Senior Full Stack Java Developer Jobs in Indianapolis, IN

CSCI is seeking a Java Developer to join our high-impact team modernizing a critical Department of War (DoW) business system. This multi-year initiative is focused on consolidating and upgrading legacy applications into a cloud-native, secure, and efficient platform that supports millions of military retirees and beneficiaries. As a key contributor, you will help transform aging systems into a modern, resilient architecture using cutting-edge development practices.

• Lead and contribute to the migration of legacy COBOL applications to Java-based microservices
• Translate business and technical requirements into scalable, maintainable, and secure software solutions
• Develop backend solutions using Java (Spring, Hibernate) and frontend with React, Angular, or similar
• Identify optimization opportunities for legacy application returning to Azure-based environments
• Design, develop, test, and deploy full stack solutions in Azure Cloud
• Collaborate with cross-functional teams to ensure seamless integration and performance
• Build secure, scalable RESTful APIs for cloud integration
• Ensure compliance with DoD cybersecurity and software development standards
• Document system architecture, codebase, and migration processes
• Participate in Agile ceremonies and contribute to sprint planning and retrospectives

• Must have a DoD Secret clearance
• Bachelor's degree in computer science, Engineering, or related field
• 5+ years of experience in full stack development (e.g. Java, Python, HTML, CSS, Java Script, Maven RabbitMQ etc.) and related frameworks
• Strong proficiency in Java (Spring Boot, REST APIs) and associated message services
• Strong understanding of software design patterns, architecture principles, and SDLC methodologies
• Strong skills in writing complex SQL queries for data manipulation and reporting with experience in Oracle and SQL Server database
• Hands-on experience with Azure services (App Services, Functions, Key Vault, etc.)
• Familiarity with front-end technologies (Angular, React, or similar)
• Experience with relational databases (Oracle, SQL Server, PostgreSQL)
• Creativity and adaptability in problem-solving
• Ability to work with clients to understand their needs
• Strong organizational and time-management skills
• Excellent written and verbal communication skills
• Professional presence

• Experience in government or defense-related software projects
• Experience with Defense Business Systems
• Familiarity with Strangler pattern
• Familiarity with DoD STIGs and RMF compliance
• Knowledge of DevSecOps practices and tools (Azure DevOps, Git, SonarQube)
• Experience with containerization (Docker, Kubernetes)
• Knowledge of security standards and performance optimization techniques.
• Azure certification (Azure Developer Associate, Azure Solutions Architect, etc.).
• Knowledge of Event-Driven architecture and messaging systems (e.g., Azure Service Bus, Kafka).
• Exposure to automated testing frameworks and performance tuning
• Knowledge on Implementation of CI/CD pipelines using Azure DevOps / Set up and manage Azure Pipelines for automated deployment
• Experience with COBOL and understanding of legacy mainframe systems
• Knowledge of caching mechanisms -Redis, KeyDB
• Ability to work in a team environment, as well as independently
• Strong customer and vendor relationship skills
• Demonstrated ability to comply with data standards and policies
• Motivation to learn new technologies and methodologies that demonstrate value
• Past experience working with a federal agency
• Department of War experience is a plus!

CSCI is an award-winning information technology and financial management consulting firm founded on one simple philosophy: "Do what is right, always." We apply this philosophy across all elements of our growing business, from delivering world-class services for customers to providing an environment where associates thrive both personally and professionally. At CSCI, work and fun aren't diametrically opposed!

At CSCI, our goal is to hire people with proven track records and retain them with an energizing, diverse company culture. We value each associate's natural drive to excel, and we provide them with the freedom to do things their way. CSCI seeks the best and brightest in the industry-those who are ready to move their lives and career forward. Join us today and get excited about Mondays again!

• Competitive salaries
• Generous Paid Time Off (PTO) package
• Paid holidays aligned to the Federal calendar
• Full health benefits including medical, dental, vision, and life insurance
• 401(k) retirement plan
• Team building events
• Professional development support

CSCI complies with all applicable Federal, state, and local employment regulations. Please reach out to HR@csciconsulting.com with any questions.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. CSCI provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.

If you require an accommodation, please contact CSCI Human Resources for further assistance. For questions regarding the qualifications listed above, please contact the CSCI Recruiting Team.

CSCI participates in E-Verify to confirm the employment eligibility of all newly hired employees. For more information, please visitwww.dhs.gov/E-Verify.

As part of the application and recruitment process, CSCI Consulting, Inc. may collect personal information as described under the California Consumer Privacy Act (CCPA).

This information is collected solely for employment-related purposes, including evaluating your qualifications, processing your application, and complying with legal obligations.

By applying to this position, you acknowledge that you have read and understand the following notice regarding the collection of your personal information as a job applicant:

• Categories of Information Collected: Personal identifiers, employment history, educational information, and any other information provided in your application or as part of the interview process.
• Purposes for Collecting Information: To review your application, assess your qualifications, and manage the hiring process.
• Retention and Security: Information collected will be retained indefinitely and will be securely stored and handled in accordance with CCPA guidelines and CSCI Consulting, Inc. policies.
• Rights of Applicants: Under CCPA, California residents have the right to request information about the personal data we collect, delete it, and request restrictions on certain uses. However, some information may be retained as required by law.

For further information, or to exercise your rights under the CCPA, please contact CSCI's HR team.

The above declarations are not intended to be an all-inclusive list of the duties and responsibilities of the job described, nor are they intended to be such a listing of the skills and abilities required to do the job. Rather, they are intended only to describe the general nature of the job.