> Markdown version of [/jobs/ext/2521441-sr-software-engineer-java-apis-night-shift](https://www.wearedevelopers.com/jobs/ext/2521441-sr-software-engineer-java-apis-night-shift). 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). --- # Sr Software Engineer - Java & APIs (Night Shift) - **Company:** System One - **Location:** Reston, VA, United States (Remote available) - **Experience:** Expert - **Salary:** $164,320.0 - **Contract:** Temporary to permanent - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Unit Testing, Microsoft Azure, Big Data, Cascading Style Sheets (CSS), Cloud Computing, Software Quality, Continuous Integration, Database Design, Enterprise JavaBeans, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Apache Maven, Model View Controller (MVC), OAuth, Software Engineering, SQL Databases, Web Services, ReactJS, System Availability, Spring-boot, Software Troubleshooting, AngularJS, Production Code, Api Management, Jenkins, Ci Server - **Published:** August 6, 2026 - **Apply:** https://dejobs.org/x/x/D60C2C0B7ACA49FE9A39237FD8853D7D/job/ ## About the Role * 5 or more years of software engineering experience * Strong Java development experience (Java JEE, Spring ecosystem) * Experience building and supporting REST APIs or web services * Production support experience (this is critical) * Experience with: * Spring Boot, MVC, Integration * Hibernate or similar ORM frameworks * SQL and database design * CI CD tools (Jenkins, Maven, etc.) * Front end basics: HTML, JavaScript, CSS * Strong troubleshooting and problem solving skills * Ability to work independently during overnight shifts Nice to Have * API Management (APIM) experience * Experience with Angular or React * Knowledge of OAuth2, SSO, or security frameworks * Experience with cloud platforms (AWS or Azure) * Exposure to Big Data technologies What Sets You Apart * You write clean, efficient, production ready code * You stay calm under pressure and can resolve critical issues quickly * You are comfortable owning systems end to end * You proactively identify improvements and drive them forward Reality of the Role (No Surprises) ## Description * Night shift role (final schedule assigned after onboarding) * Rotating weekend coverage required * Onsite interview required * 2 to 3 weeks onsite training required This is a hands on engineering plus production support role supporting high visibility, mission critical systems., We are looking for a Senior Software Engineer with strong Java, API, and production support experience to build, maintain, and support enterprise scale applications used by tens of thousands of users. This role is ideal for engineers who: * Thrive in high impact, fast response environments * Enjoy solving complex production issues * Can balance development plus operational support * Are comfortable working independently during overnight hours What You Will Do * Design, build, and enhance enterprise Java applications and APIs * Troubleshoot and resolve critical production issues in real time * Develop and execute unit tests and automated test cases * Support and improve system performance, reliability, and scalability * Work across teams to deliver high availability systems at scale * Contribute to architecture decisions and system design * Maintain and improve CI CD pipelines, code quality, and deployment processes * Mentor junior engineers and contribute to team best practices What You Bring (Required) ## Related Videos - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [The Road to MLOps: How Verivox Transitioned to AWS](https://www.wearedevelopers.com/videos/1050-the-road-to-mlops-how-verivox-transitioned-to-aws) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Our GitOps approach for deploying an Identity Provider and an API Gateway in a SaaS company](https://www.wearedevelopers.com/videos/776-our-gitops-approach-for-deploying-an-identity-provider-and-an-api-gateway-in-a-saas-company) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How Much Does a Software Engineer Make? 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