Senior Full-Stack Developer (Java + Angular)

🏢 Summary: Senior Java Developer role for a long-term remote finance project focused on enterprise-scale backend systems, microservices, and cloud-native architecture. The position involves developing and modernizing critical financial platforms using Java 17+, Spring Boot, Kafka, and Kubernetes in collaboration with cross-functional engineering teams. 🗂️ Requirements: 5+ years commercial Java experience, Strong Spring Boot knowledge, Experience with microservice architecture, Understanding of relational databases, Experience with Kafka or messaging platforms, Hands-on Docker experience, Hands-on Kubernetes experience, Knowledge of software design patterns, Understanding of clean architecture, Professional English level B2+ 📃 Skills: Java, Spring, SpringBoot, SpringCloud, Microservices, Kafka, REST, PostgreSQL, Oracle, Docker, Kubernetes, Maven, Gradle, Git, CI/CD, AWS, Azure, GCP, Terraform, Grafana, Prometheus, ELK 🏢 Description: We’re looking for a Senior Java Developer to join an international client operating in the financial services industry. You’ll work on enterprise-scale backend systems responsible for processing critical financial operations, developing new features, and modernizing existing architecture. The project is long-term, fully remote, and offers plenty of technical challenges. Responsibilities - Design and develop high-quality Java applications. - Build scalable microservices and REST APIs. - Collaborate with Product Owners, Architects, QA Engineers, and DevOps teams. - Improve system performance, scalability, and reliability. - Participate in architecture discussions and code reviews. - Write clean, maintainable, and well-tested code. Tech Stack - Java 17+ - Spring Boot - Spring Cloud - Microservices - Kafka - REST APIs - PostgreSQL / Oracle - Docker - Kubernetes - Maven / Gradle - Git - CI/CD - AWS / Azure / GCP Requirements - 5+ years of commercial experience with Java. - Strong knowledge of Spring Boot. - Experience with microservice architecture. - Good understanding of relational databases. - Experience with Kafka or other messaging platforms. - Hands-on experience with Docker and Kubernetes. - Understanding of software design patterns and clean architecture. - Professional level of English (B2+). Nice to have - Experience in banking, fintech, or financial services. - Knowledge of event-driven architecture. - Experience with Terraform. - Familiarity with monitoring tools such as Grafana, Prometheus, or ELK. What you’ll get - Long-term cooperation on an international project. - 100% remote work. - B2B contract. - Flexible working hours. - Modern cloud-native technology stack. - Opportunity to work on large-scale financial systems. - Experienced engineering team. - Real influence on technical decisions. About the recruitment This recruitment process is conducted on behalf of one of the clients. If your profile matches the project requirements, more details about the company and the project will be shared during the first interview.

🏢 Summary: Senior FullStack Developer role focused on developing and modernizing a large-scale corporate banking platform. The position involves building and maintaining backend services and Angular frontend components, delivering new features, fixing defects, and supporting production systems within a microservices and monolithic architecture. The role includes active participation in system modernization and REST API development in an Agile environment. 🗂️ Requirements: 5+ years commercial experience with Java 7/8, Experience with Spring Framework and Spring Boot, Experience with Maven, Experience with SQL, Experience with Git, Experience with JSP, Experience with JavaScript, Experience designing and developing REST APIs, Experience in backend service design and implementation, Strong knowledge of unit testing practices, 2+ years experience with Angular, Experience with Jasmine, Experience working with legacy code, Experience working in Agile environment 📃 Skills: Java, Spring, SpringBoot, Maven, SQL, Git, JSP, JavaScript, Angular, Jasmine, REST, Microservices, Agile 🏢 Description: About the Project We are looking for an experienced Senior FullStack Developer to join an international team working on a large-scale corporate banking platform. The application enables corporate clients to manage accounts, execute payments and transfers, handle files and confirmations, and perform a variety of banking operations through a secure online portal. As part of the development team, you will be responsible for maintaining and enhancing a business-critical application, including the delivery of new features, bug fixes, production incident resolution, and implementation of regulatory and business-driven changes. The system consists of both microservices and monolithic components. The team is currently on a modernization journey, gradually transforming the existing platform into a more modern architecture. The working language is English, and the team follows SAFe Agile principles. Responsibilities Design and implement backend services based on business and technical requirements. Develop and maintain REST APIs. Contribute to frontend development using Angular. Write and maintain unit tests. Analyze, maintain, and enhance existing code, including legacy components. Collaborate with cross-functional and international teams. Participate in system modernization and architectural improvements. Support production systems and troubleshoot issues when required. Requirements Must Have 5+ years of commercial experience with: Java 7/8 Spring Framework Spring Boot Maven SQL Git JSP JavaScript Experience in designing and developing REST APIs. Experience in backend service design and implementation based on specifications. Strong understanding of unit testing practices. 2+ years of experience with: Angular Jasmine Experience working in an Agile environment. Willingness to analyze and work with legacy code. Strong communication and collaboration skills. Fluent English (spoken and written). Nice to Have Knowledge of SOLID principles. Familiarity with software design patterns. What We Offer Opportunity to work on a large-scale enterprise platform within the financial sector. Participation in system modernization and transformation initiatives. International and collaborative work environment. Long-term cooperation in a stable project. Exposure to both modern and legacy technologies. Real impact on technical solutions and product development.

🏢 Summary: Development and modernization of a corporate banking platform, transforming a legacy monolith into a microservices-based architecture. The role focuses on building and integrating REST APIs, refactoring legacy systems, and supporting migration using modern engineering practices in an Agile/SAFe environment. You will work across monolithic and microservices architectures, contributing to backend development and system integration. 🗂️ Requirements: Proficiency in Java, Experience with Spring Framework and Hibernate, Strong knowledge of SQL, Experience in REST API development, Understanding of microservices architecture, Experience with Cucumber and Jasmine, Ability to refactor legacy systems, Experience with system integration, English proficiency for technical communication 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, Cucumber, Jasmine, Angular, Git, DDD, Hexagonal, WebFlux, Reactor, SAFe, Agile 🏢 Description: About the Project Join an international team responsible for the development and modernization of a key corporate banking platform. The project focuses on transforming a legacy monolithic system into a modern architecture based on microservices while building new APIs that support the platform's future growth. You will work in an Agile/SAFe environment, leveraging modern engineering practices and architectural patterns. Responsibilities Design and develop REST APIs Build and maintain backend applications using Java and Spring Framework Integrate systems and support system-to-system communication Refactor legacy applications and extract business logic into microservices Contribute to the modernization and migration of existing systems Develop solutions across both monolithic and microservices architectures Work with reactive programming technologies and frameworks Support frontend integration with Angular-based applications Create and maintain unit and BDD tests Participate in code reviews and ensure high code quality standards Collaborate with cross-functional teams and stakeholders Produce and maintain technical and API documentation Requirements Must-Have Skills Java Spring Framework / Hibernate SQL REST API development Microservices architecture Cucumber Jasmine Strong English communication skills Nice to Have Angular Technology Stack Java Spring Boot Hibernate SQL REST APIs Microservices Angular Cucumber Jasmine Git Domain-Driven Design (DDD) Hexagonal Architecture (Ports & Adapters) WebFlux / Project Reactor SAFe Agile

🏢 Summary: Development role focused on building and maintaining a modern microservices-based payment processing platform in a high-volume environment. The position involves designing, implementing, and supporting Java-based services, ensuring scalability, reliability, and performance. Work is done in a hybrid model with strong emphasis on quality, testing, and production support. 🗂️ Requirements: Minimum 3 years of experience in similar role, Strong Java development experience, Knowledge of Spring Boot, Understanding of microservices architecture, Understanding of distributed systems, Experience with API design, Experience with at least some of the listed technologies, Ability to perform unit testing and code reviews, Fluent English 📃 Skills: Java, Spring, SpringBoot, Microservices, Kubernetes, OpenShift, Kafka, RabbitMQ, MongoDB, Oracle, SQL, REST, Groovy, Maven, Jenkins, Jira, Confluence 🏢 Description: About the Project Our client is a European payments organization undergoing a major digital transformation focused on modernizing its core transaction‑processing platform. The team is building a modern microservices‑based environment designed to increase scalability, reliability, and performance across high‑volume payment operations. Technology stack in use: Java 21 (Spring Boot 3), OpenShift / Kubernetes, Apache Kafka / Rabbit MQ for streaming and queuing, MongoDB, Oracle Database, multiple DevOps tools for development, automation and monitoring. Work mode: hybrid, 3-4 per week from Cracow office Key Responsibilities: ·       Design, develop and support testing payment services features together with the team. ·       Resolve issues by troubleshooting and root cause analysis and support in production issue analysis when needed. ·       Ensure high quality via unit testing and code reviews. ·       Demo and document the results of work in demo sessions. Required Experience & Skills: ·       At least 3 years on similar position ·       Technical knowledge in at least some of the technologies used is needed. ·       Java development skills are the most relevant. ·       Understanding of microservices architecture and distributed systems. ·       Familiarity with API design principles. ·       Fluent English Additional Valuable Skills: ·       Experience in designing and implementing high-throughput, low-latency systems capable of handling large data volumes ·       Groovy, Maven, Jenkins ·       Knowledge of the Card Processing domain ·       Documentation and use of Jira/Confluence ·       Excellent communication and coordination skills We offer Ongoing support from a dedicated agent who is caring about your project continuity, contact with clients, necessary formalities, work comfort, and development. Career Development Program – advice on career planning based on the latest trends and market needs in IT, including consultations with career agents and mentors. Access to 7N Learning & Development – a development and educational platform offering webinars, a library of articles and industry reports, and frequent invitations to both one-time and recurring events focused on technical, business, and lifestyle topics. Spectacular events, both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g. family picnics), Professional growth Professional growth beyond your current project. You can actively engage in knowledge sharing through the 7N Services offering, designed for 7N clients. Connections and access to the expertise of top IT professionals in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad

🏢 Summary: Senior Java Developer role focused on building and evolving a globally distributed trading platform for fixed income products. The position involves designing and implementing high-quality software components, supporting platform optimization and migration, and collaborating with international IT teams. It requires strong expertise in Core Java, Spring, and SQL within enterprise-level systems. 🗂️ Requirements: At least 5 years of experience in software development, Strong knowledge of Core Java, Proficiency in SQL, Proficiency in Spring framework, Strong written and verbal English, Ability to work collaboratively in a global team environment 📃 Skills: Java, SQL, Spring, JMS, ORM, REST, WebServices, TCP/IP, Bash, Perl, Python, C++, Redis, Multithreading, Networking, Scrum, Kanban 🏢 Description: We are seeking a Senior Java Developer to join a leader in the financial domain who has been successfully involved in trading financial (Fixed income) products for many years. As part of this, a globally distributed, component-based IT system has been built. It is written mainly in Java and incorporates many enterprise technologies/standards (e.g., JMS, ORM, Spring, WebServices, REST), but also integrates other technologies, like TCP/IP networking, bash scripting, Perl, Python or even C++. Responsibilities Design and implement software components according to requirements Take responsibility for ensuring the delivery and quality standards of software Spend time with the customer to determine and understand deliverables Support business in platform rationalization and optimization Continue removing technical debt and platform standardization Support business in migration to strategic platform Work with other IT teams across the globe Requirements At least 5 years of working experience in software development Strong knowledge of Core Java Proficiency in SQL and Spring framework Good communication and time management skills Team player mentality with a pragmatic approach to software development Strong written and verbal English Nice to have Skills in multithreading, networking and web services in Java Familiarity with JMS and Redis Capability to acquire and capture requirements with attention to software quality Understanding of investment banking domain Understanding of Agile principles (experience in Scrum or Kanban) We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview We will reach out to selected candidates exclusively

🏢 Summary: Senior Backend Java Developer role in the banking industry focused on modernising a legacy corporate online banking platform into a scalable digital solution. The position involves building backend services, REST APIs, and microservices using modern engineering practices such as DDD, Hexagonal Architecture, and reactive programming within Agile teams. Hybrid work model with office attendance required three days per week. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Information Technology, or related field, 6+ years of Java backend development experience, Strong knowledge of Java, Strong knowledge of Spring Framework, Strong knowledge of Hibernate, Experience with reactive programming, Experience with REST APIs, Experience with SQL databases, Experience with microservices, Experience with Git, Experience with Cucumber or automated testing frameworks, Understanding of SOLID principles, Knowledge of software design patterns, Ability to work in Agile environment, Professional English proficiency 📃 Skills: Java, Spring, Hibernate, REST, SQL, Git, Cucumber, Microservices, DDD, Angular 🏢 Description: For our client from the banking industry, we are looking for an experienced Senior Backend Java Developer to join a large-scale digital transformation programme focused on building the next generation of corporate online banking solutions. About the Project You will become part of the Large Corporates Digital Agile Release Train, where engineering teams are modernising a legacy corporate banking platform and replacing it with a new, scalable digital solution. The platform enables corporate customers to manage domestic and international payments, monitor cash flow and liquidity, and administer company users and permissions through a modern online banking experience. As part of this transformation, you will help design and develop robust backend services and APIs that will support future business growth and deliver an outstanding customer experience. The team develops and maintains services built using both microservices and monolithic architectures while following modern engineering practices such as Domain-Driven Design (DDD), Hexagonal (Ports & Adapters) Architecture, and reactive programming. Your Responsibilities Design, develop, and maintain high-quality backend applications using Java. Build scalable REST APIs and microservices supporting digital banking solutions. Contribute to the migration from legacy systems to a modern architecture. Collaborate with cross-functional Agile teams to deliver new features and improvements. Write clean, maintainable, and well-tested code following best engineering practices. Participate in architecture discussions and technical decision-making. Ensure high application performance, reliability, and scalability. Requirements Bachelor's or Master's degree in Computer Science, Information Technology, or a related field. At least 6 years of hands-on experience in Java backend development. Strong knowledge of Java, Spring Framework, and Hibernate. Experience with reactive programming. Practical experience with REST APIs, SQL databases, microservices, and Git. Familiarity with Cucumber or other automated testing frameworks. Good understanding of SOLID principles and software design patterns. Strong communication skills and the ability to work in an Agile environment. Professional proficiency in written and spoken English. Nice to Have Knowledge of Domain-Driven Design (DDD). Experience with Hexagonal (Ports & Adapters) Architecture. Familiarity with Angular (basic understanding is sufficient). Experience working within the banking or financial services sector. Work Model Hybrid work model – office attendance required 3 days per week .

🏢 Summary: Senior Java Developer role focused on building and optimizing high-performance transactional and banking systems in a 100% remote environment. The position involves designing scalable backend solutions using modern Java and Spring technologies, integrating messaging systems, and ensuring system reliability through advanced monitoring and CI/CD practices. This opportunity targets experienced engineers ready to contribute to complex financial platforms in an agile setting. 🗂️ Requirements: Minimum 5 years of Java development experience, Strong experience with Java 21+, Strong experience with Spring Boot 3, Solid knowledge of PostgreSQL, Experience with CI/CD tools (GitLab, Jenkins), Experience with OpenShift deployments, Experience with RabbitMQ and Kafka, Experience with ELK stack and Dynatrace, Experience with JUnit 5, Mockito, RestAssured, Experience working in Agile (Scrum, Kanban), Good command of Polish, Communicative English proficiency, Legal right to work in the European Union 📃 Skills: Java, Spring, PostgreSQL, Redis, RabbitMQ, Kafka, ELK, Dynatrace, GitLab, Jenkins, OpenShift, JUnit, Mockito, RestAssured, SQL, R 🏢 Description: Unleash innovation in financial technology — shape the future of transactional systems with expertise and precision! 100% remote work. As a Senior Java Developer , you will be working for our client, a leading player in the financial services industry dedicated to delivering cutting-edge transactional and banking systems. You will contribute to the development of robust, scalable solutions that power high-stakes online financial operations, driving digital transformation and operational excellence. This role offers a unique chance to advance your career within an innovative environment that values technical mastery and strategic thinking. Your main responsibilities: Design, develop, and optimize complex backend systems using Java 21+ and Spring Boot 3, adhering to best practices and high-quality standards. Work with domain-driven design (DDD) to implement scalable and maintainable software solutions. Manage and optimize data solutions utilizing PostgreSQL, Redis, and integration tools like RabbitMQ and Kafka. Utilize tools such as ELK stack, Dynatrace, and CI/CD pipelines (GitLab, Jenkins, OpenShift) to ensure system performance and reliability. Conduct thorough testing and validation using JUnit 5, Mockito, and RestAssured to deliver resilient software releases. Collaborate with agile teams (Scrum, Kanban) for iterative development and continuous improvement. Contribute analytical insights and high-level problem-solving skills to support transaction systems in a fast-paced financial environment. You're ideal for this role if you have: At least 5 years of experience in Java development, with a strong background in Spring Boot 3 and Java 21+. Solid understanding of database technologies, particularly PostgreSQL. Practical experience with CI/CD tools such as GitLab, Jenkins, and deployment on OpenShift. Familiarity with message brokers like RabbitMQ and Kafka. Knowledge of monitoring and logging tools (ELK stack, Dynatrace). Experience with automated testing frameworks including JUnit 5, Mockito, and RestAssured. Strong analytical skills and experience working within agile methodologies (Scrum, Kanban). It is a strong plus if you have: Experience in the finance sector and knowledge of financial risk modeling. Certifications related to cloud, database management, or software development. Basic knowledge of R language and SQL testing. Language required for the role: Polish (good command), English (communicative proficiency). Eligibility to work in Europe: Only candidates with an existing legal right to work within the European Union will be considered for this role.

🏢 Summary: Development role in an international project focused on modernizing a corporate banking system by transforming a legacy monolith into a microservices-based, reactive architecture. The position involves designing and implementing REST APIs, system integrations, and contributing to architectural decisions within a hybrid environment. The project offers active participation in large-scale system transformation using modern engineering practices. 🗂️ Requirements: Very good knowledge of Java, Very good knowledge of Angular, Very good knowledge of Spring and Hibernate, Strong knowledge of REST, Strong knowledge of SQL, Experience with Microservices architecture, Experience with Reactive programming, Knowledge of Cucumber, Knowledge of Jasmine, Experience with legacy system modernization, Practical knowledge of Git, Ability to write unit tests using JUnit, Understanding of SOLID principles and design patterns, Good command of English 📃 Skills: Java, Angular, Spring, Hibernate, REST, SQL, Microservices, WebFlux, Reactor, Cucumber, Jasmine, Git, JUnit, DDD, SOLID, SAFe, Hexagonal 🏢 Description: About the project You will join an international team working on the modernization of an enterprise-class system in the corporate banking area. The project focuses on transforming a legacy system into a modern architecture based on microservices and building efficient, scalable APIs. We work in an environment: Microservices + monolith (hybrid architecture) DDD (Domain-Driven Design) Hexagonal architecture Reactive stack (WebFlux, Project Reactor) SAFe Agile Your responsibilities Designing and implementing REST API System integrations (system-to-system communication) Refactoring the legacy system and migration to microservices Working on system modernization and development Creating solutions in reactive architecture Frontend support (Angular – basic level is sufficient) Writing tests: unit tests (JUnit, Jasmine) BDD (Cucumber) Participating in code reviews and ensuring code quality Working according to SOLID principles and design patterns Working with SQL databases Collaboration in an Agile team (PI Planning, daily, retro) Creating technical documentation Requirements Very good knowledge of: Java Angular Spring (Spring Framework / Hibernate) REST API SQL Experience with: Microservices Reactive programming (e.g. WebFlux) Knowledge of: Cucumber Jasmine Experience working with legacy systems and their modernization Practical knowledge of Git Good command of English Nice to have Experience with monolith to microservices migration Knowledge of DDD approach Experience in banking environment or large enterprise systems What the project offers Participation in a real system transformation (not only maintenance!) Long-term, stable project Technological challenges (legacy modernization → microservices) Work in an international environment Influence on architecture and solutions

🏢 Summary: Senior Java Developer role in a finance/stock exchange project focused on building and enhancing a secure web portal for financial account management and investments. The position involves designing and developing new functionalities, maintaining existing systems, and working in Agile teams using modern technologies and best practices. 🗂️ Requirements: Minimum 5 years professional experience, Proficiency in Java 8, Strong knowledge of Spring framework, Experience with Kafka or other queuing systems, Experience with RESTful Web Services or Microservices, Experience with Git version control, Knowledge of design patterns and clean code principles, Ability to define technical solutions based on requirements, Experience with Kubernetes or container orchestration, Experience with CI/CD practices, English proficiency 📃 Skills: Java, Spring, Kafka, Git, REST, Microservices, Kubernetes, CI, CD, DesignPatterns, Docker 🏢 Description: At Link Group we build tech teams for Fortune 500 companies and the hottest startups in the world. We run many different projects for which we are looking for experienced and talented candidates for clients from various industries. If you join us, we will make sure that the offer is tailored to your needs. We want you to receive tasks that match your interests, meet your financial expectations and, above all, will allow you to develop in the professional field. Currently, we are looking for Java developers to join our teams and work on the most advanced, innovative and diverse projects on the IT market. The project you will join is from the finance/stock exchange industry. Our client creates a web portal to manage financial accounts and make financial investments. Our Agile teams strive to use the latest technologies that ensure an appropriate level of security. Tech stack: Java, Spring, Kafka, Git, RESTful Web Services Responsibilities: Working on ambitious projects using the best technologies and standards; Generating and maintaining your code in accordance with the coding standard and best practices Designing technical solutions for new functionalities and maintaining the existing ones; Investigating, debugging, and delivering fixes for critical production incidents; Researching on the latest technologies to meet future business needs Requirements: At least 5 years of professional experience; Good knowledge of Java 8 and Spring framework; Strong capacity to identify requirements and define technical solutions; Knowledge of Kafka (or at least familiar with any other queuing system); Version control tools, especially Git; Design patterns and clean code; Good English level Experience with RESTful Web Services / Microservices; Experience with automating deployment, scaling and management of containerized applications (e.g Kubernetes); Experience with Continuous Integration / Continuous Delivery practices. We offer: Private healthcare Sport card Foreign languages classes Life insurance Cafeteria system

🏢 Summary: The offer is for a Java Developer responsible for analyzing requirements, designing and implementing new functionalities, and maintaining existing systems in the insurance domain. The role involves end-to-end participation in software development, including testing, documentation, and code quality assurance within a collaborative team environment. 🗂️ Requirements: Practical knowledge of Java, Basic knowledge of JEE, Basic knowledge of relational databases, Basic knowledge of SQL (Oracle), Knowledge of object-oriented analysis, Basic knowledge of Linux 📃 Skills: Java, JEE, SQL, Oracle, Linux, OOP 🏢 Description: Main responsibilities: Analysis of client requirements Designing new solutions and functionalities Implementation of new solutions Maintenance of existing features Ensuring the quality of developed and maintained code Testing developed solutions Documenting implemented solutions Sharing knowledge across the team and participating in code reviews Continuous collaboration with other team members Our requirements: Practical knowledge of the Java programming language Basic knowledge of JEE Basic knowledge of relational databases and SQL (Oracle) Knowledge of object-oriented analysis Basic knowledge of the Linux operating system English language skills required for communication and working with technical documentation Good communication and collaboration skills Fluent Polish language skills Nice to have: Proven experience with Spring Boot, RESTful API design and JWT authentication Proven experience with Angular frontend Advanced knowledge of Linux operating system German language skills We offer: Opportunity to work on various phases of software projects, including analysis, design, implementation, integration, testing, and troubleshooting Work with a friendly and supportive development team Flexible working hours Stable employment German language course Private medical care with the option to extend coverage to family members Group insurance Holiday subsidy No dress code About us: We maintain and develop existing and new management systems and IT systems for insurance companies.