Senior API Developer jobs

Remote or LASARA, Tx

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Today

Description: Remote The organization seeks a Senior API Developer to design, develop, and maintain APIs and system integrations across a digital ecosystem. The role will utilize Microsoft Azure services including API Management, Application Gateway, Logic Apps, and C#/.NET to deliver secure and scalable solutions. The developer will collaborate with cross-functional IT teams to integrate platforms such as Salesforce, Workday, Microsoft Dynamics, Paycom, BlackLine, Jira, and ServiceNow while me

Contract

Senior Java API Developer

Pennsylvania

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Today

job summary: Role Summary We are seeking a Senior Java API Developer with robust experience in designing, building, securing, and optimizing RESTful microservices on AWS. This role requires deep expertise in Java, REST API design, application security, OAuth2, and AWS cloud services, along with a solid understanding of design patterns, exception handling, and testing frameworks. The ideal candidate will be responsible for delivering highly performant, secure, and scalable APIs in a cloud-

Full-time

USD55 - USD60

Senior Java API Developer

Pennsylvania

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Today

Contract

USD55 - USD60

Senior Java Developer API & Cloud Services

Hybrid in Wilmington, Delaware

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Today

Job Summary We are seeking a highly experienced Senior Java AWS API/Web Services Developer to design, build, and optimize high-performance, scalable applications handling very high transaction volumes (3000+ TPS). The ideal candidate will bring deep expertise in multithreading, performance tuning, and distributed systems, with prior experience in eCommerce platforms, payment gateways, or other high-throughput environments. This role requires an end-to-end product mindset, covering design, develo

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Contract

$60+

Senior Backend Engineer (Python / API Development)

Charlotte, North Carolina

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Today

Senior Backend Engineer (Python / API Development) Charlotte, NC (Hybrid 3 Days Onsite: Mon/Tue/Thurs)? Contract: 12 Months (Potential Extension/Conversion) Overview We are seeking a highly hands-on Backend Engineer with strong Python expertise to design, build, and scale modern API-driven services within a large enterprise environment. This role is ideal for an engineer who thrives on ownership, writes clean and scalable code, and enjoys working in a fast-paced, collaborative setting with a str

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Contract

USD0 - USD0

Java/API Developer

Remote

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10d ago

Java/API Developer 12-month contract (long term renewing) Mostly Remote need to be local in Nashville for occasional onsite needs Top Skills'' Details 1. Experience with Redhat and Redhat Openshift 2. Java 3. Jira Must be strong within API integration Job Description We are looking for an experienced API Developer for the DevOps Team that supports the Tennessee Department of Human Resources Skills: Java RDBMS experience Maven Jenkins or Tekton Redhat / Redhat Openshfit & 3Scale CI/CD JBoss Ji

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Contract

40 - 45

API Developer

Remote

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Today

Job Title: API Developer Location: Remote Contract Duration: Rest of the Fiscal Year Notes from Call: Overview: Client is seeking API Developers with a strong focus on AI driven API strategy, MCP/MCP Server development, and hands on coding using Go. Candidates must be comfortable working with UI tooling and Claude (AI tool), and able to step directly into an established, mature engineering environment. Project / API Program Details Client's API program is tightly connected to their AI strateg

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Contract

$50 - $60

Sr AWS Cloud Developer

Texas

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Today

job summary: Knowledge in Container technologies (Docker and Kubernetes). Implement and maintain CI/CD pipelines to ensure smooth and automated delivery of applications into production environments. Knowledge of relational and NoSQL database management systems. Working knowledge of testing frameworks like Junit, Mockito, Spring Test. Experience in Agile methodologies (Kanban, SCRUM). Excellent collaboration skills to work with multiple teams in the organization globally. location: Westlake

Contract

USD75 - USD76

API Developer - Sr Software Engineer

Louisville, Kentucky

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Today

Become a part of our caring community The API Senior Software Engineer designs, builds, tests, and maintains Application Programming Interfaces (APIs) that allow different software applications to communicate and exchange data seamlessly. This role is vital for integrating systems, enhancing functionality, and supporting both internal services and third-party integrations. You will report to the Director of Data Engineering for CenterWell Tech - Primary Care Organization (PCO) Technology Suppor

Full-time

USD 106,900.00 - 147,000.00 per year

Java AWS API Developer

Remote

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8d ago

Seeking an experienced AWS API Developer to design, build, and optimize scalable API solutions within our cloud ecosystem.In this role, you will develop secure, high-performance RESTful and event-driven services using AWS technologies such as Lambda, API Gateway, DynamoDB, and IAM.The ideal candidate has strong proficiency in modern programming languages (e.g., Python, Node.js, or Java), hands-on experience with CI/CD pipelines, and a deep understanding of cloud architecture best practices.This

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Contract

Depends on Experience

API Developer Lead (Remote Opportunity)

Remote

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8d ago

We are currently looking for an API Developer Lead for a 100% remote position on a large federal government project supporting the Department of Veterans Affairs (VA) Lighthouse Program. This role focuses on leading API platform engineering across multiple teams, with an emphasis on Kong API Gateway, API governance, and cloud-native delivery. The selected candidate will drive API standards, security, and scalable platform operations in a highly collaborative environment. The candidate must resid

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Full-time

145000 - 160000

Senior API Engineer

Raleigh, North Carolina

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Today

Job#: 3021371 Job Description: Apex Systems is currently hiring for a API Gateway Engineer - Broadcom Layer 7 with one of our large Banking clients. Location: Remote, EST Hours Onsite expectation: 100% Remote (EST Hours) Pay range: 80-82/HR W2 Contract Length: 6 Month Contract to Hire Note: We are unable to consider C2C or third-party submissions. Required Skills 3-7+ years hands-on experience with Broadcom Layer7 (API policies, transformations, routing, threat protection).Strong API engine

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Full-time

USD 80.00 - 82.00 per hour

Python API Developer w/ Network Load Balancing - OH

Columbus, Ohio

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Today

Job#: 3023939 Job Description: Python API Developer with Network Load Balancing Location: Columbus, OH / Charlotte, NC / Irving, TX / Iselin, NJ Work Schedule: 3x Hybrid each week Duration: Upto 24 Months Contract Employment Type: W2 Rate Range: $60-70/hr. on W2 Role Overview We are seeking an experienced API Developer with a strong background in network load balancing technologies and hands-on software development. This role focuses on building and maintaining APIs that integrate with en

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Full-time

USD 60.00 - 70.00 per hour

Lead Java Developer with GraphQL, API & AWS - Locals (In-Person Interview) - VA/MD

Hybrid in McLean, Virginia

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2d ago

Title: Lead Software Engineer (GraphQL, Java, AWS) Location: Rockville, MD or McLean, VA (Hybrid 3 days onsite with 2 days remote) Duration: 6 Months with possible extension Interview process: Prescreen, Phone, Onsite panel Job Summary: The Lead Software Engineer will lead the integration of Commercial Off-The-Shelf (COTS) products with enterprise technology infrastructure to support an investigations organization. This role focuses on technical integration architecture, GraphQL API development

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Contract

Depends on Experience

Lead API Developer -onsite-Santa Clara, CA

Santa Clara, California

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23d ago

API Developer with. Net Santa Clara, onsite Contract API Developer to design, develop, and maintain secure, scalable, and highperformance APIs using the Microsoft .NET technology stack & Python. The ideal candidate will have strong hands-on experience with API development, cloud technologies, and modern architectural patterns. Key Responsibilities Design, develop, and maintain RESTful APIs using .NET/.NET Core and PythonImplement clean, scalable, and maintainable code following best practices.In

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Contract

Depends on Experience

Senior Platform Engineer - API

Seattle, Washington

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Today

Description & Requirements who we are lululemon is an innovative performance apparel company for yoga, running, training, and other athletic pursuits. Setting the bar in technical fabrics and functional design, we create transformational products and experiences that support people in moving, growing, connecting, and being well. We owe our success to our innovative product, emphasis on stores, commitment to our people, and the incredible connections we make in every community we're in. As a co

Full-time

USD 136,200.00 - 178,700.00 per year

Senior Lead Software Engineer - API Marketplace

Jersey City, New Jersey

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Today

Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within Consumer and Community Banking's (CCB) API Marketplace, you will play a key role in an agile team dedicated to building, enhancing, and delivering trusted, market-leading technology products. You will leverage your deep technical expertise and problem-solving skills to address comple

Full-time

USD 171,000.00 - 260,000.00 per year

Senior Lead Software Engineer - API Marketplace

Hoboken, New Jersey

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12d ago

Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within Consumer and Community Banking 's (CCB) API Marketplace , you will play a key role in an agile team dedicated to building, enhancing, and delivering trusted, market-leading technology products. You will leverage your deep technical expertise and problem-solving skills to address compl

Full-time

Sr. Lead Software Engineer - Java, Spring, API, AWS

Wilmington, Delaware

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Today

Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer - Java, Spring, API, AWS at JPMorgan Chase within our Corporate sector's Global Finance Technology team, you will play a pivotal role in an agile team focused on developing secure, stable, and scalable technology products. You will leverage your technical expertise to solve complex challenges across various

Full-time

Sr. Lead Software Engineer - Java, Spring, API, AWS

Wilmington, North Carolina

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2d ago

{"description": " Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer - Java, Spring, API, AWS at JPMorgan Chase within our Corporate sector's Global Finance Technology team, you will play a pivotal role in an agile team focused on developing secure, stable, and scalable technology products. You will leverage your technical expertise to solve complex challenges

Full-time

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Senior API Developer jobs