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  • .NET Backend Engineer

     ...microservices-based systems using .NET 8. The role will design and deliver APIs, leverage Dapr and the actor pattern with Orleans, and integrate...  ...with team members to implement event sourcing patterns. Develop backend services using .NET 8. Work with ERP systems to... 
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    Eliassen Group

    Concord, NH
    1 day ago

  • Java Full stack Engineer

     ...Job Requirements Frontend Development: Design and develop interactive, responsive user interfaces using ReactJS and related libraries (e.g., Redux, React Router, or Context API). Implement reusable components and ensure clean, maintainable, and... 
    Suggested
    Full time
    Immediate start
    Relocation

    Jconnect Inc

    Portsmouth, NH
    2 days ago

  • Full Stack Engineer (Java Development / API testing)

     ...engineer to build, test, and engineer REST APIs for a data platform. The role requires...  ...0/hr. w2 Responsibilities: Design, develop, and maintain REST APIs using Java and Spring...  ...Java, Spring MVC/Core/Boot, and SOAP/REST web services. ~ Experience in UNIX and... 
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    Eliassen Group

    Merrimack, NH
    17 days ago

  • Software Engineer in Test - API / SQL

    $60 - $65 per hour

     ...Immediate need for a talented Software Engineer in Test - API / SQL. This is a 12+ months contract opportunity with long-term potential and is located in Merrimack, NH (Hybrid ). Please review the job description below and contact me ASAP if you are interested.... 
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    Pyramid Consulting

    Merrimack, NH
    2 days ago

  • Lead Java Back-End Engineer

    $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... 
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    Full time
    Local area

    CGI Technologies and Solutions, Inc.

    Merrimack, NH
    4 days ago

  • Data Scientist/Analyst/Java full stack developer

     ...looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/ Data Scientists, Machine...  ...• Spring boot, Microservices, Docker, Jenkins and REST API's experience • Excellent written and verbal communication skills... 
    Suggested
    Full time
    H1b
    Remote work

    SynergisticIT

    Keene, NH
    4 days ago

  • Full Stack Engineer -- PARDC5779350 (New Hampshire)

     ...Must haves: 50/50 full stack role. API dev with Java 17 primarily, spring, angular, JS...  ...Skills You Bring ~6+ years of experience developing enterprise solutions across multiple...  ...Framework/Spring Boot, Kafka, and modern web application technologies. ~ Solid experience... 
    Suggested
    Part time

    Compunnel Inc.

    New Hampshire
    9 days ago

  • Full Stack Developer

     ...Role Name: Full Stack Developer Location: Hanover JOB DESCRIPTION: Embark on a transformative journey as a Full Stack Engineer...  ...• Considerable experience building microservices using RESTful APIs, Spring Boot, Spring Security, OAut., and JWT, with a focus on... 
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    eTeam

    Hanover, NH
    4 days ago

  • Senior Java Full Stack Engineer (w/Angular 16+) - FTE/GC/EAD/Citizen Only (Onsite Hybrid)

     ...Springboot, middle tier restful services • 5+ years of Angular 16+ (must be Typescript) experience • 5+ years of experience with API/web services - with a strong understanding of RESTful web services. Preferred Skills: • Strong experience with Automation Tools/... 
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    Work at office
    Remote work
    Flexible hours

    NTT DATA Americas, Inc.

    Merrimack, NH
    3 hours ago

  • Senior API & XML Integration Specialist

     ...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
    1 day ago

  • Senior API Developer

     ...Senior API Developer Anywhere Type: Contract Category: Development Industry: Insurance Workplace Type: Remote Reference ID: JN -032026-106098 Date Posted: 03/23/2026 Shortcut: Description Recommended Jobs Description: Remote... 
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    Eliassen Group

    Concord, NH
    2 days ago

  • Sr .Net Engineer

     ...JOB DESCRIPTION : Job Requirements The team works with a range of technologies such as Asp.net Core, MVC, Web services, REST , Web API, JavaScript, JQuery. The team is also responsible for the monitoring, support, and maintenance of the solutions they... 
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    Full time
    Work experience placement
    Immediate start
    Relocation

    Jconnect Inc

    Portsmouth, NH
    2 days ago

  • .Net Developer

    $68k - $91k

     ...Overview Role: .Net Developer (2 openings) Salary: $68,000 - $91,000 (Depending on Experience...  ...and Designs into functional websites/web applications. Design, develop, and...  ...Required Skills: .NET with React: Advanced API Programming: Advanced Git Version... 
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    Full time
    Remote work

    Cayuse Holdings

    Concord, NH
    1 day ago

  • Digital Solutions Developer | Full Time | Day

     ...Director of Digital Automation, the Digital Solutions Developer is responsible for designing, constructing, and maintaining...  ...and Visual Studio. ~ Experience developing web and/or service-based applications (APIs, web apps, background services, or integration utilities... 
    Suggested
    Full time

    Concord Hospital

    Concord, NH
    2 days ago

  • Java API Gateway Developer

     ...Hi, Hope you are doing well Please find the job description below and let me know your interest. Position: API Platform Architect (Kong Gateway & Konnect) Location: Onsite- Atlanta, GA (Relocation; OK) Duration: 6+ Months Job Description We... 
    Suggested
    Relocation

    Openkyber

    New Hampshire
    5 hours ago

  • Java API Gateway Developer

     ...Our client is looking for a Sr. Java Developer to play a hands-on senior technologist/lead role in the analysis, technical design, development...  ...~4+ years - PL/SQL stored procedures ~4+ years - API development ~4+ years - Microservices ~4+ years - Webservices... 
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    H1b
    Remote work
    Relocation
    Work visa

    Openkyber

    New Hampshire
    5 hours ago

  • React.JS Developer (UI Developer) - Long-Term Contract - Onsite (Concord, NH)

     ...React.JS Developer (UI Developer) - Long-Term Contract - Onsite (Concord, NH) ~ UI development experience in React JS and Redux and...  ...~ Knowledge of modern authorization mechanisms, such as JSON Web Token. ~ Familiarity with modern front-end build pipelines... 
    Long term contract

    Right Skale, Inc.

    Concord, NH
    1 day ago

  • Java Software Engineer

     ...experience (currently hands on) in Java, Spring MVC / Spring Boot / Web Services (REST) and configuring web containers. Ability to...  ...environment and perform troubleshooting. Deliver API Platform capabilities such as envoy Edge SaaS, Microgateway, JWT,... 
    Worldwide

    Dexian

    Bedford, NH
    2 days ago

  • Wordpress Developer | Work Expierence & Volunteer

    We're looking for a volunteer to manage some Wordpress sites. This would be doing things like updating clients websites, building our new website and managing tracking logs for edit requests. About us: We are a 100% volunteer nonprofit that does work such as electronic...

    LECLAIR FOUNDATION FOR TECHNOLOGY

    Rochester, NH
    1 day ago

  • Database Engineer

     .... It is a pure data engineer (not ETL developer) more of an Engineer with heavy PL/SQL and...  ..., designing and implementation of data APIs and performance tuning. Expertise writing...  ...like Java, messaging technologies, web container and understanding how they interact... 

    Anveta

    Merrimack, NH
    1 day ago

  • Senior Java Software Engineer

    $83.43k - $222.48k

     ...Java Software Development Engineer, you will play a crucial role within a collaborative team and will design, develop, and maintain backend services and APIs while also ensuring that releases are well-coordinated, fully prepared, and successfully deployed to production... 
    Hourly pay
    Full time
    Temporary work
    Local area

    CVS Health

    Concord, NH
    5 days ago

  • Senior Software Engineer (Java, DevOps)

     ...Institutional Technology (FIT). You will work as part of a team building integration using multiple technical formats (may include APIs, file-based, Snowflake shares) and database work in support of FI's research publishing function under FIWA. Your experience, skills... 
    Hourly pay
    Full time
    Temporary work
    Work at office

    Fidelity TalentSource

    Merrimack, NH
    5 days ago

  • SalesForce Developer

     ...Job TitleSalesForce Developer LocationMerrimack, NH Primary SkillsSalesforce Job Description...  ...(e.g. Flows) and pro code (Apex and Lightning Web Components) capabilities. Proficiency in Salesforce APIs, Integration Patters, Triggers and Governor limits... 

    h3 Technologies

    Merrimack, NH
    2 days ago

  • Salesforce Developer - SFMC

     ...Role: Salesforce Developer with Marketing Cloud Location: Orange, CA ~8+...  ...configuration, customization, programming with APEX APIs, APEX Triggers, and implementing new...  ...experience in Force.com Migration Tool, Web Services/SOA & Metadata APIs. Have... 

    Procyon TS

    Orange, NH
    2 days ago

  • Salesforce Developer

     ...with 7+ in Salesforce. ~ Salesforce Platform Developer 1 & 2 required. ~ Expertise building...  ...capabilities. ~ Highly proficient in Lightning Web Components and JavaScript skills. ~ Proficiency in Salesforce APIs, Integration Patters, Triggers and Governor limits... 

    Fidelity TalentSource

    Merrimack, NH
    1 day ago

  • Salesforce Developer

     ...We're looking for ambitious Salesforce Developers ready to work at the intersection of scalable...  ...interfaces, automation frameworks, API integrations, and high‑quality engineering...  ...develop, and test Apex classes, Lightning Web Components, Flows, and platform automations... 

    DEKA Research & Development

    Manchester, NH
    2 days ago

  • Sr. Salesforce Developer

     ...Position Summary The Sr. Salesforce Developer collaborates with a talented software engineering...  ..., Visualforce, Aura, and Lightning Web Components, adhering to Salesforce development...  ...integrations using MuleSoft, including API-led architecture, system/process/experience... 
    Work experience placement
    Work at office
    Remote work

    ISC2

    Concord, NH
    2 days ago

  • Salesforce Developer

     ...Salesforce Developer Merrimack, NH Type: Contract Category: Development Industry...  ...with a strong emphasis on Lightning Web Components (LWC) and modern Salesforce development...  ...ecosystem Leverage Salesforce APIs and established integration patterns to... 
    Hourly pay
    Contract work
    Work at office
    Local area

    Eliassen Group

    Merrimack, NH
    1 day ago

  • Java API Integration Engineer

     ...IBM App Connect Enterprise (ACE) and MuleSoft. The Client seeks a highly technical resources to serve as a Data Integration, API and ETL developer for creating real-time, on-demand, batch and scheduled data interfaces and processing between systems and applications, both... 
    Contract work

    Openkyber

    New Hampshire
    5 hours ago

  • Senior API Migration Engineer (REST APIs - Cloud Migration)

     ...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:... 
    Hourly pay
    Contract work
    Local area
    Remote work

    Eliassen Group

    Concord, NH
    23 hours ago