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

    $100k - $167.5k

     ...highly technical role and spans XML messaging, Charles River web services API, ETL tool usage, Java and/or C# programming, and database administration...  ...initiatives, potentially on multiple tasks simultaneously.Develop with a result-driven approach while maintaining tight... 
    Suggested
    Full time
    Temporary work
    Work at office
    Remote work
    Flexible hours

    State Street Bank

    Boston, MA
    5 days ago

  • Must be in Boston // Full stack .NET Developer

     ...120k - $140kHi there! This role is looking for a C#/.NET developer in the Boston Downtown Crossing area. It will require 3 days...  ...AWS or Azure Background building distributed systems, APIs, and highly available web applications Understanding of application performance, scalability... 
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    Work at office
    3 days per week

    Motion Recruitment

    Boston, MA
    1 day ago

  • Braid Frontend Engineer

    $90k - $135k

     ...directly from Figma, own features from Angular component to Python API endpoint, and build data-dense, enterprise-grade interfaces that...  ...; maintain confidence through the CI pipelineOptimize for Core Web Vitals and application performance — lazy loading, OnPush change... 
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    Full time
    Local area
    Home office

    Brown Brothers Harriman

    Boston, MA
    2 days ago

  • Frontend Engineer (Defense)

     ...React, Redux, Mapbox, and Typescript with everything from database models to APIs.What We Value:Proficiency in JavaScript/TypeScript, React, and CSS.Experience building complex, map-based web applications with Mapbox, Maplibre, or Google Maps, with a focus on real-time... 
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    Air space Intelligence

    Boston, MA
    5 days ago

  • Front-End Engineer

     ...development experience on customer facing web applications in Angular 8+, Typescript,...  ...technologies like Angular, Nodejs, and REST APIs using Java or NodeJS. You will be...  ...innovative, eager to learn every day ~ Scrum Developer certification is a plus ~ Understanding... 
    Suggested
    Remote work
    3 days per week

    Software Technology Inc

    Boston, MA
    4 days ago

  • Senior Frontend Engineer

     ...product. What You'll Do Architect and build performant web interfaces for our AI-native cloud platform. Set frontend technical...  ...TypeScript. ~ Strong experience with frontend architecture, APIs, and performance optimization. ~ Familiarity with cloud-based... 
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    Seven AI

    Boston, MA
    2 days ago

  • Staff Front End Software Engineer

    $146.6k - $195.5k

     ...help shape the future of our e-commerce codebase by focusing on developer experience and long-term engineering vision by:Building...  ...designing and implementing backend services with REST and GraphQL APIs using frameworks like NestJS or Express.jsKnowledge of SQL including... 
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    Work at office

    SimpliSafe

    Boston, MA
    4 days ago

  • Principal Software Engineer - Frontend, Developer Experience

     ...data volumes and associated costs by 84% on average while saving developers thousands of hours. Recognized as a leader by major analyst...  ...the organization to evolve the architecture powering our UIs and APIs (TypeScript, React, GraphQL, NodeJS).Work closely with talented... 
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    Full time
    Remote work
    Flexible hours

    Palo Alto Networks

    Boston, MA
    5 days ago

  • Senior Backend Developer - Kotlin/Java/SaaS

     ...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... 
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    Full time

    Motion Recruitment

    Boston, MA
    3 days ago

  • Front-End Software Engineer

     ...system for applications. What You'll Do: Design and develop UI Components using ReactJS & frontend technologies focusing on...  ...and coding standards. Create, enhance or integrate APIs using ReactJs and Java. Participate in on-call rotations... 
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    Work experience placement

    Brains Technology Solutions, Inc.

    Boston, MA
    2 days ago

  • API Security Engineer

    $145.9k - $234.2k

     ...will help design, implement, and mature Moderna’s approach to API security across modern applications, platform services, and AI-...  ...requirements. AccommodationsWe’re focused on attracting, retaining, developing, and advancing our employees. By cultivating a workplace that... 
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    Permanent employment
    Full time
    Work at office
    Work from home

    Moderna Therapeutics

    Cambridge, MA
    1 day ago

  • Frontend Engineer (Civil Aviation)

     ...React, Redux, Mapbox, and TypeScript, with everything from database models to APIs.What We Value:Proficiency in JavaScript/TypeScript, React, and CSS.Experience building complex, map-based web applications with Mapbox, Maplibre, or Google Maps, with a focus on real-time... 
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    Air space Intelligence

    Boston, MA
    2 days ago

  • Portfolio Accounting API - Software Engineer

     ...React (working knowledge; lightweight UI / operational screens)Microservices with Event streaming & messaging (Kafka / Azure Event Hubs)API design (REST and messaging contracts, schema & versioning)Relational data modeling (PostgreSQL)Cloud Native Services - ideally... 
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    The Ceres Group

    Boston, MA
    2 days ago

  • Senior Web Developer

    $95k - $245k

     ...information about Draper, visit .Job Description Summary:The Senior Web Developer is responsible for creating visually appealing, user-friendly...  ...Microsoft Teams. Understanding of Microsoft Graph AP and REST API principles to securely connect and manipulate SharePoint data.... 
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    Full time
    Local area
    3 days per week

    Draper Laboratory

    Cambridge, MA
    5 days ago

  • Lead Front-End Engineer

     ...to help drive development of our products' Web and Mobile interfaces. As a part of the...  ...member of the development team to get products developed and completed with best in class software...  ...management Experience with RESTful API integration Proficiency with HTML5 and... 
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    Roberts Recruiting

    Boston, MA
    4 days ago

  • Software Engineer II (Backend, Growth)

     ...RESPONSIBILITIES:Collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services.Build, maintain, and optimize APIs and infrastructure supporting our acquisition funnels, e-commerce experiences, and membership... 

    WHOOP

    Boston, MA
    3 days ago

  • Senior Software Engineer, Backend

    $119k - $150k

     ...Python frameworks and technologies, such as Django, FastAPI, Flask, SQLAlchemy.Experience maintaining, building, and optimizing REST APIs.Experience with cloud computing environments (E.g., AWS)Excellent communication skills in English - both written and spoken.... 
    Full time
    Flexible hours

    Bit Sight

    Boston, MA
    5 days ago

  • Software Engineer II (Backend, AI Experiences & AI Platform)

    $125k - $175k

     ...Engineer II, you will build on WHOOP’s generative AI capabilities to develop and maintain exciting, member-facing features that drive...  ...development, working on large-scale software systems and RESTful API designExperience in relational database design and development (... 
    Full time
    Work at office
    Relocation

    WHOOP

    Boston, MA
    3 days ago

  • Software Engineer II- Full-stack Developer

    $95.6k - $188.4k

     ...ends on 11/30/26. Work You’ll Do You are a hands-on full-stack developer who builds, tests, and ships reliable software as part of an agile...  ...peers.Develop and maintain back-end microservices and scalable APIs; implement CI/CD pipelines, containerized workloads, and... 
    Local area
    Visa sponsorship
    Flexible hours

    Deloitte

    Boston, MA
    4 days ago

  • Senior Full-Stack Software Engineer

    $96.6k - $179.4k

     ...our technology team, you will mentor agile engineering squads to develop and deliver transformative and impactful digital solutions to...  ...or integrating AI agents and agentic workflows that use tools, APIs, enterprise data, or retrieval-augmented generationFamiliarity with... 
    Full time
    Temporary work
    Local area
    Flexible hours

    John Hancock

    Boston, MA
    2 days ago

  • Senior Software Engineer, Backend

    $127.5k - $195.5k

     ...looking for a backend focused Senior Software Engineer to join our Integrations team. You will design, build, and maintain critical APIs and data pipelines that enable seamless clinical workflows and real-time data exchange across external systems and our core product.... 
    Local area
    Relocation package

    PathAI

    Boston, MA
    3 days ago

  • Full Stack Software Engineer

    $90k - $180k

     ...team of scientists, engineers, and software developers to deliver best-in-class technical...  ...services.Responsibilities:Develop and maintain web applications hosted on cloud...  ...page UIs from design documentsWrite backend APIs that interact with cloud servicesWork closely... 
    Full time

    MORSE Corp

    Somerville, MA
    4 days ago

  • Senior Software Engineer - AI/Backend

     ...capabilities into customer-facing applications. Key Responsibilities Design, develop, and optimize backend services that support AI and LLM-powered workflows. Build and maintain scalable APIs and microservices using Java and modern backend frameworks. Integrate AI and... 

    Motion Recruitment

    Boston, MA
    5 days ago

  • Senior Software Engineer (Backend)

    $108k - $186k

     ...and evaluated results, with PHI handled correctly at every step. Build and extend EHR integrations, starting with athenahealth’s FHIR APIs, across new EHRs, data formats, and partner environments. Build AI-assisted tooling, together with our data scientists, that makes... 
    Flexible hours

    Seres Therapeutics

    Somerville, MA
    1 day ago

  • Software Engineer II (Backend, Health Records)

     ...pipelines to clean, normalize, and structure health record data for reliable downstream consumptionDevelop and maintain secure, scalable APIs and services that expose health record data to internal systems and member-facing featuresApply best practices for data privacy,... 

    WHOOP

    Boston, MA
    3 days ago

  • Lead Full Stack Salesforce Developer, Executive Education

    $104.4k

    Posting Description LEAD SALESFORCE FULL STACK DEVELOPER, EXECUTIVE EDUCATION, MIT Sloan Executive...  ...technical expertise with Apex, Lightning Web Components (LWC), Flows, and Salesforce...  ...with Salesforce integrations using APIs and middleware (e.g., MuleSoft); familiarity... 
    Full time
    Visa sponsorship

    Massachusetts Institute of Technology

    Somerville, MA
    2 days ago

  • Full Stack Engineer (Defense)

     ...of air operations and build new user-facing features in React, Redux, Mapbox, and Typescript with everything from database models to APIs.What We Value:Proficiency in Python, JavaScript, and Typescript.Experience w/ building infrastructure in AWS, Kubernetes, Docker,... 

    Air space Intelligence

    Boston, MA
    5 days ago

  • Senior Full Stack Developer

    $122.85k

    Posting Description SENIOR FULL STACK DEVELOPER, The Massachusetts Green High Performance Computing Center (MGHPCC), to help design, build...  ...React; and experience designing and integrating REST or gRPC APIs, working with databases, and using Git in team environments. PREFERRED... 
    Full time
    Visa sponsorship

    Massachusetts Institute of Technology

    Somerville, MA
    5 days ago

  • Full Stack Agentic Developer

    $150k - $230k

     ...OverviewCharles River Associates is seeking a Full Stack Agentic Developer to help build and evolve a web-based AI platform that enables experts to translate...  ...application layer and the agent layer: user experience, APIs, session and file workflows, real-time streaming, custom... 
    Work at office
    Local area
    Remote work
    Work from home
    3 days per week

    CRA International

    Boston, MA
    3 days ago

  • Senior Full Stack Engineer

    $126k - $154k

     ...a unique hybrid role. This is a hands-on developer position for an expert who also possesses...  ...and reusable automation frameworks for UI, API, and mobile testing.Be a hands-on developer...  ...maintaining automated test frameworks for web and mobile applications (e.g., using tools... 
    Full time
    Work at office
    Flexible hours
    Shift work

    Blue Cross and Blue Shield Association

    Boston, MA
    5 days ago