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: QA Engineer role for a global-scale gaming and lotteries platform, focused on end-to-end quality assurance across web and backend systems. The position combines manual and automated testing, including API and database validation, within complex distributed architectures. Hybrid work model based in Warsaw. 🗂️ Requirements: Bachelor's degree in Computer Science or related field, 4+ years of experience in Software Quality Assurance, Strong experience in manual testing, Proven experience in test automation, Knowledge of test design techniques and QA methodologies, Hands-on experience with SQL for data validation, Experience testing REST APIs, Experience with JIRA and XRAY, Understanding of Agile and Scrum processes 📃 Skills: SQL, PostgreSQL, REST, Postman, Bruno, Playwright, RobotFramework, JIRA, XRAY, Git, Python, Azure, AWS, GCP, Kafka, CICD, Microservices, Agile, Scrum 🏢 Description: At Pretius , we are looking for QA Engineer to a global-scale platform in the field of gaming and lotteries project. The role involves end-to-end testing, contributing to both manual and automated testing, and ensuring quality across complex, distributed systems. Work mode: hybrid (2 days per week in the office) Location: Warsaw Project / Role Design, maintain, and execute comprehensive manual test cases and test scenarios. Perform functional, regression, integration, and exploratory testing on web and backend systems. Validate backend logic and data integrity using SQL (PostgreSQL preferred). Perform REST API testing using Bruno, Postman, or equivalent tools. Actively contribute to UI test automation using Playwright, Robot Framework, or similar frameworks. Track, manage, and report defects using JIRA. Collaborate closely with developers, product owners, and DevOps to ensure quality throughout the SDLC/STLC. Requirements Bachelor's degree in Computer Science, Computer Engineering, or similar technical field. 4+ years of experience in Software Quality Assurance. Strong experience with manual testing and proven exposure to test automation. Solid understanding of test design techniques and QA methodologies. Handson experience with SQL for backend and data validation (PostgreSQL preferred). Proven experience testing REST APIs. Experience using JIRA and test management tools such as XRAY. Good understanding of Agile/Scrum development processes. Strong communication skills in English (B2/C1), written and spoken. Ability to work independently and effectively within distributed teams. Nice to have: Strong experience with Playwright or Robot Framework for UI automation. Experience with cloud environments (Azure preferred; AWS/GCP acceptable). Familiarity with eventdriven systems and Kafka. Understanding of microservices architectures. Experience with CI/CD pipelines and version control (Git). Scripting skills (e.g., Python) for test support or automation. Experience testing highavailability or distributed systems. 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: Full Stack Engineer role in a financial industry project within an international team, focused on building and maintaining web applications across frontend and backend. The position involves developing React components, implementing backend logic in Java, managing PostgreSQL databases, and working with Azure Functions and CI/CD pipelines. The role emphasizes high code quality and best development practices. 🗂️ Requirements: 4+ years of experience as Full Stack Developer, Strong knowledge of React, Strong knowledge of Java, Strong knowledge of PostgreSQL, Experience with Azure Functions, Experience with CI/CD pipelines, Understanding of Clean Code principles, Experience with testing practices 📃 Skills: React, Java, PostgreSQL, AzureFunctions, CICD, AzureDevOps, GitHubActions, Jenkins, CleanCode, Testing, Microservices 🏢 Description: At Pretius we are looking for FullStack Enigneer to a project in the financial industry, international team. Project / Role Design, develop, and maintain web applications (frontend + backend) Build and enhance components in React Implement backend logic in Java Work with PostgreSQL databases Develop and maintain Azure Functions Contribute to building and maintaining CI/CD pipelines Collaborate with cross-functional teams (developers, QA, architects) Participate in code reviews and ensure high code quality Requirements 4+ years of experience as a Full Stack Developer Strong knowledge of: React, Java, PostgreSQL Experience with: Azure Functions, CI/CD pipelines (e.g., Azure DevOps, GitHub Actions, Jenkins) Understanding of software development best practices (Clean Code, code reviews, testing) Experience working in Agile/Scrum environments Good command of English (min. B2) Nice to have Experience working in cloud environments (Azure) Knowledge of microservices architecture Experience in enterprise-level projects 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 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.

🏢 Summary: Project Manager role responsible for leading technical projects for a global gaming and lotteries platform, ensuring delivery within scope, budget, and schedule. The position involves coordinating cross-functional agile teams, managing risks, and maintaining stakeholder communication throughout the project lifecycle. The role requires strong expertise in software development standards and agile project management practices. 🗂️ Requirements: 4+ years IT project management experience, Experience in software development environments, Knowledge of software development and deployment standards, Experience working with cross-functional agile teams, Proficiency in project management tools, Knowledge of Agile methodologies and artifacts, Experience managing multiple development teams, Ability to manage project scope, budget, and schedule 📃 Skills: Agile, Scrum, JIRA, SDLC, Kanban, Backlog, UserStories, Epics, Roadmapping, RiskManagement 🏢 Description: At Pretius we are looking for Project Manager to a global-scale platform in the field of gaming and lotteries project. Project / Role Manage technical projects, ensuring delivery within scope, budget, and schedule. Define project objectives, timelines, resource requirements, and implementation plans. Monitor project progress, track milestones, manage risks, and adjust plans as needed to address delays or changing priorities. Facilitate requirements gathering and validation with stakeholders. Coordinate internal teams, external vendors, and clients to ensure smooth project execution. Establish and maintain project communication, providing regular status updates to stakeholders and senior management. Prepare and communicate implementation specifications, project expectations, and delivery timelines. Forecast potential issues, develop mitigation plans, and ensure successful project outcomes. Requirements 4+ years of management experience in the IT field, including development work and interactions with customers. Knowledge of software development and deployment industry standards. Strong communication skills to coordinate with team members, vendors and management. Organizational skills and time management skills to keep projects on track to the finish. Project management skills to start projects and finish projects successfully. Experience working with cross-functional agile teams. Proficient use of project management software (e.g. JIRA). Excellent knowledge of Agile techniques and artifacts (e.g., Definition of Ready/Done, user stories, epics, features, backlog, splitting stories, etc.). Experience creating proactive self-organizing teams. Experience of delivering in an environment where multiple development teams are involved. Nice to have: Professional Project Management Certification from an accredited institution. Professional Scrum Master Certification from an accredited institution. IT technical background (Architect, Engineer, QA, etc.) is considered 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.

🏢 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: Fullstack Developer role for a large-scale travel booking system focused on building and maintaining high-traffic APIs, internal web applications, and numerous external integrations. The position involves working across distributed services, resolving production incidents, and contributing to engineering standards and development practices. 🗂️ Requirements: Strong understanding of SOA, Strong understanding of microservices architecture, Knowledge of API design principles, Experience with Node.js, Experience with JavaScript, Experience with TypeScript, Experience with Docker, Experience with Azure cloud services, Experience with CI/CD practices, Experience integrating third-party systems, Ability to troubleshoot distributed systems 📃 Skills: Node.js, JavaScript, TypeScript, Docker, Azure, SOA, Microservices, API, CI/CD, Cloud 🏢 Description: At Pretius we are looking for a Fullstack Developer for a travel booking system project for a major international transport company. Work mode: hybrid (once a month, a 2-day business trip to a client abroad; the rest of the time, working remotely from Poland) Project / Role Develop and maintain public and private APIs serving 100M+ requests monthly Support and enhance 20+ internal web applications used across the organization Build and maintain integrations with 50+ external systems and platforms Investigate and resolve production incidents across distributed services and the full application stack Contribute to the continuous improvement of engineering standards, tools, and development practices Requirements Bachelor's degree in Computer Science, Computer Engineering, or similar technical field Strong understanding of SOA, microservices, and API design principles Solid experience with Node.js, Nest.js, JavaScript, TypeScript, and Docker Hands-on experience with cloud technologies, particularly Azure Ability to quickly learn and adapt to new technologies and systems Familiarity with CI/CD and modern software delivery practices Experience integrating third-party services and platforms Very good command of English (min. B2) – both verbal and written Nice to have: Proficiency in French or German 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: Development role focused on building and maintaining backend applications using modern Java and Spring technologies in an agile environment. The position involves end-to-end understanding of application development and delivering secure, high-quality solutions for a global lottery solutions client. 🗂️ Requirements: Java 21, Spring Boot 3, Experience with GitHub-like platform, PostgreSQL, Strong debugging skills, Strong troubleshooting skills, Experience with Agile development, Knowledge of Scrum ceremonies, Bachelor’s degree in IT or equivalent experience 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, GitHub, Agile, Scrum, SQL, Hibernate, Azure 🏢 Description: Responsibilities: Collaboration with the team. Understanding end-to-end work and importance of building an app usable for all customers. Requirements: Java 21 Spring Boot 3 Experience with GITHUB-like platform PostgreSQL database. Strong debugging and troubleshooting skills. Experience with agile development. Familiarity with Agile – Scrum methodology with all ceremonies. Bachelor’s degree in IT or equivalent practical experience. Nice to have: MS Azure knowledge SQL Hibernate 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 Java Developer role focused on designing and implementing complex Java-based solutions for large-scale enterprise or public sector projects. The position involves hands-on development, architectural contribution, and mentoring junior team members. The role requires strong expertise in modern Java ecosystems and enterprise integration environments. 🗂️ Requirements: Minimum 5 years of professional Java experience, Strong knowledge of Spring Boot and RESTful APIs, Experience with JUnit and Mockito testing frameworks, Experience with OpenShift and Helm, Experience with Spring Data or JPA ORM frameworks, Minimum 1 year experience with Oracle or PostgreSQL, Minimum 2 years experience with Gradle for CI, Experience in large-scale enterprise or public sector projects, Degree in Computer Science or equivalent, German C1 and English B1 proficiency 📃 Skills: Java, SpringBoot, REST, JUnit, Mockito, OpenShift, Helm, SpringData, JPA, Oracle, PostgreSQL, Gradle 🏢 Description: Summary: The Senior Java Developer plays a crucial role in designing and implementing complex Java-based solutions, mentoring other team members, and contributing to large-scale projects in either the enterprise or public sectors. Main Responsibilities: Design and implement complex Java-based solutions. Mentor junior developers and assist in team knowledge sharing. Manage and contribute to large-scale enterprise or public-sector projects. Key Requirements: Fluent in German (C1) and English (min. B1). Degree in Computer Science or equivalent. Minimum of 5 years of professional experience in Java Strong understanding of Spring Boot, RESTful APIs, testing frameworks (JUnit, Mockito) Experience in OpenShift and Helm charts and ORM frameworks like Spring Data or JPA Knowledge of Oracle or PostgreSQL (min. 1 year). Experience with Gradle for continuous integration (min. 2 years). Experience with large public sector projects or comparable private sector engagements. Nice to Have: Additional years of experience with core technologies beyond the stipulated minimum. Frontend experience with React and TypeScript, and understanding of Ajax (min. 1 year). Experience with complex enterprise application integration.