Backend Developer jobs

Ashburn, Virginia

•

Today

Job ID: 2618996 Location: Ashburn, VA, US Date Posted: 2026-11-10 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 senior-level Java Backend Developer with cloud experience to join our team to begin an exciting and challenging care

Full-time

USD 140,001.00 - 180,000.00 per year

Java Backend Developer Junior

Ashburn, Virginia

•

Today

Job ID: 2618700 Location: Ashburn, VA, US Date Posted: 2026-11-10 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

Senior Backend Developer

Annapolis, Maryland

•

Today

Senior Backend Developer Why This is an Exciting Role: As a Senior Backend Developer with BI&A you will be supporting an IC Customer working on mission driven applications. Candidates in this role will: Design, develop, and maintain backend functionality within applications using Python, Docker, Kubernetes, Opensearch and PostgreSQL.Develop and maintain backend services and REST APIs, including request validation, error handling, and authentication and authorization integration.Use Pydantic fo

Full-time

USD 144,200.00 - 176,900.00 per year

Lead Java Spring Boot Backend Developer

Issaquah, Washington

•

Today

We are looking for Lead Java Spring Boot Backend Developer for our client in Issaquah, WAJob Title: Lead Java Spring Boot Backend Developer Job Location: Issaquah, WA Job Type: Contract Pay Range: $57.00hr - $62.00hr Job Overview: We are seeking a highly experienced and technically proficient Senior Backend Developer specializing in Java Spring Boot and Microservices Architecture. The ideal candidate will have a strong background in the retail domain, proven leadership capabilities, and a passio

Easy Apply

Third Party, Contract

Depends on Experience

Senior Python Backend Developer

Jersey City, New Jersey

•

Today

Senior Python Backend Developer Location: Jersey City, NJ (Hybrid) Experience: 5 7 Years Pay Range: $85/hr - 90/hr Job Overview We are seeking an experienced Senior Python Backend Developer to design, develop, and implement scalable backend applications, microservices, and RESTful APIs within an enterprise technology environment. The ideal candidate will have strong hands-on Python development experience, expertise in microservices architecture, and a solid understanding of API development, da

Easy Apply

Full-time

$85.0000 - $90.0000

Senior Backend Developer

San Antonio, Texas

•

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

Backend Developer

Woonsocket, Rhode Island

•

Today

Job#: 3057640 Job Description: Backend Developer Location: Remote Role Overview Our organization is seeking a skilled Backend Developer to join our dynamic technology team. The successful candidate will design, develop, and maintain robust server-side applications and databases. This position requires a strong focus on system performance, scalability, and seamless integration with front-end services. Key Responsibilities Design and implement highly scalable, reliable, and secure backend sys

Easy Apply

Full-time

$70 - $75 per hour

Senior Backend Developer / C#, ASP.NET, MySQL / Hollywood, FL

Hollywood, Florida

•

Today

Job Description A growing fintech company is seeking a Senior Backend Developer to help architect, build, and scale its core business platform. The company's primary in-house application is built on an ASP.NET 8 monolithic architecture backed by a MySQL database. This role will play an important part in developing new business functionality while helping modernize the existing platform through the gradual decomposition of legacy modules into independently deployable ASP.NET Core services. The id

Easy Apply

Full-time

$150000 - $180000

Senior Python Backend Developer AI Technologies

New York, New York

•

Today

Job Title: Senior Python Backend Developer AI Technologies Location: New York City, NY (Hybrid 3 Days Onsite) Job Description: We are seeking a highly experienced, hands-on Senior Python Backend Developer with strong expertise in Python, backend development, and AI technologies. The ideal candidate will have 10+ years of software development experience, including extensive hands-on experience building scalable, high-performance web applications, RESTful APIs, and AI-enabled solutions. The candi

Easy Apply

Contract

.NET Backend Developer

Austin, Texas

•

28d 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

Easy Apply

Contract

Depends on Experience

Back-End Engineer

Miami, Florida

•

Today

HelloGov AI is a fast-growing gov-tech company transforming how people navigate government services through artificial intelligence. We simplify complex processes including passports, travel visas, vehicle registrations, and business formations making them faster, easier, and less stressful through our trusted technology platform. We are looking for a talented Back-End Software Engineer to join our on-site engineering team in Miami. This is a hands-on software engineering role focused on buildin

Full-time

$100,000 - 110,000 per year

Java Spark Backend Developer

Jersey City, New Jersey

•

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

Easy Apply

Contract

$90 - $97.83

Back-End Node Developer

Hybrid in Fort Belvoir, Virginia

•

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 Backend Developer - Kotlin/Java/SaaS

Boston, Massachusetts

•

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

Easy Apply

Full-time

$180000 - $210000

Java Backend Developer

Hybrid in Boston, Massachusetts

•

Today

Job Title: Senior Java Backend Developer Job Duration: 8+ Months Job Location: Boston, MA (Hybrid 23 days onsite) Need a local candidate Job Summary We are seeking an experienced Senior Java Backend Developer to join the Middle Office Core Platform team and drive product development and modernization initiatives. The ideal candidate will have strong expertise in Java, Spring Boot, microservices, distributed systems, and cloud technologies. Key Responsibilities Design, develop, and main

Easy Apply

Third Party, Contract

Depends on Experience

Senior Software Engineer / Back end developer

Waltham, Massachusetts

•

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

Easy Apply

Full-time

$170000 - $220000

Java Backend Developer - Plano, TX - W2

Plano, Texas

•

Today

Job Title: Java Backend Developer Location: Plano, TX Duration: 1 Year of Contract Requirements: Bachelor's degree in Computer Science, Engineering, or a related field. 5 Plus years of experience in Java back-end development. Proficiency in Java programming language and related frameworks (e.g., Spring, Spring Boot, Spring Batch). Strong understanding of object-oriented programming principles, data structures, and algorithms. Experience with Oracle SQL and database design principles. Proficiency

Easy Apply

Contract

Depends on Experience

Core Java Backend Developer

Austin, Texas

•

Today

Title: Core Java Developer Location: Austin TX Duration: Long Term Client: Apple Rate: $65/hr. on W2 KEY QUALIFICATIONS 8+ years of proven experience in software development. Strong experience in object-oriented programming with Java. In-depth experience in data structures, distributed systems, and storages. Experience with developing and consuming RESTful services. In-depth experience with messaging: SQS, SNS, and Kafka. Experience in service performance profiling and optimization. Design and

Easy Apply

Contract

60 - 65

Python Backend Developer

New York, New York

•

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

Easy Apply

Full-time, Contract

$DOE

Backend/API Developer

Boston, Massachusetts

•

Yesterday

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

Easy Apply

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