care and Multisport Plus benefit. If you meet the stated qualifications and are interested in this opportunity, we encourage you to apply via the application form.