Source Job

$180,000–$205,000/yr
US

  • Own core platform functionality end-to-end, from design to delivery
  • Innovate on features the industry hasn't seen before — genuine 0→1 work
  • Collaborate with a small, senior team and coordinate with supporting engineers

Backend Engineering System Design

20 jobs similar to Senior or Staff Backend Engineer

Jobs ranked by similarity.

US 4w PTO

  • Build and operate high-throughput production services for AI agent orchestration and real-time data pipelines.
  • Design and scale core platform services across the Superhuman product suite.
  • Collaborate with ML/AI, Product, and Front-End engineers to ship AI-powered features end to end.

Superhuman is the AI productivity platform on a mission to unlock the superhuman potential in everyone. Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide.

$200,000–$350,000/yr
US

  • Lead product engineering strategy for 0→1 initiatives.
  • Work directly with executive, product, engineering, and customer teams.
  • Define architectures and product development frameworks.

They build critical infrastructure for high-volume, real-time business operations. They are a fast-growing, collaborative company where engineers have meaningful influence on architecture and culture.

US Unlimited PTO

  • Design, architect, and implement AI-powered backend systems that automate and optimize software development workflows.
  • Identify friction points across the engineering lifecycle and transform them into scalable, reliable automation solutions.
  • Collaborate with globally distributed engineering teams to share tooling, best practices, technical roadmaps, and reusable solutions.

$146,000–$182,500/yr
Canada 4w PTO

  • Design, build, and maintain backend APIs and services that power our AI workflow platform at scale.
  • Own complex projects end-to-end from architecture through production with full ownership and quick iteration.
  • Collaborate with a remote-first team to ship multiple times per day, using AI coding tools to accelerate development.

We're building an AI-native platform that helps marketing and creative teams at top e-commerce brands understand which ads are working and ship more winning creative across major ad platforms. We're a Series B remote-first team, currently under 100 headcount, growing 2.5x year over year, led by second-time founders.

$130,900–$198,000/yr
US

  • Build and evolve core AI platform capabilities enabling teams to scale GenAI applications.
  • Design and implement distributed systems supporting multi-step AI workflows and integrations.
  • Collaborate across engineering, data science, and product to turn emerging AI use cases into production-ready platform capabilities.

Samsara is the pioneer of the Connected Operations Cloud, providing IoT solutions to improve safety, efficiency, and sustainability for industries like agriculture, construction, and transportation. As a recently public company, it fosters a culture of ownership and high-impact building with a focus on long-term growth.

USA Unlimited PTO 14w maternity 14w paternity

  • Work directly with customers to understand workflows and build production-ready AI applications.
  • Contribute to core platform and customer-specific integrations, applying AI/ML and LLM techniques.
  • Own delivery from prototype to production, including architecture, backend services, and deployment.

Trase Systems, founded in 2023, is an AI company that simplifies enterprise AI adoption. It tops the Hugging Face GAIA Leaderboard and serves complex industries such as Healthcare, Oil & Gas, and National Security.

$180,000–$200,000/yr
US

  • Design and build the company's AI-first platform architecture.
  • Develop agent-based systems, orchestration layers, and inference pipelines.
  • Build scalable data ingestion, transformation, and feature engineering pipelines.

Our client is an early-stage healthcare AI company leveraging AI, data science, and clinical expertise to generate actionable insights from health data. The small team works alongside experienced founders and world-class advisors, building an AI-native platform from scratch.

US Canada Unlimited PTO

  • Contribute to the Platform Readiness team's agentic workflows on the Duo Agent Platform, designing and implementing automated evaluation of platform readiness.
  • Evolve the platform requirements knowledge base by contributing to schema design, validation tooling, and CI systems for cross-platform readiness.
  • Build integration surfaces that enable feature teams to engage with platform readiness tools directly in their existing workflows like issues, merge requests, and CI/CD pipelines.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. With over 50 million registered users and trust from 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange.

$200,000–$350,000/yr
US

  • Lead 0→1 product initiatives from discovery through scale, partnering with customers and product leadership.
  • Design and implement full-stack product architectures and establish technical foundations for new products.
  • Translate ambiguous product problems into scalable solutions while balancing speed, quality, and sustainability.

This technology company builds critical infrastructure for high-volume, real-time business operations across multiple platforms. It is a fast-growing, YC-backed startup with a collaborative culture that encourages ownership and quick decision-making.

US

  • Build AI-based features into a platform serving millions of users, working directly with the platform architect.
  • Stand up core AI infrastructure, including LLM serving, retrieval-augmented generation, and evaluation systems.
  • Shape engineering practices and own services end to end, from schema to deploy to on-call.

TMTG is a social media company dedicated to providing users an engaging and censorship-free experience. It is the fastest-growing social media platform in the country, championing free speech and serving millions of users in a fast-paced, rapidly growing environment.

$190,000–$220,000/yr
Unlimited PTO

  • Own the design and implementation of Benepass's internal AI platform from 0 to 1.
  • Accelerate the engineering SDLC with AI-assisted coding, CI/CD integration, and quality automation.
  • Build agentic workflows and knowledge systems that scale across the company.

Benepass is a fintech platform that makes employee benefits easy, allowing companies to customize perks for their workforce. We're a fast-growing startup backed by major investors with $75M raised and named one of Inc.'s Best Workplaces.

$163,000–$263,670/yr
US

  • Design, build, and operate the distributed systems that deliver feature-flag configuration to LaunchDarkly SDKs.
  • Own and improve the reliability, latency, and scalability of our streaming and polling infrastructure.
  • Debug and resolve complex production issues while sharing the team's on-call rotation.

LaunchDarkly builds a feature management platform that enables safe and gradual software releases. The company is growing and fosters a humble, open, collaborative culture.

Global

  • Own the technical foundation: build the first product version end-to-end, from architecture through shipping to real customers.
  • Partner directly with the founding CEO, talk with customers, and set technical direction and roadmap alongside leadership.
  • Establish engineering culture and tooling, working across every lane of the company including product, sales, and customer service.

Shaper Capital partners with people to build companies that shape the world, serving as the company-building engine of Travis May, who co-founded LiveRamp and Datavant. Since October 2023, it has launched 8 companies and raised over $100M from top firms, operating as a small, ambitious team that hires individuals who are smart, nice, and get things done.

Latin America

  • Build and expand our healthcare data platform and member management solution.
  • Write high quality code through various channels and in collaboration with the Product team.
  • Have a high degree of autonomy and influence on the culture and direction of the technical organization.

Ubiminds connects Latin American tech professionals with software companies in the US and Canada. With 9 years in the market and GPTW-certified, they support hundreds of professionals in data, design, product, and engineering.

Global

  • Build and own Fundable's core backend including customer-facing APIs, AI microservices, and a workflow builder.
  • Lead architecture decisions, implementation, and deployment with TypeScript/Node.js or Python, PostgreSQL, and cloud platforms.
  • Work directly with founders in a high-autonomy role to solve ambiguous problems and ship production systems.

Fundable provides real-time startup data and signals that help growth teams find new startup customers and help investors source their next deals. It is a small, fast-moving team that values high autonomy and an AI-first approach.

$145,000–$190,000/yr
US

  • Own end-to-end architecture of Core Platform including backend services, SDKs, AI-enabled capabilities.
  • Design and implement scalable APIs, event-driven systems, distributed services, and AI-integrated workflows.
  • Provide technical leadership, mentorship, and drive engineering best practices.

Istari is a digital engineering software company building open, scalable infrastructure for engineering data. We focus on rewarding focus, finishing, facts, and fellowship.

Europe US 6w PTO

  • Drive high-impact enterprise deployments with on-site customer engagements.
  • Build production-grade automation solutions, workflows, and custom nodes.
  • Bridge customer needs with Product and Engineering to shape the roadmap.

n8n is an open workflow orchestration platform for AI, enabling technical teams to automate with code and no-code flexibility. With a team of over 260 across Europe and the US, we foster a builder culture and have a community of 650,000+ developers.

US

  • Design, build, and ship customer-facing product features end-to-end.
  • Own architecture across backend systems, APIs, databases, and cloud infrastructure.
  • Develop AI-powered workflows leveraging modern LLM technologies.

This seed-stage healthcare technology startup is building AI-powered infrastructure to modernize care coordination and benefit administration for vulnerable populations. The founding team is creating a culture centered around ownership, collaboration, and craftsmanship.

$114,800–$191,400/yr
US 4w PTO

  • Build and own the agentic harness for AI-driven development, including agent workflows, tool integrations, and evaluation infrastructure.
  • Strengthen backend platform services, particularly authentication and session management, using C#/.NET.
  • Use AI-driven throughput to deliver meaningful increments, gather customer feedback, and iterate until the work makes a difference for nonprofits.

Bloomerang provides a powerful giving platform and support for nonprofits to raise more, recruit more, and retain more. They serve tens of thousands of nonprofits and have a mission-driven culture built on core values of Simplify, Care, and Act.

$225,000–$300,000/yr
Unlimited PTO

  • Own software architecture and delivery: design, deploy, and operate systems at scale.
  • Design and evolve AI systems including prompting, retrieval, evaluation infrastructure, and expert feedback loops.
  • Hire, manage, and grow the engineering team from 3 FTEs while staying on the frontier of AI and legal AI.

Inhouse is the #1 AI lawyer for small to midsize businesses, combining AI, their own law firm, and an expert feedback loop to deliver fast, compliant legal work. They grew revenue 1,500% last year and recently raised a $5M seed round from leading VCs.