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  • $84.63k - $112.84k

     ...connect the world and shape the future. The Role The Senior Software Developer is a hands-on role that contributes to translating product...  ...complex and multi-tiered integration architecture between UIs, APIs, CI/CD pipelines, subsystems, and databases in non-... 
    Senior
    Temporary work
    Work from home

    Lumen

    Cambridge, MA
    4 days ago
  •  ...engineering platform and open source frameworks developers need to ship reliable agents fast. Our...  ...About the role LangChain is hiring a Senior Fullstack Engineer to build the...  ...experiments Comfortable working with REST APIs, Postgres, Redis, and modern backend... 
    Senior
    Worldwide
    Flexible hours

    LangChain

    Boston, MA
    1 day ago
  •  ...experience. The Role We’re looking for a Senior Full Stack Software Engineer with excellent...  ...UI patterns, testing strategy, and developer workflow. The foundations of our front-end applications and back-end APIs, plus end-to-end features from discovery through... 
    Senior

    Tulea Health

    Boston, MA
    1 day ago
  • $84.63k - $112.84k

     ...connect the world and shape the future. The Role As a Senior Software Developer at Lumen, you will leverage cutting-edge technologies to...  .... Python or GoLang is a plus. Build scalable and secure APIs and MicroApps for integration within complex systems. Collaborate... 
    Senior
    Permanent employment
    Full time
    Temporary work
    Remote work
    Work from home

    Lumen

    Cambridge, MA
    1 day ago
  •  ...tuning to continuous integration. Collaborate with product & AI teams to embed verified, AI-generated algorithms directly into a developer SDK for extending the platform. Prototype quickly, iterate faster: deliver usable capability to government end-users in weeks,... 
    Senior
    Relocation package
    Flexible hours

    Code Metal, Inc.

    Boston, MA
    6 hours ago
  •  ...Statistics, Mathematics, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Senior Quantitative Developer (or closely related occupation) developing software solutions (risk management, portfolio construction, performance... 
    Senior

    Soteria Reinsurance Ltd.

    Boston, MA
    2 days ago
  • $87k - $178.1k

     ...Oracle Payroll Consultant As a senior contributor within the Oracle Payroll practice, this consulting position provides consistent high quality and innovative solutions as part of a project team. You will participate in the solution design and implementation aspects... 
    Senior
    Temporary work
    Flexible hours

    Boston Staffing

    Boston, MA
    3 days ago
  • $160k - $225k

    Help lead real estate deals in paradise — sunshine, big transactions, and zero state income tax. This Jobot Job is hosted by: Hunter Dahlstrom Are you a fit? Easy Apply now by clicking the "Apply" button and sending us your resume. Salary: $160,000 - $225,000 per year ...
    Senior
    Part time
    Work at office
    Local area
    Relocation
    Relocation package
    Flexible hours

    Jobot

    Boston, MA
    2 days ago
  • $130k - $200k

     ...company in legal proceedings, including litigation and arbitration. Collaborate with other departments to identify legal risks and develop risk management strategies. Stay up-to-date with developments in oil and gas law and industry trends. Provide training to... 
    Senior
    Part time
    Local area
    Remote work

    Jobot

    Boston, MA
    2 days ago
  • $160k - $190k

     ...Our client is looking to hire a senior level AWS DevOps Engineer! 100% remote This Jobot Job is hosted by: Nick Frei Are you a...  ...will be part of a dynamic team that is responsible for designing, developing, and maintaining our tech services infrastructure. This role... 
    Senior
    Part time
    Local area
    Remote work

    Jobot

    Boston, MA
    2 days ago
  • $47 per hour

    Kforce has a client in need of a API Developer in Boston, MA. Key Responsibilities: * Design, develop, and maintain RESTful APIs using Java 8+ and Spring Boot * Build and enhance microservices that consume and process JSON payloads from multiple external agencies * Implement... 
    Suggested
    Contract work
    Boston, MA
    11 days ago
  • $104.38k - $125k

     ...Job Title: Senior Web Application Developer  Department: Information Technology  Reports To: Development Lead  FLSA: Exempt  Grade: 13...  ...ASP.NET MVC and Core frameworks and Web Services/Restful APIs using Visual Studio 2019/2022 above, including application... 
    Senior
    Full time

    Massachusetts School Building Authority

    Boston, MA
    2 hours agonew
  •  ...and deployment to embedded systems. As a Senior Software Engineer in Agentic AI, you will...  ...Three or more years of experience developing Generative AI pipelines Proficiency with...  ...LangGraph Experience with standard AI API frameworks such as Chat Completion or Harmony... 
    Senior
    Remote job
    Full time
    Relocation package
    Flexible hours

    Code Metal

    Boston, MA
    6 hours ago
  •  ...smarter business decisions. As we scale, we’re looking to add a senior software engineer to our application platform team. Senior...  ...customers. What You’ll Do: Design, build, and maintain APIs, services, and core systems that power CloudZero’s application platform... 
    Senior
    Permanent employment
    Full time
    Immediate start
    Visa sponsorship
    Work visa

    Cloudzero

    Boston, MA
    6 hours ago
  • $150k - $200k

     ...hatch I.T. is partnering with VIA to find a Senior Software Developer, Cryptography. See details below: About the Role: An impressive...  ...environment Integrate VIA's backend microservices and secure APIs into the mobile application logic Serve as a subject... 
    Senior
    Full time

    Hatch It

    Somerville, MA
    6 hours ago
  • $154k - $216k

     ...are seeking an experienced and pragmatic Senior Software Engineer to build and evolve the...  ...powers machine learning at Generate. You will develop reliable, scalable, and observable...  ...models autonomously. Implement and evolve APIs and microservices with the cloud... 
    Senior
    Full time
    Shift work
    3 days per week

    Generate Biomedicines

    Somerville, MA
    6 hours ago
  •  ...build it with us. Your Impact:  As a Senior Shopify Engineer at Formlabs, you will...  ...time position. The Job: Architect, develop, configure, and customize the back-end Shopify...  ...Functions & Extensions, and Shopify APIs. (This is not a front-end Shopify role.)... 
    Senior
    Full time
    Work at office
    Worldwide
    Flexible hours

    Formlabs

    Somerville, MA
    6 hours ago
  • $180k - $220k

     ...Layer Health’s internal and customer facing applications. You can expect to: Design, build, and maintain scalable and performant APIs and web applications. Speak with customers to understand their needs and design solutions to address them. Collaborate on a... 
    Senior
    Work at office
    2 days per week
    3 days per week

    Layer Health

    Boston, MA
    more than 2 months ago
  • $136k - $200k

     ...empowering all users and identities, including workforce, IT, developers and machines, to securely access any resource, located anywhere...  ...Deep understanding of modern SaaS architectures, including API design, cloud-native deployment, scalability, reliability, and... 
    Senior
    Full time
    Work visa

    CyberArk

    Newton, MA
    9 days ago
  • $150k - $200k

     ...hatch I.T. is partnering with VIA to find a Senior Software Developer, Cryptography. See details below: About the Role: An impressive...  ...trust, and observability ~ Experience developing RESTful APIs (e.g., FastAPI) secured by OAuth2/Auth ~ Experience integrating... 
    Senior
    Full time

    Hatch It

    Somerville, MA
    6 hours ago
  •  ...hatch I.T. is partnering with Via to find a Senior Software Developer. See details below: About the Role: An impressive mission requires...  ...cryptography techniques, including: ~ Developing RESTful APIs (using frameworks such as FastAPI) secured by OAuth2/Auth... 
    Senior
    Full time

    Hatch It

    Boston, MA
    6 hours ago
  •  ...Senior Software Engineer - FinTech We are looking for a versatile generalist who thrives on a high degree of personal responsibility....  ...Doing As a member of our platform team, you’ll dive into our UI, API and back end to make financial portfolio management scalable and... 
    Senior
    Full time
    Work at office
    2 days per week

    Smartleaf

    Boston, MA
    6 hours ago
  •  ...its three proprietary foundation blocks developed from years of MIT research - aiMatch, for...  ...Labs is seeking a dynamic and passionate Senior Front End Software Engineer with strong software...  ...~ Experience using/consuming REST APIs with an advanced understanding of client-... 
    Senior
    Full time

    Ikigai Labs

    Cambridge, MA
    6 hours ago
  •  ...into new markets, we are looking for a passionate Sr. Frontend Developer to join our talented team. About the Role As a Sr. Software...  ...architecture patterns, state management solutions (Redux, Zustand, Context API, or similar), and component design. ~ Experience with... 
    Senior
    Full time
    Work from home

    C the Signs

    Boston, MA
    23 days ago
  • $150k - $180k

     ...you.  The Role  We are looking for a Senior Software Engineer who thrives in a high growth...  ...mobile apps, web applications, and APIs that make high-quality health benefits and...  ...care accessible and engaging for members  Develop and refine agentic workflows using... 
    Senior
    Full time
    Work at office
    Remote work

    Firefly Health

    Watertown, MA
    a month ago
  • $130k - $180k

     ...AlleyCorp, and SV Angel. The role... As a Senior Software Engineer at Pearl Health, you...  ...our technology stack, designing and developing robust services and applications that enable...  ...performance, reliable data pipelines and APIs to support real-time and batch data... 
    Senior
    Remote job
    Full time

    Pearl Health

    Boston, MA
    more than 2 months ago
  •  ...About the Role Klaviyo is looking for a Senior Full Stack Engineer to support key...  ...technologies. You’ll improve existing products and develop new capabilities that push the boundaries...  ...flows are performing. We also manage APIs that integrate with other services,... 
    Senior
    Full time

    Klaviyo

    Boston, MA
    6 hours ago
  •  ...join Invicti’s newly formed AI team as a Senior Software Engineer, Agentic AI, and play a...  ...to integrations with security tools and developer workflows. You collaborate closely with product...  ...~ Understanding of distributed systems, API design, and cloud-native architectures... 
    Senior
    Full time
    Flexible hours

    Invicti Security

    Boston, MA
    19 days ago
  •  ...market with our innovative solutions. About the Role: As a Senior Full-Stack Engineer at Cyvl, you will play a leading role in...  ...leans front-end, you'll be expected to contribute to and maintain APIs, and services across our backend, in both containerized and serverless... 
    Senior

    Cyvl.ai

    Boston, MA
    more than 2 months ago
  •  ...Strong experience with AWS services, how to stand up infrastructure, and monitor for defects. ~ Hands-on experience with building REST APIs, GraphQL, and other middleware development tools. ~ You’ve already experimented with AI in work or personal projects, and you’re... 
    Senior
    Full time
    Immediate start

    Klaviyo

    Boston, MA
    6 hours ago