Source Job

$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

NodeJS Typescript AWS Azure Google Cloud

20 jobs similar to Senior Software Engineer, Backend

Jobs ranked by similarity.

$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.

  • 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.

Europe

Strengthen Enode’s Connect platform and integrations. Design and implement backend features that support customer use cases. Contribute to the architecture and reliability of the Connect platform and scale.

Enode’s platform powers the next generation of green energy apps by connecting and optimizing the world’s energy devices through our APIs.

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.

$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.

Canada 4w PTO

  • Build and evolve core risk systems and decisioning infrastructure.
  • Design and implement scalable backend services that support fraud prevention and compliance.
  • Improve data instrumentation and observability to enable accurate risk analysis and reporting.

Shakepay is reimagining financial services to give every Canadian their fair shake by making buying and earning bitcoin fast, easy, and secure. They have a passionate, loyal, and growing community, with over one million Canadians using Shakepay.

$180,000–$210,000/yr
US

  • Contribute to the design, development, and optimization of a cutting-edge data platform.
  • Collaborate with Product, Operations, and cross-functional teams to implement scalable and maintainable features.
  • Tackle challenging problems in distributed systems, optimize cloud-native solutions, and help drive engineering best practices.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Their system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company.

US

  • Design and build scalable, reliable backend systems critical to day-to-day operations.
  • Identify and solve complex technical challenges and collaborate across teams.
  • Drive innovation that supports the mission to deliver impactful and cohesive solutions.

Rula is dedicated to treating the whole person and aims to create a world where mental health is no longer stigmatized. Rula is a remote-first company that currently hires in most U.S. states and is dedicated to having a culture of inclusion that will support its employees.

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.

Solace is a healthcare advocacy marketplace that connects patients and families to experts who help them understand and take charge of their personal health.

$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.

US

  • Develop and maintain backend services that enable digital asset transactions and crypto product functionality
  • Design APIs and event-driven architectures to support high-volume, secure, and efficient transaction processing
  • Partner with platform and infrastructure teams to ensure system scalability, resilience, and observability

Jobgether is a company that helps partner companies find the right candidates for their open positions. They use an AI-powered matching process to ensure applications are reviewed quickly, objectively, and fairly against the role's core requirements.

$175,000–$185,000/yr
US Canada Unlimited PTO

  • Guide the team in delivering high-quality, well-tested technical solutions.
  • Own projects through the entire software development lifecycle.
  • Leverage understanding of business and engineering strategies to design high-value projects.

Trellis is a profitable, fast-growing Series A startup backed by General Catalyst, QED, NYCA, and Amex Ventures that is reimagining how people shop for home and auto insurance.

US

Expanding backend engineering team to support core technical foundation. Architecting and shipping robust data pipelines, protocol integrations, and high-throughput APIs. Design and build mission-critical systems used by some of the most important players in crypto and finance.

Yield.xyz unifies staking, restaking, stablecoin, and DeFi yield across blockchains into a single platform that gives developers seamless access to diversified yield opportunities.

$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.

$210,000–$232,000/yr
US Unlimited PTO 11w maternity 11w paternity

  • Write high quality and well tested code, and review code from other team members.
  • Design, build, and maintain a large-scale production system on the cloud, ensuring smooth operation and high availability.
  • Provide guidance and technical leadership to peers in navigating architectural and coding tradeoffs.

Uniswap Labs builds products that help millions of people access DeFi simply and securely ‒ from the Uniswap Web App and Wallet to crypto infrastructure.

Global

Seeking a Senior Backend Developer to design and maintain the core backend systems powering a global, high-performance platform. Contribute to building scalable, secure, and innovative features that directly impact users worldwide. Tackle challenging technical problems in a fast-paced, innovative environment that values autonomy and collaboration.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

  • Build features and systems with attention to detail and performance.
  • Own end-to-end development, from conception to production.
  • Work closely with cross-functional stakeholders to deliver a world-class product.

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

Canada 4w PTO

  • Participate in building financial products of the future.
  • Write high quality, well-tested, production level code.
  • Collaborate on setting a tech vision for the company.

Shakepay is reimagining financial services to give every Canadian their fair shake, making buying and earning bitcoin fast, easy, and secure since 2015.

  • 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.

Design and scale the core technology powering instant bookings and automated workflows. Architect high-impact integrations between Base360.ai and partners like Airbnb and Stripe. Deploy and manage serverless infrastructure (AWS) with a focus on speed and global scale.

The Flex believes renting a home should feel instant, intelligent, and effortless — the same simplicity as booking a ride.