Source Job

$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.

React Node.js Go TypeScript PostgreSQL

20 jobs similar to Senior Software Engineer, Fullstack

Jobs ranked by similarity.

US

  • Drive product-led growth by architecting end-to-end features for self-onboarding, upgrades, and checkout flows. - Own full-stack features from database schema to polished frontend using React, TypeScript, and Node.js. - Collaborate with Product, Design, and Data to run experiments and deliver high-quality user experiences.

Overflow is a fintech and SaaS platform that enables giving through cash, stock, and crypto for churches and nonprofits. It is a growth-stage, Series C company backed by leading venture firms, with a culture rooted in generosity and excellence.

US

  • Design, build, and maintain backend code to support features used by 5 million users, including backend development in Typescript and regular participation in code reviews.
  • Provide technical leadership and assist in guiding the team's overall technical direction, offering mentorship and pairing with other engineers regularly.
  • Work closely with product and design teams to define feature specifications and build products using frameworks such as React.js and React Native.

Dave is a financial app on a mission to build products that level the financial playing field, leveraging technology to create affordable, transparent, and user-centric access to liquidity for millions of Americans. As a virtual-first company, Dave fosters a collaborative culture where team members are valued, heard, and empowered to do their best work.

Global

  • Lead the design and delivery of complex, cross-cutting features spanning APIs, data models, and UI while mentoring mid-level engineers to raise the overall engineering bar.
  • Drive technical direction for new payments capabilities, including architecture trade-offs, operational feasibility, and risk assessment across a cloud-native orchestration platform.
  • Use AI-assisted development tools effectively and contribute to incident response, root-cause analysis, and platform reliability in a 100% remote team.

Xplor Technologies provides modern vertical software, embedded payments, and AI-powered capabilities for membership-based and service-based industries. With over 130,000 businesses in 72+ countries and $47 billion in annual payment volume, the company fosters a values-driven, inclusive culture focused on innovation and collaboration.

$102,930–$144,540/yr
Canada

  • Build and implement new product features for frontend and backend using React, TypeScript, Golang, and Node.js.
  • Own end-to-end consumer-facing claim experiences, including storefront integrations and embeddable widgets.
  • Uphold code quality standards, mentor teammates through code review, and contribute to CI/CD and GCP infrastructure.

Narvar is a platform that drives customer loyalty through seamless post-purchase experiences for retailers. With 1300+ brand partners, including Nike and GameStop, and hubs across the globe, the company fosters an innovative and inclusive culture.

Canada Unlimited PTO 16w maternity 16w paternity

  • Design, build, and deliver backend systems and APIs in Go with clarity and backward compatibility.
  • Build and maintain full-stack product features using React/TypeScript and Go.
  • Provide technical leadership, collaborate across disciplines, and support software in production.

Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do. We've scaled past the 200-person mark, were named to Forbes' America's Best Startups of 2022 and 2023, and are a fully distributed company with a culture of trust, autonomy, and accountability.

US

  • Lead frontend and fullstack implementation workstreams for carrier and enterprise partner integrations, owning architecture and delivery from kickoff through production.
  • Architect scalable UI layers and API integrations, setting reusable patterns for partner-facing surfaces across implementations.
  • Champion engineering excellence through comprehensive testing strategies, security-first thinking, and AI coding tool best practices.

Bestow is a leading vertical technology platform that modernizes life insurance by unifying the legacy value chain for carriers. Backed by investors like Goldman Sachs and trusted by major insurers, Bestow is powered by a team that moves with precision, purpose, and heart.

$160,000–$230,000/yr
US

  • Build backend services, APIs, and data layers powering product domains like outreach automation, payments, reporting, and analytics.
  • Own data modeling, ETL, and vendor SDK integrations while contributing to React frontend and internal tooling.
  • Partner with Product throughout the development lifecycle, author technical specs, and contribute to CI/CD and development infrastructure.

Pearly is a B2B SaaS and payments company serving over 2,500 dental offices. They are scaling rapidly with a hyper-modern stack and a focus on shipping impactful capabilities.

Mexico

  • Design and build key components for EarnIn's time-and-attendance system, including backend services (Golang) and frontend features (ReactJS).
  • Collaborate closely with product managers, designers, and engineers to deliver high-impact features that meet customer needs.
  • Conduct code reviews, ensure code quality, and resolve production issues with a focus on root cause analysis and continuous improvement.

EarnIn is a pioneer of earned wage access, providing real-time financial flexibility to those living paycheck to paycheck. They have a world-class leadership team, funding from top investors like A16Z and Matrix Partners, and a healthy core business with a strong growth trajectory.

US Unlimited PTO

  • Collaborate cross-functionally with product, ops, sales, and marketing to build platform solutions.
  • Write maintainable end-to-end code and perform exhaustive tests before review.
  • Mentor team members and manage work schedules as a self-starter in an asynchronous environment.

Better Health is creating a new medical provider type, disrupting the $60B home medical supply industry by bundling peer support, coaching, education, and home delivery. Since 2019, Better Health has gained licenses in 48 states, serves top payers, and is backed by leading investors, growing a diverse team united by shared values.

Canada Unlimited PTO

  • Build and ship product features end-to-end, from design to implementation.
  • Mentor fellow engineers and lead application architecture decisions.
  • Collaborate with cross-functional teams using JavaScript, Node.JS, and modern front-end frameworks.

Optro is the leading audit, risk, ESG, and InfoSec platform on the market, serving over 50% of the Fortune 500. With over $300M ARR and recognized as one of the 500 fastest-growing tech companies in North America for seven years, we foster a collaborative culture focused on innovation and customer success.

United States

  • Own end-to-end feature development, shipping production-ready full stack applications with clean, scalable code.
  • Collaborate cross-functionally with product, design, and engineering teams to define and execute technical solutions.
  • Contribute to system architecture and technical decision-making across frontend, backend, APIs, and databases.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly and fairly. They support hiring for various companies and manage initial candidate screening.

US Unlimited PTO

  • Lead a small engineering team across multiple initiatives, ensuring clear scope, execution discipline, and delivery accountability, while remaining hands-on in code development.
  • Design and build robust GraphQL and REST APIs, scalable backend services, and data ingestion workflows using React, TypeScript, Node.js, SQL, and modern monorepo setups.
  • Drive engineering excellence through code quality, testing best practices, architecture documentation, and mentoring engineers via code reviews and structured feedback.

RxVantage is a small company with a mission to connect healthcare providers with life science experts and resources to improve patient care. They power over 1 million educational exchanges annually and have a proven product, a strong mission, and a passionate team.

  • Design, build, and own user-facing features in React and TypeScript, setting the technical direction and quality bar for the frontend.
  • Use AI and agentic development tools like Claude to move quickly and establish best practices for AI-assisted development.
  • Dip into Go for backend services, collaborate with stakeholders, and contribute to product roadmaps.

Sardine is the leading agentic risk platform for fighting financial crime, unifying data to stop fraud and automate operations. With over 6 billion profiled devices, 800 million consumers, and 3 million businesses, Sardine is a rapidly growing company with a remote-first culture that values performance and flexibility.

US Unlimited PTO

  • Design and scale fullstack solutions for a digital care platform serving people with chronic conditions.
  • Collaborate with product, operations, and business teams to translate needs into reliable software.
  • Write clean, maintainable code and contribute to engineering strategy and system architecture.

This is a hiring platform that uses AI to match candidates with roles at partner companies. They process applications and share top candidates with employers, focusing on objective and fair reviews.

$140,000–$155,000/yr
US Unlimited PTO

  • Design and build full stack applications using React, Node.js, TypeScript, and AWS technologies to power secure web and mobile experiences.
  • Contribute to architectural decisions and implement event-driven solutions to improve scalability and reliability.
  • Take ownership of features from design through deployment, ensuring operational excellence and collaboration with product and design teams.

NetDocuments is the world’s #1 trusted cloud-based content management and productivity platform that helps legal professionals do their best work. The company has been named among Inc. Magazine’s 5000 Fastest-Growing Private Companies in America and is a five-time Top Workplace in the US.

$124,800–$183,400/yr
US

  • Lead full stack architecture and system design, owning backend and frontend execution across consumer-facing features.
  • Optimize systems for performance, reliability, and cost, treating production health as a first-class priority.
  • Coordinate cross-functional delivery and set engineering standards as the team's technical anchor.

GOAT Group operates leading platforms for authentic sneakers, apparel and accessories, including GOAT, Flight Club, Grailed and alias. With a global community of over 60 million members across 170 countries, the company is backed by top venture capital firms and emphasizes a dynamic, collaborative engineering culture.

$180,000–$200,000/yr
US

  • Build across the stack, owning fullstack features end to end from design through release.
  • Collaborate cross-functionally and take ownership in a fast-moving, meeting-light environment.
  • Use AI tools as a force multiplier and help shape our AI-native development practices.

Archive builds the technology that powers branded resale for some of the world's most beloved companies, including Lululemon, The North Face, New Balance, Dr. Martens, Peloton, and 50+ others. We're a small, low-ego team with high agency, backed by leading venture capital firms, and committed to changing consumer behavior for the better.

US

  • Define front-end architecture and technical strategy for complex UI systems using React, Angular, Next.js, TypeScript.
  • Lead back-end development and API architecture, integrating systems with Node.js, Python, PostgreSQL, MongoDB.
  • Drive monitoring, observability, and reliability practices while mentoring engineers and setting engineering standards.

Robots & Pencils is an applied AI engineering firm building AI co-workers for enterprise operations. Founded in 2009 with delivery centers globally, we are a smaller, faster, senior team averaging 15+ years of experience, known for being a nimble alternative to traditional systems integrators.

US Unlimited PTO

  • Design, build, and test APIs and services that power RoadieXD, Roadie's cross-dock solution.
  • Develop internal and customer-facing tools in React to enable cross-dock operations to scale efficiently.
  • Partner with Engineering, Product, and Operations to solve complex logistics challenges and influence technical direction.

Roadie is a logistics and delivery platform that helps businesses manage complex retail delivery needs. A UPS company with over 310,000 independent drivers nationwide, it focuses on scalability and flexibility in a fast-paced environment.

$135,000–$160,000/yr
US 4w PTO

  • Work on both front-end and back-end platform technologies to deliver functional features.
  • Collaborate closely with Product Owners, Lead Product Designer, and other stakeholders.
  • Contribute insights into technologies, patterns, and practices used in software development.

Discern is a modern registered agent and entity management software provider. As a venture-backed company, we develop compliance technology for all US jurisdictions. Our team is engaged and collaborative, with extensive experience from corporate and tech startup environments.