Source Job

$148,750–$190,000/yr
US

  • Implement and maintain API endpoints, middleware, and platform services in Go.
  • Build and evolve the API gateway layer, including routing, authentication, rate limiting, and request/response shaping.
  • Write and maintain API contracts (OpenAPI/gRPC) and contribute to service reliability with monitoring and incident response.

Go REST API Kubernetes Docker GRPC

18 jobs similar to Software Engineer, API Platform

Jobs ranked by similarity.

$205,000–$231,000/yr
US UK Canada Unlimited PTO 18w maternity 12w paternity

  • Own features end-to-end from design through implementation, rollout, and iteration.
  • Design, build, and evolve backend systems (Go, REST/gRPC APIs) for entitlement, policy, and customer onboarding services.
  • Provide technical leadership and mentorship to senior and mid-level engineers.

Chainguard delivers hardened, secure, and production-ready builds of open source software to help organizations build faster, stay compliant, and eliminate risk. It is venture-backed by leading investors and serves Fortune 500 enterprises and global industry leaders.

$125,000–$150,000/yr
US Unlimited PTO

  • Design, develop, and maintain back-end components for internal and open-source cybersecurity projects.
  • Build REST and GraphQL APIs, command-line tools, and containerized services using Python, Go, and Docker.
  • Contribute to infrastructure automation and collaborate with teammates to solve complex technical problems.

SpecterOps develops internal and open-source cybersecurity projects such as Mythic and Ghostwriter for the security community. We are a small, transparent team that values autonomy, collaboration, and continuous improvement.

$150,300–$196,225/yr
US

  • Build REST APIs that power core customer experiences.
  • Configure monitoring for backend services.
  • Build CICD pipelines and develop integrations with the content management system.

Atlassian develops collaboration software for teams worldwide. With thousands of employees, the company fosters an inclusive culture and offers flexible work arrangements.

US 18w maternity 12w paternity

  • Build and improve customer-facing package registries, APIs, and artifact-serving systems for secure software consumption.
  • Develop and operate backend services in Go, owning projects from technical design through deployment and iteration.
  • Collaborate across engineering and product teams to enhance scalability, reliability, and observability of production systems.

This partner company builds secure, reliable systems for serving software artifacts at scale, including customer-facing registries and APIs. It is a collaborative, remote-first environment focused on engineering ownership and continuous learning.

North America

  • Take deep ownership of key systems and product areas, becoming the technical expert and primary point of reference.
  • Architect, build, and maintain highly available and scalable REST APIs and backend services.
  • Use agentic development workflows and AI coding tools as standard engineering practice.

This partner company builds an AI-driven e-commerce messaging platform powered by customer context and data. It is a high-growth, remote-first environment with a collaborative and supportive culture.

$121,000–$142,000/yr
US Unlimited PTO 18w maternity 12w paternity

  • Build and improve customer-facing registries, APIs, and artifact-serving systems that make open source software easy to consume securely and reliably.
  • Develop and operate backend services in Go, focusing on scalability, reliability, observability, and performance.
  • Collaborate with engineers and product partners on design, code review, and solving production issues.

Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of the software engineers and AI agents rely on. It is a venture-backed company serving Fortune 500 enterprises with a remote-first culture and a focus on customer obsession and intentional action.

$170,350–$275,550/yr
US 16w maternity 16w paternity

  • Design and build core systems for Docker's enterprise agentic platform using Go and Kubernetes.
  • Own production reliability from on-call to SLOs and incident response.
  • Set technical direction and mentor engineers while driving security, identity, and network boundaries.

Docker builds developer tools trusted by over 20 million monthly users and billions of container pulls. It is a globally distributed, remote-first team with a culture of trust, flexibility, and engineering excellence.

North America Unlimited PTO

  • Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
  • Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
  • Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.

Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.

$199,750–$260,000/yr
US

  • Design, implement, and operate high-throughput data ingestion pipelines that transform raw pentest output into structured, queryable data at scale.
  • Own end-to-end delivery of pipeline features including schema design, implementation, testing, deployment, and monitoring in containerized environments like Kubernetes and AWS.
  • Partner with downstream teams to define data contracts and resolve production issues in pipeline latency, data correctness, and throughput.

Horizon3 is a fast-growing, remote cybersecurity company that helps organizations proactively find and fix exploitable attack vectors before criminals exploit them via its NodeZero autonomous pentesting platform. The team is a small, collaborative group of former special operations cyber operators and engineers committed to a culture of respect, collaboration, ownership, and results.

Unlimited PTO

  • Build and maintain first-party integration connectors between NodeZero and customer security platforms like CrowdStrike, SentinelOne, and Splunk.
  • Design integration schemas and data mappings, and write documentation that enables customers to configure integrations without support calls.
  • Diagnose and resolve integration failures, working with the Integrations Platform team to ensure connectors are built on shared infrastructure.

Horizon3 is a cybersecurity company that provides autonomous pentesting through its NodeZero platform to help organizations proactively find and fix attack vectors. The company is a remote team of former U.S. Special Operations cyber operators and engineers, fostering a culture of respect, collaboration, and ownership.

$5,000–$9,500/mo
Argentina

  • Design and develop software applications in Golang and React, building distributed architectures that scale.
  • Coordinate with internal stakeholders to design market-winning products and deliver high-quality features with robust metrics.
  • Mentor engineering teammates to elevate their skills and lead small development teams to bring projects to market.

Sezzle is a fintech company revolutionizing the shopping experience with interest-free installment plans that make shopping smarter and more accessible. They are building an innovative, dynamic team of unique, purpose-driven individuals passionate about pushing boundaries in tech.

$170,000–$235,000/yr
US

  • Design and implement backend services for licensing, entitlements, feature access, and usage limits across NodeZero's product and APIs.
  • Build and evolve provisioning, admin experience, MSP/MSSP capabilities, and audit logging for a multi-tenant SaaS platform.
  • Operate production services with monitoring, incident response, and a high bar for design quality and test coverage.

Horizon3 is a fast-growing, remote cybersecurity company that helps organizations proactively find, fix, and verify exploitable attack vectors through its NodeZero autonomous pentesting platform. The team is a fusion of former special operations cyber operators and startup engineers, fostering a culture of respect, collaboration, ownership, and results.

$102,000–$138,000/yr
US Unlimited PTO

  • Collaborate with engineers, product managers, and designers to build well-scoped features.
  • Contribute to design, implementation, testing, and deployment of software.
  • Grow technical depth through pairing, code reviews, and production support.

Defense Unicorns delivers mission value by streamlining software delivery for defense and civil agencies, focusing on secure, cloud-native solutions. Our team of innovators, software engineers, and veterans brings decades of experience across the federal market, fostering a culture of action, ownership, and focus.

$145,500–$235,400/yr
US

  • Design, implement, test, and operate production services and APIs.
  • Lead projects or meaningful components of projects from problem definition through deployment and iteration.
  • Improve the observability and operability of the systems you own, including metrics, logs, traces, alerting, and incident learnings.

LaunchDarkly provides a platform that helps engineering teams release software and AI with speed, safety, and control using feature flags and observability. The company is growing and emphasizes teamwork, humility, openness, curiosity, and inclusive collaboration.

$195,000–$280,000/yr
US 4w PTO 12w maternity 12w paternity

  • Design, develop, and maintain scalable back end services and APIs for Quanata's products.
  • Architect data flows, database schemas, and cloud infrastructure with a focus on reliability and security.
  • Mentor engineers and shape technical decisions across complex features from concept to deployment.

Quanata is a technology company in the State Farm family, building products and services for the financial and insurance sectors. It is a remote-first organization that values veterans, supports professional growth, and offers comprehensive benefits.

$157,000–$184,000/yr
Europe UK United States 18w maternity 12w paternity

  • Own product features end to end, from design and implementation through rollout and iteration.
  • Extend agentic AI capabilities into customer-facing product experiences.
  • Contribute to architectural decisions while collaborating with Product and front-end teams.

This company builds next-generation products at the intersection of software supply chain security, AI, and developer tooling. It has a small, fast-moving engineering team in a remote-first environment focused on practical tools for developers.

Russia Unlimited PTO

  • Develop and maintain backend services for Xsolla ID using Go and modern IAM protocols.
  • Design OAuth 2.0/OIDC flows and secure high-load identity systems for millions of users.
  • Optimize PostgreSQL, Redis, and CockroachDB performance in a microservices environment.

Xsolla is a global commerce company helping video game developers fund, distribute, market, and monetize their games. With over 1,500 game developer partners and a remote-first culture, Xsolla values creativity, collaboration, and employee well-being.

$116,960–$185,640/yr
US

  • Design, develop, and maintain high-performance REST APIs and backend microservices using Java and Go.
  • Build and enhance rich messaging features, managing high-throughput message routing and delivery pipelines.
  • Deploy and support backend services in AWS, prioritizing reliability, low latency, and fault tolerance.

Twilio delivers innovative communication solutions to hundreds of thousands of businesses and empowers millions of developers worldwide. It is a remote-first company with a strong culture of connection and global inclusion, making a global impact daily.