API Spring Developer
Maryland Heights, MO
Category: Development
Industry: Communications
Standard Hours: Open
Reference ID: JN -092026-108603
Date Posted: 09/14/2026
Shortcut: http://careers.eliassen.com/gSKYJX
Description:
Hybrid 4 onsite in Maryland Heights, MO
Our client is hiring API Spring Developers to build backend services and integrations that enable AI agents to interact with enterprise systems for a high-priority Agentic AI initiative. The role centers on hands-on Spring and Java development to deliver secure, reliable REST APIs and backend capabilities that support personalized, context-aware customer interactions.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $50.00 to $60.00/hr. w2
Responsibilities:
- Design and develop backend services and REST APIs using Spring and Java.
- Implement integrations with downstream and enterprise systems to provide customer context for AI agents.
- Apply platform standards and patterns for service development and deployment.
- Participate in peer reviews and code reviews to ensure code quality.
- Collaborate within a development team and contribute to modern CI/CD practices.
- Write and maintain unit tests to ensure reliability and maintainability.
- Mentor less experienced developers.
Experience Requirements:
- Strong, hands-on Spring and Spring Boot development experience.
- Strong Java background with object-oriented programming expertise.
- Experience building REST APIs and backend integrations.
- Experience in an enterprise development environment.
- Proficiency with unit testing, Git, and Maven.
- Experience with CI/CD and modern development practices.
- Nice to have: Agentic AI or Generative AI exposure, microservices, MongoDB, enterprise integrations.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
-
Sr. Software Engineer – BPM Developer
Westlake, TX
Description: Hybrid Every Other Week onsite / 5 days in Westlake, TX Our client is seeking a Senior Software Engineer specializing in Camunda BPM and workflow automation to design, develop, and support business process automation that modernizes Workpl...
Date Posted: 09/09/2026 Recommended
-
Lead Java Developer
McLean, VA
Description: Hybrid 3 days onsite in McLean, VA Our client seeks a Lead Java Developer to build and enhance backend services for a business application. The role will focus on Java and Spring Boot services running on AWS with components such as Lambda ...
Date Posted: 08/20/2026 Recommended
-
AI Engineer
Anywhere
Description: Remote Our client is modernizing its platform with AI-native capabilities. You will be the second engineer in a two-person enablement pod, embedded with solution teams to co-build LLM-powered features and transfer knowledge. You will partn...
Date Posted: 09/15/2026 Recommended
-
Backend Engineer
Anywhere
Description: Remote Our client seeks a Backend Engineer with 1 to 4 years of experience to develop and maintain server-side applications and services. The role requires proficiency in Java, Spring, and AWS. The engineer will build scalable APIs, integr...
Date Posted: 09/02/2026 Recommended
-
Staff (Lead) Software Engineer
Burbank, CA
Description: Hybrid 4 Days a week on-site in Burbank, CA Our client seeks a Staff (Lead) Software Engineer to build the next generation of intelligent infrastructure for the Studio Digital Supply Chain. The role blends backend engineering, workflow, an...
Date Posted: 09/06/2026 Recommended
-
Full Stack Java Developer (VP)
New York, NY
Description: Hybrid 4 days onsite in New York, NY Our client is seeking a Senior Full Stack Java Developer (VP Level) to join a high-performing Equities Engineering team responsible for modernizing a global trading platform used across capital markets....
Date Posted: 09/11/2026 Recommended
-
Senior Software Engineer – Ad Intelligence Data Platform
Seattle, WA
Description: Hybrid 4 Days a week on-site in either Seattle, WA or Glendale, CA or New York City, NY or Bristol, CT Our client has an opportunity for a Senior Software Engineer – Ad Intelligence Data Platform on a 12+ month contract. The role joins the...
Date Posted: 08/21/2026 Recommended
-
Full Stack Engineer
Englewood, CO
Description: Hybrid 4 onsite / 1 work from home in Englewood, CO Our client seeks a Full Stack Engineer to design, build, and enhance scalable video delivery platforms and applications for streaming and media experiences. The role spans backend service...
Date Posted: 09/13/2026 Recommended
-
Fullstack Software Engineer IV
Charlotte, NC
Description: Hybrid Charlotte, NC Our client seeks a Backend-focused Fullstack Software Engineer to accelerate delivery within the Emerging Digital organization. The role will support the ACE workflow application, which relies on Temporal workflows and...
Date Posted: 08/24/2026 Recommended
-
Full Stack Engineer
Pittsburgh, PA
Description: Hybrid 4 days onsite in Pittsburgh, PA Our client seeks a Full Stack Engineer to modernize and support a portfolio of Java-based applications. The role requires end-to-end ownership across requirements, development, testing, deployment, an...
Date Posted: 08/24/2026 Recommended
-
Lead Software Engineer
Woodbridge Township, NJ
Description: On-site 4 days onsite in Woodbridge Township, NJ Our client seeks a Lead Software Engineer to own and lead a critical enterprise application in the insurance domain. The role requires leadership, application ownership, and hands-on develop...
Date Posted: 09/17/2026 Recommended
-
AI Software Engineer
Anywhere
Description: On-site in Cincinnati, OH Our client seeks an AI Software Engineer to design and deliver guardrail components across services and define enforcement within systems. The role will architect backend services, APIs, and integrations that gove...
Date Posted: 09/01/2026 Recommended
-
Principal Full Stack Engineer
Salem, NH
Description: On-site Every Other Week onsite / 5 days in either Physical Location or Salem, NH Our client seeks a Principal Full Stack Engineer to design and deliver modern web applications and the CI/CD automation that ships them. The role emphasizes ...
Date Posted: 09/15/2026 Recommended
-
ServiceNow Developer - Discovery and Integrations
Anywhere
Description: Remote Our client seeks an experienced ServiceNow Developer focused on Discovery and Integrations to support the Department of Transportation. The role will design and support the Service Management System, lead integrations, and deliver n...
Date Posted: 08/31/2026 Recommended
-
ServiceNow IRM/GRC Developer
Rockville, MD
Description: Hybrid 3 days onsite / 2 days remote in either Rockville, MD or Tysons Corner, VA Our client seeks a ServiceNow technical leader to develop, administer, and ensure quality across the enterprise ServiceNow platform. The role translates comp...
Date Posted: 08/21/2026 Recommended
-
Software Engineer Developer
Smithfield, RI
Description: Hybrid Every Other Week onsite / 5 days in Smithfield, RI Our client seeks a Software Engineer to build and maintain digital platforms that support Defined Contribution plan administration. The role requires hands-on full-stack development...
Date Posted: 09/16/2026 Recommended
-
Senior Full-Stack Engineer
Rockville, MD
Description: Hybrid 3 days onsite / 2 days remote in Rockville, MD Our client seeks a Senior Full-Stack Engineer to design and deliver Angular micro-frontends and Java Spring Boot services for regulatory form filing. The role will emphasize schema-driv...
Date Posted: 09/10/2026 Recommended
-
ServiceNow Developer
Charlotte, NC
Description: Hybrid 4/1 in Charlotte, NC Our client seeks a Senior ServiceNow developer to design, develop, and support custom ServiceNow solutions across HRSD, ITSM, and enterprise integrations. The role focuses on workflow automation in the HR domain...
Date Posted: 09/01/2026 Recommended
-
Sr Integration Developer
4100 Coca Cola Plaza
Description: On-site 4/1 in Charlotte, NC Our client is seeking a Senior Integration Developer to design and deliver enterprise data integrations, ETL pipelines, and API-based solutions supporting Sales, Service, and Distribution. The role emphasizes S...
Date Posted: 09/09/2026 Recommended
-
Full Stack Software Engineer - API Platform Engineering
Greenwood Village, CO
Description: Hybrid 4 days onsite, 1 remote in Greenwood Village, CO Our client seeks a Full Stack Software Engineer to build and operate a modern API platform. The team treats APIs as products with clear contracts, observability, documentation, and ow...
Date Posted: 08/24/2026 Recommended
-
Senior Software Engineer
St. Louis, MO
Description: Hybrid 4 days in office in St. Louis, MO Our client seeks a hands-on Senior Software Engineer to modernize and maintain a mission-critical enterprise application in AWS GovCloud. The role focuses on practical engineering, reliability, and ...
Date Posted: 09/17/2026 Recommended
-
Principal Software Engineer
Los Angeles, CA
Description: On-site in Los Angeles, CA Our client seeks a Principal Software Engineer to lead backend services and APIs for a payment processing platform supporting prominent technology partners. The role will drive technical leadership across release...
Date Posted: 09/07/2026 Recommended
-
Sr Test Development Engineer
Anywhere
Description: Remote Our client seeks a Sr Test Development Engineer to lead and build end-to-end automated tests for integrated software and firmware within CGM systems. The role will design, develop, execute, and maintain automated test solutions, inc...
Date Posted: 09/03/2026 Recommended
-
Senior Java Developer
Boston, MA
Description: On-site 4 days onsite in Boston, MA Our client seeks a Senior Java Developer to build a new cloud-based application. The consultant will design and develop services and APIs using Java, Spring Boot, and microservices on AWS. The role requi...
Date Posted: 08/22/2026 Recommended
-
Principal BI Analyst
Durham, NC
Description: Hybrid in Durham, NC Our client seeks a Principal BI Analyst to design and deliver an executive value stream dashboard that provides actionable visibility into revenue drivers. The consultant will partner with data, analytics, and business...
Date Posted: 09/14/2026 Recommended
-
Lead Technical Program Manager
Santa Monica, CA
Description: Hybrid 4 Days a week on-site in Santa Monica, CA Our client seeks a Lead Technical Program Manager to drive commerce partnerships and integrations across direct-to-consumer products and subscription experiences. The role will lead cross-fu...
Date Posted: 09/04/2026 Recommended
-
Adobe Architect
Anywhere
Description: Remote Our client seeks an Adobe Architect to own architecture, standards, and delivery across Adobe Experience Cloud and the broader MarTech ecosystem. The role requires hands-on leadership to architect enterprise solutions, review implem...
Date Posted: 08/30/2026 Recommended
-
Full Stack Engineer
Anywhere
Description: Remote Our client seeks a Full Stack Engineer to develop and maintain websites and digital products, including modern websites. The engineer will contribute across the stack, partner with cross-functional teams, and support continuous impr...
Date Posted: 09/17/2026 Recommended
-
Tech Lead/Solutions Architect
Anywhere
Description: Remote Our client seeks a hands-on Tech Lead with strong Architecture capabilities to bridge Finance, Accounting, IT, and Development. The role combines technical leadership, hands-on development, finance systems expertise, and stakeholder...
Date Posted: 09/09/2026 Recommended
-
Senior Angular Developer
Charlotte, NC
Description: Hybrid 3 days on-site in Charlotte, NC Our client seeks a Senior Angular Developer to lead a greenfield application build. The developer will translate complex business requirements into a performant, accessible, and brand-compliant user i...
Date Posted: 09/13/2026 Recommended
Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above