Backend Developer jobs

Ashburn, Virginia

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Today

Job ID: 2618700 Location: Ashburn, VA, US Date Posted: 2026-11-02 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer oriented, and hands on Junior-level Java Backend Developer with cloud experience to join our team to begin an exciting and challenging care

Full-time

USD 60,001.00 - 100,000.00 per year

Back End Developer

McLean, Virginia

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Today

Job Number: R0249717 Back End Developer The Opportunity: As a sof tware engineer, you know that good sof tware is more than just a nice-looking interface and data. You need the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a sof tware engineer like you to develop efficient and effective sof tware, from vision to production-ready systems in an exciting, agile environment. As a sof tware engineer at Booz Allen, you'll us

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Backend Developer

San Antonio, Texas

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Today

The Senior Backend Developer provides subject matter proficiency for our USAF mission. This role is responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, an

Full-time

Depends on Experience

Senior Software Engineer / Back end developer

Waltham, Massachusetts

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Today

An innovative technology company is seeking a full-time Platform Engineer to serve as a key technical leader within its U.S. engineering organization. In this role, you'll help drive cloud infrastructure strategy, improve developer productivity, and advance AI-powered software development practices across the company. This is a unique opportunity to help shape the future of software engineering through AI. As a core member of the platform team, you'll play a significant role in building an agent

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Full-time

$170000 - $220000

.NET Backend Developer

Austin, Texas

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20d ago

Role: .NET Backend DeveloperLocation: Austin, TX , CA 5 days onsite Interview: Code Test + Video Interview + In person interview at Client office.NOTE: NO H1B Candidates because the position is on W2 and 1099Responsibilities: Contribute to the complete software development lifecycle for applications, ensuring that all projects are delivered on time and meet high-quality standardsDesign, develop, and maintain full stack web applications, utilizing.NET Core, C#Collaborate with cross-functional te

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Contract

Depends on Experience

Java Spark Backend Developer

Jersey City, New Jersey

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Today

Grow your career as a Java Spark Backend Developer with an innovative global bank in Jersey City, NJ. Contract role with strong possibility of extension. Will require working a hybrid schedule 3 days onsite per week. Join one of the world's most renowned global banks and trusted brand with over 200 years of continuously evolving financial services worldwide. You will work alongside some of the smartest minds in the industry who are excited to share their knowledge and to learn from you. Contract

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Contract

$90 - $97.83

Senior Backend Developer - Kotlin/Java/SaaS

Boston, Massachusetts

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Today

Job Description A global insurance company in Boston is hiring a Backend Software Engineer to help build and scale the technology by powering its digital insurance platform. In this position, you'll be developing backend systems, APIs, and product features, all while working closely with frontend developers and other teams. In this role, you'll be a part of a small team in shaping the core internal systems that are essential to the company's software engineering environment. You'll also take ow

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Full-time

$180000 - $210000

Nodejs Backend Developer

Springfield, Illinois

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Today

1. Javascript Proficiency 2. Asynchronous Programming 3. Node Js Frameworks 4. RESTful API Development 5. Database Management 6 Understanding of Databases 7. RESTful API Development 8. Database Management

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Full-time

$60,000 - $80,000

Node.js Backend Developer

Hybrid in New York, New York

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23d ago

Required Skills: --Only on W2 Strong experience with Node.js, JavaScript, and TypeScript Experience with Express.js or NestJS REST APIs and Microservices SQL/NoSQL databases: MongoDB, PostgreSQL, or MySQL Redis, API Security, JWT/OAuth2 Cloud platforms (AWS/Azure/Google Cloud Platform) and CI/CD Docker, Kubernetes, and messaging tools are a plus Looking for a skilled backend developer who can build scalable, secure, and high-performance applications.

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Contract

$50 - $60

Sr Java Backend Developer - W2 Contract

McLean, Virginia

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Today

Sr Java Backedn Developer 6 Months contract later C2H (Contract to Hire) McLean , VA On-site M-F Interview Information: Rounds: 2 rounds Interview Type:1st round MS Teams - Video Mandatory | 2nd round In Person Must Have Qualifications: Java Backend Developer 8+ years of related software engineering or technology delivery experience. Hands-on expertise with AWS, Java, and microservices architecture is required. Kubernetes Spring bootSome hands-on use of AI for software engineering practices

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Contract

Depends on Experience

Back-End Node Developer

Hybrid in Fort Belvoir, Virginia

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Today

Job Number: R0252668 Back-End Node Developer The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for an experience d back-end developer with the sof tware engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Alle

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Java Backend Developer

Sunnyvale, California

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Today

Title :Senior Java Backend DeveloperDuration : 1 YearLocation :Bentonville, Arkansas or Sunnyvale, CAOn-site day oneSenior Java Backend Developer with over 10 years of experience to design, develop, and maintain high-performance microservicesParticipate in code reviews, debugging, and performance optimization -- Send resume to martin at vsiontek dot com call me five one two - two one five- four four five five

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Contract

50 - 60

Lead Back-End Java Developer

Remote or Tampa, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Lead Back-End Java Developer in Tampa, FL. Summary: We're looking for an experienced Back-End Java Software Engineer to design and develop mission-critical applications supporting complex warehouse automation and material handling environments. This is a senior, hands-on engineering role focused on Java back-end development, system integrations, databases, distributed applications, and technical leadership. What You'll Do: * Design, devel

Full-time

$120,000 - $140,000 annually

Backend/API Developer

Boston, Massachusetts

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Today

Backend/API Developer Location: Boston, MA Hybrid Job Summary: We are seeking a highly skilled Backend/API Developer with 7 10 years of experience in Python development. The ideal candidate will be responsible for designing, developing, and maintaining robust backend systems and APIs that support our applications. This role requires a deep understanding of Python and its frameworks, as well as experience in building scalable and efficient backend solutions. Responsibilities : Design, devel

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Full-time, Part-time, Contract, Third Party

Full Stack Developer (Backend Focus)

Palo Alto, California

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Today

We're looking for a hands-on AI Agent Engineer with strong backend development skills to help design and deliver production-ready agentic solutions that streamline real business workflows. This role is ideal for someone who enjoys turning ambiguous problems into reliable, scalable systems and collaborating closely with product and domain experts to create measurable impact. Responsibilities Partner with product managers and subject matter experts to understand workflows, define requirements, a

Full-time

USD 49.00 - 85.00 per hour

Java Backend developer (Google Cloud Platform)

Phoenix, Arizona

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Today

Position Java Backend with Google Cloud Platform Client AMEX Location: Phoenix AZ Onsite (Locals) Visa: OPT's CPT'sonly on W2 Share me the Updated profile to clientreq191 at gmail dot com Only W2 Allowed No C2CJob Description Role Overview: We are seeking a skilled Java Backend Engineer with mid-level experience to join our team in New York. The ideal candidate will have strong expertise in backend development, building scalable and secure applications, and collaborating with cross-functional t

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Contract

Depends on Experience

Lead : Python Backend Developer (Healthcare / Claims)

Remote

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16d ago

Lead Python Backend Developer AWS & AI (Healthcare / Claims) Position: Lead Python Backend Developer AWS & AI Experience: 12+ Years Employment Type: Full-Time Domain: Healthcare / Health Insurance / Claims Mandatory About the Opportunity We are looking for a strong hands-on Python Backend Development Lead with extensive experience in AWS Cloud, Microservices, Distributed Systems, and AI-Assisted Development. The ideal candidate must have deep expertise in Python backend engineering, experie

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Full-time

Depends on Experience

Java Backend Developer

Hybrid in Charlotte, North Carolina

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6d ago

LTIMindtree is an equal opportunity employer that is committed to diversity in the workplace. Our employment decisions are made without regard to race, color, creed, religion, sex (including pregnancy, childbirth or related medical conditions), gender identity or expression, national origin, ancestry, age, family-care status, veteran status, marital status, civil union status, domestic partnership status, military service, handicap or disability or history of handicap or disability, genetic info

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Full-time

$98,000 - $134,000

Senior Backend API Developer

Hybrid in Buffalo, New York

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Yesterday

Develop and maintain enterprise APIs that enable money movement applications across banking systemsBuild and support API integrations with mainframes and external banks via ACH protocolsLead migration efforts moving on-premise services and infrastructure to Azure cloud environmentSupport production systems through troubleshooting, defect resolution, and performance optimizationImplement incremental functionality and enhancements to existing backend API codebaseConduct integration testing and RES

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Contract

Depends on Experience

Python Backend Developer

New York, New York

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Today

Python Developer(Backend) Hybrid for NYC Long term Contract 2nd round will be F2F Job Summary We are looking for an experienced Python Backend Developer to design, develop, and maintain scalable backend applications and APIs. The candidate should have strong expertise in Python development, RESTful services, database design, cloud technologies, and microservices architecture. Key Responsibilities Develop and maintain scalable backend applications using Python Design and build REST APIs and micr

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Full-time, Contract

$DOE