Jobs in the United States

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Electro-Optical Engineer Staff
Lockheed Martin
Louisville, CO · Louisville
Lockheed Martin Space is seeking an Electro-Optical Systems Engineer Staff to join the Optical Systems Engineering team! We are looking for a highly motivated Electro-Optical Systems…
Added just now
Electro-Optical Engineer Staff
Lockheed Martin
Sunnyvale, CA · Sunnyvale
Lockheed Martin Space is seeking an Electro-Optical Systems Engineer Staff to join the Optical Systems Engineering team! We are looking for a highly motivated Electro-Optical Systems…
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ASIC & FPGA Design Engineer Sr - E3
Lockheed Martin
Liverpool, NY · Liverpool
Lockheed Martin Rotary and Mission Systems (RMS) in Syracuse, NY is seeking a full-time Mid Career Firmware Engineer (FPGA Design). In this role, you will support design and architecture…
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Systems Engineer Stf - E4
Lockheed Martin
Orlando, FL · Orlando
…risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test,…
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Engineering Tech
Lockheed Martin
Moorestown, NJ · Moorestown
…team solving these complex problems, then Rotary and Mission Systems is the place for…
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Project Engineer Stf - E4
Lockheed Martin
Patuxent River, MD · MD
…Patuxent River, MD (NAS PAX) is seeking an experienced Project Engineer to support EVMS and Business Management activities at the test site. The candidate will be a Control Account Manager…
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Systems Engineer Staff - E4
Lockheed Martin
Littleton, CO · Littleton
As a Systems Flight Hardware/Software Integration Engineer, your responsibilities will include, but are not limited to, the following:
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Electro-Optical Engineer Senior Staff
Lockheed Martin
Sunnyvale, CA · Sunnyvale
Lockheed Martin Space is seeking a Electro-Optical Engineer Senior Staff to join the Optical Talent Center.
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Systems Engineer, Reliability and Maintainability - Level 3
Lockheed Martin
Marietta, GA · Marietta
We are seeking a Level 3 Maintainability Engineer to support the design, development, verification, and sustainment of complex aerospace systems. In this role, you will apply…
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Cyber Systems Security Engineering Stf - E4
Lockheed Martin
King of Prussia, PA · King of Prussia
We are seeking a highly motivated Cyber Systems Security Engineer Staff to support the design, implementation, hardening, and sustainment of secure mission systems and IRAD environments.…
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Quality Engineer - E2
Lockheed Martin
Pinellas Park, FL · Pinellas Park
…and/or are compliant with requirements. Develops strategies and systems designed to improve internal and/or supplier performance and productivity. Evaluates quality systems for deficiency…
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Systems Engineer Senior - E3
Lockheed Martin
Littleton, CO · Littleton
As a Systems Flight Hardware/Software Integration Engineer, your responsibilities will include, but are not limited to, the following:
Added just now
Cyber Systems Security Engineering Sr - E3
Lockheed Martin
King of Prussia, PA · King of Prussia
We are seeking a highly motivated Cyber Systems Security Engineer Sr to support the design, implementation, hardening, and sustainment of secure mission systems and IRAD environments. This…
Added just now
Quality Engineer Sr - E3
Lockheed Martin
Pinellas Park, FL · Pinellas Park
…and/or are compliant with requirements. Develops strategies and systems designed to improve internal and/or supplier performance and productivity. Evaluates quality systems for deficiency…
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Embedded Software Engineer Intern - Summer 2027
Lockheed Martin
Huntsville, AL · Sunnyvale, CA · Littleton, CO · Huntsville · Sunnyvale · Littleton
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Systems Engineer Staff - E4
Lockheed Martin
Littleton, CO · Littleton
As the Systems Test Lead, your responsibilities will include, but are not limited to, the following:
Added just now
Embedded Software Engineer Intern - Summer 2027
Lockheed Martin
Huntsville, AL · Sunnyvale, CA · Littleton, CO · Huntsville · Sunnyvale · Littleton
Added just now
Systems Engineer Senior - E3
Lockheed Martin
Littleton, CO · Littleton
As the Systems Test Lead, your responsibilities will include, but are not limited to, the following:
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Systems Engineer Senior Staff - E5
Lockheed Martin
Littleton, CO · Littleton
Prior experience as a Responsible Systems Engineer (RSE) or Certified Principal Engineer (CPE) or Delegate or Integrator role
Added just now
Systems Engineer Staff - E4
Lockheed Martin
Littleton, CO · Littleton
Prior experience as a Responsible Systems Engineer (RSE) or Certified Principal Engineer (CPE) or Delegate or Integrator roles
Added just now
Occupant Safety CAE Engineer
HTC Global Services Inc
Michigan, MI
…crash simulation, mechanical engineering, and passive safety systems. The engineer will collaborate with cross-functional teams to develop efficient vehicle architectures and improve…
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Full Stack Engineer Stf
Lockheed Martin
Virtual Three, MI
…before. Through our dedication to our mission, our AI-enabled systems are changing the way militaries operate and protect their forces, the way first responders fight fires, and how…
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Lead Platform Engineer, Agentic Issue Resolution (AIR)
Ford Motor Company
Redford, MI
Plant teams lose hours each shift piecing together what went wrong: pulling data from separate systems, chasing history, and rebuilding context before they can fix anything. That groundwork…
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Software Development Engineer in Test (SDET)
Apex Systems, Inc
Okemos, MI
Added just now
Ford Racing Body Exterior Engineer
Ford Motor Company
Allen Park, MI
Lead the design, release, and delivery of components and systems across multiple exterior commodities for Ford Racing on an upcoming new model program

Experis USA

Backend Engineer

Greenwood Village, CO, United States

$55 to $70 USD / hour

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Job details

Pay: $55 to $70 USD / hour
Apply by: Feb 2, 2027
Experience: 5+ years of professional Java backend development experience.
Posting language: English
Posted: Nov 3, 2026

Original job description

Our client, an enterprise technology organization, is seeking a Backend Engineer to join their team.

As a Backend Engineer, you will be part of contributing to enterprise-scale API Gateway and Identity & Access Management (IAM) initiatives.

The ideal candidate will have strong RESTful API and distributed systems experience, proven authentication and authorization expertise, and the drive to reduce technical debt while modernizing backend services. Job Title: Backend Engineer Location: South Denver (Hybrid) Pay Range: $55-70/hour, based on experience What's the Job?

Design, enhance, and maintain authentication and authorization services that support customer-facing and internal applications.
Build and secure enterprise API Gateway integrations and backend services, strengthening security controls across the platform.
Reduce technical debt by improving legacy code, refactoring for quality, and modernizing backend systems for internal business reporting.
Implement and troubleshoot OAuth 2.0, OpenID Connect (OIDC), JWT, SAML, and related security protocols.
Leverage AI-assisted development tools to accelerate delivery while maintaining engineering standards and reliability. What's Needed?
5+ years of professional Java backend development experience.
Strong experience building RESTful APIs and distributed systems.
Hands-on experience with authentication and authorization technologies and security protocol implementation.
Experience with Spring Boot and modern Java frameworks.
Proven ability to work independently with minimal supervision, ramping up quickly in complex environments. What's in it for me?
Opportunity to make a direct impact by improving authentication/authorization and API gateway security for critical systems.
Work on initiatives focused on reducing technical debt and improving code quality for internal business reporting.
Long-term contract expected to extend to December 2027

Upon completion of waiting period consultants are eligible for:

Medical and Prescription Drug Plans
Dental Plan
Vision Plan
Health Savings Account
Health Flexible Spending Account
Dependent Care Flexible Spending Account
Supplemental Life Insurance
Short Term and Long Term Disability Insurance
Business Travel Insurance
401(k), Plus Match
Weekly Pay If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you! About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells. ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

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Skills

Microsoft Access
Identity and access management
RESTful API
Reporting
Troubleshoot
SAML
Oracle Java
Back-end development
API development
Spring Boot
Work independently

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