Source Job

US

  • Design and build scalable services and APIs for web applications.
  • Architect and maintain robust backend systems and database models.
  • Analyze product requirements and produce high-quality, production-ready code.

Typescript Node React API Design Database

20 jobs similar to Senior Backend Engineer

Jobs ranked by similarity.

Europe UK

  • Design, build, and extend back‑end systems using Supabase.
  • Develop and maintain TypeScript‑based APIs and integrations.
  • Collaborate with front‑end developers to deliver end‑to-end features.

Renew Earth operates a technology platform that helps businesses measure, validate, and realize the value of nature by combining scientific data with business intelligence tools.

US

  • Design, develop, and maintain high-quality, scalable web applications and platform services.
  • Build robust backend services and APIs using modern frameworks and cloud-native patterns.
  • Provide architectural direction, evaluate technical trade-offs, and guide long-term platform evolution.

We are seeking an experienced Senior Fullstack Developer who excels in both hands-on engineering and leading projects.

$156,000–$185,000/yr
US Unlimited PTO 12w maternity 6w paternity

  • Design, develop, and maintain backend services, APIs, and data pipelines that power Knock's customer-facing and internal applications.
  • Architect and build scalable backend services using Node.js and TypeScript, ensuring they integrate seamlessly with our frontend experiences.
  • Contribute to AI-powered features and initiatives, integrating AI services to enhance our risk analysis and decision-making capabilities.

Knock is redefining the home buying and selling experience. They are a passionate team of industry experts who knew there had to be a better, simpler way for people to navigate the journey between homes and have been honored as one of Inc.’s Best Workplaces six times in the past seven years.

  • Design, develop, and maintain full-stack features using Python on the backend and React with TypeScript on the frontend.
  • Build and evolve backend APIs and services to support complex workflows and integrations.
  • Contribute to system architecture, ensuring scalability, security, and maintainability.

Our client builds digital platforms for local governments, helping modernize public-sector operations with secure, scalable web applications.

  • Develop and maintain robust, scalable backend systems using Node.js (Express and NestJS).
  • Collaborate with engineers, designers, and product managers to drive projects forward.
  • Tune and optimize database queries for maximum efficiency and performance.

ClickUp is an AI workspace, unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI.

US

  • Implement new features and functionality within Localize’s core product.
  • Develop and maintain REST APIs with Node/Express/MongoDB that power the frontend application.
  • Modernize and evolve an existing codebase to improve patterns and architecture.

Localize's platform is used by 700+ companies to automate the translation of their web and mobile applications to bring their products & services to new markets.

$200,000–$250,000/yr
US

  • Lead end-to-end delivery and drive technical direction across a real-time, high-scale product surface.
  • Architect, build, and evolve systems spanning backend services and modern web UIs that power live calling workflows.
  • Partner closely with Product and Design, shaping the roadmap as engineering, product, and design are equal partners.

Orum's AI-powered suite frees salespeople to do what they do best: connect, listen, and sell.

  • Architect, develop, and optimize scalable backend services.
  • Drive the evolution of our platform’s core infrastructure.
  • Ensure reliability, performance, and seamless integration across our ecosystem.

ClickUp is building the first truly converged AI workspace, unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI.

$150,000–$210,000/yr
US

As a pivotal member of our engineering team, you will report directly to the Backend Lead and play a crucial role in shaping our technical direction. You thrive on the challenge of transforming concepts into remarkable solutions and are well-versed in a variety of backend technologies, Engage in complex engineering challenges on the backend, covering creating dashboards, data aggregation, machine learning, and the development of scalable services. Contribute to the development and deployment of our technology ecosystem, gaining proficiency in new technologies as you go.

Fi is a passionate team transforming the human-pet relationship by developing cutting-edge technology to revolutionize what it means to be a pet parent.

$150,000–$220,000/yr
US

  • Ownership over large domains and features related to card processing/issuing, and core ledgering of financial transactions
  • Play a critical role in the development, design, and maintenance of Flex's platform and services.
  • Architect well thought-out services and data models that ensure Flex's continued growth

Flex is building a finance super app for premium business owners, reimagining the financial workflow and services for entrepreneurs. They focus on mid-market businesses and are a fully remote company, with a team that values autonomy, clarity, and quality.

  • Develop high-quality, responsive web applications using TypeScript, Javascript, React, Express.
  • Design and implement server-side APIs, data models, and business logic using mainly Express framework
  • Create client-side function-based React components, hooks, stories, and tests to interact with your server-side work

Deel is the all-in-one payroll and HR platform for global teams, built for the way the world works today. They are among the largest globally distributed companies in the world, with a team of 7,000 spanning more than 100 countries, and a connected and dynamic culture.

US

  • Develop, test and iterate on product features spanning frontend, backend, and cloud infrastructure.
  • Work closely with product, design, QA, and business teams to translate requirements into production-ready features.
  • Design and build integrations with third-party services such as social media, eCommerce, AI and financial services.

They are a VC-funded creator marketplace app connecting eCommerce brands with everyday social media users. They are a high-growth, remote-first startup that offers a flexible 4- day work week, with a small, collaborative team.

US Europe

  • Design, develop, and maintain clean code, ensuring top-tier performance and reliability.
  • Take full ownership of the software development lifecycle, ensuring seamless delivery and operation.
  • Design, build, test, and deploy a highly scalable and resilient system architecture.

Epistemix empowers organizations to make smarter decisions by simulating real-world outcomes using synthetic populations.

Spain

As a Senior Full-stack Engineer, you’ll play a key role in shaping and evolving our Echo Design System. You’ll help build and maintain the component libraries and documentation that every frontend engineer at Typeform relies on. You’ll also collaborate closely with Product Design, bringing an engineering perspective to design reviews and sign-offs.

Typeform is a leading provider of innovative survey and data collection solutions, known for our flagship product, Typeform.

  • Collaborate in a Cross-Functional Team: Work closely with Frontend Engineers, Product Teams, Designers, and QA professionals to create seamless experiences.
  • Participate in Product Planning: From discovery to deployment, we value your input throughout all stages of the Software Development Lifecycle.
  • Develop and Enhance Features: Collaborate to develop robust new features, APIs, and continuously improve our industry-leading products.

Deel is the all-in-one payroll and HR platform for global teams, with a vision to unlock global opportunity for every person, team, and business. The company's 7,000 team members span more than 100 countries, speak 74 languages, and bring a connected and dynamic culture.

$158,440–$198,050/yr
Canada

Design, develop, and maintain secure, high-performance crypto wallet systems and backend infrastructures. Architect modular, scalable, and secure backend infrastructures that support mass adoption and operational excellence. Collaborate with cross-functional teams to define technical requirements, optimize setups, and ensure integration with ecosystem partners.

This position is posted by Jobgether on behalf of a partner company.

US 4w PTO

  • Design and build API endpoints for client integrations.
  • Improve database and query performance.
  • Integrate with a wide range of third-party services.

Kalepa's state-of-the-art AI Copilot platform empowers underwriters to make smarter, faster, and more accurate decisions in the commercial insurance industry.

Latin America

Contribute to the full lifecycle of modern web applications, from front-end development to cloud-ready backend services. Build intuitive, high-quality user interfaces using React, TypeScript, HTML, CSS, and component libraries. Write server-side logic using JavaScript/TypeScript on Node.js, including data processing and application logic.

At EX Squared LATAM, we collaborate with innovative digital teams to build cutting-edge products and high-performing engineering environments.

$175,000–$200,000/yr

  • Design and implement backend systems, services, and APIs.
  • Build out system microservices and develop cloud services.
  • Define system architectures and service contracts.

Magnify is the next-generation automation platform for the post-sales experience—we grow revenue and reduce churn for software companies without adding headcount.

US

  • Building and maintaining fullstack product features from frontend to backend
  • Considering user experience, workflows, and clarity when implementing solutions
  • Contributing meaningfully across UI, APIs, and services

FlowFuse builds end-to-end product features across frontend and backend systems. They value collaboration with Product, Design, and Engineering peers.