Java Developer

🏢 Summary: Remote Java Developer role focused on building and maintaining cloud-native, microservices-based backend systems for digital healthcare in the pharmaceutical industry, leveraging AI and LLM tools to enhance development processes. The position involves designing REST APIs, ensuring high code quality, and contributing to AI-driven clinical and decision-support solutions. Work is fully remote with an AI-first engineering approach. 🗂️ Requirements: Minimum 5 years experience with Java 17+, Strong knowledge of JVM internals, concurrency, and memory management, Strong experience with Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Proven experience designing microservices architectures, Experience developing REST APIs, Hands-on experience with AI/LLM coding tools, Experience with AWS cloud services, Experience with observability tools, Proficiency with SQL and NoSQL databases, Experience with CI/CD pipelines, Proficiency with Git, Fluent Polish, Residing in Poland 📃 Skills: Java, JVM, SpringBoot, SpringMVC, SpringDataJPA, SpringSecurity, Microservices, REST, AWS, Grafana, OpenTelemetry, DataDog, SQL, NoSQL, Git, CICD, LLM, Copilot, Cursor, AI 🏢 Description: We are looking for an experienced Java Developer to work on innovative solutions in the pharmaceutical industry. Our systems support clinicians and patients worldwide, leveraging cloud-native platforms, microservices, and cutting-edge AI technologies such as large language models and intelligent agents that enhance the software development lifecycle. If you want to help shape the future of digital healthcare, working 100% remotely with an AI-first approach, this role is for you. Your tasks Develop and maintain backend services using Java/Spring Boot Apply AI tools to speed up refactoring, boilerplate generation, and debugging Design and develop REST APIs in a microservices architecture Automate unit, integration, and end-to-end testing with AI-assisted approaches Collaborate on CI/CD and code review processes, enhanced by AI tools Ensure high code quality, adherence to SOLID principles, and software best practices Contribute to projects in cutting-edge AI applications in pharma, e.g., clinical data analysis, intelligent decision support, and process automation Requirements Extensive experience (minimum 5 years) with Java 17+, JVM internals, concurrency, and memory management Strong knowledge of Spring Boot, including Spring MVC, Spring Data JPA, and Spring Security Proven expertise in designing and developing microservices-based applications Familiarity with AI/LLM tools to accelerate coding, refactoring, and bug fixing (e.g., Copilot, Cursor) Ability to leverage AI agents for automating unit tests, documentation, and PR descriptions Expertise with AWS cloud and observability tools such as Grafana, OpenTelemetry, or DataDog Proficiency with SQL and NoSQL databases, CI/CD pipelines, and Git version control Fluent Polish required Residing in Poland required What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: The role involves developing and maintaining cloud-native, microservices-based backend systems in Java for innovative pharmaceutical solutions, with a strong AI-first approach. The position focuses on building REST APIs, applying AI tools to enhance development processes, and contributing to high-quality, scalable healthcare platforms in a fully remote setup. 🗂️ Requirements: Minimum 5 years of experience with Java 17+, Strong knowledge of JVM internals, concurrency, and memory management, Strong knowledge of Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Proven experience in designing and developing microservices-based applications, Experience with AI/LLM coding tools (e.g., Copilot, Cursor), Ability to use AI agents for test and documentation automation, Experience with AWS cloud services, Experience with observability tools (Grafana, OpenTelemetry, DataDog), Fluency in English and Polish, Residing in Poland 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringDataJPA, SpringSecurity, JVM, Microservices, REST, AWS, Grafana, OpenTelemetry, DataDog, Copilot, Cursor, AI, LLM 🏢 Description: We are looking for an experienced Java Developer to work on innovative solutions in the pharmaceutical industry. Our systems support clinicians and patients worldwide, leveraging cloud-native platforms, microservices, and cutting-edge AI technologies such as large language models and intelligent agents that enhance the software development lifecycle. If you want to help shape the future of digital healthcare, working 100% remotely with an AI-first approach, this role is for you. Your tasks Develop and maintain backend services using Java/Spring Boot Apply AI tools to speed up refactoring, boilerplate generation, and debugging Design and develop REST APIs in a microservices architecture Automate unit, integration, and end-to-end testing with AI-assisted approaches Collaborate on CI/CD and code review processes, enhanced by AI tools Ensure high code quality, adherence to SOLID principles, and software best practices Contribute to projects in cutting-edge AI applications in pharma, e.g., clinical data analysis, intelligent decision support, and process automation Requirements Minimum 5 years of experience with Java 17+, JVM internals, concurrency, and memory management Strong knowledge of Spring Boot, including Spring MVC, Spring Data JPA, and Spring Security Proven expertise in designing and developing microservices-based applications Familiarity with AI/LLM tools to accelerate coding, refactoring, and bug fixing (e.g., Copilot, Cursor) Ability to leverage AI agents for automating unit tests, documentation, and PR descriptions Expertise with AWS cloud and observability tools such as Grafana, OpenTelemetry, or DataDog Fluency in both English and Polish Residing in Poland required

🏢 Summary: Senior Java Developer role focused on designing and developing highly scalable enterprise systems for digital health platforms, including remote patient monitoring and patient engagement solutions. The position involves building microservices-based applications, contributing to architectural decisions, and solving complex technical challenges within an international team. 🗂️ Requirements: Minimum 5 years of experience in Java system design and development, Strong understanding of OOP, data models, and design patterns, Experience with Spring Boot framework, Experience building REST API server applications, Experience with SQL databases, Knowledge of JPA and Hibernate, Experience with messaging brokers such as Kafka, Experience designing and implementing microservices architecture, English proficiency for technical communication 📃 Skills: Java, Spring, SpringBoot, REST, SQL, JPA, Hibernate, Kafka, Microservices, Kubernetes, Docker, Helm, CICD, Avro, Protobuf, JSON 🏢 Description: S3 Connected Health is a leading digital health company headquartered in Dublin, Ireland. We are a team of over 250 clinicians, behavioral scientists, and technologists dedicated to transforming healthcare through innovative digital solutions. We create state-of-the-art platforms for remote patient monitoring, medication adherence, and patient engagement that empower millions to improve their health and quality of life. Key Responsibilities: Working as a Senior Java Developer, you will be responsible for: Designing and developing of leading-edge, highly scalable JAVA enterprise systems Participation in system requirements The input to the technology recommendations and decisions throughout the project lifecycle Effective communication with clients and team members to solve complex technical challenges Identifying opportunities for improvement and making constructive suggestions for changes Qualifications and experience required: Minimum 5 years of experience in design and development of JAVA systems Understanding of data models, OOP, and design patterns Broad knowledge of Spring (Spring Boot) framework Experience building server applications with REST API Experience with SQL database Good knowledge of JPA (Hibernate) Kafka (or any messaging broker) Experience in designing and implementing systems based on microservices architecture Good verbal and written communication skills in English and ability to work in both international and multifunctional teams Experience in any of the following areas is a distinct advantage: Kubernetes, Docker, and Helm Charts. CI/CD pipelines Knowledge of serialization libraries (for example, Avro, Protobuf, JSON) Application performance profiling/tuning Integration with external systems Telehealth or Telecare system experience We offer: A unique opportunity to make a tangible impact in the global healthcare market Exposure to the latest technologies and a dynamic, international work environment A commitment to your professional growth and career advancement Collaboration based on a B2B contract or contract of employment Flexible cooperation model with the possibility of remote, hybrid, or on-site collaboration (Wrocław)

🏢 Summary: Mid/Senior Java Developer role focused on building and maintaining scalable backend systems using Java 17/21 and Spring Boot 3. The position involves developing REST APIs, working with relational and NoSQL databases, and contributing to CI/CD pipelines and code quality improvements. The role also includes refactoring, code reviews, and collaboration on modern architecture patterns. 🗂️ Requirements: Minimum 5 years of commercial experience in Java, Very good knowledge of Spring, Spring Boot, Spring Data, Spring Security, Spring Cloud, Strong experience with Hibernate and JPA, Solid SQL knowledge and hands-on experience with PostgreSQL, Understanding of REST, HTTP, JWT, OAuth2, Practical experience with at least one NoSQL database, Basic knowledge of Git and CI/CD pipelines, Strong knowledge of OOP principles and clean code practices 📃 Skills: Java, Spring, SpringBoot, SpringData, SpringSecurity, SpringCloud, Hibernate, JPA, SQL, PostgreSQL, REST, HTTP, JWT, OAuth2, MongoDB, Redis, Cassandra, DynamoDB, Git, CI/CD, JUnit, Mockito, Testcontainers, Pact, Docker, Kubernetes, OpenShift, Kafka, RabbitMQ, Prometheus, Grafana, ELK 🏢 Description: We are a software house delivering projects for international clients, and we are looking for Mid / Senior Java Developers to join our team. Responsibilities: Designing and writing clean, scalable code (primarily Java 17/21 + Spring Boot 3) Creating and maintaining REST APIs (OpenAPI / Swagger) Working with relational databases (PostgreSQL + advanced SQL) Implementing solutions using NoSQL (MongoDB / Redis / DynamoDB – preferred) Working with CI/CD (GitHub Actions / GitLab CI / Jenkins) Refactoring and improving existing code Code reviews and knowledge sharing within the team Requirements: Must have: Minimum 5 years of commercial experience in Java Very good knowledge of Spring → Spring Boot → Spring Data / Security / Cloud Hibernate / JPA at the level "I can explain what @EntityGraph and dirty checking do" Solid SQL knowledge + experience with PostgreSQL Understanding of REST, HTTP, authentication (JWT / OAuth2) Practical knowledge of at least one NoSQL database (Mongo / Redis / Cassandra / Dynamo) Git + CI/CD basics Very good knowledge of OOP principles and clean code Preferred (will earn big + points): Java 21, virtual threads, records, sealed classes Testing (JUnit 5 + Mockito / Testcontainers / Pact) Docker + Kubernetes / OpenShift (at least the basics) Message brokers (Kafka / RabbitMQ) Monitoring (Prometheus / Grafana / ELK) Experience in domain-driven design / hexagonal / clean architecture

🏢 Summary: Senior Java Developer role focused on designing and implementing enterprise-grade backend solutions using modern architecture principles. The position emphasizes high code quality, performance, security, and collaboration within a distributed team. The role involves working with Java 17+, Spring ecosystem, databases, and event-driven systems. 🗂️ Requirements: Minimum 5 years of commercial software development experience, Very good knowledge of Java 17+, Strong understanding of object-oriented design patterns, Experience with Spring MVC and Spring Data, Experience with Apache Kafka, Ability to design relational and non-relational databases (MS SQL, Oracle, Elasticsearch, Redis), Knowledge of software engineering best practices, English proficiency for technical documentation, Ability to work effectively in a distributed team 📃 Skills: Java, Spring, SpringMVC, SpringData, Kafka, MSSQL, Oracle, Elasticsearch, Redis, OOP, UML, Docker, Kubernetes, Azure, JavaScript, React, Python 🏢 Description: We are looking for an experienced Senior Java Developer with at least 5 years of commercial experience to join a team working on enterprise-grade backend solutions. The role focuses on designing and implementing software in a modern architecture, with a strong emphasis on code quality, performance, security, and effective collaboration within a distributed team. Responsibilities Design and implement software using hexagonal architecture. Develop backend solutions using Java 17+ and the Spring ecosystem. Ensure high code quality and compliance with agreed development standards. Analyse system performance, security, and stability, and propose improvements. Design and optimise data structures for relational and non-relational databases. Collaborate with a distributed team, participate in technical analysis, code reviews, and solution design. Identify technical challenges and propose improvements to architecture and implementation. Requirements Minimum 5 years of commercial software development experience. Very good knowledge of Java 17+. Strong understanding of object-oriented design patterns and software engineering best practices. Experience with the Spring stack, especially Spring MVC and Spring Data. Knowledge of Apache Kafka. Ability to design databases: relational: MS SQL, Oracle, non-relational: Elasticsearch, Redis. English skills sufficient to work with technical documentation. Strong analytical and creative problem-solving skills. Excellent communication skills and ability to work effectively in a distributed team. Nice to have Knowledge of scripting/frontend technologies such as JavaScript, React, Python. Experience working in an Azure cloud environment. Familiarity with Kubernetes and Docker. Ability to design system architecture and prepare High-Level Design (HLD) documentation. Knowledge of UML and flow diagrams.

🏢 Summary: Senior Java Developer role focused on maintaining and modernizing a high-load monolithic backend platform serving web and mobile applications. The position involves refactoring legacy Struts-based systems, building REST APIs, optimizing performance, and integrating AI/LLM-driven services. You will contribute to architectural evolution while ensuring stability of business-critical functionality. 🗂️ Requirements: 5+ years commercial Java development experience, Strong knowledge of core Java, multithreading, collections, concurrency, Experience with large legacy Java systems and refactoring, Experience designing and supporting REST APIs, Strong SQL skills and experience with MySQL or similar RDBMS, Experience with performance tuning and troubleshooting, Understanding of full web application architecture (Java backend and JavaScript frontend), Familiarity with Linux production environments 📃 Skills: Java, Spring, Struts, Tomcat, React, JavaScript, MySQL, Percona, AWS, EC2, EBS, S3, OpenSearch, Ignite, Gradle, REST, Git, Linux, LLM, SQL 🏢 Description: We are looking for an experienced Java developer to join our team and work on a mature high-load backend platform serving web and mobile applications. The project includes a large monolithic Java application with legacy web components and a set of backend APIs used by mobile clients. The main focus of the role is maintaining business-critical functionality while gradually modernizing the architecture and introducing new services. The role also involves participation in new AI-driven initiatives, including backend integrations with modern LLM-based services and internal automation tools. Responsibilities Develop and maintain backend functionality for web and mobile applications Work with a large legacy Java codebase and participate in gradual refactoring Design and implement new REST APIs for mobile clients Migrate legacy modules to modern Java stack Integrate AI-powered services into existing products and internal workflows Build backend services interacting with LLM APIs and AI-based data processing pipelines Optimize performance of backend services and database interactions Participate in architectural decisions for modernization of the monolith Investigate production issues and improve system reliability Work with cloud infrastructure and distributed caching solutions Tech stack Java 17 / 21 Apache Tomcat Legacy Struts-based monolith Spring / Spring MVC (migration in progress) JavaScript / React MySQL / Percona Server AWS (EC2, EBS, OpenSearch, S3) Distributed caching (Apache Ignite) Gradle REST APIs AI integrations (LLM APIs, AI-assisted internal tools) Git Requirements 5+ years of commercial Java development experience Strong knowledge of core Java, multithreading, collections, concurrency Strong understanding of full web application architecture, including Java backend and JavaScript-based frontend Experience with large legacy systems and refactoring Strong SQL skills and experience with MySQL or similar relational databases Experience building and supporting REST APIs Experience with application performance tuning and troubleshooting Familiarity with Linux production environments Nice to have Experience with legacy frameworks (Struts, Servlet API) Experience migrating monoliths to Spring Boot or microservices AWS production experience Experience with distributed cache systems (Ignite, Redis) Experience supporting mobile backend APIs CI/CD and infrastructure automation Experience building AI-assisted product features Experience with prompt engineering or AI workflow automation What makes this role interesting Work on a real-world high-scale product used by both web and mobile users Modernization project: transforming a mature monolith into a more modern architecture Combination of legacy engineering challenges and new development Significant influence on technical decisions and architecture evolution Conditions & Benefits: Competitive salary, depending on experience Product company – focus deeply on a single product with no outsourcing, clients, or rushed projects Challenging, stable, and long-term work — building modern, complex Health & Fitness apps for over 17 years Direct involvement in product growth and development Flexible schedule with the option to work remotely or from a coworking space Paid vacation and sick leave Performance-based bonuses and salary reviews Strong, experienced team located in Poland and the USA Top-tier Apple equipment provided (the latest MacBook Pro, monitor, iPhone and other devices) About the company: MyNetDiary is a U.S.-based product company specializing in Health & Fitness apps. Since the very launch of the App Store, our apps have been repeatedly featured by Apple and Google for their quality and innovation. We’ve also been recognized by top publications including Forbes, The Wall Street Journal, Women’s Health, and USA Today. Our mission is to create high-quality, user-focused products built on decades of expertise, leveraging the latest technologies available on modern mobile platforms like iOS and Android. We work in agile, highly skilled teams with zero bureaucracy, dedicated to writing clean, reliable, and minimalistic code. You’ll work with experienced colleagues who communicate effortlessly and take pride in their craft.

🏢 Summary: The offer is for an experienced Java Developer to build and maintain scalable, enterprise-level applications supporting global travel platforms. The role involves full lifecycle development, designing and implementing REST/SOAP services, and working with modern Java technologies in an Agile, CI/CD-driven environment. You will collaborate with cross-functional teams to enhance business-critical systems and deliver high-quality, reliable software solutions. 🗂️ Requirements: Minimum 5 years of commercial experience as Java Developer, Experience with Java 8 and Java 17, Strong knowledge of Spring Framework, Strong knowledge of Hibernate, Strong knowledge of EclipseLink, Proficiency in Oracle SQL, Proficiency in PL/SQL, Experience with GitHub, Experience with TeamCity, Experience with Tomcat or Tomee, Experience designing and implementing REST web services, Experience designing and implementing SOAP web services, Knowledge of JSP, Knowledge of Struts, Knowledge of JavaScript, Experience with unit testing using JUnit, Very good command of English 📃 Skills: Java, Spring, Hibernate, EclipseLink, Oracle, SQL, PLSQL, GitHub, TeamCity, Tomcat, Tomee, REST, SOAP, JSP, Struts, JavaScript, JUnit 🏢 Description: We are looking for a Java Developer to join our team and contribute to building scalable, enterprise-level applications that support our global travel platforms. In this role, you will participate in the full software development lifecycle, working closely with Product Owners, QA Engineers, UX/UI Designers, and other developers to deliver reliable, high-quality solutions. You will play an important role in maintaining and enhancing business-critical systems while contributing to the continuous evolution of our technology landscape. Your responsibilities Participate in the full software development lifecycle, from requirements gathering and solution design to deployment and support Collaborate with Product Owners, Designers, QA Engineers, and Developers to deliver high-quality software solutions Design, develop, and maintain applications using Java technologies Write clean, efficient, and maintainable code following development best practices Develop and maintain automated unit tests using JUnit Design, implement, and maintain REST and SOAP web services Create, optimize, and troubleshoot SQL and PL/SQL queries Maintain and improve existing applications, including bug fixing and performance enhancements Prepare and maintain technical documentation Identify opportunities for system improvements and contribute to technical innovation Our requirements Minimum 5 years of commercial experience as a Java Developer Experience working with Java 8 and Java 17 Strong knowledge of Spring Framework, Hibernate, and EclipseLink Proficiency in Oracle SQL and PL/SQL Experience with tools such as GitHub, TeamCity, and Tomcat/Tomee Experience designing and implementing REST and SOAP web services Knowledge of JSP, Struts, and JavaScript Experience with unit testing using JUnit Strong analytical and problem-solving skills Very good command of English and ability to work in an international environment Nice to have Willingness to learn and work with React Experience with Linux, Docker, or AWS Familiarity with Java EE standards Understanding of CI/CD processes and modern development practices How we work Clean Code principles Design patterns and software engineering best practices Code reviews and knowledge sharing Continuous Integration and Continuous Deployment (CI/CD) Agile and collaborative development environment Cross-functional teams working closely across Product, QA, UX/UI, and Engineering Focus on quality, maintainability, and continuous improvement What we offer Hybrid work model (1–2 days per week in our Katowice office) Opportunity to work on international, large-scale projects used by customers worldwide Attractive remuneration paid in EUR Flexible working hours Individual learning and development budget Partially or fully funded training and certifications English lessons Mentoring and support from experienced technical leaders Participation in conferences in Poland and abroad A culture focused on collaboration, knowledge sharing, and continuous improvement Space to innovate and bring your own ideas to life Support for IT community initiatives and professional networking Long-term cooperation in a stable, growing international organization

🏢 Summary: The role involves developing and maintaining scalable backend services for business-critical applications using Java within an agile environment. The position focuses on building RESTful APIs, implementing persistence layers, and ensuring system quality and stability. The developer collaborates on code reviews, debugging, and continuous improvement of backend solutions. 🗂️ Requirements: Strong experience with Java 17+, Hands-on experience with Spring, Hands-on experience with Spring Boot, Knowledge of Hibernate and ORM concepts, Experience with PostgreSQL, Experience with Git version control platforms, Strong debugging skills, Experience in agile development environments 📃 Skills: Java, Spring, SpringBoot, Hibernate, PostgreSQL, REST, Git, ORM 🏢 Description: Backend Developer (Java) We are looking for a Backend Developer to join a development team responsible for building and maintaining backend services for business-critical applications. The role focuses on developing scalable, maintainable solutions and contributing to the overall quality and stability of the system within an agile setup. Responsibilities: Develop and maintain backend services using Java 17+ Design and implement RESTful APIs with Spring and Spring Boot Work with relational databases, including schema design and query optimization in PostgreSQL Implement persistence layers using Hibernate Debug, troubleshoot, and resolve backend issues Collaborate with the team using a GitHub-like platform, including code reviews and version control Participate in agile ceremonies and contribute to continuous improvement Requirements: Strong experience with Java 17+ Hands-on experience with Spring and Spring Boot Knowledge of Hibernate and ORM concepts Experience working with PostgreSQL Familiarity with GitHub-like platforms and team workflows Strong debugging and problem-solving skills Experience working in agile development environments

🏢 Summary: B2B contract for a Senior Mobile Engineer to build and evolve an AI-powered healthcare app into a comprehensive healthcare management platform. The role focuses on native iOS development with contributions to Android, secure coding, and scalable architecture in close collaboration with product teams. 100% remote project in the healthcare industry with 6-month contracts and possible extensions. 🗂️ Requirements: Senior-level experience in software engineering, Strong expertise in native iOS development with Swift, Experience with native Android development using Kotlin, Solid knowledge of software architecture and system design, Experience implementing secure coding practices, Ability to conduct vulnerability assessments, Experience designing and delivering production mobile applications 📃 Skills: Swift, iOS, Kotlin, Android, Firebase, AI, Security, Architecture, SystemDesign, MobileDevelopment 🏢 Description: PROJECT INFORMATION: Industry: Healthcare Remote work: 100% FTE: 100% Project language: English Project length: 6 months contracts + prolongations. Start: ASAP / Flexible Assignment type: B2B Remuneration: up to 39 EUR/h Summary: This role involves contributing to the development of an AI-powered healthcare app and evolving it into a comprehensive healthcare management platform. The primary goal is to deliver tangible solutions efficiently while ensuring collaboration with product teams and implementing best security practices. Responsibilities: * Take responsibility for mobile application implementation. * Design and implement practical applications while avoiding over-engineering. * Ensure secure coding practices and conduct vulnerability assessments. * Collaborate closely with product teams to align technical solutions with business needs. * Maintain an adaptable software architecture. Must Haves: * Experience as a Senior Software Engineer or similar role. * Expertise in native iOS development with Swift. * Solid understanding of software architecture and system design principles. * Some experience in native Android development with Kotlin. Nice to Haves: * Experience in a startup environment. * Familiarity with Firebase and mobile-specific technologies. * Knowledge of Dutch healthcare systems or regulated industries. * Experience with AI-native workflows and growth strategies in mobile apps.

🏢 Summary: Remote role for an experienced Java and ReactNative Developer focused on building scalable web applications across backend services and modern frontend interfaces. The position involves developing RESTful APIs, collaborating in Agile teams, and supporting CI/CD-driven deployments. 🗂️ Requirements: Strong experience with Java, Solid experience with ReactNative, Experience building and consuming REST APIs, Strong knowledge of JavaScript, Strong knowledge of HTML, Strong knowledge of CSS, Experience with Git, Familiarity with Agile development environments, Good communication skills in English 📃 Skills: Java, ReactNative, REST, JavaScript, HTML, CSS, Git, Agile, Spring, TypeScript, SQL, Docker, CI/CD 🏢 Description: We are looking for an experienced Java & ReactNative Developer to join our development team In this role, you will work on building and maintaining scalable web applications, contributing to both backend services and modern frontend interfaces. Key Responsibilities Develop and maintain backend services using Java Build responsive and modern user interfaces using ReactNative Design and implement RESTful APIs Collaborate with product managers, designers, and engineers to deliver new features Write clean, maintainable, and efficient code Participate in code reviews and contribute to development best practices Troubleshoot and resolve technical issues Support integration and deployment through CI/CD pipelines Required Skills and Experience Strong experience with Java Solid experience with ReactNative Experience building and consuming REST APIs Strong knowledge of JavaScript, HTML, and CSS Experience with Git and modern development workflows Familiarity with Agile development environments Good communication skills in English Nice to Have Experience with Spring Boot Experience with TypeScript Knowledge of SQL databases Familiarity with Docker or cloud platforms Work Model Remote Europe.