Source Job

US Unlimited PTO

  • Implement, test and maintain new user-facing functionality on our eCommerce platform.
  • Build scalable backend services and APIs that power our web applications.
  • Partner with other senior engineers to contribute to high-level decisions about architecture and design.

React TypeScript Ruby On Rails JavaScript SQL

20 jobs similar to Senior Software Engineer, eCommerce

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US Unlimited PTO

  • Build and ship features that drive measurable outcomes for customers and servicing agents.
  • Employ best practices like code reviews, automated testing, and continuous delivery for quality and speed.
  • Collaborate cross-functionally with product managers, backend engineers, and operations leads to shape end-to-end experiences.

OnePay is a consumer fintech platform that brings together banking, savings, credit cards, lending, investing, and crypto. Backed by Walmart and Ribbit Capital, they are a high-growth company with a fast-paced, mission-driven culture.

US Canada Mexico 4w PTO 16w maternity 4w paternity

  • Design and implement features for the Marketplace, including shop integrations and Fleetio Pay.
  • Collaborate with Product Managers, Designers, and Engineers to deliver scalable, high-quality software.
  • Write maintainable, well-tested code and participate in code reviews to ensure quality and consistency.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. We raised $450M in Series D funding in March 2025 and are a proud founding member of the Rails Foundation, with a fast-paced, collaborative culture.

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.

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.

Brazil

  • Design and develop responsive web pages and user interfaces that support business objectives.
  • Optimize web applications for performance, scalability, reliability, and speed.
  • Collaborate with backend engineers to integrate services and deliver complete solutions.

Our partner is building a fast-growing technology environment focused on innovative financial solutions. The company operates remotely with a collaborative culture and high ownership, offering equity and professional growth opportunities.

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.

US

  • Design and develop scalable, secure, and maintainable React-based web applications for enterprise administrative workflows.
  • Collaborate with backend engineers to integrate REST APIs and deliver seamless application functionality.
  • Participate in code reviews, provide constructive feedback, and help maintain high engineering standards.

This opportunity is with a partner company in the cybersecurity space. The company is dedicated to building secure, scalable solutions for enterprise customers worldwide.

UK Unlimited PTO

  • Take ownership of crafting intuitive, secure, and high-performance user experiences for mission-critical financial products.
  • Lead frontend architecture decisions and contribute to scalable design systems and reusable UI components.
  • Collaborate closely with product, design, and engineering teams to deliver features from concept to production.

Our partner is building next-generation financial applications powered by modern web technologies and blockchain infrastructure. They operate with a high-autonomy, mission-driven culture and offer a fully remote environment with a focus on innovation and collaboration.

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.

Pakistan

  • Develop high-quality software design and architecture using React and JavaScript.
  • Identify, prioritize, and execute tasks in the software development life cycle.
  • Collaborate with internal teams and vendors to fix and improve products.

Moniepoint Inc. is Africa's all-in-one financial platform, helping 20 million businesses and individuals access seamless payments, banking, credit, and business management tools. With over $250 billion in annual transaction value, the company fosters a culture of innovation, teamwork, and growth, prioritizing employee well-being and continuous learning.

$170,000–$230,000/yr
US Unlimited PTO

  • Lead the architecture, design, and delivery of large scale frontend applications across web and mobile.
  • Build and evolve high performance React and React Native applications.
  • Define and enforce frontend best practices, including performance optimization, accessibility, and maintainability.

Vetcove modernizes veterinary software and the pet parent healthcare experience with a marketplace, ecommerce, and practice management system. Backed by Y Combinator and top venture investors, the company is a fast-growing, mission-driven team serving over 25,000 hospitals across the US.

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.

$127,500–$178,000/yr
US

  • Develop and maintain web applications using React, Next.js, and Node.js to power e-commerce systems.
  • Collaborate with cross-functional teams to design, optimize, and deliver high-performance user interfaces.
  • Debug and resolve issues across the stack to ensure high availability and reliability.

Oura empowers people to own their inner potential through its award-winning health tracking ring and app. As a quickly growing company focused on health and happiness, it fosters a dynamic and inclusive work environment.

Brazil

  • Develop and maintain scalable, high-performance frontend applications using React and Next.js.
  • Collaborate with Product, Design, and Backend teams to deliver seamless and user-friendly experiences.
  • Integrate APIs and backend services into frontend applications and ensure responsive design and accessibility.

Sigma Software is a software engineering company that partners with global clients to deliver innovative projects at the intersection of FinTech and AI. The company values engineering excellence, collaboration, and continuous growth in a supportive international environment.

$90,000–$120,000/yr
Global

  • Build and maintain the Searchandizing dashboard for global e-commerce brands.
  • Collaborate with product managers, designers, and engineering managers to deliver features.
  • Own the full stack from idea to live deployment, ensuring quality and performance.

Constructor provides an AI-first search and product discovery platform tailored for enterprise e-commerce, generating consistent revenue lifts for major brands. The company is a US-based remote team founded in 2015, valuing innovation, collaboration, and a proactive culture.

$90,000–$100,000/yr
US

  • Deliver engaging, high-quality web experiences by implementing new features and refining user interfaces.
  • Collaborate with engineering, product, and design teams to translate design specifications into polished, production-ready applications.
  • Optimize applications for performance, accessibility, and cross-browser compatibility while participating in code reviews and improving front-end architecture.

Blueprint is a technology solutions firm that helps organizations unlock value from existing assets using cutting-edge technology. With a strong US presence, they value their people, unique perspectives, and foster a bold, smart, agile, and fun culture.

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.

$100,000–$130,000/yr
Canada

  • Collaborate with product managers, designers, and backend engineers to build scalable, high-performance frontend applications.
  • Own features end-to-end from requirement refinement to delivery, ensuring cross-browser compatibility and accessibility.
  • Advocate for engineering best practices, including CI/CD workflows, automated testing, and operational excellence.

Xsolla is a global commerce company that provides tools and services to help video game developers solve industry challenges. Headquartered in Los Angeles, the company has helped over 1,500 game developers worldwide and fosters a collaborative, inclusive culture.

$148,000–$198,000/yr
United States

  • Contribute directly to our codebase, building features as well as addressing bugs and technical debt directly with an eye towards code quality and best practices.
  • Drive systemic changes to the development processes that will result in increased confidence of the product from both a contributor and customer perspective.
  • Collaborate with UX, Customer Success, and Product to find unique sustainable solutions to customers needs and use cases.

Magnet Forensics is a global leader in digital investigative software that acquires, analyzes, and shares evidence from computers, smartphones, tablets, and IoT-related devices. Serving thousands of customers globally, the company is expanding its global presence and values continuous learning and a diverse workforce.

$160,000–$180,000/yr
Global Unlimited PTO

  • Drive self-serve product offerings to bring prospective customers into our products and grow new revenue.
  • Design and update systems using good design patterns on both frontend and backend for extensibility and evolution.
  • Ensure data integrity and reliability of frontend surfaces and application stacks.

People Data Labs is a provider of people and company data, integrating thousands of compliantly sourced datasets into a developer-friendly source of truth. The company values extreme ownership and teamwork, focusing on building data products for data teams and independent developers.