Average salary: $40,160 /yearly

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  • A technology staffing and services company is searching for a Senior API Developer to design and maintain APIs. This role emphasizes secure architecture using Microsoft Azure and allows for mentoring junior developers. Key responsibilities include collaborating with IT... 
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    Contract work
    Remote work

    Eliassen Group

    Concord, NH
    18 hours ago
  • KMS Solutions, LLC in Dover, NH is looking for a Full-time ASP.NET Developer to design, build, and maintain web applications. The role involves developing REST APIs using Entity Framework, collaborating on new feature implementation, and requires strong skills in C#, Blazor... 
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    Hourly pay
    Full time
    Remote work

    KMS Solutions, LLC

    Dover, NH
    1 day ago
  •  ...seeking senior full stack engineer to build, test, and engineer REST APIs for a data platform. The role requires strong Java and Spring...  ...Rate: $65.00 to $70.00/hr. w2 Responsibilities: Design, develop, and maintain REST APIs using Java and Spring Boot Build... 
    Suggested
    Hourly pay
    Local area

    Eliassen Group

    Merrimack, NH
    28 days ago
  •  ...Integration Analyst to manage project requirements and technical integrations. The successful candidate will possess in-depth knowledge of APIs and XML and will be responsible for gathering business requirements, supporting development teams, and improving integrations for... 
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    ViziRecruiter,LLC.

    Manchester, NH
    2 days ago
  •  ...Senior API Migration Engineer (REST APIs - Cloud Migration) Anywhere Type: Contract Category: Engineer Industry: Financial Services Workplace Type: Remote Reference ID: JN -042026-106219 Date Posted: 03/31/2026 Shortcut:... 
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    Local area
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    Eliassen Group

    Concord, NH
    2 days ago
  •  ...software/application development, with strong expertise in Java and developing enterprise-level systems. 5+ years of experience in application...  ..., and highavailability solutions. Strong understanding of REST APIs, service integration patterns, CI/CD pipelines, and secure... 
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    Openkyber

    New Hampshire
    3 days ago
  •  ...Duration : 9 + Months Job Type : C Description : Design,develop, and maintain full stack applications utilizing Java (Spring Boot...  ...with business goals. Design,develop, and consume RESTful APIs, and integrate with various third-partyservices and platforms.... 
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    Openkyber

    New Hampshire
    3 days ago
  •  ...systems, multi-tier architecture, high availability systems REST APIs, service integration patterns, CI/CD pipelines Secure...  ...communication and collaboration skills Key Responsibilities Design and develop full-stack applications using Java (Spring Boot) and modern JS frameworks... 
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    Openkyber

    New Hampshire
    1 day ago
  • $96.8k - $223.4k

     ...Responsibilities: Design, implement, and maintain scalable software components and services that support AI/ML workloads. Build APIs, SDKs, and automation frameworks to streamline the adoption of Oracle AI Data Platform and Gen AI services. Optimize performance,... 
    Suggested
    Temporary work
    Flexible hours

    Oracle

    Concord, NH
    2 days ago
  •  ...Rocket.Chat, while enhancing IVR platforms with speech recognition and conversational AI integrations. You will build and expose APIs, microservices, and real-time data pipelines to enable seamless omni-channel customer interactions, and collaborate closely with platform... 
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    Fidelity Investments

    Merrimack, NH
    4 days ago
  • $107k - $216k

     ...supporting Quantitative Researchers and investment workflows Develop scalable backend services and intuitive frontend interfaces tailored...  ...standards Integrate with internal data platforms, APIs, and cloud infrastructure to deliver end-to-end features The... 
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    Work from home

    Fidelity Investments

    Merrimack, NH
    4 days ago
  •  ...looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/ Data Scientists, Machine...  ...programming • Spring boot, Microservices, Docker, Jenkins and REST API's experience • Excellent written and verbal communication... 
    Suggested
    H1b

    SynergisticIT

    Manchester, NH
    5 days ago
  • $79.2k - $178.1k

     ...documentation, and operations. We are seeking a Senior Software Developer (IC3) to design, develop, and operate backend services and...  ...Design and implement backend services and APIs used by Oracle Health product teams. Deliver features end... 
    Suggested
    Temporary work
    Visa sponsorship
    Flexible hours

    Oracle

    Concord, NH
    1 day ago
  •  ...JavaScript/TypeScript, Node, NPM, HTML/CSS, RxJS). Experience in API Design & Development and Microservices Architecture (Java, REST...  ...skills. Passionate and committed to learning new things and developing with the latest technologies and frameworks. Dexian stands... 
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    Worldwide

    Dexian DISYS

    Bedford, NH
    1 day ago
  • $218.03k - $256.5k

     ...led efforts to turn fragmented services and bespoke integrations into coherent, reusable platforms (e.g., shared frameworks, unified APIs, multi-tenant architectures). ~ Strong operational excellence: experience owning production reliability, leading high-severity... 
    Suggested
    Local area

    Coinbase

    Concord, NH
    10 hours ago
  • $218.03k - $256.5k

     ...enforcement to AI-powered guardrails. Own the core platform: the invariant definition framework, real-time detection engine, and the APIs and tooling that partner teams use to onboard and monitor their fund flows. Lead the AI guardrails workstream: predictive... 
    Local area

    Coinbase

    Concord, NH
    4 days ago
  • $252.8k - $297k

     ...adoption and ensuring secure compute interfaces meet the needs of developer‑centric users. What You Will Bring: 10+ years of experience in...  ...Kubernetes, container internals, and lower‑level systems. Understanding API governance frameworks and best practices for ensuring API... 
    Full time
    Remote work

    Confluent

    Concord, NH
    1 day ago
  • $80.6k - $194k

     ...Backend Developer (Golang / Java | Microservices) Category: Software Development/ Engineering Main location: United States,...  ...Golang and/or Java to build scalable, high-performance systems and APIs. This role is ideal for engineers who thrive in polyglot... 
    Full time
    Local area
    Worldwide

    CGI

    Merrimack, NH
    5 hours agonew
  • $87.6k - $153.3k

     ...SITE in Merrimack, NH. Your future duties and responsibilities: Design and develop multi-layered backend systems using Java, Spring Boot, and PL/SQL . Build RESTful APIs and microservices with a focus on scalability, performance, and maintainability .... 
    Full time
    Local area

    CGI

    Merrimack, NH
    2 days ago
  • $80.6k - $194k

     ...where you'll collaborate with product owners, architects, and developers to shape technical strategy, drive innovation, and deliver enterprise...  .... . Proven experience designing and developing RESTful APIs and multi-layered enterprise applications. . Strong command... 
    Full time
    Local area

    CGI

    Merrimack, NH
    4 hours agonew
  •  ...required, banking preferred Roles and Responsibilities : Design, develop, and maintain RESTful microservices using Java and Spring Boot Implement secure, performant, and scalable APIs Integrate with databases (SQL/NoSQL) and external systems Ensure... 
    Contract work
    Local area
    Flexible hours

    Openkyber

    New Hampshire
    3 days ago
  •  ...Role: Senior Windchill Developer Location: Milwaukee, WI (Onsite/Hybrid) Duration: 6 Months Rates: $55-65/hr Open Positions: 5 Experience...  ...Design and implement customizations using Java, JSP, REST APIs, and Windchill frameworks. Work closely with architects and... 

    Openkyber

    New Hampshire
    3 days ago
  •  ...Integration tool Technical skills ~12+ extensive experience in any Integration technology. ~ Experience in building Rest APIS, Message Queues, Pub sub etc. ~ Advance /Proficient in APIM application. ~ Experience in Camel Apache. ~ Additionally,... 
    3 days per week

    Openkyber

    New Hampshire
    3 days ago
  • $130k - $150k

     ...-mapping activities. We'll count on you to have technical discussions and creative brainstorms in pursuit of innovative mobile, web, API-driven, and AI-enabled banking products. Further, you'll have the opportunity to mentor and teach others on our team and within our company... 
    Temporary work
    Bank staff
    Work at office
    Local area
    Remote work
    3 days per week

    Nelnet

    Concord, NH
    2 days ago
  •  ...RESPONSIBILITIES: OpenKyber has a client that is seeking a FS 50 50 Java API Spring Boot Angular Durham, NC. REQUIREMENTS: Bachelor's degree in Computer Science, Information Systems, Engineering, or related field Strong development experience, building... 
    Hourly pay
    Contract work

    Openkyber

    New Hampshire
    3 days ago
  •  ...and Zip applications. This role requires a "keyboard-heavy" developer who thrives in Agile environments and can translate complex...  ...optional alternative Data Protocols: Advanced expertise in API management (REST/SOAP), Webhooks, and handling complex XML/JSON... 
    Remote work

    Openkyber

    New Hampshire
    1 day ago
  •  ...Job Description: We are seeking an experienced Integration Developer with strong expertise in building and managing APIs and healthcare data integrations. The ideal candidate should have hands-on experience with healthcare integration engines and standards, enabling... 

    Openkyber

    New Hampshire
    3 days ago
  •  ...This is a senior-level API Integration Architect role focused on Azure API Management (APIM) . The mandate is to design scalable, secure, and governed API ecosystems enabling enterprise-wide integrations (SAP, ERP, data platforms). Core pillars: API Engineering... 

    Openkyber

    New Hampshire
    1 day ago
  •  ...with Product, Marketing, Operations, Engineering and Data teams to develop detailed functional design specifications, outlining workflows...  ...SDK with well-defined event schemas Familiarity with Braze REST API for server-side event ingestion and user profile management... 
    Remote work

    Openkyber

    New Hampshire
    7 days ago
  •  ...degree in Computer Science or a related field Minimum 6+ years of experience in a web and application development role RESTful APIs, JAX-RS, REST/JSON patterns Solid experience with relational databases (DB2, Oracle, PostgreSQL) and strong SQL proficiency... 
    Hourly pay
    Contract work

    Openkyber

    New Hampshire
    1 day ago