Sr. Full Stack Java Developer

Applied Information Sciences, Inc; Washington (District of Columbia); On-site; USD 117,000 - 177,000; Full time

Benefits offered by this job

Employee Stock Ownership Plan (ESOP)

Competitive Salaries

Health Insurance

401(k) Retirement Plan with match

Parental Leave

Tuition Reimbursement & Learning Allow

Job summary

Applied Information Sciences, Inc. seeks a Sr. Full Stack Java Developer to join an agile team. You will design and implement back-end APIs with Java/Spring Boot and build responsive UIs with React, while optimizing PostgreSQL schemas for scale.

Responsibilities include leading cross-functional delivery, ensuring security and 508 accessibility, and driving CI/CD adoption. Top-Secret clearance and 7+ years' experience required.

Qualifications

• Active Top-Secret Clearance required.
• Bachelor’s or Master’s degree in Computer Science or related field.
• Strong UI design skills with React, JavaScript and CSS.
• Experience delivering large-scale enterprise applications from concept to deployment.
• Proficient in Java, Spring, Hibernate, PostgreSQL, RESTful APIs, Maven, Git/GitLab.
• AWS (S3, EC2, ECS, Aurora), Kubernetes, Docker, CI/CD experience.

Responsibilities

• Provide full-stack design and development using Java, Spring MVC, Spring Security, Spring Boot, React, PostgreSQL.
• Build modern UI components and ensure scalable database schemas.
• Develop and maintain secure RESTful APIs and data migrations.
• Manage deployments, version control, and CI/CD pipelines.
• Collaborate with stakeholders, support agile ceremonies, and ensure accessibility and security.

Skills

React

Java

Spring Boot

PostgreSQL

RESTful APIs

AWS

Kubernetes

Docker

CI/CD

Git/GitLab

Education

Bachelor’s or Master’s in Computer Science

Tools

Spring Framework

Hibernate

Maven

Jira/Confluence

Job description

Why AIS? When you join AIS, you’re joining a mission-driven team that’s passionate about making a difference. You’ll work on projects that matter, alongside industry-leading experts, in an environment that fosters innovation, driving client success, and empowering our team to make a lasting impact. As an employee-owned company, we value collaboration, inclusivity, continuous growth, and shared success. Employee Ownership: Your contributions directly impact the company’s success, and you share in its achievements. Continuous Learning: Access to resources, training, and mentorship to support your professional growth. Inclusive Culture: A workplace where diversity is celebrated, and everyone’s voice is valued. Mission-Driven Work: Engage in projects that make a meaningful difference for our clients and communities.

What are we looking for? At AIS, we're looking for more than just skills - we're looking for driven individuals who are passionate about making a difference, eager to grow, and aligned with our core principles.

Working@AIS At AIS, we are dedicated to providing our employees with diverse opportunities to grow their careers while supporting a variety of impactful projects. For this position, we are seeking a talented individual to join AIS as a Lead Software Engineer.

Core Knowledge & Skills: Operates independently or as a team lead, selects appropriate persistence technologies (e.g., EF, Dapper), defines source control strategies, and designs subsystem infrastructure.

Work & Complexity: Tackles complex problems with thorough analysis, manages cross-functional delivery, and improves system reliability and scalability.

Quality & Independence: Consistently meets deadlines even under challenging conditions, enforces standards through detailed reviews, and establishes productivity benchmarks for the team.

Teamwork & Communication: Provides functional leadership by setting objectives, organizing resources, resolving conflicts, and engaging confidently with both internal and external stakeholders.

Consulting & Engagement: Troubleshoots advanced client issues, supports requirements gathering, and contributes to vendor presentations or proposal activities.

As your initial project assignment, you will support the unique needs of our client as a Sr. Full Stack Java Developer. The Full Stack Developer will be a part of an agile software development team and integral in performing software development, O&M support, and adhere to agilemethodologyand scrum ceremonies.

This role will design and implement backed APIs using Java and Spring Boot,design andbuild secure and responsive UIsusingReact, and develop optimized PostgreSQL schemas and queries. The ideal candidate will havedemonstratedstrong verbal and written skills, experiences with the technology and business tools listed below, and willhave proven experience delivering large-scale enterprise applications fromconcept through deployment.

Key Responsibilities

• Providefull-stack design and developmentsupportusing Java, SpringModel View Controller (MVC)Framework/SpringSecurity/Spring Boot, React, and PostgreSQL.
• Design and implement modern UI components using React, Typescript/JavaScript, and reusable design patterns.
• Implement normalized PostgreSQL schemas and entity relationships supporting system scalability.
• Develop andmaintainsecure RESTful APIs for data access and integration.
• Supportand document data migration efforts, ensuring integrity and consistency between legacy and new systems.
• Plan and execute application deployments, version control, and CI/CD pipelines.
• Assistin supporting all aspects of the project to include all phases of life cycle development.
• Ensure compliance with 508 accessibility, enterprise security practices, and other practices as needed.

Required For This Opportunity: Active Top-Secret Clearance and a minimum of 7+years of experience is required. (Interim Top Secret will not be accepter) Computer Science background w/ degree (Bachelor’s or Master's) in field. Must have strong User Interface (UI)design anddeveloping skills using React, JavaScript, and CSS. Must have strong development experiencerequiredin the following technologies/areas: Java, Spring Framework/Security6+, Spring Boot3+, Hibernate6+, SQL/PLSQL, PostgreSQL,RESTful APIs, Maven build tool, and Git/GitLab. Must have experience with database design and data migrationAdditionalexperiencerequiredin the following technologies/areas: AWS (S3, EC2, ECS, Aurora, CloudWatch),Keycloak, Kubernetes, Maven, and Docker Experience with Agile and Scrum and Kanban frameworks/methodologies. Experience with Atlassian tools to include Jira and Confluence. Experience with Continuous Integration/Continuous Delivery (CI/CD) tools and automation.

Nice to Have Skills

• Exceptional analytical and conceptual thinking skills.
• Excellent documentation skills.
• Excellent planning, organizational, and time management skills.
• Self-motivated with strong initiativetohelpteamgrow.

At AIS, we are committed to offering competitive and fair compensation that reflects the skills, experience, and contributions of each team member. The targeted base salary rangefor this role is $117,000-$177,000 per year. Please note that this rangeisprovided asaguideline and the final offer will be based on several factors, including but not limited to, skillset and competencies, level of experience, educationandcertificationsandlocation. We value transparency in our hiringprocess andarehappytodiscushowyour uniquequalificationsalignwithour compensation structureduringthe interview process.

AppliedInformationSciencesdoesnotdiscriminateonthebasisofrace, nationalorigin, religion, color, gender, sexual orientation, age, disability, protected veteran status, or any other basis. Employment decisions are based solely on qualifications, merit, and business needs. If you're committed to curiosity, life-long learning, and passionate about technology – AIS is the place for you. Learn more at ais.com.

We provide benefits that invest in your health and future. Someofouremployeefavorites: Competitive Salaries Qualified Overtime Paid Time Off (PTO) Flexible Holiday Leave (88 hours per year) Parental Leave Immediate Healthcare: Medical, Dental, Vision, and Life Insurance Employee Stock Ownership Plan (ESOP) 401(k) Retirement Plan (5% match on base compensation, immediate 100% vesting) Tuition Reimbursement & Learning Allowance Referral Bonus Program (up to $5k)