Source Job

$168,000–$253,000/yr
United States Unlimited PTO

  • Lead the design, buildout, and deployment of highly scalable APIs and backend systems, defining the architectural roadmap for next-generation grocery ordering products.
  • Work in a close-knit team alongside dedicated Designer and Product Manager teammates, partnering with multiple teams to deliver integrated client solutions.
  • Grow a product used daily in thousands of grocery stores across the country, with access to best-in-class AI development tools and passionate coworkers.

Backend API Design System Architecture Python AI

20 jobs similar to Staff Backend Engineer

Jobs ranked by similarity.

Canada Unlimited PTO

  • Design and build scalable backend systems, APIs, and data models that power communications, experimentation, and personalization.
  • Partner with Product, Data Science, and Experience teams to define and execute strategies for customer acquisition and engagement.
  • Mentor and support junior engineers, contributing to a culture of learning, collaboration, and technical excellence.

Affirm is a financial technology company that provides point-of-sale installment loans to consumers, allowing them to pay over time with no hidden fees. The company is remote-first and values transparency, care, and flexibility, with a strong emphasis on employee well-being and professional growth.

Global

  • Design and scale backend systems powering consumer-facing products
  • Build and refine APIs that deliver instant, seamless experiences
  • Collaborate with product, credit/finance, compliance, support, and analytics teams

Tilt is a fintech company using mobile-first products and machine learning-powered credit models to assess financial potential beyond traditional credit scores. With millions of customers worldwide and a remote-first team across 14 countries, Tilt fosters a collaborative, inclusive culture that values impact and mutual respect.

EMEA

  • Design and build backend services that integrate AI capabilities into customer-facing product features.
  • Develop performant, scalable APIs and backend services that connect AI outputs with SaaS functionality and customer workflows.
  • Collaborate with product and design teams to create intuitive and valuable AI-driven user experiences.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. They use AI tools in the hiring process to review applications and analyze resumes, operating with a diverse international team spanning more than 40 countries.

$127,500–$142,500/yr
Canada

  • Architect and build production-grade internal AI tools and shared platform capabilities used by teams across Fullscript.
  • Lead the technical design and delivery of complex AI integrations, including MCP-based tool use, agentic workflows, and model gateways.
  • Independently take ambiguous business problems from technical discovery through implementation, deployment, measurement, and ongoing operation.

Fullscript is a health technology company that helps practitioners access products and deliver better care. With over 125,000 practitioners and 10 million patients, we build tools that make care smarter and more human, fostering a culture of growth, teamwork, and impact.

US

  • Lead architecture and development of scalable backend systems for guest and host experiences.
  • Apply advanced AI technologies to products and engineering workflows.
  • Mentor engineers and drive technical direction across major initiatives.

The company builds communication and connectivity platforms for millions of users globally. It is a high-growth technology environment that values inclusion, collaboration, and diverse perspectives.

US

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Support peers and stakeholders in the product development lifecycle by collaborating with product management, design, and analytics.
  • Foster a culture of quality and ownership by setting code review and design standards, and developing talent on your team.

Affirm is a financial services company that provides buy now, pay later financing without hidden fees or compounding interest. They have millions of customers and thousands of merchant partners, and foster a culture of honesty, trust, and innovation.

$170,000–$190,000/yr
US

  • Own the application engineering strategy and execution across backend, mobile, and desktop.
  • Design reliable systems for AI-powered workflows, including state, orchestration, and failure handling.
  • Lead a small senior engineering team, providing mentorship and raising technical standards.

The company develops AI-powered email applications, integrating machine learning to enhance productivity. The engineering team is small and senior-focused, with a culture of ownership and high standards, operating fully remotely.

US Unlimited PTO

  • Design and implement backend systems for trust and safety at scale.
  • Collaborate with product, design, and analytics to ensure technical sustainability.
  • Foster a culture of quality through code reviews, design standards, and mentoring.

Affirm provides a clear, predictable way to pay over time with no hidden fees. It is a remote-first company with a focus on engineering excellence and scalable solutions.

UK 4w PTO

  • Design, build, and operate production-grade agentic systems for developers.
  • Develop core agent infrastructure including orchestration, tool execution, and evaluation.
  • Own projects end to end from opportunity identification to launch and iteration.

Our partner is a fast-growing Series C technology company that builds AI-powered developer tools. The organization is fully remote with an autonomous culture focused on engineering ownership and collaboration.

$168,000–$210,000/yr
US Unlimited PTO

  • Drive technical design, implementation, and quality of critical backend features and integrations.
  • Own the system by which services are designed, implemented, and maintained, and unblock yourself resourcefully.
  • Mentor less experienced developers and participate in hiring decisions.

Hungryroot uses AI to build the most consumer-centric food and wellness company, acting as a personal assistant for healthy living. It is a distributed remote-first team of top talent across 28+ U.S. states with a headquarters in New York City.

Global

  • Design, build, and ship reliable software for AI-powered scientific workflows.
  • Build scalable backend services, APIs, data pipelines, and integrations with laboratory instruments and enterprise systems.
  • Own projects end to end from technical design through implementation, deployment, monitoring, and iteration with customers.

Expert Intelligence is building the AI decision layer for analytical laboratories. We are a growing startup with a team of engineers and scientists, working on hard problems at the intersection of AI and science.

$190,000–$210,000/yr
US Unlimited PTO

  • Owns the architecture and implementation of distributed, high-scale backend systems and APIs serving ML models in production.
  • Leads technical design for AI integration, driving fine-tuning and deployment of LLMs and transformers for business-critical use cases.
  • Mentors engineers across teams, sets platform-wide engineering standards, and collaborates with cross-functional leaders to align technical strategy with business goals.

Foodsmart is the leading Foodcare platform in the U.S., combining personalized clinical nutrition care, behavior change tools, and food benefits to improve health outcomes and lower costs. Serving over 3 million members and backed by a $200M investment from TPG's Rise Fund, the company fosters a culture of customer focus, urgency, and teamwork.

Global 5w PTO

  • Own architecture-level decisions on integration-heavy systems connecting Origination & New Products to Rosso, Data, and Billing.
  • Ship the first new product category live and generating qualified pipeline within 6 months.
  • Solve the tendering automation problem that limits quote volume, and contribute to productising the manual pricing process.

Tem is rebuilding the global energy transaction infrastructure, making electricity buying, selling, and pricing transparent and fair. They have raised a $75 million Series B and are scaling internationally with a remote, flexible culture.

$204,000–$290,000/yr
US Unlimited PTO

  • Set technical strategy for the team and drive large-scale, business-impacting projects.
  • Collaborate with product, design, and analytics to ensure technical sustainability and manage trade-offs.
  • Foster engineering quality and talent development through code review standards and mentorship.

Affirm is a financial technology company that provides transparent, flexible payment solutions, allowing consumers to pay over time without hidden fees. The company is remote-first and values inclusivity, offering competitive benefits and a collaborative culture.

$165,000–$200,000/yr
United States

  • Design and implement RESTful APIs with OpenAPI specs and SQLAlchemy for the first AI-native hardware development platform.
  • Develop ingestion pipelines using Celery and Redis to extract structured engineering artifacts from unstructured inputs.
  • Build and extend agentic AI workflows using LangChain and LangGraph for proactive coordination and risk detection.

Re:Build operates an advanced, end-to-end manufacturing platform partnering with industrial companies to take products from concept to production. They are a growing company focused on revitalizing America's manufacturing base and creating meaningful jobs across the country.

$160,000–$200,000/yr
US

  • Build and scale backend systems and APIs for our data platform.
  • Collaborate with front-end engineers, product, and data teams to deliver robust features.
  • Engage in system design, code reviews, and continuous improvement.

Syllo is a unified litigation platform that enables legal professionals to harness AI throughout the litigation lifecycle. With enterprise customers including top law firms and corporations, we are rapidly expanding to reduce legal costs and promote merit-based outcomes.

  • Design and build AI-powered product features using LLMs, document agents, and agentic workflows.
  • Develop backend services and APIs for model inference, orchestration, and tool execution.
  • Handle production realities of AI including prompt design, structured output, and cost control.

Firstwork is an applied AI company building the HR operations platform for frontline hiring. The platform processes millions of requests daily and serves a global workforce, with a focus on AI-native solutions and a fast-paced product environment.

Global 5w PTO

  • Expand DevDawg and Spice, cloud development environments paired with automated review and root-cause tooling that can approve real pull requests.
  • Build the paved roads for our API layer with consistent patterns for REST, GraphQL, auth, and permission plumbing.
  • Own how we see production with observability, metrics, alerting, and the readiness bar before shipping.

Close builds communication-first, AI-powered sales software to help teams sell more, faster. We are a bootstrapped, profitable 120-person company with a 100% remote team focused on building a CRM that gets out of your way.

Global

  • Build and operate backend systems serving AI-powered insurance workflows in production.
  • Design and implement AI orchestration layers connecting models, APIs, workflows, and business logic.
  • Optimize latency, throughput, and cost across AI services (caching, batching, streaming, routing).

We are a platform that leverages AI for decisioning, automation, and orchestration. We are a global engineering team working across multiple countries to build reliable, scalable AI systems.

US

  • Design, develop, and launch backend systems at scale using Python or Kotlin.
  • Collaborate with team and stakeholders to balance speed and quality while protecting system reliability.
  • Contribute to community through growth and development activities and navigate large codebases.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees. They are a remote-first company that values transparency and employee well-being, offering competitive benefits and a collaborative culture.