Source Job

US Unlimited PTO

  • Design and build production-grade web services and REST APIs from first principles.
  • Architect clean, maintainable service boundaries, data models, and internal interfaces.
  • Own backend systems end-to-end — from schema design to deployment and production reliability.

Rust Go Web Services API

20 jobs similar to Senior Backend Engineer

Jobs ranked by similarity.

$140,000–$160,000/yr
US

  • Design, implement, and maintain backend services in a modern TypeScript/Node.js ecosystem.
  • Build and evolve event-driven pipelines, task orchestration, and asynchronous workflows.
  • Develop robust APIs (REST and WebSocket) with clear versioning and backward-compatibility guarantees.

GovCIO is passionate about transforming government IT, making a positive impact by delivering innovative IT services and solutions that improve how government agencies operate and serve citizens. They are building a workforce that fuels this mission with a culture investing in people.

Global

  • Design, build, and maintain backend services that power mission-critical platform functions within your team’s scope
  • Optimize data models and system performance to improve scalability, reliability, and maintainability
  • Work across APIs, databases, and deployment systems to deliver cohesive, production-ready solutions

Onebrief provides AI-powered collaboration and workflow software tailored for military staffs, enhancing speed, intelligence, and efficiency. Founded in 2019, Onebrief boasts a team of veterans and technologists, backed by $320m+ from investors, valuing the company at $2.15B.

US

  • Design, develop, and maintain scalable backend services and APIs.
  • Take ownership of complex features end-to-end, from design through deployment and monitoring.
  • Architect key system components that balance performance, reliability, and maintainability.

VERSANT is a leading force in news, sports and entertainment - home to iconic and trusted brands that inspire, inform, and delight audiences. As an independent, publicly traded company, VERSANT brings together powerhouse cable networks with dynamic digital and direct-to-consumer brands.

$180,000–$200,000/yr
US Unlimited PTO

  • Build and maintain backend services and APIs for Pulley's equity platform.
  • Own end-to-end delivery of features, from scoping to production rollout.
  • Drive performance and reliability improvements across backend systems.

Pulley's mission is to make it easier for anyone to start a company. They provide cap table management tools, helping companies understand and optimize their equity for the long term. Pulley is growing quickly with over 4,000 customers and is backed by top investors. They foster a high-performing team environment focused on innovation and organic growth.

US Unlimited PTO

  • Design, build, and ship backend services that support user-facing features across mobile and web experiences
  • Collaborate closely with frontend engineers, product managers, designers, and data partners
  • Lead backend technical planning and contribute to architecture decisions that improve scalability, reliability, and performance

OnePay is a consumer fintech company trusted by millions of Americans to make money better by offering banking, savings, credit cards, lending, investing, and crypto services. They're backed by Walmart and Ribbit Capital, which gives them scale and distribution.

$105,000–$130,000/yr
US Unlimited PTO

  • Design, implement, and maintain backend services and APIs that support core product features.
  • Work with Postgres database to model data, write efficient queries, and ensure data integrity and performance.
  • Collaborate with frontend engineers, product managers, and designers to support end-to-end feature development.

Impiricus is the first and only AI-powered HCP Engagement Engine that ethically connects HCPs to pharma resources, reduce go-to-market costs and accelerate patient access to the treatments they need. Founded by a practicing physician and a senior pharmaceutical executive, In 2025, Deloitte named Impiricus the #1 fastest growing company in North America.

India

  • Design and implement scalable, microservices-based architectures using Golang.
  • Write clean, efficient, and maintainable code, leveraging Go’s concurrency primitives.
  • Build and maintain high-performance RESTful and gRPC APIs.

Object Edge is an award-winning digital consultancy working with leading global brands. They help businesses differentiate and compete by creating effortless digital experiences with a data-driven, highly collaborative, and best-in-class team.

Global

  • Architect and ship new backend capabilities that integrate AI-adjacent functionality into Kraken’s core systems.
  • Design distributed services that meet high standards for reliability, performance, and correctness.
  • Own end-to-end technical design, from protocol and service boundaries through production deployment.

Kraken is a mission-focused company rooted in crypto values. It aims to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. As a fully remote company, Kraken has Krakenites in 70+ countries who speak over 50 languages.

Global

  • Design, build, and operate scalable backend services in Go that support mission-critical payments, billing, and account systems.
  • Own one or more core services end-to-end, ensuring high reliability, strong observability, and clear operational ownership.
  • Deliver meaningful system improvements that increase scalability, correctness, and developer velocity.

Chainlink is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). Chainlink leverages a novel fee model where offchain and onchain revenue from enterprise adoption is converted to LINK tokens and stored in a strategic Chainlink Reserve.

US Canada

  • Collaborate with exceptional engineers on building systems and services for the world's largest companies.
  • Lead architecture for distributed services at scale that synchronize shared state across clients.
  • Drive cross-team technical alignment via design docs and decision records; unblock execution across org boundaries.

Webflow is building the world’s leading AI-native Digital Experience Platform. They are a remote-first company built on trust, transparency, and creativity, empowering teams to design, launch, and optimize for the web without barriers.

Latin America

  • Design, develop, and maintain backend services and APIs using TypeScript and Node.js.
  • Collaborate with frontend engineers, product managers, and other stakeholders to deliver high-quality features.
  • Optimize system performance and ensure high availability and scalability.

Engine is transforming business travel into something personalized, rewarding, and simple by building a platform that brings together corporate travel, a powerful charge card, and modern spend management in one place. More than 20,000 companies rely on Engine to support over 1 million travelers and billions in annual bookings each year.

LATAM

  • Design and improve backend services that support complex business workflows.
  • Build and evolve distributed systems using modern cloud-native patterns.
  • Architect and implement event-driven and asynchronous workflows.

EX Squared LATAM partners with leading U.S.-based technology companies to build scalable, high-performance systems. They foster a collaborative and inclusive environment focused on technical excellence across LATAM, allowing opportunities for architectural impact.

Africa

  • Design of scalable backend services and APIs that power real-time payments
  • Contribute to architectural decision-making, balancing performance, security, and maintainability
  • Troubleshoot and resolve complex production issues with a focus on root-cause elimination

Jobgether is a platform that connects job seekers with companies. They use an AI-powered matching process to ensure applications are reviewed quickly, objectively, and fairly.

Europe

  • Architect, develop, and maintain scalable, robust backend services, starting from our voice and chat AI applications.
  • Experiment with new technologies to achieve real-time and seamless integrations.
  • Integrate 3rd party API integration such as Twilio (voice), WhatsApp, ElevenLabs, OpenAI and others.

Tuotempo transforms healthcare experiences through intelligent digital solutions. The company is a trusted patient engagement platform powering some of Europe and Latin America's leading healthcare institutions, freeing medical professionals from administrative burdens with its innovative CRM system.

$73,000–$94,900/yr
Canada

  • Own and maintain authentication and authorization systems.
  • Make changes to mobile and web apps with support.
  • Develop POCs and build dashboards to drive data-driven decisions.

KOHO aims to improve financial services for Canadians by offering transparent and user-friendly products. They foster a culture of trust and autonomy, prioritizing work-life integration and collaboration.

Global

  • Take technical ownership of backend systems in production
  • Design, build, and maintain scalable backend services using Node.js and Firebase
  • Make independent architectural decisions and recommend technical improvements

They are looking for experienced Backend Developers to join their growing engineering team. They foster a collaborative, growth-oriented work culture and value strong developers eager to grow.

$200,000–$245,000/yr
US

  • Expert Rust engineer, sets standards, mentors others, and elevates the team’s Rust maturity.
  • Contribute to new product development of complex in-browser applications.
  • Architect and implement complex applications that apply ML techniques to large volumes of data.

Machinify is a healthcare intelligence company delivering value, transparency, and efficiency to health plan clients. They deploy an AI-powered platform to over 85 health plans, representing more than 270 million lives, to maximize financial outcomes and reduce healthcare costs.

Global Unlimited PTO

  • Write and push code for the Popl Backend
  • Work with other engineers on using APIs, documentation and tests
  • Monitor logs and resolve any issues quickly

Popl is defining the In-Person Go-To-Market category, helping revenue teams turn real-world interactions into measurable pipeline and revenue with their AI-native platform. They aim to make in-person GTM measurable, scalable, and revenue-driving, fostering a culture of growth and innovation.

$155,000–$185,000/yr
US Unlimited PTO

  • Lead the technical vision and execution for complex, cross-product initiatives.
  • Be a principal contributor on scalable backend systems, distributed architecture, and real-time data platforms.
  • Influence technical strategy, champion engineering excellence, and drive high-impact delivery across multiple teams.

Impiricus is an AI-powered HCP Engagement Engine that transforms how life sciences companies support physicians. Named the #1 fastest growing company in North America in 2025, they ethically connect HCPs to pharma resources to reduce go-to-market costs.

$100,000–$135,000/yr
Canada

  • Design, build, and maintain backend API services that power our e-commerce platform.
  • Own features end-to-end, from understanding the problem through implementation, testing, release, and production support.
  • Ship code continuously through our delivery pipeline, with proper review, testing, and documentation at every step.

Elastic Path's mission is to break through barriers that prevent commerce leaders from delivering extraordinary shopping experiences by making Composable Commerce accessible to all brands. They are a remote-first company focused on a culture built on mutual respect, curiosity, honesty, and the belief that everyone’s voice matters.