Part Time Java Spring Developer Jobs in St Louis, MO

API Engineer
The Opportunity:
We are seeking an experienced API Platform Engineer to design, develop, and support enterprise-scale API platforms that enable secure, reliable, and high-performance integration across mission-critical applications and services. The ideal candidate will possess strong back-end engineering expertise, experience operating cloud-native API gateways, and a solid understanding of DevOps and Kubernetes-based deployments. This role requires close collaboration with clients, architects, developers, and operations teams to deliver scalable API solutions that support modern digital transformation initiatives.
Join us. The world can't wait
You Have:

• Experience in back-end or platform engineering, including distributed systems and API design, and software development using Java or Python
• Experience designing, deploying, and operating real-time, low-latency API platforms at scale such as Apigee, Gravitee, Kong, AWS API Gateway, or MuleSoft
• Experience with DevOps practices and technologies, including Docker, Helm, Kubernetes, and GitOps workflows
• Experience with caching, load balancing, API security, and protocols, including HTTP, gRPC, or WebSockets
• Experience with AWS, Azure, or GCP
• Experience with Git and collaboration tools, including Jenkins, Jira, Confluence, Nexus, or Bitbucket
• Experience gathering requirements and engaging with clients
• Secret clearance
• HS diploma or GED
• Ability to obtain a Security+ Certification within 30 days of hire date

Nice If You Have:

• Experience with SQL, Server-Side Development, Middleware, Application or Data Integration, API Development, Core Application Systems, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring-Boot, or Spring Data
• Experience using a message broker such as Kafka or RabbitMQ
• Bachelor's degree in IT, Cybersecurity, or a related field
• DoD 8140 Certification

Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Secret clearance is required.
Compensation
At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.
Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date.
Identity Statement
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.
Candidate AI Usage Policy
AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.
Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
• Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.
• Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.