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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Full Stack Developer - **Company:** Realign Llc - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $145,600.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Application Performance Management, Automation of Tests, Batch Processing, Code Review, Databases, Continuous Integration, Extract Transform Load (ETL), Database Queries, DevOps, Amazon DynamoDB, Identity and Access Management, Java Database Connectivity, Java Persistence API, PostgreSQL, OAuth, Object-Oriented Software Development, Performance Tuning, Cloud Services, Standard Sql, Software Engineering, SQL Databases, Systems Integration, Data Processing, Spring Cloud, Spring-mvc, Delivery Pipeline, Concurrency, Spring-boot, State Machines, AWS Lambda, Indexer, Cloudformation, AWS Fargate, Enterprise Integration, Functional Programming, Cloudwatch, Api Gateway, Restful APIs, Data Pipelines, Spring Batch, Serverless Computing, Microservices - **Published:** September 7, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=eea810b05366ae21 ## About the Role We are seeking a highly experienced Senior Java Full Stack Developer with 12+ years of hands-on experience in Java development, Spring Boot, Spring Batch, microservices, REST APIs, SQL/PostgreSQL, and AWS cloud services. The ideal candidate will have strong experience designing, developing, and owning high-throughput Java/Spring Boot microservices, enterprise integration workflows, batch processing pipelines, and cloud-native applications. The candidate should also be comfortable working across development, production readiness, CI/CD, security, monitoring, and troubleshooting. Must-Have Technical Skills * 10+ years of hands-on Java development * 12+ years of overall software development experience preferred * Strong expertise in Java, OOP, Collections, Concurrency, and Clean Code * Deep hands-on experience with Spring Boot * Strong experience with Spring Batch * Experience with Spring Batch Jobs, Steps, Readers, Processors, Writers, Chunking, Partitioning, and Recovery * Strong experience developing RESTful APIs using Spring MVC/WebFlux * Experience building and consuming secure and resilient REST integrations * Strong knowledge of OAuth2 client-credentials authentication * Experience implementing API retries, timeout strategies, and resilient integration patterns * Strong SQL and PostgreSQL experience * Experience with complex queries, indexing, transactions, and performance tuning * Strong experience with Spring Data JPA and JDBC Template * Hands-on experience with AWS cloud services * Strong experience with CI/CD and cloud-native application development ## Description * Design, develop, and maintain high-throughput Java/Spring Boot microservices for enterprise integration and inbound data processing. * Design and implement Spring Batch jobs and end-to-end data processing pipelines. * Develop secure and scalable REST APIs and integrations using Spring Boot and AWS API Gateway/Lambda. * Implement OAuth2 client-credentials authentication and secure service-to-service communication. * Develop resilient integrations with appropriate retry mechanisms, timeout strategies, exception handling, and observability. * Build file/API-to-database synchronization processes. * Design and develop cloud-native applications using AWS services including EC2, S3, Lambda, ECS, EKS, Fargate, and DynamoDB. * Develop and maintain serverless architectures using AWS Lambda, API Gateway, CloudFormation, and Step Functions. * Develop and maintain CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy. * Implement automated testing and deployment processes. * Design and maintain AWS infrastructure and cloud deployment configurations. * Monitor, troubleshoot, and optimize application performance using CloudWatch and X-Ray. * Implement AWS security best practices using IAM, KMS, and CloudTrail. * Develop backup and disaster recovery solutions using AWS services such as S3 and EBS. * Optimize SQL queries, database transactions, indexing, and ETL-style workloads in PostgreSQL. * Ensure applications are production-ready, scalable, secure, and highly available. * Collaborate with QA, DevOps, Product, Data, and other cross-functional teams. * Participate in architecture discussions and provide technical guidance. * Mentor junior and mid-level engineers through code reviews, design reviews, and engineering best practices. ## Related Videos - [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) - [Shifting Stress to Progress— Understanding DevOps to do DevOps Better](https://www.wearedevelopers.com/videos/268-shifting-stress-to-progress-understanding-devops-to-do-devops-better) - [Dynamic Entities in .NET: Building Low-Code Systems on Top of Entity Framework Core](https://www.wearedevelopers.com/videos/100218-dynamic-entities-in-net-building-low-code-systems-on-top-of-entity-framework-core) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026)