Remote Software engineering Jobs · APIs

Job listings

  • Build and maintain automation scripts and internal lightweight tools to support operations teams.
  • Develop, troubleshoot and optimize enterprise integrations to ensure seamless data exchange.
  • Implement programmatic quality checks to improve data consistency and accuracy.

Welo Data is a multilingual data and evaluation partner for foundation labs and enterprises deploying GenAI systems, providing human judgment, data infrastructure, and evaluation systems. They have a global network of over 500,000 vetted experts spanning 300+ languages, led by specialized program and quality experts within a unified operating model.

  • Contribute to ongoing product and engineering initiatives by supporting feature development and platform enhancements.
  • Leverage AI development tools (e.g., ChatGPT, Claude, Cursor, GitHub Copilot) to accelerate coding and problem-solving, and contribute to AI-enabled features, workflows, or internal tools.
  • Participate in standups, sprint planning, and code reviews to support high-quality delivery while collaborating cross-functionally with product, data, and engineering teams.

SponsorUnited is the leading global sports and entertainment SaaS platform, delivering actionable data and insights to build stronger marketing partnerships. It is a growing company with a collaborative culture focused on practical, hands-on experience and mentorship.

  • Translate high-level business problems into functional AI solutions.
  • Design, build, and maintain backend services and APIs that deploy AI features.
  • Implement scalable backend architecture supporting AI workflows and data pipelines.

Forward Financing is a financial technology company based in Boston, Massachusetts. They aim to unlock the capital for small businesses across America and are recognized as a Best Place to Work by Built In Boston. The company is focused on employee investment and long-term success.

  • Become an expert on zerohash’s platform capabilities, APIs, and integration pathways.
  • Partner with the Sales team to demonstrate to customers how zerohash can best address their use cases and technical requirements.
  • Share customer interests, needs, and product feedback to internal zerohash Product teams.

Zerohash is the leading crypto and stablecoin infrastructure platform and the operating system for digital money, powering the next generation of financial services. Founded in 2017, they enable banks, brokerages, fintechs, and payment companies to offer crypto trading. The company is deeply regulated and compliance-first, operating across the U.S. and internationally. At zerohash, they're building the infrastructure that makes digital money work securely, compliantly, and at global scale.

Europe 5w PTO

  • Work on the core systems powering Synthesia’s script preview and voice generation experience.
  • Build and operate backend services that orchestrate multiple text-to-speech (TTS) providers.
  • Design and evolve systems that handle provider reliability, request routing, and output consistency.

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. They develop products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following their recent Series E funding round, Synthesia's valuation stands at $4 billion.

  • Lead technical discovery to deeply understand customer challenges and formulate a strong solutions hypothesis.
  • Lead technical onboarding for complex customers, managing integrations across ATS, HRIS, payroll, and compliance platforms.
  • Serve as the primary technical contact for key accounts and build trust through reliable delivery and proactive communication across teams.

Onboarded is building the AI-powered infrastructure for onboarding and compliance, trusted by companies across staffing, gig work, and franchising to onboard thousands of employees each month. They are backed by top investors and growing fast.

$140,000–$190,000/yr

  • Own the technical post-sales relationship with assigned government accounts.
  • Develop and execute technical account plans that align our solutions with customers' business objectives.
  • Lead client onboarding, solution design, implementation, and integration projects.

Truv is transforming the financial data industry with a secure and real-time API platform for payroll account access, streamlining income and employment verification, and direct deposit switching. Backed by $30M from top investors, we’re disrupting a $2B legacy market with cutting-edge innovation and a customer-first approach.

$167,249–$216,000/yr

  • Own and deliver complex projects across the enrollment and early member journey.
  • Design and evolve scalable backend systems that power enrollment workflows.
  • Partner closely with product, design, data, and operations to identify high-impact opportunities.

Virta Health aims to reverse metabolic disease in one billion people through technology, personalized nutrition, and virtual care. They have raised over $350 million and partner with large health plans and employers.

$152,650–$152,650/yr
US 3w PTO

  • Contribute to CareMessage's messaging platform, the core system that powers patient communication.
  • Build reliable, patient-centric communication infrastructure.
  • Advance health equity for low-income populations.

CareMessage is a technology non-profit building the largest patient engagement platform for low-income populations in the United States. Powered by the Health Equity Engine™, the platform enables organizations to combine messaging, data, and interoperability to increase access to care. The team leverages a nonprofit model to reinvest revenue into impact.