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54 startups and scale-ups in Boston are hiring software engineers right now, with 275 live roles between them, 79 of them opened in the last 30 days. Pick the ones you want and Haystack's AI agent fills in each employer's application for you.

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84% of candidates get an interview within 14 days568,056 candidatesRated 4.8/5 on G2
Boston · Software engineersLive roles today
  • AIAnduril Industries logo
    Anduril IndustriesScale-up · 1,001-5,000 staff63 roles
  • MOMotional logo
    MotionalScale-up · 1,001-5,000 staff23 roles
  • SAShield AI Inc logo
    Shield AI IncScale-up · 501-1,000 staff22 roles
  • AIAirspace Intelligence.com logo
    Airspace Intelligence.comScale-up · 51-200 staff17 roles
  • CO
    CompassScale-up · Hybrid12 roles
  • QCQuEra Computing, Inc. logo
    QuEra Computing, Inc.Startup · 51-200 staff12 roles

and 48 more companies on the list

54 companies hiring now

Ranked by live roles (backend, full-stack, frontend, mobile, DevOps, security and QA engineers, and engineering managers). Every company is a startup or scale-up; recruitment agencies are left out. Press Auto apply on any role and Haystack's AI agent fills in that employer's form for you.

The top 40 of 54 companies, most live roles first.

  1. AIAnduril Industries logo

    Anduril Industries

    Scale-up1,001-5,000 staffGovernment & Defense

    63roles16 opened this month

    Anduril Industries builds AI-powered security architecture for the United States and its allies, rapidly developing and deploying advanced hardware and software solutions.

    Replied to 71% of the applications Haystack's agent sentAll 63 roles at Anduril Industries

  2. MOMotional logo

    Motional

    Scale-up1,001-5,000 staffAutomotiveHybrid

    23roles7 opened this month

    Motional develops and deploys autonomous driving systems to make transportation safer and more accessible.

    All 23 roles at Motional

  3. SAShield AI Inc logo

    Shield AI Inc

    Scale-up501-1,000 staffAerospace

    22roles1 opened this month

    To protect service members and civilians with intelligent systems, developing AI pilots for aircraft and revolutionising aerospace and defense applications.

    All 22 roles at Shield AI Inc

  4. AIAirspace Intelligence.com logo

    Airspace Intelligence.com

    Scale-up51-200 staffAerospace

    17roles3 opened this month

    Airspace Intelligence provides artificial intelligence solutions for air traffic management, enhancing efficiency and safety in air travel and other critical operations.

    All 17 roles at Airspace Intelligence.com

  5. CO

    Compass

    Scale-upHybrid

    12roles12 opened this month

    Compass aims to revolutionise the real estate industry with an end-to-end platform for residential real estate agents, and to transform education with smart school management technology.

    All 12 roles at Compass

  6. QCQuEra Computing, Inc. logo

    QuEra Computing, Inc.

    Startup51-200 staffTechnology & SoftwareOffice-first

    12roles4 opened this month

    QuEra Computing aims to develop and commercialise quantum computers based on neutral atoms for complex problems in areas like materials science and drug discovery.

    All 12 roles at QuEra Computing, Inc.

  7. SESevenai logo

    Sevenai

    StartupHybrid

    11roles1 opened this month

    Sevenai provides AI-powered solutions to enhance customer engagement and transform security operations by automating non-human work.

    All 11 roles at Sevenai

  8. SUSuno logo

    Suno

    Scale-up51-200 staffOffice-first

    9roles4 opened this month

    Suno is an AI music generation company making music creation accessible to everyone through AI-powered tools.

    All 9 roles at Suno

  9. LILightmatter logo

    Lightmatter

    Scale-upUnder 50 staffOther

    9roles1 opened this month

    Lightmatter develops photonic chips and interconnects to scale AI supercomputers and accelerate advancements in AI data centre infrastructure.

    All 9 roles at Lightmatter

  10. BBBeacon Biosignals logo

    Beacon Biosignals

    Startup51-200 staffHealthcareRemote-first

    7roles5 opened this month

    Beacon Biosignals is transforming precision medicine for the brain by using AI to analyse physiological data and develop treatments for neurological diseases.

    All 7 roles at Beacon Biosignals

  11. LALater logo

    Later

    Scale-up201-500 staffTechnology & SoftwareHybrid

    7roles2 opened this month

    Later helps brands and creators grow through an intelligent influencer marketing and social media management platform.

    Replied to 57% of the applications Haystack's agent sentAll 7 roles at Later

  12. PS

    Psi

    StartupRemote-first

    6roles

    Psi aims to discover and commercialise transformative physics breakthroughs at scale using artificial superintelligence, for broad public benefit.

    All 6 roles at Psi

  13. MAMaven Agi logo

    Maven Agi

    StartupHybrid

    5roles4 opened this month

    Maven Agi develops enterprise AI agent platforms that automate customer interactions and streamline business processes for enhanced operational efficiency.

    All 5 roles at Maven Agi

  14. STStarburst logo

    Starburst

    Scale-up201-500 staffTechnology & SoftwareRemote-first

    5roles1 opened this month

    Starburst helps organisations manage and analyse data across diverse sources, eliminating vendor lock-in and enabling AI-driven decisions.

    All 5 roles at Starburst

  15. DADatabricks logo

    Databricks

    Scale-up10,000+ staffTechnology & SoftwareHybrid

    5roles

    Databricks empowers customers to solve data problems by providing a unified data and AI platform that supports analytical and operational workloads.

    Replied to 75% of the applications Haystack's agent sentAll 5 roles at Databricks

  16. GBGinkgo Bioworks Inc. logo

    Ginkgo Bioworks Inc.

    Scale-up1,001-5,000 staffPharmaceuticals & BiotechOffice-first

    5roles

    Ginkgo Bioworks designs and builds custom microbes to program biology, with a vision for future generations to cure diseases and grow everything imaginable.

    All 5 roles at Ginkgo Bioworks Inc.

  17. LALangchain logo

    Langchain

    Startup51-200 staffTechnology & SoftwareHybrid

    5roles

    LangChain aims to simplify the development of applications powered by large language models by providing an open-source framework and tools.

    All 5 roles at Langchain

  18. BEBevi logo

    Bevi

    Scale-up201-500 staffManufacturing

    4roles1 opened this month

    Bevi designs and manufactures smart water dispensers to reduce plastic bottle waste by offering an alternative to bottled beverages.

    All 4 roles at Bevi

  19. ZHZus Health logo

    Zus Health

    StartupRemote-first

    3roles3 opened this month

    Zus Health is a shared health data platform that aims to accelerate healthcare data interoperability, providing patient data via API, embedded components, and direct EHR integrations.

  20. ANAnthropic logo

    Anthropic

    Scale-up201-500 staffTechnology & Software

    3roles2 opened this month

    Anthropic is an AI research company dedicated to developing safe, reliable, and steerable AI systems for humanity's long-term well-being.

    Replied to 50% of the applications Haystack's agent sent

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sarah.okonkwo@myapplications.to
Reddit
Interview: Customer Success Manager
Now
Thu, Oct 30 · 2:00–2:45 PM · Google Meet
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Added to your calendar
Figma
Thanks for applying to Figma
Tue
Notion
We've received your application
Mon

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Which startups are hiring software engineers in Boston?

As of October 2026, 54 startups and scale-ups in Boston are hiring software engineers, with 275 live roles between them. The most are at Anduril Industries, Motional, Shield AI Inc, Airspace Intelligence.com, Compass. The full list on this page is rebuilt every day from the employers' own careers sites.

Which small companies (under 50 staff) are hiring software engineers in Boston?

Of the companies on this list, Lightmatter, Extropic, BusRight, Deep Science Ventures have fewer than 50 staff on record. Use the "Under 50 staff" filter above the list to see only them. Team sizes come from company records and are not known for every company, so other small teams may be on the list too.

How is this list made?

Haystack reads the careers sites of more than 30,000 employers every day. This list takes the live roles in Boston for backend, full-stack, frontend, mobile, DevOps, security and QA engineers, and engineering managers at companies recorded as startups or scale-ups, leaves out recruitment agencies, and ranks the companies by how many of those roles they have open.

Can I apply to all of these at once?

Not in one click, and you wouldn't want to. With Haystack Auto Apply you upload your resume once and pick the roles you want; Haystack's AI agent then fills in and submits each employer's own application form, asks you when a question needs your answer, and every reply lands in your Haystack inbox. Nothing is sent without your say-so.

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