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  • Mobile App Developer with API

     ...Key Responsibilities: Design, develop, and maintain mobile applications for Android and or iOS Build and integrate RESTful APIs and third-party services Ensure application performance, quality, and responsiveness Collaborate with backend developers, designers... 
    Suggested
    Full time

    Intelliswift - An LTTS Company

    Mount Vernon, NY
    14 hours ago

  • Mobile App Developer with API

    $103k - $143k

     ...Swift for iOS, or React Native or Flutter Experience with REST APIs, JSON, and Node.js or similar frameworks Familiarity with Git...  ..., and maintain mobile applications for Android and/or iOS Develop and integrate RESTful APIs and third-party services Maintain... 
    Suggested
    Full time

    Intelliswift - An LTTS Company

    Mount Vernon, NY
    5 days ago

  • Senior Software Engineer - API Platform & Client Tooling

    $153k - $204k

     ...What You’ll Do: The Cloud Platform API team builds the API platform and the tooling that every other engineering team at CoreWeave...  ...other teams depend on, and raise the quality bar for the developer experience across that whole surface. Because this team is CoreWeave... 
    Suggested
    Permanent employment
    Contract work
    Temporary work
    Casual work
    Work at office
    Flexible hours

    CoreWeave

    Livingston, NJ
    2 days ago

  • Senior Python Backend Engineer (APIs & Data Platforms) #3583283

     ...financial institution Exposure to modern backend engineering, APIs, and data-driven application development Collaborative agile...  ...code quality standards How You Will Make An Impact: Design, develop, and maintain scalable backend applications using Python... 
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    Axiom Path

    Jersey City, NJ
    16 days ago

  • Java API Developer

    Job ID: 25687059Reference Number: 25-00626Title: Java API DeveloperLocation: Wayne, NJ, 07470Posted Date: 2025-06-11Contact: Shyam MaramContact...  ....comContact Phone: (***) ***-****Company: HAN Staffing Java API Developer - Only On W2WE Accept H1B Transfer Location: Frisco, TX/... 
    Suggested
    H1b

    HAN Staffing

    Wayne, NJ
    4 days ago

  • Front-End Developer (React / Tailwind CSS / API Integrations)

     ...performance web applications? We're looking for a talented Front-End Developer with strong React and Tailwind CSS experience to help develop...  ...-friendly applications that integrate seamlessly with external APIs and third-party services. What You'll Bring Required... 
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    CareSphere

    North Bergen, NJ
    a month ago

  • Senior Lead Software Engineer- Payments Tech - AI-First Developer Portal & External APIs

    This is your chance to shape an AI-first Developer Portal—a modern “front door” where clients and their systems can discover capabilities...  ...through agent-ready workflows and high-quality external APIs. As a Senior Vice President of Software Engineering within Payments... 
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    Contract work

    JP Morgan Chase

    Jersey City, NJ
    3 days ago

  • Remote Customer Solutions Engineer — Frontend & API

     ...a fully remote team. You’ll blend frontend engineering skills with customer-focused problem solving, supporting customers via Moov APIs, SDKs, and tooling. You’ll help improve documentation, assist sales with PoCs, and collaborate with product and engineering to resolve... 
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    Remote job

    Moov

    Brooklyn, NY
    5 days ago

  • Senior Java Middleware / API Software Engineer (Bilingual Japanese/English)

     ...connectivity—designing and delivering high-performance middleware and API solutions that enable seamless communication across global...  ...both Japan and the U.S. How You Will Make An Impact Design, develop, and maintain scalable middleware and RESTful API applications... 
    Suggested

    Axiom Path

    Jersey City, NJ
    17 days ago

  • Senior Lead Software Engineer - Payments APIs

    $61k - $101k

     ...acceptable. We need proven experience building external-facing APIs and integration platforms, including contract-first design,...  ...We will rely on you to define the architecture for an AI-first Developer Portal, including agent-ready workflows, tool and action schemas... 
    Suggested
    Full time
    Contract work

    J.P. Morgan

    Jersey City, NJ
    11 days ago

  • Staff Software Engineer, Public API

     ...relationships that help people do their best work together.What’s the Role?The OpenAPI team works on Etsy’s public API provided for sellers and 3rd party developers. We build and maintain technical capabilities to enable our users to integrate with our API and build apps to... 
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    Full time
    Work at office
    Local area
    Remote work
    Visa sponsorship

    Etsy

    Brooklyn, NY
    14 hours ago

  • .NET Backend Developer

     ...Requirements ASP.NET Core Web API on IIS; Entity Framework Core (advanced: migrations, temporal tables, schema isolation) Domain-Driven Design in practice: aggregates, domain events, anti-corruption layers API design (RESTful, contract-first, versioned, paginated... 
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    Contract work

    Techvilla Solutions

    Englewood Cliffs, NJ
    1 day ago

  • Sr. Java API developer

    Company DescriptionTECHNAMO is a niche, young & dynamic IT service provider, VA SWaM certified, Microsoft Cloud Certified Partner, focused on providing IT Solutions & Services to government and commercial companies.Technamo is a Tier-I Contractor to provide IT Services ...
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    For contractors

    Technamo

    Jersey City, NJ
    2 days ago

  • Full Stack Engineer

    $160k - $200k

     ...Whether you’re designing code, solving regulatory puzzles, or developing strategy, you’ll join a team where innovation and integrity drive...  ...to internal tools, financial data systems, and third-party APIs. You'll collaborate closely with product, compliance, and cross... 
    Suggested

    Cross River

    Fort Lee, NJ
    2 days ago

  • Senior Java Backend Developer

     ...Primary Responsibilities Design, develop, test, and maintain scalable Java backend applications and services . Develop and maintain RESTful APIs and microservices using Java and Spring Boot. Analyze business and technical requirements and translate them into... 
    Suggested

    Techvilla Solutions

    Palisades Park, NJ
    3 days ago

  • Java Developer

     ...only a local candidate. Please don't apply if you are not local. Description 1. Strong, hands-on experience with Java, Spring, REST APIs, and microservice architecture. 2. Strong expertise in Spring Security and JWT. 3. Significant experience with GraphQL. 4.... 
    Full time
    Local area

    HireOn Tech

    Englewood, NJ
    2 days ago

  • Senior WordPress / React / GraphQL Engineer

     ...editorial workflows, React-based frontend experiences, and GraphQL APIs consumed by web and mobile clients. The role will build reliable...  ..., and production operations. Core responsibilities Develop and maintain custom WordPress themes, plugins, blocks, post... 
    Contract work

    Tricon Solutions

    Fort Lee, NJ
    29 days ago

  • Principal Front-Office Software Technical Trading Engineers VP (API, ETL, Java, C#), VP - Charles River Development

    If you do not have Front-Office / Buyside / Investment Software trading experience. Please do not apply. What we are looking forAs a Principal Consultant you will be assessing client needs and utilizing technical expertise to identify solutions which are in alignment with...
    Full time
    Remote work
    Flexible hours

    State Street Bank

    Clifton, NJ
    2 days ago

  • Senior Director of Software Engineering - API Marketplace

     ...As a Senior Director of Software Engineering at JPMorganChase within the Consumer and Community Banking, API Marketplace team, you lead the external API developer portal for our strategic partners. Your expertise is applied cross-functionally to drive the adoption and... 

    Jobleads-US

    Jersey City, NJ
    1 day ago

  • Java API Engineer

    Technical Skills: ~8 years' experience in Java ~ Spring Boot / Micro services ~ Spring Boot Experience of working in an Agile environment ~ Web services (REST Services / SOAP)DB (Oracle/MongoDB) ~ Microservices architecture (Docker, Kubernetes)...

    Exaways Corporation

    Jersey City, NJ
    3 days ago

  • Artificial Intelligence Engineer

     ...architectures that connect enterprise systems, modern data platforms, APIs, and analytics workflows into reliable production capabilities....  ...-enabled business applications is a major plus. Experience developing, maintaining, and releasing production enterprise-grade AI... 
    Full time

    Marlabs

    Englewood, NJ
    2 days ago

  • Sr Mobile Apps Engineer / Developer with C# and Objective C.

     ...Sr Mobile Apps Engineer / Developer with C# and Objective C. ~ Contract SV Tech Systems prides itself in being the leading provider...  ...handsets, will design, define and benchmark and test new Android API's on Android, Symbian, iOS, PalmOs, WebOS, QNX, Linux and... 
    Contract work

    Jobleads-US

    Ridgefield Park, NJ
    1 day ago

  • Senior Mobile Apps Engineer - C# & Objective-C (Android/iOS)

     ...SV Tech Systems seeks a Senior Mobile Apps Engineer/Developer proficient in C# and Objective C to lead mobile app development. The candidate will handle Android API benchmarking, cross-platform considerations and collaborates with QA to ensure robust releases. Location... 
    Contract work

    Jobleads-US

    Ridgefield Park, NJ
    1 day ago

  • Java Full Stack Developer @ Only US Citizens & H4EAD

     ...Greetings from Skysoft \n \n Role: Senior Java Full Stack Developer \n Location: Columbus, OH and Jersey City, NY (5 Days Onsite...  ...secure enterprise applications. \n ~ Strong knowledge of REST APIs , distributed systems, and event-driven architecture. \n ~... 
    Contract work

    Skysoft Inc.

    Jersey City, NJ
    2 days ago

  • Software Engineer in Test

     ...supporting high-traffic, transactional workflows. Design, build, and maintain automation test suites from scratch, including UI, API, and end-to-end coverage. Convert manual testing workflows into scalable, maintainable automated tests. Implement end-to-end... 
    Full time
    Shift work

    Groupe Kardol

    Englewood Cliffs, NJ
    1 day ago

  • Senior Software Engineer

     ...Qualifications: • Hands-on expert in Java/Scala with 7+ years of experience. • expert knowledge on building applications which offers API for Clients using various Architectural styles like REST, GraphQL, Web Socket Subscriptions, GRPC. • Expert in analyzing and... 

    AITA Consulting Services, Inc.

    Englewood Cliffs, NJ
    2 days ago

  • Cloud Lead Infrastructure Engineer - Technical Solutions Engineering

     ...troubleshooting and resolving complex, integration-level issues above the API layer.Builds and improves self-service capabilities (tools,...  ...migrate across public and private cloudsDrives to continue to develop technical and cross-functional knowledge outside of the product.... 
    Permanent employment

    JP Morgan Chase

    Jersey City, NJ
    1 day ago

  • Full Stack Engineer

     ...Mobile Applications. The ideal candidate is a senior Java Full-Stack developer who can understand Android mobile application codebases and...  ...development Strong expertise in: Java, Spring / Spring Boot RESTful API design and database integration Experience in application... 

    Crystal Equation

    Ridgefield Park, NJ
    3 days ago

  • Full Stack .Net AWS Cloud Developer

     ...job description carefully Role: Full Stack .Net AWS Cloud Developer Location: Newark, NJ (Hybrid) 3 days / Onsite, 2 days Remote...  ...in both front-end and back-end development, including UI design, API development, data integration, AWS cloud services, and secure... 
    Contract work
    H1b
    Currently hiring
    Remote work

    Yorkshire Global Solutions Inc.

    Newark, NJ
    4 days ago

  • UI React Developer with .NET or Java

     ...Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain...  ...performance. Integrate front-end applications with RESTful APIs developed in Java or .NET . Collaborate with UX/UI... 
    Full time
    Temporary work
    Flexible hours

    Synechron

    Jersey City, NJ
    14 hours ago