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Remote software engineer jobs
at US startups.

As of 12 November 2026, 599 startups and scale-ups are hiring software engineers to work remotely in the US, with 1,931 live roles between them, 770 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 days591,463 candidatesRated 4.8/5 on G2
Remote US · Software engineersLive roles today
  • HOHorizon3ai logo
    Horizon3aiScale-up · 51-200 staff58 roles
  • BHBask Health logo
    Bask HealthStartup · Hybrid42 roles
  • ANAnthropic logo
    AnthropicScale-up · 201-500 staff30 roles
  • TETemporal logo
    TemporalScale-up · Remote-first29 roles
  • TLTrm Labs logo
    Trm LabsScale-up · 201-500 staff28 roles
  • MOMotional logo
    MotionalScale-up · 1,001-5,000 staff27 roles

and 593 more companies on the list

599 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 599 companies, most live roles first.

  1. HOHorizon3ai logo

    Horizon3ai

    Scale-up51-200 staffTechnology & SoftwareRemote-first

    58roles42 opened this month

    Horizon3.ai provides autonomous penetration testing solutions to help organisations identify and fix security vulnerabilities and improve cyber resilience.

    All 58 roles at Horizon3ai

  2. BHBask Health logo

    Bask Health

    StartupHybrid

    42roles36 opened this month

    Bask Health provides a full-service software platform for building digital health experiences and manages chronic conditions like diabetes and obesity.

    All 42 roles at Bask Health

  3. ANAnthropic logo

    Anthropic

    Scale-up201-500 staffTechnology & Software

    30roles10 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.

    All 30 roles at Anthropic

  4. TETemporal logo

    Temporal

    Scale-upRemote-first

    29roles29 opened this month

    To be the reliable foundation of every developer's toolbox.

    All 29 roles at Temporal

  5. TLTrm Labs logo

    Trm Labs

    Scale-up201-500 staffTechnology & SoftwareRemote-first

    28roles1 opened this month

    TRM Labs builds an intelligence platform that helps crimefighters disrupt criminal networks exploiting frontier technologies to harm people.

    All 28 roles at Trm Labs

  6. MOMotional logo

    Motional

    Scale-up1,001-5,000 staffAutomotiveHybrid

    27roles13 opened this month

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

    Replied to 80% of the applications Haystack's agent sentAll 27 roles at Motional

  7. KSKeeper Security logo

    Keeper Security

    Scale-up201-500 staffTechnology & SoftwareRemote-first

    27roles3 opened this month

    Keeper Security protects individuals and organisations from cyber threats through its cybersecurity platform, aiming to safeguard digital assets and prevent data breaches.

    All 27 roles at Keeper Security

  8. CLClickhouse logo

    Clickhouse

    Scale-up201-500 staffTechnology & SoftwareRemote-first

    25roles13 opened this month

    ClickHouse creates and maintains an open-source, column-oriented database management system for real-time analytics and online analytical processing (OLAP).

    All 25 roles at Clickhouse

  9. 1P1password logo

    1password

    Scale-up1,001-5,000 staffTechnology & SoftwareRemote-first

    23roles15 opened this month

    1Password builds the foundation for a safe, productive digital future by providing secure access for humans and AI agents.

    All 23 roles at 1password

  10. RERender logo

    Render

    Scale-up201-500 staffTechnology & SoftwareRemote-first

    21roles6 opened this month

    Render helps developers build and run applications by providing a unified platform with fully managed cloud services, simplifying cloud infrastructure.

    All 21 roles at Render

  11. CLClera logo

    Clera

    StartupOffice-first

    19roles7 opened this month

    Clera is an AI-powered talent platform that connects candidates with startups by matching people with roles and arranging introductions to hiring teams.

    Replied to 70% of the applications Haystack's agent sentAll 19 roles at Clera

  12. MEMercury logo

    Mercury

    Scale-upRemote-first

    18roles5 opened this month

    Mercury provides banking and card services for startups and growing businesses, aiming to simplify financial lives through an easy and safe banking experience.

    Replied to 69% of the applications Haystack's agent sentAll 18 roles at Mercury

  13. VAVanta logo

    Vanta

    Scale-up501-1,000 staffTechnology & SoftwareRemote-first

    16roles3 opened this month

    Vanta helps businesses automate security and compliance, enabling them to earn and prove trust through critical security certifications.

    Replied to 79% of the applications Haystack's agent sentAll 16 roles at Vanta

  14. CLClickup logo

    Clickup

    Scale-up1,001-5,000 staffTechnology & SoftwareRemote-first

    15roles6 opened this month

    ClickUp aims to maximise human productivity by reinventing how work gets done through the convergence of software, AI, and humans on a single platform.

    Replied to 88% of the applications Haystack's agent sentAll 15 roles at Clickup

  15. OPOpenloophealth logo

    Openloophealth

    Scale-upRemote-first

    14roles6 opened this month

    OpenLoop Health is a healthcare technology company that provides a white-label operating system for virtual care to modernise primary care delivery.

    Replied to 67% of the applications Haystack's agent sentAll 14 roles at Openloophealth

  16. CHChainguard logo

    Chainguard

    Scale-up51-200 staffTechnology & SoftwareRemote-first

    13roles9 opened this month

    Chainguard provides a software supply chain security platform, focusing on open-source tooling to help organisations build and maintain secure software.

    Replied to 51% of the applications Haystack's agent sentAll 13 roles at Chainguard

  17. SESentilink logo

    Sentilink

    Scale-up51-200 staffFinancial ServicesRemote-first

    13roles5 opened this month

    Sentilink develops technology to detect and prevent synthetic identity fraud for financial institutions and businesses.

    Replied to 93% of the applications Haystack's agent sentAll 13 roles at Sentilink

  18. DADatabricks logo

    Databricks

    Scale-up10,000+ staffTechnology & SoftwareHybrid

    13roles3 opened this month

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

    Replied to 71% of the applications Haystack's agent sentAll 13 roles at Databricks

  19. ALAlphaSense logo

    AlphaSense

    Scale-up1,001-5,000 staffTechnology & SoftwareHybrid

    13roles1 opened this month

    AlphaSense provides a market intelligence platform that uses AI to help financial professionals and corporations make more informed decisions by uncovering trends.

    Replied to 50% of the applications Haystack's agent sentAll 13 roles at AlphaSense

  20. GLGrafana Labs logo

    Grafana Labs

    Scale-up1,001-5,000 staffTechnology & SoftwareRemote-first

    12roles8 opened this month

    Grafana Labs empowers teams to visualise, analyse, and act on data through its open-source monitoring and observability platform, Grafana.

    All 12 roles at Grafana Labs

Every startup has its own application form.

Applying to ten of these companies means ten careers sites and ten forms, each asking the same things in a different order. Haystack's AI agent fills them in from your CV and your answers, and asks you when a question needs you.

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Ashby application · Software EngineerApplying as Sarah · example
Full name
Sarah Okonkwo
Email
sarah.okonkwo@myapplications.to
Resume
Sarah_Okonkwo_Resume.pdf · tailored to this role
Are you legally authorized to work in the United States?
Yes
Will you now or in the future require visa sponsorship?
No
What are your salary expectations?
$120,000 a year
Application sent. 0 fields typed by Sarah. The reply lands in her Haystack inbox.
Haystack agent
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  • Submitted. The reply will land in your inbox

Interviews landed at leading employers

Spotify logoAmerican Express logoMastercard logoAWS logoAnthropic logoBMW logoNetflix logoRevolut logoMeta logo

The agent applies. You interview.

84%get an interview within 14 days

of candidates who let the agent apply for them are invited to interview within two weeks.

12form fields answered

per application, from your resume and your answers. You type none of them.

12+ hrsback every month

50 applications a month on Haystack Pro, at 15 minutes each, done for you.

Interview rate: candidates invited to interview within 14 days of their first application. Fields measured across applications the agent sent in the last 30 days. Hours back assume 15 minutes an application by hand.

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A woman taking an interview call at her laptop
sarah.okonkwo@myapplications.to
Reddit
Interview: Customer Success Manager
Now
Thu, Oct 30 · 2:00–2:45 PM · Google Meet
AcceptedMaybeDecline
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 remotely in the US?

As of November 2026, 599 startups and scale-ups are hiring software engineers remotely in the US, with 1,931 live roles between them. The most are at Horizon3ai, Bask Health, Anthropic, Temporal, Trm Labs. The full list on this page is rebuilt every day from the employers' own careers sites.

How is this list made?

Haystack reads the careers sites of more than 30,000 employers every day. This list takes the live remote roles in the US 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.

Your resume once.
Then every role that fits.

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