JavaScript (React, Typescript)/ Mashup Developer

🏢 Summary: Fullstack Developer role in the financial sector focused on delivering end-to-end features across the development lifecycle, including analysis, design, testing, and production support. The position involves iterative delivery of business requirements, backend collaboration, and maintaining a balance between new features and technical debt. Hybrid work model with regular on-site presence in Kraków. 🗂️ Requirements: 5+ years commercial experience as Fullstack Developer, Strong experience with JavaScript, Strong experience with CSS, Experience with NodeJS (client and server), Knowledge of Accessibility standards and implementation, Working knowledge of Unix, Understanding of databases from consumer perspective, Knowledge of HTTP APIs and RESTful services, Basic knowledge of Java or Kotlin, Fluent English 📃 Skills: JavaScript, CSS, NodeJS, Unix, REST, HTTP, Java, Kotlin, Databases, Accessibility 🏢 Description: For our Client we are looking for an experienced Fullstack Developer to participate in all parts of the development life cycle including analysis, testing and production support. 📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector Key Responsibilities: Work within a team of developers with a dedicated product owner Take a business requirement, divide it up into stories and deliver each story iteratively to production Product support is integral to the role Identify areas of technical debt, ensure a healthy balance of tech debt and new functionality is prioritised and worked on For new items you need to design the solution and ensure that it follows technology guidelines and constraints Pairing with other members of the team Willing to work also with backend Requirements: 5+ years of commercial experience in similar position Demonstratable experience of JavaScript, CSS & Node JS (client & server) Awareness of best Accessibility practices and knowledge how to implement them Working knowledge of unix Must understand databases from a consumer point of view Knowledge of HTTP APIs e.g. RESTful APIs Basic Java or Kotlin knowledge Nice to have UX knowledge and ability to propose improvements to business requirements Fluent English Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Fullstack Developer role in the financial sector, responsible for designing and developing scalable Java-based applications across the full SDLC. The position involves backend and frontend development, UI improvements, DevOps activities, and production support in a hybrid work model. The role also includes architecture participation, database optimization, and service lifecycle management. 🗂️ Requirements: 5+ years of experience in Java production application development, Experience in frontend development (React preferred), Proficiency in Java and WebAPI development, Experience in building and maintaining scalable backend services, Strong database design and SQL skills, Hands-on experience with PostgreSQL and advanced T-SQL, Experience with CI/CD and DevOps practices, Experience across full SDLC, Fluent English 📃 Skills: Java, React, WebAPI, PostgreSQL, SQL, T-SQL, CI, CD, DevOps, SDLC 🏢 Description: For our Client we are looking for an experienced Fullstack Developer to participate in all parts of the development life cycle including analysis, testing and production support. 📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector Key Responsibilities: Participating in software architecture design Leading UI changes and improvements to increase overall UX and application stability Implementing solutions according to best Design Patterns Analyze requirements to fully understand solutions and recommend improvements Create comprehensive and clear documentation for developed solutions Develop and work on application prototypes to validate concepts and designs Management of Changes through the Service management lifecycle Active involvement in Automation and improvement of Service Management lifecycle Provide exceptional customer support by addressing and resolving issues promptly Communicate effectively with customers to understand their needs and provide appropriate solutions Requirements: 5+ professional experience in production applications development in Java including front-end development (preferably React) with a strong ability to troubleshoot, resolve, and prevent issues in a high-pressure environment Proficiency in Java and Web API development, with a solid understanding of building and maintaining scalable, secure, and efficient backend services Expertise in database design and SQL skills, particularly with PostgreSQL including advanced T-SQL scripting, query optimization, and performance tuning Comprehensive experience in a DevOps activities like continuous integration, continuous delivery Experience with the Software Development Life Cycle (SDLC), including requirements gathering, design, development, testing, deployment, and maintenance Fluent English Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Hybrid Front-End / Fullstack Engineer role focused on building and maintaining modern web applications using Angular and Node.js for large-scale, business-critical projects in the financial services domain. The position involves working in an international team within a disciplined, quality-driven engineering environment. Responsibilities include development, code quality assurance, and contribution to CI/CD processes. 🗂️ Requirements: Strong experience with JavaScript, Strong experience with TypeScript, Hands-on experience with Angular, Experience with Node.js, Experience with NestJS, Very good knowledge of HTML5, Very good knowledge of CSS3, Very good knowledge of SCSS, Familiarity with CI/CD processes, Solid understanding of front-end best practices 📃 Skills: JavaScript, TypeScript, Angular, Node.js, NestJS, HTML5, CSS3, SCSS, CI/CD 🏢 Description: Front-End / Fullstack Engineer (JavaScript / TypeScript) Hybrid work model – 2 days per week from the office in Kraków We are looking for a Front-End / Fullstack Engineer with strong experience in JavaScript and TypeScript , who is comfortable working across both front-end and back-end technologies. The ideal candidate has hands-on experience with Angular and Node.js and enjoys collaborating with a strong, international team of engineers to build applications for a large-scale, business-critical initiative within the financial services domain. While solid technical foundations are essential, we are primarily looking for passionate engineers who are eager to continuously improve, challenge themselves, and work in a highly disciplined, verifiable, and quality-driven engineering environment . Your Responsibilities Design, develop, and maintain modern web applications using Angular and Node.js Collaborate closely with engineers, product owners, and stakeholders in an international environment Apply best practices in front-end development, ensuring high code quality and maintainability Contribute to CI/CD pipelines and development automation Actively participate in code reviews, technical discussions, and continuous improvement initiatives Core Skills & Requirements Strong experience with JavaScript and TypeScript Solid understanding of front-end best practices Hands-on experience with Angular Experience with Node.js and NestJS Very good knowledge of HTML5, CSS3, SCSS Familiarity with CI/CD processes Ability to work in a structured, disciplined engineering environment Strong communication skills and ability to work in an international team Nice to Have Experience with the ELK stack Experience using Ag-Grid Exposure to Google Cloud Platform or Alibaba Cloud Basic knowledge of or interest in Machine Learning What We Value Passion for clean, maintainable, and verifiable code Willingness to learn and continuously improve technical skills Ownership, accountability, and a proactive engineering mindset Team-oriented attitude and openness to feedback Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Senior Frontend Developer role focused on designing and building modern web applications using React and TypeScript, with strong involvement in architecture and UX improvements. The position emphasizes ownership of frontend solutions, performance optimization, and contribution across the full SDLC. It is a hybrid B2B opportunity based in Kraków. 🗂️ Requirements: Minimum 5 years of experience developing web applications in React, Strong proficiency in React, Strong proficiency in TypeScript, Experience in UI/UX design, Experience creating wireframes and prototypes, Knowledge of design patterns, Knowledge of frontend best practices, Experience with full Software Development Life Cycle (SDLC) 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, SDLC, UI, UX, Wireframing, Prototyping, DesignPatterns 🏢 Description: 🚀 Senior Frontend Developer (React / TypeScript) Location: Kraków/Hybrid Contract Type: B2B 💡 About the Role We are looking for an experienced Senior Frontend Developer who not only excels in the React ecosystem but also wants to make a real impact on the product — from architecture, through UX, to application stability. This role is perfect for someone who enjoys taking ownership of solutions, proposing improvements, and working closely with both business teams and end-users. 🎯 Responsibilities Design and develop modern web applications using React and TypeScript Implement UI/UX improvements and optimize application performance and stability Contribute to frontend architecture and make technical decisions Analyze requirements and suggest improvements or solutions Create wireframes and prototypes to validate concepts and designs Collaborate with product and technical teams Troubleshoot production issues and provide user support 🧠 Requirements Minimum 5 years of professional experience developing web applications in React Strong proficiency in React and TypeScript Experience in UI/UX design, including wireframes and prototypes Knowledge of design patterns and frontend best practices Experience with full Software Development Life Cycle (SDLC) Excellent problem-solving skills and ability to work under pressure Strong communication and collaboration skills with stakeholders ➕ Nice to Have Experience with CI/CD pipelines and DevOps practices Experience with service management systems (e.g., Jira, ServiceNow) Customer-focused mindset and experience supporting end-users 🎁 What We Offer Real impact on product and technology decisions Opportunity to work with modern frontend technologies Flexible working hours and remote work options Stable long-term project and collaboration Friendly team culture focused on cooperation and growth How to Apply If you want to build modern web applications, influence product decisions, and grow your skills in architecture and UX — we’d love to hear from you! Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Fullstack Developer role in the financial services domain, focused on building and modernizing a large-scale international payments platform using Java and React. The position involves developing microservices and REST APIs, enhancing modern web applications, and contributing to cloud-native, scalable solutions within an Agile environment. You will work across backend and frontend, supporting CI/CD, DevOps initiatives, and system performance optimization. 🗂️ Requirements: 5+ years of professional software development experience, Strong hands-on experience with Java 11+, Experience with Spring Framework and Spring Boot, Experience designing and developing REST APIs, Understanding of microservices architecture, Commercial experience with React, Experience with JavaScript or TypeScript, Strong SQL skills, Experience with relational databases, Experience with Git, Hands-on experience with Kubernetes, Experience working in Agile teams, Understanding of CI/CD processes, Experience working in DevOps environments 📃 Skills: Java, Spring, SpringBoot, React, JavaScript, TypeScript, SQL, Oracle, Git, Kubernetes, REST, Microservices, CI/CD, DevOps, AWS, Azure, GCP 🏢 Description: Fullstack Developer 📍 Location: Kraków, Poland (hybrid – 2 days per week in the office) 📄 Contract Type: B2B 🏦 Industry: Financial Services / Payments About the Project We are looking for an experienced Fullstack Developer (Java + React) to join an international payments platform operating in a large-scale enterprise environment. The system supports a wide range of financial transactions and payment operations across multiple regions worldwide. As part of a cross-functional Agile team, you will be involved in both backend and frontend development, contributing to the design and delivery of modern, scalable solutions built on microservices and API-first architecture. Key Responsibilities Design, develop, and maintain backend applications and microservices using Java. Build and enhance modern web applications using React. Develop and maintain RESTful APIs and microservice-based solutions. Participate in the modernization of existing systems and migration to modern architectures. Write clean, maintainable, and well-tested code following engineering best practices. Contribute to automated testing, CI/CD pipelines, and DevOps initiatives. Collaborate closely with architects, business analysts, product owners, and other development teams. Participate in code reviews and support continuous improvement of development standards. Troubleshoot, optimize, and enhance system performance, reliability, and scalability. Requirements 5+ years of professional software development experience. Strong hands-on experience with Java 11+ (Java 17 or Java 21 preferred). Solid experience with Spring Framework and Spring Boot. Experience designing and developing REST APIs. Good understanding of microservices architecture. Commercial experience with React and JavaScript/TypeScript. Strong SQL skills and experience working with relational databases (Oracle is a plus). Experience with Git and modern software development practices. Hands-on experience with Kubernetes and containerized environments. Experience working in Agile teams. Understanding of CI/CD processes and collaboration within DevOps environments. Nice to Have Experience in the financial services, banking, or payments industry. Experience with automated testing frameworks and test automation practices. Exposure to cloud platforms such as AWS, Azure, or GCP. Familiarity with integration patterns and high-availability systems. What We Offer Opportunity to work on a long-term international project with significant scale and complexity. Exposure to modern technologies, microservices architecture, and cloud-native practices. Real impact on product development and technical solutions. Luxmed private healthcare package. Multisport card. Collaborative engineering culture focused on quality, automation, and continuous improvement. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Fullstack Developer role (Java + React) in a large-scale international payments platform, focused on building and modernizing microservices and API-driven systems in an enterprise environment. The position involves both backend and frontend development within Agile teams, contributing to scalable, cloud-ready solutions. 🗂️ Requirements: 5+ years of professional software development experience, Strong experience with Java 11+, Proficiency in Spring Framework and Spring Boot, Experience designing and developing REST APIs, Understanding of microservices architecture, Commercial experience with React, Experience with JavaScript or TypeScript, Strong SQL skills, Experience with relational databases, Experience with Git, Hands-on experience with Kubernetes, Experience working in Agile teams, Understanding of CI/CD processes, Experience in DevOps environments 📃 Skills: Java, Spring, SpringBoot, React, JavaScript, TypeScript, SQL, Oracle, Git, Kubernetes, REST, Microservices, CI/CD, DevOps, AWS, Azure, GCP 🏢 Description: Fullstack Developer 📍 Location: Kraków, Poland (hybrid – 2 days per week in the office) 📄 Contract Type: B2B 🏦 Industry: Financial Services / Payments About the Project We are looking for an experienced Fullstack Developer (Java + React) to join an international payments platform operating in a large-scale enterprise environment. The system supports a wide range of financial transactions and payment operations across multiple regions worldwide. As part of a cross-functional Agile team, you will be involved in both backend and frontend development, contributing to the design and delivery of modern, scalable solutions built on microservices and API-first architecture. Key Responsibilities Design, develop, and maintain backend applications and microservices using Java. Build and enhance modern web applications using React. Develop and maintain RESTful APIs and microservice-based solutions. Participate in the modernization of existing systems and migration to modern architectures. Write clean, maintainable, and well-tested code following engineering best practices. Contribute to automated testing, CI/CD pipelines, and DevOps initiatives. Collaborate closely with architects, business analysts, product owners, and other development teams. Participate in code reviews and support continuous improvement of development standards. Troubleshoot, optimize, and enhance system performance, reliability, and scalability. Requirements 5+ years of professional software development experience. Strong hands-on experience with Java 11+ (Java 17 or Java 21 preferred). Solid experience with Spring Framework and Spring Boot. Experience designing and developing REST APIs. Good understanding of microservices architecture. Commercial experience with React and JavaScript/TypeScript. Strong SQL skills and experience working with relational databases (Oracle is a plus). Experience with Git and modern software development practices. Hands-on experience with Kubernetes and containerized environments. Experience working in Agile teams. Understanding of CI/CD processes and collaboration within DevOps environments. Nice to Have Experience in the financial services, banking, or payments industry. Experience with automated testing frameworks and test automation practices. Exposure to cloud platforms such as AWS, Azure, or GCP. Familiarity with integration patterns and high-availability systems. What We Offer Opportunity to work on a long-term international project with significant scale and complexity. Exposure to modern technologies, microservices architecture, and cloud-native practices. Real impact on product development and technical solutions. Luxmed private healthcare package. Multisport card. Collaborative engineering culture focused on quality, automation, and continuous improvement. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: B2B Fullstack Developer (Java + React) role in a large-scale international payments platform, working in a hybrid model in Kraków. The position involves building and modernizing microservices-based and API-first solutions within an Agile team. You will contribute to backend and frontend development, CI/CD, and cloud-native initiatives in a complex enterprise environment. 🗂️ Requirements: 5+ years of professional software development experience, Strong experience with Java 11+, Hands-on experience with Spring Framework and Spring Boot, Experience designing and developing REST APIs, Understanding of microservices architecture, Commercial experience with React, Experience with JavaScript or TypeScript, Strong SQL skills, Experience with relational databases, Experience with Git, Hands-on experience with Kubernetes, Experience working in Agile teams, Understanding of CI/CD processes, Experience in DevOps environments 📃 Skills: Java, Spring, SpringBoot, React, JavaScript, TypeScript, SQL, Oracle, Git, Kubernetes, REST, Microservices, CI/CD, DevOps 🏢 Description: Fullstack Developer 📍 Location: Kraków, Poland (hybrid – 2 days per week in the office) 📄 Contract Type: B2B 🏦 Industry: Financial Services / Payments About the Project We are looking for an experienced Fullstack Developer (Java + React) to join an international payments platform operating in a large-scale enterprise environment. The system supports a wide range of financial transactions and payment operations across multiple regions worldwide. As part of a cross-functional Agile team, you will be involved in both backend and frontend development, contributing to the design and delivery of modern, scalable solutions built on microservices and API-first architecture. Key Responsibilities Design, develop, and maintain backend applications and microservices using Java. Build and enhance modern web applications using React. Develop and maintain RESTful APIs and microservice-based solutions. Participate in the modernization of existing systems and migration to modern architectures. Write clean, maintainable, and well-tested code following engineering best practices. Contribute to automated testing, CI/CD pipelines, and DevOps initiatives. Collaborate closely with architects, business analysts, product owners, and other development teams. Participate in code reviews and support continuous improvement of development standards. Troubleshoot, optimize, and enhance system performance, reliability, and scalability. Requirements 5+ years of professional software development experience. Strong hands-on experience with Java 11+ (Java 17 or Java 21 preferred). Solid experience with Spring Framework and Spring Boot. Experience designing and developing REST APIs. Good understanding of microservices architecture. Commercial experience with React and JavaScript/TypeScript. Strong SQL skills and experience working with relational databases (Oracle is a plus). Experience with Git and modern software development practices. Hands-on experience with Kubernetes and containerized environments. Experience working in Agile teams. Understanding of CI/CD processes and collaboration within DevOps environments. Nice to Have Experience in the financial services, banking, or payments industry. Experience with automated testing frameworks and test automation practices. Exposure to cloud platforms such as AWS, Azure, or GCP. Familiarity with integration patterns and high-availability systems. What We Offer Opportunity to work on a long-term international project with significant scale and complexity. Exposure to modern technologies, microservices architecture, and cloud-native practices. Real impact on product development and technical solutions. Luxmed private healthcare package. Multisport card. Collaborative engineering culture focused on quality, automation, and continuous improvement. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Frontend Engineer role focused on building and maintaining front-end applications for a large-scale global payments platform. The position involves working with modern React and TypeScript stack, collaborating with backend teams, and enhancing payment processing and observability tools. The role is delivered in a hybrid model within an Agile, DevOps-oriented environment. 🗂️ Requirements: Strong knowledge of React 18, Strong knowledge of TypeScript 5, Strong knowledge of Bootstrap 5, Understanding of RESTful microservices and APIs, Experience with SQL and databases, Experience with legacy UX technologies (e.g., JSP), Understanding of DevOps ways of working 📃 Skills: React, TypeScript, Bootstrap, REST, SQL, JSP, Microservices, APIs, DevOps, Agile 🏢 Description: Frontend Engineer – React / TypeScript 📍 Kraków | Hybrid (2 days per week from the office) 💼 B2B | 180–200 PLN/h We are looking for a Frontend Engineer to join a regional EMEA technology team working on the Global Disbursements platform - a large‑scale payments system enabling customers and businesses to move funds quickly and securely across markets. What you will be doing: • Develop, maintain and support front‑end applications and microservices • Work with React 18, TypeScript 5, Bootstrap 5 • Build and support services in collaboration with backend teams using Java 8/11/17 and Spring Boot • Contribute to improving observability and operational tooling for payment flows • Support automation testing frameworks to reduce testing costs • Enhance Straight‑Through‑Processing (STP) capabilities of services • Collaborate with engineering, product and DevOps teams in an Agile environment What we are looking for: • Strong knowledge of React 18, TypeScript 5, Bootstrap 5 • Working understanding of RESTful microservices and APIs • Experience with SQL and database technologies • Previous experience with legacy UX technologies (e.g., JSP) • Understanding of DevOps ways of working Nice to have: • Knowledge of Spring / Spring Boot • Experience working in DevOps delivery teams • Familiarity with legacy UI technologies • Experience with Java 8+ (Java 17+ is a plus) Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Frontend Engineer role focused on building and supporting a large-scale global payments platform using modern React and TypeScript. The position involves developing front-end applications and collaborating on microservices within an Agile, DevOps-oriented environment. The engineer will enhance payment flows, automation testing, and operational tooling. 🗂️ Requirements: Minimum 6 months experience in payments or disbursements domain, Strong knowledge of React 18, Strong knowledge of TypeScript 5, Strong knowledge of Bootstrap 5, Experience with Java 8 or higher, Understanding of RESTful microservices and APIs, Experience with SQL and databases, Experience with legacy UX technologies (JSP), Understanding of DevOps ways of working 📃 Skills: React, TypeScript, Bootstrap, Java, REST, SQL, JSP, Microservices, DevOps 🏢 Description: Frontend Engineer – React / TypeScript 📍 Kraków | Hybrid (2 days per week from the office) 💼 B2B | 180–220 PLN/h We are looking for a Frontend Engineer to join a regional EMEA technology team working on the Global Disbursements platform - a large‑scale payments system enabling customers and businesses to move funds quickly and securely across markets. What you will be doing: • Develop, maintain and support front‑end applications and microservices • Work with React 18, TypeScript 5, Bootstrap 5 • Build and support services in collaboration with backend teams using Java 8/11/17 and Spring Boot • Contribute to improving observability and operational tooling for payment flows • Support automation testing frameworks to reduce testing costs • Enhance Straight‑Through‑Processing (STP) capabilities of services • Collaborate with engineering, product and DevOps teams in an Agile environment What we are looking for: • At least 6 months of experience in the payments/disbursements area • Strong knowledge of React 18, TypeScript 5, Bootstrap 5 • Experience with Java 8+ (Java 17+ is a plus) • Working understanding of RESTful microservices and APIs • Experience with SQL and database technologies • Previous experience with legacy UX technologies (e.g., JSP) • Understanding of DevOps ways of working Nice to have: • Knowledge of Spring / Spring Boot • Experience working in DevOps delivery teams • Familiarity with legacy UI technologies Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: B2B Full Stack Engineer role in FinTech focused on building and maintaining secure microservices-based applications using Python and JavaScript in a hybrid model. The position involves developing web services and data pipelines, deploying containerized applications via CI/CD, and ensuring operability through testing and troubleshooting. You will collaborate in an agile, security-driven environment to deliver scalable and compliant software solutions. 🗂️ Requirements: Extensive experience in Python web development with FastAPI, Flask or Django, Experience building data pipelines in Python using Pandas, Numpy and workflow tools, Strong knowledge of microservices architecture and CQRS, SAGA, event sourcing, Experience with containerization using Docker and Kubernetes, Hands-on experience with CI/CD tools such as Jenkins or GitLab, Strong Linux system administration skills, Understanding of TCP/IP, DNS, Firewalls and networking fundamentals, Proficiency with Git and branching strategies, Frontend development experience with HTML, CSS and JavaScript, Strong SQL skills with ability to write complex queries, Experience writing automated unit, integration and functional tests, Experience working in Agile and DevSecOps environments using Jira and Confluence 📃 Skills: Python, FastAPI, Flask, Django, JavaScript, HTML, CSS, React, Pandas, Numpy, Airflow, Luigi, Docker, Kubernetes, Jenkins, GitLab, Linux, Git, SQL, TCP/IP, DNS, Jira, Confluence 🏢 Description: FullStack Engineer (Python, JavaScript, React) Location: Kraków (hybrid model – 2 days per week from the office) Industry: FinTech Contract type: B2B About the Role As a Full Stack Engineer, your responsibilities will include the following: Working with and support your pod’s Product Owner and Development Lead in designing, developing anddelivering software solutions that meet stakeholder requirements. Working with Cybersecurity experts in understanding and refining requirements, delivering on featuresiteratively, whilst also proposing new technologies and solutions to help keep the bank secure. Adhering to the team’s design and development patterns, and in collaboration with the development leadactively identifing bottlenecks and to improve software development efficiencies. Adhering to the team’s governance procedures surrounding requirements intake, release and incidentmanagement, and actively contributing towards further streamlining processes (through automation). Ensuring the operability of existing services, including L2/L3 troubleshooting, bug fixing, and writingautomated test cases and any further technical documentation needed to support delivered code. Undertaking peer reviews and leading by example for junior developers in the team. Requirements Able to demonstrate extensive Python web development experience, using frameworks such as FastAPI (being the preference), Flask and/or Django. Experience developing data pipelines, primarily in Python, using libraries such as Pandas, Numpy, and tools such as Airflow, Luigi, etc. A strong understanding of microservice architectures and be knowledgeable on the implementation of concepts such as CQRS, SAGA and event sourcing. Experience building and deploying services to containers, using tools such as Docker and Kubernetes. Experience building and deploying services through CICD pipelines, with hands-on experience using tools such as Jenkins, Gitlab, etc. Strong sysadmin skills in Linux, coupled with a solid understanding of computer systems and networks in general, e.g. TCP/IP, DNS, Firewalls, Subnetting, etc. Proficient with Git and a working familiarity of several branching strategies such as GitFlow, Trunk based, etc. Good understanding and reasonable experience in frontend development, at a minimum using languages such as HTML, CSS, JavaScript. Strong SQL programming skills and be able to construct complex queries. Demonstrate a test-driven mindset, backed by experience developing automated tests cases, be it unit, integration, functional and non-functional tests. Good knowledge of agile and DevSecOps delivery processes within the context of working in a highly regulated environment and be comfortable using tools such as Jira and Confluence. Articulate, with very good verbal and written communication skills. This is essential as you’ll be part of a global team consisting of engineers and non-engineers alike. Able to demonstrate an ability to work and lead in a fast paced, team focused environment with a proven track record of delivering and completing assigned tasks as an individual, and as a team. Nice to Have Cybersecurity related experience would be highly advantageous, be it working with automated application security testing tools (e.g. SAST, DAST), performing Penetration Tests, Fuzz testing and/or any threatdetection and exploitation techniques. Strong experience building, deploying and operating infrastructure to a major cloud platform, such as AWS, GCP, Azure and/or Ali, using tools such as Terraform to provision and manage infrastructure as code, operational monitoring tools such as Prometheus, and service mesh tools such as Anthos. Strong frontend development experience, preferably in a JavaScript based language/framework such as React. In addition, experience developing and/or integrating with customer analytics products such as Matomo, and any further design and/or UX experience would be highly advantageous. Strong database administration / architecture experience, working with several relational database systems such as MSSQL, Postgres, as well as non-relational such as Mongo. Coupled to this, you will also have experience managing databases in a loosely coupled environment, with very strong performance and tuning skills. Experience working with Message Queue systems, such as Kafka, Rabbit, etc. What’s Offered Hybrid work model with flexibility Private medical care Multisport card Flexible working hours Opportunity to build a high-impact platform used across a global organization Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.