Source Job

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

  • Ship product end to end, from backend services and APIs to dashboard and developer-facing UIs.
  • Build the tools developers and agents use to reach Nango: APIs, SDKs, CLI, MCP and the web app.
  • Work directly with customers to understand their integration and agent use cases, then turn what you learn into a product.

TypeScript Node.js React API Design Distributed Systems

20 jobs similar to Senior+ Full-Stack Engineer

Jobs ranked by similarity.

$145,500–$235,400/yr
US

  • Build and ship end-to-end product capabilities across frontend and backend systems.
  • Develop user experiences using TypeScript and React, along with services and APIs using Go, Python, or comparable tools.
  • Collaborate with Product, Design, Data, and engineering partners to balance usability, performance, reliability, and time to value.

LaunchDarkly provides a feature management platform that helps engineering teams ship software and AI with speed, safety, and control. They are a growing company that values humble, open, collaborative, and kind teams.

US Unlimited PTO

  • Own technical side of credit union implementations end to end: integrations, configuration, testing, go-live, and early production.
  • Write production code in a TypeScript/NestJS monorepo: agent modules, prompts, tools, evals, and platform capabilities.
  • Travel ~20% to credit union sites for kickoffs and go-lives, turning field insight into product decisions.

Clutch is a vertical SaaS company backed by Andreessen Horowitz that builds AI agents to help credit unions serve their members. It is a small, senior startup with a seven-engineer Agents team and a direct, evidence-driven, async culture.

US

  • Build customer workflows end to end, spanning data models, APIs, web interfaces, and mobile experiences.
  • Partner with product to shape technical plans, surface risks, and stage delivery in useful increments.
  • Own quality and operations, from tests and feature flags to monitoring and incident response.

Odin is a workforce visibility and compliance platform powering infrastructure projects like AI data centers and clean energy construction. We've grown over 7x from 2024 to 2025, and our team is scaling to meet accelerating demand.

  • Design, build, and ship full stack features for our digital health platform.
  • Own major parts of the codebase and lead project execution with cross-functional teams.
  • Write clean, tested, high-performance code while elevating engineering standards.

Nourish is an AI-native digital health system that matches patients with dietitians, physicians, medications, lab testing, and AI agents for insurance-covered care across all 50 states. Founded four years ago, it has completed millions of appointments, tripled yearly, and raised $215M, fostering a high-bar, no-ego culture.

Argentina 18w maternity 12w paternity

  • Design and build Nest.js service scaffolding for new backend services in our next-gen monorepo.
  • Own the deployment story for services on Cloudflare and interoperability with AWS and Kubernetes.
  • Lead migrations of codebases into the monorepo, turning each into a repeatable recipe.

Webflow is the agentic web marketing platform for modern marketing teams, helping organizations build, manage, and optimize high-performing web experiences. They move fast without sacrificing craft or quality.

Mexico 0w PTO

  • Build and maintain the full-stack matching-to-transaction spine, including Go backend services and React/TypeScript frontend surfaces for Capacity Matching and the Inflect Gateway.
  • Evolve algorithmic matching, confidence scoring, and cost-optimization logic to satisfy precision and explainability requirements, while serving as backup owner for RouteFinder and Site Prover clusters.
  • Partner with data and lead-to-cash pods, deliver well-tested observable code, and conduct pull-request assessments under pod technical direction.

Inflect is a US-based advisory and marketplace that transforms how companies buy and sell digital infrastructure such as datacenter, cloud, and network services. The company is focused on removing friction from procurement processes so businesses can get what they need with the right deal terms.

LATAM Europe 3w PTO

  • Design, build, and maintain full-stack features across frontend applications and backend services.
  • Develop and maintain backend APIs for onboarding, authentication, transaction lifecycles, and operational workflows.
  • Build and enhance front-end experiences in customer-facing and internal web applications.

Veta Virtual is a talent company that hires for high-growth clients in the fintech and cryptocurrency industry. They foster a collaborative, high-trust culture and offer fully remote work opportunities.

Argentina 18w maternity 12w paternity

  • Build and operate reliable cloud services on AWS and Cloudflare, covering compute, storage, networking, and managed infrastructure.
  • Evolve the infrastructure that powers web applications and AI agents on Webflow Cloud, including CDN and edge computing.
  • Own features end-to-end, from customer problem through design, implementation, rollout, and ongoing improvement while using AI-assisted development practices.

Webflow is an agentic web marketing platform that helps modern marketing teams build, manage, and optimize high-performing web experiences. Webflow is a growing, privately held company that values grit, craft, quality, and equality, and offers a remote-first culture with comprehensive benefits.

India

  • Own architecture and development across Agency Module, Onboarding, and Platform Billing.
  • Build scalable backend services and modern frontend experiences using Node.js, TypeScript, and Vue.js.
  • Drive technical decisions, adopt AI-assisted development, and ensure reliability, security, and performance.

HighLevel is an AI-powered business operating system that helps agencies, entrepreneurs, and SMBs build, automate, and scale. With over 2,000 team members across 10+ countries, HighLevel is a global, remote-first organization that values speed, ownership, and execution.

North America Unlimited PTO

  • Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
  • Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
  • Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.

Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.

US

  • Own the data layer: design Postgres schema, migrations, and enforce tenant isolation and data governance.
  • Build for multiple regions: design region-aware architecture and enforce data residency.
  • Own the API surface: design public APIs with versioning, deprecation, and backwards compatibility.

Nametag helps companies verify the real person behind high-risk workforce actions, from account recovery to identity checks, before attackers can exploit the gap. They are a remote-first, US-based team with meaningful equity ownership and flexible schedules.

US

  • Build and maintain scalable backend services, distributed systems, and APIs for the AgentControl product.
  • Collaborate with product managers, designers, and engineers to improve GenAI workflows and drive architecture decisions.
  • Take ownership of production code, participate in on-call rotations, and optimize performance, reliability, and scalability.

LaunchDarkly is a feature management platform that helps developers deliver and control software features safely. The company values humility, collaboration, and diversity, and is committed to building a high-trust, transparent team.

$160,000–$200,000/yr
US

  • Build and scale a modern cloud-based platform with a focus on backend systems and full-stack development.
  • Own features from design through deployment, improving products and systems from the ground up.
  • Work in a remote environment collaborating closely with product and engineering teams.

Mindgrub Talent is a talent sourcing company that helps fast-growing technology companies build and scale cloud-based platforms. The firm focuses on high-growth startups and product-driven engineering environments, valuing ownership and innovation.

Latin America

  • Build and maintain the dashboard in TypeScript and React, designing data-dense interfaces.
  • Integrate with back-end APIs, implement role-based access, and own performance and accessibility.
  • Write automated tests, review teammates' code, and collaborate with product and design.

Caliza is commercial banking infrastructure for cross-border companies, replacing banks and spreadsheets with one API. We're a remote fintech startup backed by top investors, with a team from Visa, Nubank, and EBANX.

UK Unlimited PTO

  • Own features end-to-end from problem space to technical modeling and UX execution.
  • Build complex backend systems and intuitive frontend interfaces to fight fraud.
  • Collaborate with Design, Data, Product, and Account Management teams.

Sardine is the leading agentic risk platform for fighting financial crime, helping organizations stop fraud and automate AML operations. Remote-first and values performance over hours, hiring self-motivated individuals with extreme ownership.

$3,000–$3,200/mo
Latin America

  • Build and maintain a TypeScript monorepo including a Next.js web app, Expo mobile app, and Cloudflare Worker.
  • Manage a PostgreSQL + Prisma data model and background systems such as webhook handlers, queued messaging, and scheduled jobs.
  • Own security-sensitive paths and the AI layer, including LLM tool-calling over financial data and proactive insights.

GoFasti is a Talent-as-a-Service company that connects world-class developers and designers from Latin America with first-class companies around the globe. They make remote work remarkable and foster a culture of continuous learning, proactive communication, and strong attention to detail.

$126,000–$190,000/yr
US Unlimited PTO

  • Design, build, and ship production agents end to end, including tools, prompts, context assembly, and frontend experiences.
  • Maintain evaluations and instrument production to measure acceptance, latency, and cost per agent.
  • Work with founders, product, and design to solve ambiguous engineering problems across the full stack.

Relativity is a legal data intelligence company building AI-powered software for litigation and investigations. Gavel is a small, founder-led team within Relativity focused on Word-based legal drafting, with a collaborative and innovative culture.

North America 6w PTO

  • Design, build, and operate full-stack web applications and backend services for Grafana's usage and billing workflows.
  • Build and maintain backend APIs (Golang, Node.js) and intuitive user interfaces using TypeScript and React.
  • Collaborate across product, DealOps, GTM, Support, and AppCore squads to deliver robust end-to-end features.

Grafana Labs is the company behind Grafana Cloud, a fully managed observability platform trusted by over 10,000 organizations for reliability and incident resolution. We are a 100% remote company with team members across 40+ countries, backed by leading investors and an open-source legacy.

Hungary

  • Design and build well-architected TypeScript features end to end for AML services, including case management and admin panel.
  • Lead team-level design reviews, write design docs, and challenge requirements that don’t add up.
  • Take part in on-call rotation, debug complex cross-system issues, and mentor engineers to raise the bar.

SEON is the command center for fraud prevention and AML compliance, helping thousands of companies stop fraud and reduce risk. The company is fast-growing, partnering with digital brands like Revolut, Wise, and Bilt.

Global

  • Set technical direction across Coder’s agent harness, integrations, and workflows.
  • Design and build production systems in Go, with work across React and TypeScript where needed.
  • Lead complex projects from early ambiguity through production.

Coder is a leading platform for AI development infrastructure, enabling enterprises to run human and AI-driven workflows in secure, governed environments. The company provides self-hosted, agent-ready workspaces and fosters a collaborative, AI-forward culture.