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  • Frontend Engineer — Secure Open-Source UI

     ...design and decisions in a small, nimble team. * Build on a modern open source stack using modern development practices - learn about new...  ...flow like development workflow Peer-reviewed before merged into develop Cut releases into master Daily standup is at 10 AM. 1. Phone... 
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    Work at office
    Flexible hours

    Roberts Recruiting, LLC

    Cambridge, MA
    1 day ago

  • Lead Open Source Developer - TypeScript/Node/Angular/React/.NET

    Boston, MAHybridFull Time$160k - $190kJob Description We are seeking a Lead Open Source Software Engineer to provide technical leadership across a growing suite of open source products and platforms. This role combines hands-on software engineering with leadership responsibilities... 
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    Full time

    Motion Recruitment

    Boston, MA
    1 day ago

  • Senior Open Source Developer - TypeScript/Node/Angular/React/.NET

     ...MAHybridFull Time$140k - $180kJob Description We are seeking a Senior Open Source Software Engineer to join a growing engineering organization...  ...contribute to the development of highly scalable platforms, developer tools, and cloud-native applications used by customers and... 
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    Full time

    Motion Recruitment

    Boston, MA
    1 day ago

  • Senior SW Developer- Open Source, Java

     ..., and OO Design.Strong knowledge of concurrency and experience developing multithreaded applications.Experience with a variety of Operating...  ....Test Driven Development preferred.SVN, Git or comparable source control system.Experience developing distributed systemsExperience... 
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    Flexible hours
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    Roberts Recruiting

    Cambridge, MA
    2 days ago

  • Co‑op Software Engineer: Build Open‑Source & Cloud Platform

    Subconscious Systems Technologies, Inc. in Cambridge, MA is seeking a full-time software engineering co-op to split time between our cloud platform, CLI, and inference platform, delivering demos and evaluations of our API weekly. You will own large projects, ship code weekly...
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    Full time

    Subconscious Systems Technologies, Inc.

    Cambridge, MA
    1 day ago

  • Open Source Software Engineer Intern Global Teams

    Red Hat is seeking Software Engineering interns to join in Boston, MA; Lowell, MA; Raleigh, NC; Durham, NC. You will work with a senior mentor and a broad international team, gaining exposure to Python, Golang, and various Red Hat technologies while contributing to multiple...
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    Internship
    Flexible hours

    Red Hat

    Boston, MA
    3 days ago

  • Junior Solution Architect: Open Source Trailblazer

     ...You will learn the Red Hat portfolio, work with mentors, and develop technical skills across Cloud, Automation and AI while engaging...  ...office work are possible. Strong English communication and passion for open source are essential for growth in this role. #J-18808-Ljbffr... 
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    Red Hat

    Boston, MA
    1 day ago

  • Research Engineer: AI Agents & Open-Source Models

     ...and agents to build software and complex systems — including for open-ended scientific questions, not just engineering ones. You'll...  ...and maintain our infrastructure Self-host and evaluate open-source models, and write the harnesses, tooling, and scaffolding that make... 
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    Visa sponsorship
    Shift work

    Dayhoff Labs

    Cambridge, MA
    4 days ago

  • Lead Open Software Systems Engineer

    $174k - $225k

     ...transition of algorithms from concept to real-time software, providing open architecture expertise, and facilitating integration of...  ...expertise in Model Based Systems Engineering (MBSE) to help design, develop, implement, test, and maintain real-time software that controls... 
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    Full time
    Local area
    Night shift

    STR

    Boston, MA
    5 days ago

  • Software Engineer Intern, Backend (Summer 2027 - SF)

    $52 - $58 per hour

     ...transportation Ability to thrive in a startup environment Experience with real-time technology problems Contributions to open source projects Experience working with databases Experience solving real-time technology problems Experience with mobile... 
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    Full time
    Work experience placement
    Summer work
    Internship
    Summer internship
    Work at office
    Local area
    Immediate start
    Work from home
    3 days per week

    Lyft

    Boston, MA
    1 day ago

  • Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)

    $170k - $235k

     ...We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating,... 
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    Fdetimes

    Boston, MA
    2 days ago

  • Lead Engineer - Observability Platform

    $106.61k - $284.28k

     ...put your engineering skills to use shaping the future of developer platforms for software engineers at Fortune 6 scale.The CVS...  ...public cloud providers and datacenters. You will leverage open standards, open source technologies, and in-house custom software to extend and create... 
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    Oak St. Health

    Boston, MA
    4 days ago

  • Senior Fullstack Engineer, AI Observability & Evals Platform

    $175k - $240k

     ...We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating,... 
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    Langchain

    Boston, MA
    3 days ago

  • Platform Engineer: AI-Driven Physics Discovery

     ...surface, customer engagement, or product. Vague applications get vague responses. If you have a portfolio, prior publications, open-source contributions, or shipped systems we can look at, include them. We weight evidence over credentials. We review general... 
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    Immediate start
    Remote work

    Physical Superintelligence

    Boston, MA
    2 days ago

  • Lead Software Engineer (Data Platform)

     ...with Application Programming Interfaces (API) / microservices / Service-Oriented Architecture (SOA). Experience developing code as part of an open-source project. Experience in public sector, transportation agency, and/or civic technology team. Familiarity with... 
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    Massachusetts Bay Transportation Authority

    Boston, MA
    5 days ago

  • .NET Developer

     ....NET Developer Anywhere Type: Contract-to-Hire Category: Development Industry: Manufacturing Workplace Type: Remote Standard Hours: Open Reference ID: JN -102026-109023 Date Posted: 10/11/2026 Shortcut...  ...-driven architecture, event sourcing, messaging architectures, event... 
    Hourly pay
    Contract work
    Local area
    Remote work

    Eliassen Group

    Boston, MA
    3 days ago

  • .Net Developer

     ...Senior Software EngineerPeraton has an opening for a Senior Software Engineer to join our...  ...written communication skillsAbility to design, develop, test, support, maintain and debug...  ...install, document, and maintainMaintain a source control and inventory system to ensure proper... 
    Contract work
    3 days per week

    Software Technology Inc

    Boston, MA
    2 days ago

  • Senior Engineer (Platform)

    $125k - $205k

     ...mindset. Leadership Mentor and develop junior engineers through coaching, pairing...  ...data from trusted third-party compensation sources to help us understand the market value of...  ..., WA. For select positions, we are open to hiring fully remote candidates. We post... 
    Permanent employment
    Local area
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    Later

    Boston, MA
    2 days ago

  • Senior Mobile App Engineer (React Native)

    $150k - $190k

     ...devices, EEG, or wearables. ~ Worked on apps for clinical trials, patients, or another regulated environment. ~ Contributed to open source mobile or React Native projects. The salary range for this role is $150,000 – $190,000. Salary ranges are determined using... 
    For contractors
    Work experience placement
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    Remote work

    Beacon Biosignals

    Boston, MA
    2 days ago

  • Business Intelligence Solution Developer

    $90k - $110k

     ...OverviewThe Business Intelligence (BI) Solution Developer serves as a key member of the Measurement...  ...Primary ResponsibilitiesData Ingestion & Source ManagementCoordinate the onboarding of...  ...additional flexibility, we welcome an open conversation with your recruiter and our... 
    Work experience placement
    Work at office
    Local area
    Remote work
    2 days per week

    Real Chemistry

    Boston, MA
    4 days ago

  • Director, Platform Engineering

    $200k - $210k

     ...add individuals who seek a collaborative, open-door culture that values diversity and...  ...dedicated to web-based interfacesExperience developing distributed systems that make use of...  ...processes, with a focus on CI/CD, automation, source control strategy, environment management,... 
    Full time
    Work at office
    Local area
    Remote work
    1 day per week

    HarbourVest Partners

    Boston, MA
    4 days ago

  • . Net Developer

     ...significant constraints and pressures from various sources. We have the knowledge, experience and...  ...of our clients and partners through open communication and collaboration.• To...  ...Foundation 2012 • SQL Server 2005 and 2008 developer level understanding • SQL Server Management... 

    Xinnovit

    Boston, MA
    1 day ago

  • Senior Software Engineer, AI Platform

    $191k - $253k

     ...Senior Software Engineer, Developer PlatformBoston, Massachusetts, United StatesAnduril Industries is a defense technology company with...  ..., adverse media, public-record information, and other lawful open-source or commercial data sources. This third-party service provider... 
    Full time
    Work experience placement
    Immediate start

    anduril

    Boston, MA
    2 days ago

  • Engineer III - Platform Data Engineer (Remote)

    $120k - $180k

     ...platform security, access controls, and compliance standards Develop and maintain data models using DBT and catalog assets within...  ...Experience with cybersecurity data Contributions to open-source projects Knowledge of machine learning pipelines #LI-LY1... 
    Permanent employment
    Full time
    Work experience placement
    Work at office
    Local area
    Remote work

    CrowdStrike

    Boston, MA
    3 days ago

  • Confluent - Senior Software Engineer - Cloud Compute Platform

     ...technologies, partners, and industries to design, develop, and deliver solutions that power digital...  ...enabling real-time data, from multiple sources, to constantly stream across the...  ...are growth minded, always staying curious, open to feedback and learning new information... 
    Flexible hours

    International Business Machines Corporation

    Boston, MA
    3 days ago

  • Converge for FSI - RAE Lead Product Forward Deployed Engineer_Products & Platforms

    $134.5k - $265.1k

     ...Converge for FSI team in our mission to develop differentiated financial services products...  ...event-driven architecture — Kafka, event sourcing, CQRS, async messaging patternsHands-on experience...  ...and DevSecOps practicesContributions to open-source projects or public technical... 
    Local area

    Deloitte

    Boston, MA
    3 days ago

  • Java Full Stack Engineer

     ...digital visions.Apex has an opportunity for a Full Stack Java Developer. Here are the details:Position: Full Stack Java Developer Location...  ...and best practices, such as Maven, Sonar, and other Open Source toolsLead the identification, isolation, resolution, and communication... 
    Remote work

    Software Technology Inc

    Boston, MA
    2 days ago

  • Java Full stack Engineer

     .../ Sr EngineerJob RequirementsFrontend Development:Design and develop interactive, responsive user interfaces using ReactJS and related...  ...).Familiarity with Agile/Scrum methodologies.Contributions to open-source projects or a strong GitHub/Portfolio showcasing relevant work... 

    JConnect Infotech

    Boston, MA
    2 days ago

  • Senior Data Platform Engineer

    $125k - $205k

     ...backend services, and platform capabilities that move data from source to decision, and that help engineers, analysts, and data scientists...  ...Vancouver, BC; and Vancouver, WA. For select positions, we are open to hiring fully remote candidates. We post our positions in the... 
    Permanent employment
    Live in
    Local area
    Remote work

    Later

    Boston, MA
    14 hours ago

  • Staff Software Engineer (DevOps / Platform Engineering)

     ...scaling configs, and resource utilization. CI/CD, Tooling, and Developer Experience Modernize developer workflows: streamlined...  ...Experience scaling infra in fast-growth startups. Contributions to open source, infrastructure design talks, or technical publications.... 
    For contractors
    Remote work

    Liberate

    Boston, MA
    1 day ago