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US Unlimited PTO 16w maternity 16w paternity

  • Own architecture and rollout strategy for critical platform services from design through migration.
  • Set the technical bar for designing, publishing, and maintaining customer-facing APIs.
  • Act as a force multiplier by mentoring engineers and driving RFCs and decision records.

TypeScript Node.js React MongoDB System Design

20 jobs similar to Senior Fullstack Software Engineer

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US Unlimited PTO 16w maternity 16w paternity

  • Lead complex projects with multiple stakeholders to deliver significant business impact.
  • Set direction for critical technical areas to stay ahead of rapid growth.
  • Design and develop new product functionality using TypeScript, React, and Node.js.

Vanta helps businesses earn and prove trust by enabling continuous security monitoring and verification. The company has a kind and talented team, growing rapidly with offices in SF, NYC, London, Dublin, Tel Aviv, and Sydney.

Global Unlimited PTO 16w maternity 16w paternity

  • Set technical strategy and direction for critical platform surface areas.
  • Design and evolve the APIs, primitives, and self-service golden paths.
  • Build secure, well-documented, scalable backend services and developer tooling.

Vanta helps businesses earn and prove trust by automating security monitoring and compliance. The company has a kind and talented team and is growing rapidly.

US Unlimited PTO 16w maternity 16w paternity

  • Own complex projects from problem definition through design, rollout, and operation.
  • Design and evolve backend systems, APIs, and data models for the Test runtime platform.
  • Improve reliability, correctness, performance, and observability of the Tests system.

Vanta provides a trust management platform that helps businesses continuously monitor and prove their security and compliance. The company has a kind and talented team with a diverse culture that values inclusion and innovation.

Global 4w PTO 16w maternity 16w paternity

  • Design and build high-quality, scalable systems and shared libraries that multiple engineering teams depend on.
  • Partner deeply with product engineering teams to understand their needs and translate them into clean, well-documented APIs and services.
  • Drive technical decisions and influence architecture across team boundaries, with a focus on developer experience and platform scalability.

Vanta helps businesses earn and prove trust by automating security monitoring and compliance. The company has a kind and talented team with offices in SF, NYC, London, Dublin, Tel Aviv, and Sydney.

Argentina Unlimited PTO 12w maternity

  • Design, implement, and scale multi-tenant backend services and APIs using Node.js, Typescript, MongoDB, GraphQL, Apollo, and AWS.
  • Lead projects contributing to team deliverables, author design documents, and mentor junior engineers.
  • Collaborate with product managers and designers in an autonomous, supportive team environment.

Webflow is the agentic web marketing platform for modern marketing teams, helping organizations build, manage, and optimize high-performing web experiences. We are an Equal Opportunity employer committed to building an inclusive global team.

$100,000–$165,000/yr
US Unlimited PTO

  • Design, build, and maintain scalable full-stack systems with depth in backend services using TypeScript/Node.js and Python.
  • Contribute to architectural decisions, system design, and production readiness across AWS cloud infrastructure.
  • Mentor engineers, refine standards, and drive consistent delivery of well-scoped releases in a remote team.

Inizio Evoke is a healthcare company focused on making health more human through innovative solutions. They are an equal opportunity workplace emphasizing a fully remote, collaborative culture with outstanding company-paid benefits.

US

  • Develop scalable platforms and services to support Rula's Revenue Cycle Management operations.
  • Apply strong software engineering fundamentals and product thinking to solve complex operational challenges.
  • Collaborate with engineering, operations, and business stakeholders to improve efficiency and reliability.

Rula is a mental healthcare company dedicated to treating the whole person and making mental health an integral part of overall well-being. They are a remote-first team with a culture that values diversity, equity, and inclusion.

$120,000–$160,000/yr
US

  • Scope ambiguous customer asks, prototype quickly, and iterate into stable customer deployments using Tailor's platform.
  • Productize repeatable solutions, turning bespoke implementations into scalable modules for accounting, e-commerce, and logistics.
  • Build and ship production-grade features across the stack, from front-end UIs to backend APIs, integrations, and data models.

Tailor pioneers Headless ERP technology, helping growing companies design internal workflows that fit their business. They are a remote-first early-stage company building adaptive, composable infrastructure for multi-channel retailers, manufacturers, and B2B businesses.

US

  • Take end-to-end ownership of features and products across the stack, from interfaces to backend infrastructure.
  • Work closely with product, design, operations, and finance to gather requirements, prototype quickly, and ship with confidence.
  • Own features from first prototype through launch, iteration, and beyond.

Agora is building stablecoin infrastructure, including AUSD and a full-service platform for issuing, managing, and integrating stablecoins. It is a small, mission-driven startup backed by Paradigm and Dragonfly, with a culture of high ownership, clear thinking, and high-velocity decision making.

Bulgaria 5w PTO

  • Be part of a cross-functional product team, working closely with Software Engineers, Product Management, UX, and other specialists.
  • Design, build, and evolve Advanced Tables capabilities using TypeScript, React, and Atlassian Forge.
  • Build new integrations with Jira and other cloud data sources, working with REST APIs and different data formats.

Appfire creates software that empowers teams to collaborate seamlessly. We are a team of 800+ employees working remotely across 28 countries.

$140,000–$220,000/yr
North America LATAM Europe

  • Design and scale backend systems, APIs, and services for an open-source platform.
  • Build world-class developer interfaces including APIs, SDKs, UIs, and a runtime that delights developers.
  • Collaborate directly with customers to solve integration challenges and shape the product roadmap.

Nango is a developer infrastructure company and the leading provider of API access for agents and apps. It is a YC-backed, multi-million ARR company with a team of 14 from AWS, Snyk, GitHub, and others, serving over 400 paying customers.

US

  • Design and build user-facing systems and integrations for secure, next-gen interfaces.
  • Own the frontend experience layer, converting complex operator requirements into reliable UIs.
  • Work hands-on building and operating systems in partnership with product designer and engineering teams.

Ruya AI is a venture-backed defense-tech company building AI-native intelligent software for sovereign institutions. They are headquartered in Massachusetts with offices across the US, Europe, and the Middle East, and are expanding their engineering team with people who demonstrate strong ownership and judgment.

North America 5w PTO

  • Design, build, and ship full-stack features end-to-end with TypeScript/Node.js and React.
  • Shape product decisions, challenge requirements, and measure the impact of shipped features.
  • Treat security, data residency, and compliance as first-class concerns in a regulated environment.

Limbic uses AI to augment clinical care and improve access to therapy. They are a growing company with an inclusive and supportive culture.

Spain 5w PTO

  • Design and evolve Advanced Tables for Confluence using TypeScript, React, and Atlassian Forge.
  • Build integrations with Jira and other cloud data sources via REST APIs and various data formats.
  • Take ownership throughout the product lifecycle, from design to testing and resolving escalated customer issues.

Appfire creates software that empowers teams to collaborate seamlessly across silos. With over 800 employees working remotely across 28 countries, the company fosters a culture of flexibility and ownership.

$155,000–$195,000/yr
US

  • Design and build new products, developing high-performance backend services in Node/Go and intuitive React frontends.
  • Optimize SQL databases, design gRPC and REST APIs, and integrate with LLM/AI services for intelligent features.
  • Mentor developers, participate in architecture discussions, and advocate for engineering quality and team culture.

GoGuardian provides award-winning learning solutions for K-12 schools. We are an outcomes-focused remote team of diverse, mission-driven employees who value collaboration and accountability.

UK

  • Design, build, and maintain backend services and APIs that support GTM and growth platforms.
  • Contribute across the stack, including frontend work, and guide technical direction for systems you own.
  • Review code, mentor junior engineers, and document system design decisions for distributed teams.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. Trusted by more than 50 million users and 50% of the Fortune 100, GitLab fosters a high-performance, values-driven culture where AI is a core productivity multiplier.

$115,000–$195,000/yr
US Canada Unlimited PTO

  • Design, develop, and maintain features across the stack with a focus on scalable architecture and performance.
  • Write clean, efficient, well-documented code in TypeScript/JavaScript, contributing to React Native mobile app and backend services.
  • Participate in technical design discussions, lead by example through code reviews, and mentor early-career engineers.

Roo is a veterinary staffing platform that connects animal healthcare professionals with animal hospitals for relief work and hiring. They have a network of over 20,000 veterinary professionals and serve 9,000 animal hospitals, with a culture of bias to urgency and measurable impact.

Canada

  • You will design, develop, and optimize shared technologies that enable product teams to deliver exceptional digital experiences.
  • You will contribute to platform architecture, improve engineering workflows, and help maintain reliable, scalable systems across web and mobile ecosystems.
  • You will mentor teammates through code reviews, pairing sessions, and knowledge sharing.

This role offers the opportunity to build and scale the technology foundations behind modern digital entertainment experiences. You will join a client platform team focused on improving developer productivity, application performance, accessibility, and reliability across customer-facing products.

$4,792–$5,495/mo
Georgia 6w PTO

  • Design, build, and maintain clean, efficient, and scalable backend services in Node.js and TypeScript.
  • Develop new product features from concept to deployment, collaborating closely with product managers and frontend engineers.
  • Own key parts of our backend architecture, making critical decisions that enhance performance, reliability, and security.

Fundraise Up is a global fundraising platform that makes donating to nonprofits fast and accessible. The company has 160+ product professionals, including 80+ engineers, and fosters a culture of technical curiosity and knowledge sharing.

US

  • Build and maintain scalable platforms and services that support payments, claims submission, and operational workflows for the Revenue Cycle Management team.
  • Apply strong software engineering fundamentals and product thinking to solve complex operational challenges and improve efficiency.
  • Collaborate closely with engineering, operations, and business stakeholders to enhance reliability and cost-effectiveness across critical business functions.

Rula is a remote-first mental healthcare company dedicated to making mental health care accessible and evidence-based. They are a growing team that values diversity, equity, and inclusion, and they aim to empower individuals to take charge of their mental well-being.