> Markdown version of [/jobs/ext/4625642-senior-full-stack-engineer-java-js](https://www.wearedevelopers.com/jobs/ext/4625642-senior-full-stack-engineer-java-js). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Engineer (Java+JS) - **Company:** SoftServe, Inc. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Component-Based Software Engineering, Business Logic, JIRA, Unit Testing, Microsoft Azure, Oracle WebLogic Server, Bootstrap (Software), Cascading Style Sheets (CSS), Software as a Service, Static Program Analysis, Code Review, Collaborative Software, Continuous Integration, Data Integration, Software Debugging, Drools, Enterprise JavaBeans, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Systems Analysis, Junit, PostgreSQL, Apache Maven, MongoDB, Cisco Nexus Switches, OAuth, Oracle (Applications), Scrum Methodology, Query Optimization, Openid Connect, Mockito, Fortify (Software), Swagger, JSON Web Token, Responsive Web Design, Service-Oriented Architecture, SonarQube, Web Services, Openapi, Data Logging, Apache Camel, ReactJS, Spring-boot, AI Coding Agents, Gitlab, Git, Vue.js, AngularJS, Kubernetes, Information Technology, Wikis, Bitbucket, Restful APIs, Atlassian Bamboo, Docker, Jenkins - **Published:** November 7, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/px8e0kd945 ## About the Role * University degree corresponding to EQF Level 6, typically a Bachelor's degree or equivalent * 12+ years of professional IT experience * Strong Java backend experience with Spring Boot, Hibernate, and REST API development * Strong knowledge of JavaScript, HTML, and CSS * Experience with PostgreSQL, Oracle, and MongoDB, including schema design and query optimization * Experience with WebLogic, JEE, and EJB * Experience with AWS or Azure and cloud application deployment * Experience designing and securing REST APIs with OpenAPI/Swagger * Strong knowledge of OAuth 2.0, OpenID Connect, and JWT * Knowledge of Angular, React, Vue, or Bootstrap * Experience with Maven, GitLab, Bamboo, Jenkins, Nexus, or similar build and CI/CD tools * Experience with Jira, Git, Bitbucket, and wiki-based collaboration tools * Experience with Docker and Kubernetes * Knowledge of SOA and service bus architectures * Experience with Agile and Scrum * Experience with JUnit and Mockito * Experience with SonarQube, SonarLint, HP Fortify, or similar code analysis tools * Experience with Apache Camel and Drools * Experience with AI coding tools such as Amazon Q or Kiro * Knowledge of system analysis and project management is an asset * Strong mentoring, communication, and leadership skills * English or French proficiency at B2 level or higher ## Description In this role, you will work as a Senior Full-Stack Java Engineer on large-scale corporate systems supporting calls, proposals, grants, audits, and related business processes within a European public-sector environment. You will develop secure and scalable applications across the full stack, contribute to cloud and CI/CD delivery, support production stability, and provide technical guidance to other team members., * Develop and maintain front-end and back-end application components * Implement business logic, responsive user interfaces, APIs, and database integrations * Design and secure RESTful APIs and web services * Apply security best practices for validation, authentication, authorization, storage, logging, and monitoring * Perform unit and integration testing, debugging, and production troubleshooting * Deploy and manage applications using cloud platforms, CI/CD pipelines, Docker, and Kubernetes * Monitor application stability and performance across lower environments * Perform code reviews, mentoring, technical onboarding, and skills assessment * Collaborate with QA teams and participate in requirements refinement and estimation * Maintain technical documentation and high code-quality standards