Source Job

US Unlimited PTO

  • Set technical direction for backend development, designing scalable web application systems alongside AI coding agents, while mentoring and elevating team programming maturity.
  • Contribute to new product development of complex in-browser applications, balancing customer-facing features with technical debt cleanup for sustainability.
  • Architect and implement applications applying ML techniques to large data volumes, designing systems for good performance and reliability with structured human oversight.

Java Scala Rust Distributed Systems

20 jobs similar to Sr/Staff Software Engineer, Backend | Web Products

Jobs ranked by similarity.

$180,000–$200,000/yr
US

  • Design and build scalable backend services and APIs.
  • Develop integrations with healthcare and financial systems.
  • Build reliable, observable data ingestion and processing pipelines.

This healthcare AI startup builds products that help providers navigate reimbursement landscapes using machine learning and AI. It has assembled an exceptional technical team and is fast-growing.

$170,000–$220,000/yr
US Unlimited PTO 12w maternity 12w paternity

  • Design and deliver large-scale, real-time systems with high quality, scalability, and operability.
  • Collaborate with product management, data engineering, and teams to bring end-to-end solutions to customers.
  • Take operational ownership using monitoring and observability tools to identify and respond to issues.

Signifyd helps merchants grow their businesses by building trusted relationships and providing fraud-free commerce solutions. We securely process billions of transactions annually and foster a culture of commitment, empathy, and creativity.

$90,000–$120,000/yr
US Unlimited PTO

  • Own backend features end-to-end from discovery to rollout.
  • Design and evolve distributed systems with performance and scalability.
  • Build and maintain APIs and data pipelines for analytics and machine learning.

Traackr is a global SaaS company providing a data-driven influencer marketing platform. The company is remote-first with offices in multiple countries and a culture based on trust, diversity, value, ownership, and mutual success.

$172,000–$242,000/yr
US Unlimited PTO

  • Own and scale distributed systems for orchestration, APIs, and data paths.
  • Apply query-engine expertise to optimize work execution and data movement.
  • Exercise strong technical judgment on ambiguous problems.

Prefect builds and operates resilient, Pythonic orchestration and MCP platforms used for mission-critical workloads. This remote-first company fosters a supportive, high-performance culture that empowers team members to do their best work.

$160,000–$200,000/yr
Global Unlimited PTO

  • Contribute to the architecture and improvement of our data acquisition and processing platform, increasing reliability, throughput, and observability.
  • Use and develop web crawling technologies to capture and catalog data on the internet.
  • Build, operate, and evolve large-scale distributed systems that collect, process, and deliver data from across the web.

People Data Labs provides people and company data, integrating thousands of compliantly sourced datasets into a single source of truth. They are a remote-first company focused on building innovative data solutions, with a collaborative team that values ownership and learning from failure.

$176,000–$253,000/yr
US Unlimited PTO

  • Partner with product and clinical teams to turn vision into shipped product, owning architecture end to end for new member- and care team-facing experiences.
  • Apply broad technical judgment across languages and systems, using modern engineering and AI-assisted tools to quickly evaluate tradeoffs and guide delivery.
  • Set the quality bar with clean, well-tested, scalable code and mentor other engineers to remove ambiguity and ship fast.

Omada Health is reverse engineering the way healthcare is delivered in America, focusing on chronic conditions between doctor visits. They have served over two million members across 2000+ employers and health plans and are a certified Great Place to Work.

Global Unlimited PTO

  • Take full ownership of backend features from scoping through to production, keeping the team informed on progress, risks, and blockers.
  • Design and deliver backend services that handle real payment volume with a focus on reliability, performance, and correctness at scale.
  • Contribute to architecture discussions, advocate for clear service contracts, and write production-ready code with the next engineer in mind.

Primer is a unified infrastructure for global payments that provides finance and payments teams with visibility and control to reduce complexity and capture more revenue. Backed by Sofina, Peak XV Partners, and others, it is a remote-first company with a collaborative and mission-driven culture.

$146,200–$215,000/yr
US Unlimited PTO

  • Design, build, and scale backend services and APIs for Flex's core financial infrastructure, including payments and ledger systems.
  • Drive end-to-end delivery of high-impact initiatives from requirements to operational excellence.
  • Partner with cross-functional teams including Product, Finance, Risk, and Compliance to build scalable, compliant payment experiences.

Flex is a growth-stage FinTech company creating a better rent payment experience by allowing users to pay rent on a schedule that fits their budget. The company has a global team across the US, Australia, Canada, and South America, and fosters an inclusive culture with a focus on deliberate growth.

US

  • Set technical strategy for your team on a year-long time scale and collaborate across teams to ensure technical sustainability.
  • Act as a force-multiplier by defining technical solutions and operational processes for your team.
  • Foster a culture of quality and ownership by setting code review and design standards and developing talent through feedback.

Affirm is a publicly-traded financial technology company that reinvents credit by offering buy now, pay later services without hidden fees or compounding interest. It has a strong engineering culture focused on building robust, fault-tolerant systems and emphasizes collaboration and quality.

US

  • Design, develop, and enhance backend systems for enterprise AI governance.
  • Build scalable services and contribute to architectural decisions.
  • Collaborate with product and engineering teams to deliver impactful features.

The company builds a governance platform that helps organizations manage and scale responsible AI initiatives. Its size is not specified, but it fosters a collaborative, innovative culture focused on learning, continuous improvement, and diversity.

$160,000–$220,000/yr
US

  • Architect, design, and implement backend services including our core API.
  • Write code mostly in Scala and promote technical design standards.
  • Continuously improve product architecture and build tools for the platform.

Pattern Data is an AI-powered platform for mass tort litigation, automating case analysis for law firms. We are a collaborative, high-ownership team that values transparency and solving hard problems.

US

  • Lead design and implementation of backend services for large-scale, data-rich healthcare applications.
  • Drive architecture decisions for integrations with third-party data sources and APIs.
  • Mentor engineers and elevate engineering standards through design reviews and operational excellence.

Omada Health is reverse engineering healthcare delivery in America, focusing on chronic conditions like obesity, diabetes, and hypertension. They are a publicly traded company (Nasdaq: OMDA) that has served over two million members and employ a virtual-first model with human-led care teams.

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.

Canada

  • Define and drive the technical direction of backend systems, leading architecture discussions and translating product requirements into scalable solutions.
  • Build, maintain, and improve backend platforms that power content discovery, personalization, reading, and listening experiences.
  • Drive cross-functional technical execution and promote a culture of technical excellence and collaboration.

Everand is a digital content platform that enables discovery and engagement with ebooks, audiobooks, and more. The company has a global audience and fosters a collaborative remote-first culture.

India

  • Lead the design and architecture of complex, high-scale backend services and integrations.
  • Mentor and guide engineers through thoughtful design and code reviews.
  • Champion reliability, observability, automation, and operational excellence.

Spreetail propels brands to increase their ecommerce market share across the globe while improving their operational costs. They are building one of the fastest-growing ecommerce companies in history, with a culture of high ownership and technical excellence.

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.

Global

  • Design and build high-performance backend services and APIs for early-stage startups.
  • Optimize databases, caching layers, and event-driven architectures.
  • Collaborate with cross-functional teams to align backend strategy with business goals.

SignalFire is a venture capital firm that partners with early-stage startups shaping the future of technology. Our portfolio spans 200+ companies across AI, cybersecurity, healthtech, and fintech.

$190,000–$260,000/yr
3w PTO 12w maternity 12w paternity

  • Design and build crawling, indexing, and retrieval systems for Firecrawl Search at scale.
  • Push down latency and cost per query while improving ranking quality for LLMs.
  • Own services end-to-end from design to production with a focus on speed and iteration.

Firecrawl provides the easiest way to convert web content into clean, LLM-ready data for AI agents. With 147k+ GitHub stars and rapid growth to 8-figure ARR, we are a small, fast-moving team building infrastructure that other AI companies rely on.

$180,000–$205,000/yr
United States

  • Own core backend platform features end-to-end, from concept and architecture through deployment and iteration.
  • Build and maintain low-latency, highly available backend services that power real-time threat detection.
  • Collaborate cross-functionally in a fully remote, distributed team environment.

This AI-first startup builds the next generation of physical threat intelligence and critical event management, combining real-time AI-powered 911 radio monitoring with OSINT from social networks. The company has strong early traction, meaningful ARR, and is backed by top-tier seed investors, operating as a lean, high-output team.

North America And Canada Unlimited PTO

  • Design and develop scalable, maintainable, and reusable software components with a strong emphasis on performance and reliability.
  • Collaborate with product managers to translate requirements into well-architected solutions, owning features from design through delivery.
  • Contribute to the design and implementation of new products and features while enhancing existing product capabilities and integrating automated testing.

ServiceNow is the AI control tower for business reinvention, helping 85% of the Fortune 500 work smarter with an AI platform that brings together any AI, any data, and any workflow. The company fosters an AI-native culture where technology and talent are unstoppable, with a large global workforce and a focus on innovation and continuous learning.