Senior Java Developer

🏢 Summary: Development role focused on building and maintaining testing frameworks and performance tooling for a global gaming and lotteries platform. The position involves creating automated solutions, supporting performance analysis, and collaborating with QA teams to improve testing efficiency and reliability. The role includes hands-on Java development, code reviews, and contributing to scalable quality assurance tools. 🗂️ Requirements: 5+ years of software development experience, Bachelor’s degree in Computer Science or equivalent experience, Proficiency in Java, Experience with SpringBoot, Experience with JPA and Hibernate, Experience building RESTful services, Knowledge of DB2 or PostgreSQL, Experience with software debugging tools, Strong understanding of Object-Oriented Programming, Strong understanding of Concurrent Programming, Experience with Git, Ability to pass security investigation 📃 Skills: Java, SpringBoot, JPA, Hibernate, REST, DB2, PostgreSQL, Git, SQL, Concurrency, OOP, Debugging 🏢 Description: At Pretius , we are looking for Java Developer to a global-scale platform in the field of gaming and lotteries project. Project / Role Design and develop tooling to support functional and performance testing within the QA team Implement automated solutions that improve testing efficiency and reliability Provide hands-on development of test frameworks, utilities, and performance test tooling Investigate performance issues, support root-cause analysis, and collaborate on improvements Collaborate with QA engineers and cross-functional teams to understand testing needs and translate them into scalable tools Write unit tests and perform peer design/code reviews Requirements 5+ years of development experience Computer Science Bachelor's degree, College degree or equivalent experience Proficiency in Java, SpringBoot, JPA, Hibernate, RESTful services Knowledge of relational databases ( DB2/PostgreSQL ) Knowledge of software debugging tools Good understanding of Object-Oriented and Concurrent Programming Solid experience with version control systems (preferred GIT) Nice to have: Experience in Docker/Kubernetes development Familiarity and experience with production deployment and troubleshooting Knowledge of event streaming, CQRS, Kafka Being able to pass a security investigation What do we offer? We focus on long-term relationships based on fair principles and reliability Co-financing of the Multisport card and Medicover private healthcare Modern office available Team bonding activities, internal courses, conferences, certifications

🏢 Summary: Senior Java Developer role focused on developing OTT products for a satellite digital platform and internet television services. The position involves backend development, business and technical requirements analysis, code reviews, technical consulting, and working in a Scrum environment using modern cloud and microservices technologies. 🗂️ Requirements: 4+ years of experience with Java 8-18, Knowledge of Spring Boot, Spring MVC, and MyBatis, Practical knowledge of SQL and NoSQL databases, Experience with Apache Kafka, Knowledge of ORM, Understanding of microservices and RESTful architecture, Knowledge of Kubernetes and Docker, Experience with SOA, Knowledge of unit, integration, and acceptance testing, Experience working in Scrum teams, Knowledge of AWS services including IAM, EC2, S3, Lambda, API Gateway, Cloudwatch, MSK 📃 Skills: Java, Spring, SpringBoot, SpringMVC, MyBatis, SQL, NoSQL, MySQL, PostgreSQL, Oracle, MongoDB, Redis, Kafka, ORM, Microservices, REST, Kubernetes, Docker, SOA, JUnit, Mockito, Scrum, AWS, IAM, EC2, S3, Lambda, APIGateway, Cloudwatch, MSK, Confluence, Jira 🏢 Description: W Pretius poszukujemy Senior Java Developera do projektu wspierającego usługi satelitarnej platformy cyfrowej oraz telewizji internetowej. Projekt / Rol a Realizacja prac programistycznych w ramach produktów OTT. Praca w frameworku Nexus SCRUM. Zbieranie i analiza wymagań biznesowych oraz technicznych. Udzielanie konsultacji technicznych i wsparcia doradczego dla innych osób i działów. Przeprowadzanie code review oraz dbanie o rozwój kompetencji zespołu. Tworzenie i utrzymywanie dokumentacji technicznej w Confluence. Realizacja oraz obsługa zadań projektowych z wykorzystaniem Jira. Oczekiwania 6+ lat doświadczenia w Java 8-18. Znajomość frameworków Spring (Spring Boot, Spring MVC oraz MyBatis). Praktyczna znajomość SQL i NoSQL (np. MySQL, PostgreSQL, Oracle, MongoDB, Redis), Apache Kafka. Umiejętność pracy z ORM (Object-Relational Mapping). Rozumienie architektury oprogramowania: Mikroserwisy, Architektura RESTful, Kubernetes, Docker, SOA (Service-Oriented Architecture). Znajomość testów jednostkowych (JUnit, Mockito), integracyjnych i akceptacyjnych. Doświadczenie w pracy w zespole Scrum. Znajomość AWS (w tym IAM, EC2, S3, Lambda, API Gateway, Cloudwatch, MSK). Co oferujemy w Pretius? Stawiamy na długofalowe relacje oparte na uczciwych zasadach i rzetelności. Dofinansowanie karty sportowej Multisport i opieki zdrowotnej Medicover. Możliwość pracy w nowoczesnym biurze. Imprezy integracyjne, szkolenia wewnętrzne, konferencje, certyfikacje.

🏢 Summary: Junior Java Developer role focused on developing and maintaining systems for sales support, insurance, and settlement processes. The position involves working with experienced developers on new functionalities, system integrations, and embedded or edge product hardware testing using modern Java and cloud technologies. 🗂️ Requirements: 1+ rok doświadczenia w budowaniu aplikacji, Znajomość Java 17 i 21, Doświadczenie z integracją systemów opartą o SOAP i REST, Umiejętność projektowania struktur danych, Umiejętność pracy z bazami danych, Gotowość do okazjonalnych wizyt w biurze w Warszawie 📃 Skills: Java, Spring, SpringBoot, Angular, React, PostgreSQL, Liquibase, Docker, Kubernetes, AWS, Oracle, Azure, KeyCloak, REST, SOAP 🏢 Description: W Pretius poszukujemy Junior Java Developera do tworzenia, rozwoju i utrzymania systemów dla dwóch klientów w obszarze wsparcia sprzedaży, ubezpieczeń i systemów rozliczeniowych. Projekt / Rola - Rozwój systemu - nowe funkcjonalności i utrzymanie - Praca w zespole doświadczonych developerów - Dobór i testy sprzętu dla produktów wbudowanych i brzegowych Stack technologiczny: - Java 17/21 - Spring - Spring Boot - Angular - React - PostgreSQL - Liquibase - Docker - Kubernetes - AWS - Oracle - Azure - KeyCloak - REST - SOAP Oczekiwania - 1+ rok doświadczenia w budowaniu aplikacji - Znajomość Java 17 i 21 - Doświadczenie z zakresu integracji systemów w oparciu o SOAP, REST - Umiejętność projektowania struktur danych i posługiwania się bazami danych Mile widziane: - Znajomość Angular/React - Otwartość na okazjonalne wizyty w biurze w Warszawie Co oferujemy? - Dofinansowanie karty sportowej Multisport i opieki zdrowotnej Medicover - Możliwość pracy w nowoczesnym biurze - Imprezy integracyjne, szkolenia wewnętrzne, konferencje, certyfikacje

🏢 Summary: Full-time Senior Java Developer role focused on designing and maintaining high-performance, secure backend systems in a cloud-native environment. The position involves leading technical design, developing scalable applications with Java 17+ and Spring Boot, and supporting CI/CD and Kubernetes-based deployments. Work is remote or hybrid (Warsaw) within Agile, distributed teams. 🗂️ Requirements: Mastery of Java 17+, Proficiency in Spring, Spring Boot, Spring Security, Experience in cloud-native application development, Experience with Maven, Experience with SQL databases, Proficiency in Git and GitHub including pipeline development, Knowledge of JUnit, AssertJ, Hamcrest, Experience with CI/CD tools and processes, Experience with Kubernetes and Helm, Bash/Shell scripting skills, Experience in enterprise environments, Experience working in Agile (Scrum/Kanban) teams 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, Maven, SQL, Git, GitHub, JUnit, AssertJ, Hamcrest, CICD, Kubernetes, Helm, Bash, Shell, Docker 🏢 Description: Type of work : Full-time; Remote/Hybrid (Warsaw) As a Senior Java Developer, you will lead the design, development, and maintenance of high-performance backend systems. You’ll collaborate with product managers, architects, and developers to ensure our solutions are scalable, secure, and future-ready. We encourage the use of Generative AI tools like GitHub Copilot to boost innovation and productivity. Requirements Java, Postgresql, Liquibase, Spring boot, Angular. Responsibilities Develop robust, configurable applications using Java 17+ and Spring Boot to effectively meet the diverse requirements of multiple customers. Ensure the efficiency of PostgreSQL databases for scalable solutions. Ensure security, scalability, and performance in all backend solutions. Employ Bash/Shell scripting for automation and comprehensive system integration tasks. Contribute to application deployment using Docker and Kubernetes , while utilizing Helm for package management. Communicate effectively in English (B2/C1 level) within distributed teams. Participate actively in scrum events. Collaborate with other engineering teams. Lead design discussions and mentor other developers. Client A global leader with a sharp focus on lottery solutions. A confident step forward building on a long history of delivering safe and secure technology, demonstrating strong commitment to customers as a dedicated lottery service provider. Leveraging collective insight, experience, and expertise to create reliable and engaging solutions that help lottery clients achieve objectives, meet player needs, and deliver meaningful benefits to communities.

🏢 Summary: Development, enhancement and maintenance of sales support and financial settlement systems using modern Java technologies. The role involves active participation in application design, system integrations and working within an experienced development team. The position also includes database design and integration of distributed systems based on REST and SOAP. 🗂️ Requirements: 3+ years of experience in building applications, Strong knowledge of Java 17, Strong knowledge of Java 21, Experience with REST integrations, Experience with SOAP integrations, Ability to design data structures, Experience working with databases 📃 Skills: Java, Spring, SpringBoot, Angular, React, PostgreSQL, Liquibase, Docker, Kubernetes, AWS, Oracle, Azure, Keycloak, REST, SOAP 🏢 Description: W Pretius poszukujemy Java Developera do tworzenia, rozwoju i utrzymania systemów dla dwóch klientów w obszarze wsparcia sprzedaży i finansów, systemów rozliczeniowych. Tryb pracy: hybryda (2 dni w tygodniu w biurze w Warszawie) Projekt / Rola Prace nad tworzeniem systemu, rozwojem nowych funkcjonalności i utrzymaniem Aktywny udział w projektowaniu aplikacji Praca w zespole doświadczonych developerów Dobór i testy sprzętu dla produktów wbudowanych i brzegowych Stack technologiczny: Java 17/21, Spring, Spring Boot, Angular, React, PostgreSQL, Liquibase, Docker, Kubernetes, AWS, Oracle, Azure, Liquibase, KeyCloak, REST, SOAP Oczekiwania 3+ lata doświadczenia w budowaniu aplikacji Dobra znajomość Java 17 i 21 Doświadczenie z zakresu integracji systemów w oparciu o SOAP, REST Umiejętność projektowania struktur danych i posługiwania się bazami danych Mile widziane: Znajomość Angular lub React Co oferujemy w Pretius? Stawiamy na długofalowe relacje oparte na uczciwych zasadach i rzetelności Dofinansowanie karty sportowej Multisport i opieki zdrowotnej Medicover Możliwość pracy w nowoczesnym biurze Imprezy integracyjne, szkolenia wewnętrzne, konferencje, certyfikacje

🏢 Summary: Development of an online payment platform operating in 22 countries, including expansion of data pipelines and co-creation of the core platform. The role involves working with Java and PHP in an international team for a Danish client. 🗂️ Requirements: 5+ years of experience as Java Developer, Strong knowledge of Java 11+, Practical experience with PHP, Experience with relational databases, Experience with NoSQL databases, Experience in building or maintaining data pipelines, English level B2 or higher 📃 Skills: Java, PHP, SQL, NoSQL, Docker, Kubernetes, Elastic, AWS, Serverless 🏢 Description: W Pretius poszukujemy Java Developera w projekcie systemu płatności online. Projekt / Rola Platforma płatności online, współpraca z bankami oraz ecommerce, rozwiązanie dostępne w 22 krajach Rozbudowa data pipelines oraz współpraca przy tworzeniu Core'owej platformy Stack: Java 11+, PHP Współpraca z zespołem zagranicznym, klient z Danii Oczekiwania 5+ lat doświadczenia w podobnej roli Praktyczna znajomość Java 11+, PHP Doświadczenie z relacyjnymi bazami danych i/lub NoSQL Bardzo dobra znajomość języka angielskiego (min. B2) Mile widziane Znajomość Docker, Kubernetes, Elastic, AWS Components i Serverless Co oferujemy w Pretius? Stawiamy na długofalowe relacje oparte na uczciwych zasadach i rzetelności Dofinansowanie karty sportowej Multisport i opieki zdrowotnej Medicover Możliwość pracy w nowoczesnym biurze Imprezy integracyjne, szkolenia wewnętrzne, konferencje, certyfikacje

🏢 Summary: Development and maintenance of a popular eCommerce platform with a focus on building recommendation mechanisms and delivering high‑quality backend solutions in a microservices environment. The role involves implementing new features, ensuring performance, testing, and system availability. The position requires strong ownership and responsibility for delivering business goals. 🗂️ Requirements: 4+ years of experience as Backend Engineer or Java Developer, Strong commercial experience with Java, Experience with microservices architecture, Experience working on backend systems in production environments, English proficiency at minimum B2+ 📃 Skills: Java, Kotlin, Spring, SpringBoot, Microservices, Kafka, PostgreSQL, Docker, Kubernetes 🏢 Description: W Pretius poszukujemy Software Engineera (Java) do rozwoju popularnej platformy eCommerce. Projekt / Rola Rozwój i utrzymywanie produktu na popularnej platformy eCommerce Tworzenie mechanizmów rekomendacji ofert o wysokim potencjale sprzedaży Praca w zorganizowanym środowisku, z kluczową odpowiedzialnością za dowiezienie celów Wdrażanie nowych funkcjonalności, dbanie o jakość kodu, wydajność, testy, utrzymanie oraz dostępność Oczekiwania 4+ lata doświadczenia na podobnym stanowisku (Backend Engineer/Java Developer) Bardzo dobra znajomość języka Java oraz praktyczne doświadczenie w jego komercyjnym wykorzystaniu Doświadczenie w pracy projektowej w architekturze mikroserwisowej Umiejętność efektywnej współpracy w zespołach cross‑funkcyjnych (Product Manager, Data Analysts, UX/UI Designers) Proaktywność i samodzielność w działaniu, w tym aktywne zbieranie, doprecyzowywanie i weryfikowanie wymagań Znajomość języka angielskiego na poziomie min. B2+ Stack: Java/Kotlin, Spring Boot, mikroserwisy, Kafka, PostgreSQL, Docker, Kubernetes Co oferujemy w Pretius? Stawiamy na długofalowe relacje oparte na uczciwych zasadach i rzetelności Dofinansowanie karty sportowej Multisport i opieki zdrowotnej Medicover Możliwość pracy w nowoczesnym biurze Imprezy integracyjne, szkolenia wewnętrzne, konferencje, certyfikacje

🏢 Summary: Long-term hybrid opportunity for a Senior Java Developer to build and maintain backend services for large-scale gaming and lottery platforms using Java and Spring technologies. The role involves developing scalable microservices, database integration, performance optimization, and collaboration within Agile international teams. 🗂️ Requirements: Strong proficiency in Java 8+, Experience with Spring, Experience with Spring Boot, Experience with RESTful APIs, Experience with microservices architecture, Experience with MySQL or Oracle Database, Knowledge of Maven or Gradle, Experience with Git, Knowledge of Hibernate or JPA, Ability to work in English-speaking Agile teams, Availability for hybrid work in Lisbon, Availability for international travel 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, MySQL, Oracle, Maven, Gradle, Git, Hibernate, JPA, JUnit, Docker, SQL, Eclipse, IntelliJ, Scala 🏢 Description: Location: Lisbon Model: Hybrid - 2x times a week at Lisbon’s office | Availability for international travel Language: English About the Role We are seeking a highly skilled Senior Java Developer to join our Backend Engineering team. This role involves designing, developing, and maintaining backend services that support large-scale gaming and lottery platforms. You will integrate into a team of 8 consultants working on a pivotal project, contributing to new features, improvements, and ongoing system enhancements. This is a long-term engagement (12+ months), providing the opportunity to work on high-impact, mission-critical backend systems utilizing modern Java and Spring technologies. Key Responsibilities Design, develop, and maintain backend services using Java and Spring/Spring Boot frameworks. Implement high-quality, scalable code following best engineering practices. Contribute to backend architecture, design patterns, and technical decision-making. Participate in code reviews, debugging, and performance optimization. Collaborate closely with cross-functional teams to support new features and ongoing enhancements. Work on database integration using MySQL or Oracle , including writing efficient queries and troubleshooting issues. Ensure code quality and reliability through unit testing (JUnit) and CI/CD pipelines. Participate in Agile ceremonies and contribute to sprint planning and estimation. Provide technical knowledge sharing within the team and support less experienced developers when needed. Must-Have Skills Strong proficiency in Java (Java 8+). Solid experience with Spring and Spring Boot . Hands-on experience with RESTful APIs and microservices architecture. Experience using relational databases (at least one of the following): MySQL Oracle Database Familiarity with Maven or Gradle build tools. Experience with version control using Git. Knowledge of Hibernate, JPA, or equivalent ORM technologies. Ability to work in English-speaking agile teams. Nice-to-Have Skills Knowledge of Docker or containerized services. Experience with SQL performance optimization . Familiarity with Eclipse or IntelliJ IDEA. Experience working in large enterprise environments. Experience with additional JVM-based languages (e.g., Scala) is a plus. Soft Skills Strong problem-solving and analytical mindset. Excellent communication and teamwork in an international environment. Ability to work independently and deliver high-quality work under minimal supervision. Adaptability and willingness to learn new technologies as required by the project.

🏢 Summary: Senior Java Developer role focused on designing, building, and maintaining scalable, secure, high-performance backend systems using modern Java and cloud-native technologies. The position involves working in Agile teams, leading technical discussions, mentoring developers, and driving DevOps automation. Hybrid work model with regular presence in the Warsaw office. 🗂️ Requirements: 8+ years of backend development experience, Proficiency in Java 17+, Experience with Spring Boot and Spring Security, Strong knowledge of Hibernate and JPA, Experience with Maven, Strong SQL skills with PostgreSQL, Experience in cloud-native application development, Hands-on experience with Git and GitHub pipelines, Experience with CI/CD tools, Experience with Kubernetes and Helm, Ability to write Bash/Shell scripts, Experience with JUnit, AssertJ, and Hamcrest, Degree in Computer Science or equivalent experience 📃 Skills: Java, Spring, SpringSecurity, Hibernate, JPA, Maven, PostgreSQL, SQL, Kubernetes, Helm, Docker, Bash, Git, GitHub, CICD, JUnit, AssertJ, Hamcrest 🏢 Description: Role Overview As a Senior Java Developer, you will design, build, and maintain scalable, secure, and high-performance backend systems. Working closely with cross-functional teams, you’ll drive innovation – including the use of GenAI tools like GitHub Copilot -and mentor other developers. Work mode: hybrid 2-3 days / 5 days at the Warsaw office. Key Responsibilities Backend & DB: Develop robust, multi-tenant applications using Java 17+, Spring Boot, and PostgreSQL. DevOps & Automation: Manage deployments using Docker, Kubernetes, and Helm; automate tasks via Bash/Shell scripting. Leadership & Agile: Lead design discussions, mentor peers, and actively participate in Scrum events within a distributed team. Requirements Technical Skills: Java Stack: Java 17+, Spring (Boot, Security), Hibernate/JPA, Maven. Data & Cloud: SQL (PostgreSQL), cloud-native application development. DevOps & CI/CD: Git/GitHub (pipelines), CI/CD tools, Kubernetes, Helm, Bash. Testing: JUnit, AssertJ, Hamcrest. Skills & Experience: 8+ years of professional backend experience (preferably in enterprise environments). Degree in Computer Science (or equivalent experience). Fluent English ( B2/C1 ) and strong collaboration skills in Agile teams. Nice-to-Have Kafka & Event-driven / Microservices architecture. Python, C, or Go (Golang) scripting. Monitoring tools (Kibana, Grafana, Prometheus). Security best practices (OWASP Top 10) & Jira. Client A global leader with a sharp focus on lottery solutions. A confident step forward building on a long history of delivering safe and secure technology, demonstrating strong commitment to customers as a dedicated lottery service provider. Leveraging collective insight, experience, and expertise to create reliable and engaging solutions that help lottery clients achieve objectives, meet player needs, and deliver meaningful benefits to communities.

🏢 Summary: Senior Frontend Engineer role focused on owning and evolving the frontend architecture for global-scale digital draw games. The position involves building reusable client frameworks, implementing real-time event-driven systems, and developing interactive web-based game applications. You will guide external studios and ensure scalable, high-quality frontend implementations using modern tooling. 🗂️ Requirements: 5+ years of experience with React and TypeScript, Experience building complex frontend applications, Familiarity with HTML5 game technologies (e.g., Three.js or PlayCanvas), Experience developing interactive or real-time web applications, Experience with state-driven or event-driven frontend architectures, Understanding of asynchronous programming and real-time client-server communication, Experience with modern frontend tooling (e.g., Vite, CSS frameworks, automated testing), Proficiency with Git and collaborative version control workflows, Ability to translate UX and product requirements into technical implementations, Experience working with distributed teams or external development studios 📃 Skills: React, TypeScript, JavaScript, HTML5, Three.js, PlayCanvas, Vite, Tailwind, CSS, Git, REST, WebSockets, Testing 🏢 Description: At Pretius , we are looking for Senior Frontend Engineer to take technical ownership of the frontend architecture powering our digital draw games for global-scale platform in the field of gaming and lotteries. Project / Role Own and evolve the frontend architecture and technical frameworks used across multiple game clients. Design and maintain reusable client foundations and game category frameworks supporting different game paradigms. Develop and maintain frontend systems using React, TypeScript, Vite, and modern CSS frameworks. Implement and maintain event-driven client-server communication patterns for real- time and on-demand gameplay flows. Translate gameplay flows, UX layouts, and production specifications into scalable frontend implementations. Support and guide external development studios building game experiences on top of the client frameworks. Maintain and manage source code repositories, versioning practices, and build pipelines for game clients. Requirements 5+ years of experience developing complex frontend applications using React and TypeScript. Familiarity with HTML5 game development technologies, such as Three.js or PlayCanvas. Proficiency in building interactive or real-time graphical applications for the web. Experience working with external development studios or distributed engineering teams. Strong experience building state-driven or event-driven frontend systems. Solid understanding of asynchronous programming and real-time client-server interactions. Experience with modern frontend tooling such as Vite, CSS frameworks (e.g., Tailwind), and automated testing frameworks. Strong experience with Git, version control, and collaborative development workflows. Ability to translate product and UX concepts into robust technical implementations. Experience collaborating with designers, backend engineers, and product teams. Strong problem-solving and communication skills. Experience working in regulated, transactional, or high-reliability environments is a plus. What do we offer? We focus on long-term relationships based on fair principles and reliability. Co-financing of the Multisport card and Medicover private healthcare. Modern office available. Team bonding activities, internal courses, conferences, certifications.