Source Job

US Unlimited PTO

  • Craft streamlined user flows and build robust APIs for bank administrators and customers.
  • Write clean, thoroughly documented, and well-tested code with emphasis on error handling and edge cases.
  • Provide technical guidance and code reviews, raising the bar for teammates.

Node.js Python TypeScript REST APIs System Design

20 jobs similar to Senior Backend Engineer

Jobs ranked by similarity.

US

  • Architect, design, and develop robust backend systems, APIs, and distributed services using modern programming languages.
  • Lead the implementation of scalable and secure RESTful APIs to support front-end and third-party integration.
  • Define and enforce architectural best practices across the full development stack, including code quality, testing, security, and observability.

Herbalife is a global nutrition company that has been changing people's lives with great products since 1980. They offer a variety of benefits to eligible employees in the U.S. and foster a collaborative, high-performing environment.

US Unlimited PTO

  • Design, build, and deliver scalable, user-facing applications in a modern cloud environment.
  • Collaborate with engineers and stakeholders to translate complex requirements into working solutions.
  • Improve code quality through testing, code reviews, and thoughtful design decisions.

540 is a forward-thinking company that helps the government innovate and solve mission-critical problems. They break down barriers and build impactful technology. The company offers a flexible PTO policy and values work-life balance, creating a positive team environment.

US Canada Unlimited PTO

  • Guide your team in delivering high quality, well tested technical solutions.
  • Own projects through the entire software development lifecycle from planning to maintenance.
  • Expertly navigate complex systems to identify key challenges and create plans to address them.

Trellis is rewriting the insurance experience with a customer-first mindset through its licensed agency Savvy. It is a profitable, fast-growing Series A startup with a remote-first team that moves quickly and experiments boldly.

  • Design, develop, test, deploy, and maintain high-quality backend services and supporting systems.
  • Collaborate with product managers and designers to translate functional requirements into technical solutions.
  • Mentor engineers and provide technical leadership through design reviews, code reviews, and architectural guidance.

Zelis is modernizing the healthcare financial experience across payers, providers, and healthcare consumers. We serve more than 750 payers and millions of healthcare providers and consumers across our platform of solutions. Zelis fosters a hybrid and remote friendly culture.

$135,000–$170,000/yr
US Unlimited PTO

  • Design, build, and maintain scalable backend services, APIs, and distributed systems using Python and cloud-native architectures.
  • Develop modern full-stack applications and internal platforms using React/Next.js and related frontend technologies.
  • Lead complex technical initiatives from architecture and design through implementation and deployment.

Impiricus is the first and only AI-powered HCP Engagement Engine that ethically connects HCPs to pharma resources, reduce go-to-market costs and accelerate patient access to the treatments they need. Deloitte named Impiricus the #1 fastest growing company in North America in 2025.

North America EMEA

  • Develop and deploy backend product features end-to-end using Python.
  • Design and implement high-quality, performant RESTful APIs/FastAPI.
  • Write efficient PostgreSQL queries, design schemas, and manage data integrity.

Optro is the leading audit, risk, ESG, and InfoSec platform on the market, surpassing $300M ARR and continuing to grow. They inspire each other to innovate and are proud of what they produce, assisting each other to create the most loved platform by their customers.

US

  • Design, develop, and maintain scalable web applications and APIs using Ruby on Rails
  • Move fluently between Rails and other frameworks/languages depending on the client engagement
  • Architect and implement service-oriented and microservices-based solutions

NextLink Labs helps companies build, scale, and secure their software applications and organizations. As a remote-first company, they work to ensure a comfortable and collaborative work environment.

  • Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies.
  • Collaborate with product, frontend, and QA teams to define technical requirements and ensure smooth integration with other platform components.
  • Optimize existing services for maximum performance, reliability, and maintainability while implementing CI/CD best practices.

Oscilar builds an advanced AI Risk Decisioning Platform that helps banks, fintechs, and digital organizations manage fraud, credit, and compliance risk. The team includes industry veterans from Meta, Uber, Citi, and Confluent, and operates with a mission-driven culture emphasizing ownership and innovation.

Ireland

  • Design, develop, and maintain Python-based APIs and microservices for a global workforce management platform.
  • Collaborate with product managers, designers, and engineers across remote cross-functional squads.
  • Contribute to architecture, documentation, and continuous improvement of secure, scalable backend systems.

Our partner is a platform enabling companies to hire and manage talent across borders with ease. It is a fast-growing, remote-first engineering organization with collaborative squads across time zones.

$124,200–$198,700/yr
US

  • Design, build, test, deploy, and maintain scalable, reliable platform services and shared libraries.
  • Contribute to platform and system architecture decisions with a focus on reliability, scalability, and developer experience.
  • Write high-quality, maintainable code and set a strong example of engineering best practices.

Oportun is a mission-driven financial services company that aims to help its members reach their financial goals. They have provided more than $21.3 billion in responsible and affordable credit and saved its members more than $2.5 billion in interest and fees.

US Canada

  • Design, build, and maintain backend services that power core business workflows
  • Own projects end-to-end, from early design through production and iteration
  • Design APIs and data models that are clear, stable, and easy to work with

Short Story is an award-winning, technology-powered retailer dedicated to petite women 5'4" and under. As a fast-growing startup, they're revolutionizing retail with a data-driven learning system that leverages customer feedback to create tailored products.

Global 4w PTO

  • Design and implement Sokuvo's API layer: REST endpoints, latency optimization, versioning contracts.
  • Own third-party integrations: GitHub, Jira , Slack, Confluence, Cursor , Google Drive.
  • Build and maintain the backend services supporting Sokuvo's delivery stations.

Arionkoder is a leading Product Development, Artificial Intelligence, and Team Augmentation studio that crafts better futures for humanity. They rely on cutting-edge technology to create impressive digital products and solutions that widen your global reach. They have been dreamers and still are.

US Unlimited PTO

  • Lead the execution of the team's most complex technical initiatives across the full stack.
  • Lead technical design and architecture for complex features, ensuring solutions are maintainable and scalable.
  • Mentor and uplevel engineers through actionable code reviews and knowledge sharing.

NerdWallet's mission is to bring clarity to all of life’s financial decisions. They've built an inclusive, flexible, and candid culture where you’re empowered to grow and take smart risks.

$3,500–$4,000/mo
US

  • Build and maintain backend services and full-stack features
  • Develop scalable APIs and systems handling high-volume traffic
  • Improve system performance, reliability, and security

Lavendo partners with startups and high‑growth companies to help them hire top‑tier sales, go‑to-market, and technical talent. At Lavendo, they partner with clients who care about building high‑performing, inclusive teams, and they hold themselves to the same standard.

$7,583–$8,666/mo
Europe

  • Design and build various high-performance backend microservices.
  • Integrate data from our AI/Ml classification algorithm.
  • Collaborate with Product, Design, and Developers to create an amazing user experience.

WearLinq is a healthcare startup emerging from Stanford University, on a mission to democratize healthcare. Our integrated ecosystem of hardware, software, and services aims to bridge gaps between patients and healthcare providers. Our leadership team is primarily located in the San Francisco Bay Area and Singapore but our software team is in Poland working fully remote.

US

  • Design the systems that power every financial report and statement, from monthly reports to daily statements to custom client requests.
  • Build automated frameworks that guarantee accuracy and consistency for every number sent to clients.
  • Collaborate closely with Data Engineers on data contracts and SLAs to ensure seamless integration between the data engine and API layer.

Anchorage Digital is building the world’s most advanced digital asset platform for institutions to participate in crypto. Founded in 2017, Anchorage Digital is a regulated crypto platform that provides institutions with integrated financial services and infrastructure solutions.

Europe

  • Develop backend features using TypeScript and Node.
  • Design and evolve GraphQL APIs and data models.
  • Operate and improve PostgreSQL-backed data pipelines.

Morpho is a leading Decentralized Finance (DeFi) lending protocol. They raised $70 million to build an open lending network giving anyone access to the best possible terms and are scaling their team of contributors to establish itself as a cornerstone of DeFi.

US

  • Lead the design and development of core platform features using Python and an API-first approach.
  • Build scalable, reliable backend services that power our applications, integrating seamlessly with a modern cloud-based architecture.
  • Collaborate with design and product teams to ensure that what we’re building is scalable, maintainable, and secure.

Agiloft is a global leader in data-first contract lifecycle management (CLM) software, helping organizations manage the end-to-end contract process. The company has a vibrant culture, supports multiple Employee Resource Groups (ERGs), and values work/life balance.

Global

  • Build and scale the production version of the core customer onboarding platform through hands-on development.
  • Ship critical, high-impact features that directly influence the user experience and drive growth.
  • Optimize frontend and backend performance and integrate key third-party APIs for payments, analytics, and messaging.

Homera Health builds some of today's largest and fastest-growing D2C telemedicine brands. As a diverse, global team expanding market operations, we hire world-class talent to build next-generation virtual healthcare experiences.

$143,200–$243,400/yr
North America Canada Unlimited PTO

  • Design, develop, and maintain backend services and APIs for the IAM platform, ensuring high performance and scalability.
  • Collaborate with cross-functional teams to build features that align with business goals and meet security requirements.
  • Enhance the performance, security, and scalability of the IAM platform through code reviews, testing, and refactoring.

ServiceNow, acquiring Veza, pioneers in identity security, focuses on answering the fundamental question of who can and should take what action on what data. With the scale and resources of an enterprise platform company, they maintain the product velocity and mission-driven focus of a security innovator.