Remote Software engineering Jobs · API Design

Job listings

  • Design, build, and maintain scalable backend services and APIs for compliance, data, and payment products.
  • Collaborate cross-functionally to translate business needs into technical solutions and take ownership of end-to-end projects.
  • Ensure code quality, reliability, and security through best practices and mentor junior engineers to foster technical excellence.

Finalis builds core infrastructure for private capital markets. The company offers a 100% remote, diverse, and inclusive environment with a focus on career growth through structured programs.

  • Collaborate with product teams to scope projects, optimize for feedback, and deliver solutions via cross-platform SDKs.
  • Optimize existing functionality for faster loading and intelligent parsing through efficient abstractions and algorithms.
  • Ship cloud functions, backend services, and jobs using Kotlin to enhance the user experience across platforms.

Speechify is the easiest way to listen to the world's information, converting articles, documents, and books into audio. It is a high-growth startup experiencing exponential growth in the AI and audio sector, with a friendly, laid-back atmosphere and a commitment to asynchronous culture.

$215,000–$285,000/yr

  • Own and evolve our public REST API and the developer experience around it, including API design and rate-limiting behavior.
  • Build and maintain client SDKs across TypeScript and Python, and lead the launches of our upcoming SDKs.
  • Ship our Agent SDK, expanding it into a surface for multi-step, agentic workloads built on OpenRouter.

OpenRouter is the leading AI routing and infrastructure layer that enterprises use to access, manage, and optimize the best large language models across providers without lock-in. It is a small, high-agency company that powers the most advanced AI teams in the world, focusing on flexibility and scalability.

$175,000–$275,000/yr
US Unlimited PTO

  • Contribute to building an efficient and scalable backend data model, integrations, and web server for a compiler-like engine.
  • Design and maintain internal and external APIs, including those for MCP products, ensuring clean interfaces and scalability.
  • Collaborate cross-functionally with transpiler, frontend, and DevOps teams on architectural decisions, data modeling, and distributed task orchestration.

Driver builds systems that turn source code into human language, creating a context layer for employees and AI agents in software development. It is an early-stage, fast-growing Y Combinator and Google Ventures-backed startup that values delivery speed, flexibility, and a close-knit team culture.

  • Drive development and maintenance of our .NET tenant management tooling and automation.
  • Design and build robust software solutions and APIs to eliminate manual work related to tenant creation, deletion, renaming, migration, and refresh processes.
  • Contribute to best practices and build out tools and frameworks to increase productivity of our Engineering group.

Seismic is the global leader in AI-powered enablement, empowering go-to-market leaders to drive strategic growth and deliver exceptional customer experiences at scale. They are headquartered in San Diego with offices across North America, Europe, Asia and Australia and is trusted by more than 2,000 organizations worldwide.

  • Tackle systemic bottlenecks, improve fault tolerance, and ensure high availability.
  • Optimize resource usage (CPU, memory, network) to handle millions of operations while reducing cloud costs.
  • Lead long-term refactoring efforts, deprecate legacy systems, and introduce scalable patterns.

HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. With over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership.

$230,000–$280,000/yr
US Unlimited PTO

  • Own the architecture of Machinify's intelligent document processing platform and agentic evaluation framework.
  • Design abstractions and interfaces that enable agentic workflows to reason over medical records and claims data.
  • Write performant production code and make foundational technology decisions around prompt architecture.

Machinify is a leading healthcare intelligence company delivering value, transparency, and efficiency to health plan clients. They are deployed by over 85 health plans and reimagine ways to maximize financial outcomes and drive down healthcare costs.

$127,000–$180,600/yr

  • Maintain and augment the automation and services ultimately responsible for the operation of Planet’s satellites.
  • Specify and implement new HTTP APIs and help improve existing ones.
  • Contribute with a team that values open and honest communication, collaboration, self-learning and initiative to solve problems big and small.

Planet designs, builds, and operates the largest constellation of imaging satellites in history. Planet is a global company with employees working remotely world wide and joining us from offices in San Francisco, Washington DC, Germany, Austria, Slovenia, and The Netherlands.

$194,000–$257,500/yr

  • Own systems from idea → production → scale
  • Rapidly prototype, validate, and iterate using real usage
  • Design for scale, reliability, and extensibility

HighLevel is an AI-powered operating system that helps businesses grow. With over 1,500 team members across 15+ countries, they operate in a global, remote-first environment and cultivate a culture where innovation thrives.

India Unlimited PTO

  • Design and implement backend features across the Add-On's software supply chain security surface.
  • Build and improve the package policy evaluation engine, including rule compilation, request matching, enforcement decisions, and performance-sensitive execution paths tied to GitLab's Dependency Firewall infrastructure.
  • Develop artifact signing and verification workflows, including Sigstore and Cosign integrations, signing key lifecycle management, keyless signing with OpenID Connect (OIDC), and policy-based promotion gates, enabling trusted and auditable software delivery.

GitLab is the intelligent orchestration platform for DevSecOps. More than 50 million registered users and more than 50% of the Fortune 100 trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works; they embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact.