Lead Java Full Stack Developer

ASSYST, Inc. • Washington, DC

6d

About The Position

ASSYST is seeking a highly experienced and motivated Lead Java Full Stack Developer to join our client's dynamic engineering team in Washington D.C.

The candidate shall lead a team of talented developers in designing, building, and deploying enterprise-scale applications using a modern Java and Angular technology stack. The candidate will take complete ownership of the end-to-end project lifecycle, from architectural design to post-release support, while mentoring the team and driving technical excellence. The ideal candidate is a hands-on leader with a passion for building robust, scalable software and fostering a collaborative Agile environment.

Requirements

• 10+ years of professional software development experience.
• Proven track record as a Technical Lead or Team Lead, successfully delivering complex, enterprise-grade applications.
• Deep expertise in Java (8/11/17) and the Spring Boot ecosystem (Spring MVC, Spring Data JPA, Spring Security).
• Strong, hands-on experience designing and building RESTful APIs and microservices architecture.
• Proficiency with messaging systems like Kafka or RabbitMQ.
• In-depth knowledge of scalability, performance tuning, and distributed systems.
• Proficiency in modern Angular (12+), TypeScript, RxJS, and state management with NgRx.
• Demonstrated experience building modular, scalable, and responsive Single-Page Applications (SPAs).
• Strong understanding of UI/UX best practices and experience with modern component libraries.
• Advanced skills in RDBMS (PostgreSQL, Oracle, MySQL), including complex SQL and database optimization.
• Experience with ORM frameworks like Hibernate and JPA.
• Familiarity with NoSQL databases (MongoDB, Redis) for high-performance scenarios.
• Hands-on experience implementing and managing CI/CD pipelines using Jenkins, GitLab, GitHub Actions, or Azure DevOps.
• Expertise in containerization with Docker and orchestration with Kubernetes.
• Practical experience with a major cloud platform (AWS, Azure, or GCP), including deployment, scaling, and monitoring.
• Familiarity with logging and monitoring stacks like ELK, Prometheus, Grafana, or Datadog.
• Strong advocate for Test-Driven Development (TDD) and BDD methodologies.
• Proficient with unit/integration testing frameworks (JUnit, Mockito, Testcontainers) and frontend testing tools (Jasmine/Karma, Cypress).

Responsibilities

• Team Leadership & Mentorship: Lead, guide, and mentor a team of 5-10+ software engineers, fostering a culture of technical excellence, collaboration, and continuous improvement.
• Technical Ownership: Drive the architectural design and hands-on development of complex, scalable full-stack applications using the Spring Boot and Angular frameworks.
• End-to-End Delivery: Own the entire software development lifecycle, including requirements analysis, solution design, development, testing, CI/CD, deployment, and monitoring.
• Agile Practice Leadership: Champion and actively participate in all Agile/Scrum ceremonies, facilitate the breakdown of epics into user stories, and collaborate closely with Product Owners and Scrum Masters to ensure sprint goals are met.
• Code Quality & Best Practices: Enforce software development best practices through rigorous code reviews, advocating for TDD/BDD, and maintaining high standards of code quality using tools like SonarQube.
• Stakeholder Collaboration: Serve as a key technical point of contact, effectively communicating with cross-functional teams, stakeholders, and management to ensure alignment and manage project delivery under tight deadlines.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed