Senior Java Developer

🏢 Summary: Oferta dla Senior Java Developera przy rozwoju nowoczesnych platform telewizyjnych i streamingowych opartych o architekturę mikroserwisową. Praca obejmuje rozwój i utrzymanie aplikacji Java, projektowanie nowych funkcjonalności oraz współtworzenie architektury rozwiązań. Możliwa praca zdalna lub hybrydowa z wynagrodzeniem do 150 PLN netto + VAT/h. 🗂️ Requirements: Minimum 4 lata doświadczenia komercyjnego w Java, Bardzo dobra znajomość Java Core, Znajomość wielowątkowości, niemutowalności i wzorców projektowych, Doświadczenie ze Spring Boot, Spring MVC, WebFlux, MyBatis i TestContainers, Znajomość SQL, NoSQL, Oracle, PostgreSQL, MongoDB i Redis, Doświadczenie z Apache Kafka i ORM, Doświadczenie z mikroserwisami i REST API, Znajomość Docker, Kubernetes, SOA i SSO, Znajomość JUnit, Mockito, Spock oraz testów wydajnościowych, Doświadczenie z Git, Bitbucket, GitLab, Jenkins i GitLab CI, Znajomość OWASP, Scrum, Jira i Confluence, Znajomość Linux/Unix oraz podstaw Bash lub Python, Doświadczenie z AWS, Znajomość praktyk DevOps, Komunikatywna znajomość języka angielskiego 📃 Skills: Java, Spring, WebFlux, MyBatis, TestContainers, SQL, NoSQL, Oracle, PostgreSQL, MongoDB, Redis, Kafka, ORM, Docker, Kubernetes, SOA, SSO, Okta, CAS, IAM, JUnit, Mockito, Spock, JMeter, K6, Git, Bitbucket, GitLab, Jenkins, OWASP, Scrum, Jira, Confluence, Linux, Unix, Bash, Python, AWS, EC2, S3, Lambda, CloudWatch, MSK, DevOps 🏢 Description: Poszukujemy Senior Java Developera do projektu realizowanego przez jednego z czołowych dostawców usług telewizji i streamingu w Europie. Klient rozwija nowoczesne platformy cyfrowe oraz rozwiązania wykorzystywane każdego dnia przez miliony użytkowników. Projekt prowadzony jest w oparciu o nowoczesne technologie, architekturę mikroserwisową i wysokie standardy jakości. Oferujemy Stawka do 150 PLN netto + VAT/h Praca zdalna lub hybrydowa (preferowane osoby mogące pracować z biura w Warszawie 1–3 dni w tygodniu) Obowiązki rozwój i utrzymanie aplikacji w Java, projektowanie oraz implementacja nowych funkcjonalności, udział w code review i konsultacjach technicznych, współtworzenie architektury rozwiązań. Wymagania min. 4 lata doświadczenia komercyjnego w Java (8–25) , bardzo dobra znajomość Java Core , wielowątkowości , niemutowalności oraz wzorców projektowych , praktyczne doświadczenie z Spring Boot , Spring MVC , WebFlux , MyBatis oraz TestContainers , znajomość SQL , NoSQL , Oracle , PostgreSQL , MongoDB , Redis , Apache Kafka oraz ORM , doświadczenie z mikroserwisami , REST API , Docker , Kubernetes , SOA oraz rozwiązaniami SSO (Okta, CAS, IAM) , znajomość JUnit , Mockito , Spock oraz narzędzi do testów wydajnościowych ( JMeter , K6 ), doświadczenie z Git , Bitbucket , GitLab , Jenkins oraz GitLab CI , znajomość OWASP , Scrum , Jira i Confluence , dobra znajomość środowiska Linux/Unix oraz podstaw Bash lub Python , doświadczenie z AWS ( IAM, EC2, S3, Lambda, API Gateway, CloudWatch, MSK ), znajomość praktyk DevOps , komunikatywna znajomość języka angielskiego . Ta rola nie jest dla Ciebie, ale masz znajomego, który by się sprawdził? Poleć go i zgarnij nawet 5000 zł. Referral Program: Talent from your network Nie zwlekaj i zaaplikuj już teraz!

🏢 Summary: Long-term B2B contract for a Senior Java Developer to design, build and maintain backend applications and microservices using Spring Boot, with strong focus on system architecture, integrations and cloud environments. The role involves developing REST and asynchronous communication, working with SQL databases, containerization and CI/CD pipelines. Fully remote or hybrid work model available. 🗂️ Requirements: Commercial experience in backend development with Java 11+, Strong knowledge of Java and Spring Framework, Experience in designing and developing microservices, Experience with REST API and asynchronous communication (Kafka, MQ), Practical knowledge of SQL databases (Oracle or PostgreSQL), Experience with Git and CI/CD pipelines, Experience with Docker and Kubernetes, Experience working in Linux environments, Experience with cloud platforms, Ability to write unit and integration tests, Experience working in Agile/Scrum, English proficiency for technical communication 📃 Skills: Java, Spring, SpringBoot, REST, Kafka, MQ, Oracle, PostgreSQL, SQL, Git, CI/CD, Docker, Kubernetes, Linux, Cloud, HTTP, JSON 🏢 Description: Senior Java Developer poszukiwany(-a)! Lokalizacja: 100% zdalnie / hybrydowo (Warszawa/Wrocław/Kraków - do ustalenia) Forma współpracy: B2B Wynagrodzenie (B2B): do 160 zł/h netto + VAT Start: do uzgodnienia Czas trwania projektu: długofalowa współpraca Obowiązki Projektowanie, rozwój i utrzymanie aplikacji backendowych w Javie z wykorzystaniem Spring Framework / Spring Boot Projektowanie i implementacja mikroserwisów oraz komunikacji pomiędzy nimi (REST, integracje asynchroniczne) Tworzenie i utrzymanie szablonów mikroserwisów, bibliotek oraz komponentów platformowych Integracja systemów z wykorzystaniem narzędzi kolejkowych ( Kafka, MQ ) Praca z bazami danych ( Oracle, PostgreSQL ) Udział w projektowaniu architektury systemów oraz doborze technologii Wdrażanie i utrzymanie rozwiązań w różnych środowiskach chmurowych Pisanie testów jednostkowych i integracyjnych , przeprowadzanie code review Monitorowanie i optymalizacja wydajności systemów Tworzenie i promowanie standardów technicznych oraz dobrych praktyk Wsparcie zespołów produktowych (mentoring, przeglądy kodu) Współpraca z zespołami frontend, QA, DevOps Praca w metodyce Agile Wymagania Komercyjne doświadczenie w tworzeniu aplikacji backendowych w Javie (Java 11+) Bardzo dobra znajomość Java oraz Spring Framework / Spring Boot Doświadczenie w projektowaniu i rozwoju mikroserwisów Znajomość REST API , HTTP/JSON oraz komunikacji asynchronicznej ( Kafka, MQ ) Praktyczna znajomość baz danych SQL (np. Oracle, PostgreSQL), mile widziane NoSQL Doświadczenie z Git , CI/CD oraz narzędziami developerskimi Znajomość Docker i Kubernetes oraz pracy w środowisku Linux Doświadczenie w pracy z platformami chmurowymi Umiejętność tworzenia wydajnych i jakościowych rozwiązań , dbałość o standardy kodu Doświadczenie w pracy w metodykach Agile / Scrum Samodzielność, dobra organizacja pracy i umiejętności komunikacyjne Znajomość języka angielskiego na poziomie umożliwiającym swobodną komunikację Mile widziane: doświadczenie z technologiami front-end, np. Angular, React Nie zwlekaj i zaaplikuj już teraz! Nr ref.: 58/12/2025/MB/2997

🏢 Summary: Senior Java Developer role focused on building and maintaining scalable microservices and cloud-based digital products in the OTT/ECommerce industry within an Agile environment. The position involves backend development, architectural contributions, CI/CD support, and collaboration with cross-functional teams using modern Java and cloud technologies. Hybrid or remote work model based in Warszawa. 🗂️ Requirements: 4+ years of Java development experience, Java 8-25, Multithreading, Immutability, Design patterns, Spring Boot, Spring MVC, WebFlux, MyBatis, TestContainers, SQL, NoSQL databases, Oracle, PostgreSQL, MongoDB, Redis, Kafka, Microservices architecture, RESTful APIs, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix/Linux scripting, Polish language proficiency, Communicative English, Legal right to work in the EU 📃 Skills: Java, Spring, WebFlux, MyBatis, TestContainers, SQL, Oracle, PostgreSQL, MongoDB, Redis, Kafka, REST, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix, Linux, SCRUM, Confluence, Git 🏢 Description: Empower digital transformation — craft scalable solutions with Java and cloud innovation! Warszawa-based opportunity with hybrid/ remote work model. As a Senior Java Developer , you will be working for our client, a leading player in the OTT/ECommerce industry, focused on delivering cutting-edge digital products within a dynamic and collaborative environment. Be part of a team that drives innovation, shapes future-ready architectures, and elevates user experiences through advanced microservices and cloud technologies. Your main responsibilities: Develop and maintain robust microservices using Java 8-25, ensuring high-quality code and optimal performance. Collaborate with cross-functional teams including Frontend Developers and Test Engineers within an Agile Nexus SCRUM framework. Conduct code reviews, contribute to architectural decisions, and mentor junior team members. Design, implement, and optimize RESTful architecture, utilizing tools like Kubernetes, Docker, and SOA principles. Support CI/CD pipelines and manage version control with Git, Jenkins, and related tools. Write comprehensive technical documentation in Confluence and contribute to knowledge sharing. Participate in technical consultations, problem-solving, and continuous improvement initiatives. Ensure application security following OWASP standards and best practices. You're ideal for this role if you have: At least 4 years of professional experience in Java development. Strong expertise in Java 8-25, multithreading, immutability, and design patterns. Experience with Spring Boot, Spring MVC, WebFlux, MyBatis, and TestContainers. Solid knowledge of SQL and NoSQL databases such as Oracle, PostgreSQL, MongoDB, Redis, and messaging systems like Kafka. Familiarity with microservices architecture, RESTful APIs, Kubernetes, Docker, and cloud services (AWS). Practical understanding of testing frameworks like JUnit, Mockito, and Spock. Experience with version control, CI/CD tools (Jenkins, GitLab), and scripting in Unix/Linux environments. Good command of the Polish language and communicative English skills. Ability to work independently with strong analytical and problem-solving skills. It is a strong plus if you have: Front-end skills (HTML, CSS, JavaScript, Angular/React/Vue.js). Certifications in AWS or other cloud platforms. Knowledge of DevOps practices and automation tools. Eligibility to work in the European Union: Only candidates with an existing legal right to work in the EU will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Java Developer role focused on building and optimizing scalable backend systems for real-time data processing in a fully remote environment. The position involves developing Java 17+ and Spring Boot applications, managing Kafka streams, implementing CI/CD pipelines, and maintaining high-quality testing and database solutions. 🗂️ Requirements: 5+ years of Java development experience, Java 17+ proficiency, Spring Boot expertise, REST API design experience, Apache Kafka experience, JUnit knowledge, Mockito knowledge, CI/CD experience, Jenkins familiarity or GitLab CI familiarity, Good Polish language skills, Communicative English level, Legal right to work in the European Union 📃 Skills: Java, Spring, Kafka, JUnit, Mockito, REST, Jenkins, GitLab, PostgreSQL, RabbitMQ, OpenShift, Prometheus, Grafana, JMeter 🏢 Description: Unleash innovative backend solutions — shape the future of real-time data processing! 100% remote work. As a Senior Java Developer, you will be working for a client focused on building robust, scalable software solutions. You will contribute to advancing data-driven platforms, delivering impactful backend components that support critical business operations and digital transformation. Your main responsibilities: - Develop and optimize Java 17+ applications with Spring Boot, focusing on REST API creation and integration. - Design and write automated tests, including unit, integration, contract, and API testing using JUnit, Mockito, and REST Assured. - Manage Apache Kafka streams, ensuring seamless real-time data processing and system reliability. - Implement CI/CD pipelines with Jenkins or GitLab CI to improve development workflows. - Maintain and enhance PostgreSQL database solutions, ensuring data integrity and performance. - Collaborate across teams to troubleshoot and resolve complex technical issues. - Document technical specifications and participate in code reviews. You’re ideal for this role if you have: - At least 5 years of professional experience in Java development. - Advanced knowledge of Java 17+, Spring Boot, and REST API design. - Proven expertise with Apache Kafka. - Experience with testing frameworks such as JUnit and Mockito. - Familiarity with CI/CD tools like Jenkins or GitLab CI. Nice to have: - Working knowledge of PostgreSQL and RabbitMQ. - Experience with OpenShift, Prometheus, Grafana, or JMeter. Language requirements: - Polish: Good command. - English: Communicative level. Eligibility: - Only candidates with an existing legal right to work in the European Union will be considered. Interested candidates should apply with a CV, preferably in English, including consent to the processing and storage of personal data.

🏢 Summary: Senior Java Developer role focused on designing, building, and operating scalable fintech backend systems handling high-volume transactions. The position involves developing Java/Spring Boot microservices, scalable APIs, and distributed architectures in cloud environments. You will collaborate with international teams to deliver reliable, production-grade financial platforms. 🗂️ Requirements: 3–5 years of backend development experience, Strong experience with Java and Spring Boot in production, Experience building scalable backend services and APIs, Strong knowledge of SQL and NoSQL databases, Understanding of microservices architecture and distributed systems, Experience with asynchronous processing, Experience across full SDLC, Experience with AWS or Azure cloud environments, Professional English communication skills 📃 Skills: Java, Spring, SpringBoot, Microservices, SQL, NoSQL, PostgreSQL, MySQL, MongoDB, AWS, Azure, REST, APIs 🏢 Description: Senior Java Developer (Java, Spring Boot, Microservices) Position Overview We are looking for a Senior Java Developer to join our team in Poland and contribute to the development of highly scalable fintech systems supporting trillions of dollars in transactions annually . In this role, you will work closely with the US-based product and engineering teams , helping to design, build, and operate backend services for programmable payment, trading, and settlement platforms. You will report directly to the Software Manager in Poland. A key requirement is excellent English communication skills and strong soft skills — we are looking for someone eloquent, outgoing, friendly, and confident in collaboration . Responsibilities Design and develop backend architecture for fintech products and platforms. Build, maintain, and operate high-performance Java / Spring Boot microservices running in production environments. Develop scalable APIs and backend workflows with strong emphasis on data consistency, fault tolerance, and reliability . Own features end-to-end: from implementation through deployment and production support. Debug and resolve complex issues in distributed systems and high-volume production environments. Work closely with US-based teams to translate product requirements into robust backend solutions. Write clean, maintainable code and contribute to technical documentation, diagrams, and system workflows. Participate in code reviews and continuously improve backend quality and engineering standards. Requirements 3–5 years of professional backend development experience. Strong hands-on experience with Java and Spring Boot in production systems. Proven experience building and maintaining backend services and APIs at scale. Solid understanding of SQL and NoSQL databases (e.g., PostgreSQL/MySQL, MongoDB). Knowledge of microservices architecture, distributed systems, and asynchronous processing. Experience across full SDLC: architecture, development, testing, deployment, and maintenance. Experience operating systems in cloud environments such as AWS or Azure . Excellent communication skills in English . Nice to Have Experience with Spring AI . Previous exposure to banking, payments, trading, or financial transaction systems. Degree in Computer Science or equivalent practical experience. Personal Attributes Highly hands-on engineer who enjoys owning production-grade code. Comfortable working in a fast-paced, startup or high-growth environment. Strong analytical thinking, problem-solving ability, and attention to detail. Clear communicator, confident in collaborating with international teams. Friendly, proactive, and motivated to grow with the company and product.

🏢 Summary: Senior Java Developer role focused on designing, building, and operating scalable fintech backend systems using Java and Spring Boot in cloud environments. The position involves developing high-performance microservices and APIs for payment, trading, and settlement platforms, with end-to-end ownership from architecture to production support. The role requires close collaboration with international teams and ensuring reliability, consistency, and fault tolerance in distributed systems. 🗂️ Requirements: 3–5 years backend development experience, Strong experience with Java, Strong experience with Spring Boot, Experience building scalable backend services and APIs, Knowledge of SQL and NoSQL databases, Understanding of microservices architecture, Understanding of distributed systems, Experience with asynchronous processing, Experience across full SDLC, Experience with AWS or Azure, Professional English proficiency 📃 Skills: Java, SpringBoot, Microservices, SQL, NoSQL, PostgreSQL, MySQL, MongoDB, AWS, Azure, REST, APIs, SDLC, DistributedSystems, AsynchronousProcessing 🏢 Description: Senior Java Developer (Java, Spring Boot, Microservices) Position Overview We are looking for a Senior Java Developer to join our team in Poland and contribute to the development of highly scalable fintech systems supporting trillions of dollars in transactions annually . In this role, you will work closely with the US-based product and engineering teams , helping to design, build, and operate backend services for programmable payment, trading, and settlement platforms. You will report directly to the Software Manager in Poland. A key requirement is excellent English communication skills and strong soft skills — we are looking for someone eloquent, outgoing, friendly, and confident in collaboration . Responsibilities Design and develop backend architecture for fintech products and platforms. Build, maintain, and operate high-performance Java / Spring Boot microservices running in production environments. Develop scalable APIs and backend workflows with strong emphasis on data consistency, fault tolerance, and reliability . Own features end-to-end: from implementation through deployment and production support. Debug and resolve complex issues in distributed systems and high-volume production environments. Work closely with US-based teams to translate product requirements into robust backend solutions. Write clean, maintainable code and contribute to technical documentation, diagrams, and system workflows. Participate in code reviews and continuously improve backend quality and engineering standards. Requirements 3–5 years of professional backend development experience. Strong hands-on experience with Java and Spring Boot in production systems. Proven experience building and maintaining backend services and APIs at scale. Solid understanding of SQL and NoSQL databases (e.g., PostgreSQL/MySQL, MongoDB). Knowledge of microservices architecture, distributed systems, and asynchronous processing. Experience across full SDLC: architecture, development, testing, deployment, and maintenance. Experience operating systems in cloud environments such as AWS or Azure . Excellent communication skills in English . Nice to Have Experience with Spring AI . Previous exposure to banking, payments, trading, or financial transaction systems. Degree in Computer Science or equivalent practical experience. Personal Attributes Highly hands-on engineer who enjoys owning production-grade code. Comfortable working in a fast-paced, startup or high-growth environment. Strong analytical thinking, problem-solving ability, and attention to detail. Clear communicator, confident in collaborating with international teams. Friendly, proactive, and motivated to grow with the company and product.

🏢 Summary: Senior Java Developer role focused on building and optimizing high-throughput, event-driven backend microservices in a distributed architecture based on Kafka. The position involves designing scalable and reliable systems using modern Java and Spring Boot within an agile, international environment. Work includes performance optimization, asynchronous communication, and implementation of DDD and Event Sourcing patterns. 🗂️ Requirements: 5+ years of Java backend development experience, Strong hands-on experience with Kafka producer/consumer design and optimization, Experience with SQL and relational databases (Oracle, DB2, MSSQL or similar), Experience building distributed, high-availability, high-performance systems, Practical knowledge of Domain-Driven Design (DDD) and Event Sourcing, Experience with microservices architecture, Fluent English 📃 Skills: Java, Spring, Kafka, SQL, Oracle, DB2, MSSQL, Docker, Git, Maven, Microservices, CI/CD, DDD, EventSourcing, Splunk, Grafana 🏢 Description: We’re looking for a Senior Java Developer to support the development of business-critical backend services in a distributed, high-throughput architecture. The system is built on Kafka-based asynchronous communication and designed with a strong focus on performance, scalability, and reliability. You will be involved in designing and developing clean, event-driven microservices, working closely with experienced engineers in an international, agile setup. Tech stack Java 11+, Spring Boot Apache Kafka – producer/consumer optimization, retries, partitioning SQL: Oracle / DB2 / MSSQL Docker, Git, Maven Microservices architecture CI/CD pipelines Domain-Driven Design (DDD), Event Sourcing Monitoring: Splunk / Grafana (nice to have) What we expect 5+ years of experience in Java backend development Strong hands-on skills in Kafka producer/consumer design and optimization Solid experience in SQL and relational databases (Oracle, DB2, MSSQL or similar) Proven background in building distributed, high-availability, high-performance systems Practical understanding of DDD, Event Sourcing, microservices, and clean architecture Fluent English for daily collaboration

🏢 Summary: Full-stack Java developer role in the financial sector focused on building scalable microservices and modern frontend applications in an Agile environment. The position involves backend and frontend development using Java, Angular, cloud-native technologies, and distributed systems integrations. Hybrid work model with a long-term international project and competitive B2B rate. 🗂️ Requirements: 5+ years of commercial Java development experience, 2+ years of Angular experience, Knowledge of Spring Framework, Experience with microservices architecture, Experience with Docker, Experience with Kubernetes, Experience with Kafka and distributed systems, Knowledge of REST APIs, Knowledge of SQL, Experience with Oracle databases, Experience with Git, Understanding of Clean Code principles, Understanding of Continuous Integration, Experience integrating REST and SOAP services, Knowledge of XML, Knowledge of JSON, Knowledge of Avro, English level B2 or higher 📃 Skills: Java, Angular, React, Spring, Docker, Kubernetes, Kafka, REST, SQL, Oracle, Git, SOAP, XML, JSON, Avro, Jenkins, ArgoCD 🏢 Description: Senior Java Full-stack Developer 📍 Location: Warsaw, Gdańsk or Gdynia 🏢 Work model: Hybrid (3 days per week in the office) 📅 Project duration: August 2026 – January 2027 💰 B2B rate: up to 157 PLN/h ⏰ Full-time (40h/week) About the project Join an international financial institution and become part of a team responsible for building modern, scalable solutions supporting one of the company's key business domains. You will work in an Agile environment, developing cloud-ready microservices and integrating modern applications with existing enterprise platforms. This role combines backend and frontend development while giving you the opportunity to work with modern technologies, distributed systems, and high-performance applications. Your responsibilities Design, develop and maintain full-stack applications. Build and enhance Java-based microservices. Develop modern frontend solutions using Angular. Integrate applications using REST APIs, Kafka, MQ and Oracle databases. Participate in migration and transformation of existing systems. Ensure application quality, scalability and performance. Collaborate with architects, analysts, QA engineers and business stakeholders. Contribute to code reviews and technical improvements. We are looking for someone who has Minimum 5 years of commercial experience with Java development. At least 2 years of experience with Angular (React is also valued). Strong knowledge of Spring Framework . Experience building microservices architectures . Practical experience with Docker and Kubernetes . Experience working with Kafka and distributed systems. Knowledge of REST APIs , SQL and Oracle databases. Experience with Git . Understanding of Clean Code , Continuous Integration and software engineering best practices. Experience integrating REST and SOAP services. Good understanding of XML, JSON and Avro . Good command of English (B2 or higher) . Nice to have Jenkins Argo CD Event Sourcing Schema Registry DevOps practices What we offer Competitive B2B rate of up to 157 PLN/hour . Long-term international project. Opportunity to work with modern cloud-native technologies. Challenging projects within the financial sector. Professional, collaborative and Agile environment. Work with experienced engineers on large-scale enterprise solutions.

🏢 Summary: Senior Java Developer role focused on building and maintaining Java-based microservices, APIs, and data integration solutions in a hybrid B2B setup. The position involves ETL processes, database operations, and collaboration in a DevOps-driven environment. Experience with Java, Spring Boot, Kafka, PostgreSQL, and cloud-native tools is required. 🗂️ Requirements: 8+ years of software development experience, Java, Spring Boot, Microservices architecture, API development, Kafka, PostgreSQL, SQL, DataStage, Kubernetes, Jenkins, Bitbucket, DevOps experience, Fluent English 📃 Skills: Java, Spring, Kafka, PostgreSQL, SQL, DataStage, Kubernetes, Jenkins, Bitbucket, Microservices, APIs, ETL, DevOps 🏢 Description: Senior Java Developer Location: Hybrid (2 days/week from Warsaw, Gdańsk, Gdynia, or Łódź) Contract: B2B via Experis Start Date: ASAP / up to 30 days notice period Responsibilities Develop and maintain data integration solutions and data flow processes Build and enhance Java-based microservices and APIs Support ETL processes and database operations Collaborate in a DevOps-driven environment Requirements 8+ years of experience in software development Strong experience with Java and Spring Boot Experience with microservices architecture and APIs Knowledge of Kafka Experience with PostgreSQL and SQL Knowledge of DataStage (ETL) Familiarity with Kubernetes, Jenkins, and Bitbucket DevOps mindset Strong communication and teamwork skills Fluent English Nice to Have Experience in the banking or financial industry Benefits Medicover healthcare Multisport card Group life insurance Access to e-learning platform

🏢 Summary: Senior Java Developer role focused on building scalable REST APIs and advanced backend systems using modern Java and Spring technologies. The position involves designing, developing, and testing secure enterprise solutions in a hybrid work model. It offers the opportunity to contribute to large-scale digital transformation initiatives. 🗂️ Requirements: 5+ years of professional experience in Java development, Strong expertise in Java 17+, Strong expertise in Spring Boot 3/4+, Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL, Experience in building and securing REST APIs, Ability to perform unit and integration testing, Ability to analyze requirements and translate them into technical solutions, Fluent English (written and spoken), Legal right to work in the European Union, Availability to work in a hybrid model (up to 2 remote days per week) 📃 Skills: Java, Spring, SpringBoot, Git, Kubernetes, Jenkins, Flyway, RabbitMQ, PostgreSQL, REST, UnitTesting, IntegrationTesting, Architecture, Security, English 🏢 Description: Unleash innovation with scalable enterprise solutions — shape the future of digital transformation! Warsaw-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java Developer , you will be working for our client, a leading player in the technology industry committed to delivering cutting-edge software solutions. You will contribute to building robust, scalable REST APIs and advanced backend systems, empowering organizations to transform their digital landscapes and drive business success. This is your chance to grow your career at the forefront of technological innovation. Your main responsibilities: Analyze requirements and convert them into comprehensive technical tasks, supporting the development process. Propose and challenge technical solutions to ensure optimal implementation. Develop functionalities in Java 17+ using Spring Boot 3/4+ in line with architectural and security standards. Conduct thorough unit and integration testing to ensure code quality. Create and update technical and architectural documentation for ongoing project clarity. Share knowledge with team members to foster continuous learning and improvement. Stay updated on technological advancements and suggest innovative enhancements. You're ideal for this role if you have: 5+ years of professional experience in Java development or relevant fields. Strong expertise in Java 17+ and Spring Boot (version 3 or 4+). Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL. Proven ability to analyze complex requirements and translate them into technical solutions. Solid understanding of REST API development, architecture, security, and best practices. Excellent communication skills in fluent English. Ability to work in a hybrid model, with up to 2 remote days per week. It is a strong plus if you have: Knowledge of containerization and orchestration tools or certifications. Experience working within Agile teams or with CI/CD pipelines. Language Required for the role: Fluent English, written and spoken. Eligibility to work in Europe: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.