Source Job

$101,600–$127,000/yr
UK 5w PTO

  • Simplify workflows: Translate operational needs into reliable code that reduces manual effort by deciding when and what to automate.
  • Evolve the architecture: Identify ways to modernise systems, managing trade-offs to keep them dependable as they scale.
  • Advocate for quality: Advocate for better engineering practices using code reviews and design sessions as a sounding board for the team.

Python Django PostgreSQL React TypeScript

20 jobs similar to Senior Back End Engineer

Jobs ranked by similarity.

Europe

  • You will be responsible for owning and delivering quarterly goals for your team.
  • You will support your peers and stakeholders in the product development lifecycle.
  • You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are a remote-first company with competitive benefits.

5w PTO

  • Own the design, implementation, and evolution of complex product areas and backend systems.
  • Build and maintain user-facing interfaces and backend services/APIs as required by the product.
  • Lead by example in code reviews, uphold and evolve shared engineering standards, and drive improvements to the quality, structure, and maintainability of the codebase over time.

NexGen Cloud is building a next-generation GPU cloud infrastructure. They are a scale-up by design, moving fast, solving complex problems and building technology that has real-world impact, with a team of curious, driven people who care deeply about quality, ownership and collaboration.

US

  • Design, implement, and maintain high-quality systems using Python on the backend and React / Next.js on the frontend, with emphasis aligned to your strengths
  • Lead technical design and implementation of complex, cross-team initiatives from concept through delivery
  • Act as a technical lead, building deep system knowledge and helping teams navigate architectural trade-offs

The Zebra is building the next evolution of our insurance platform—expanding how consumers engage with our products beyond comparison alone. They intentionally strive to create inclusive, diverse teams where different backgrounds and perspectives are valued.

$75,193–$100,282/yr
Europe

  • Be responsible for owning and delivering quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Design and implement backend services and APIs using Python or Kotlin, operating within Affirm’s microservice and event-driven architecture.
  • Proactively identify opportunities to improve system reliability, team efficiency, or architecture and lead efforts to address them.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are a remote-first company with an emphasis on valuing their employees.

US

  • Build and ship features across frontend and backend systems
  • Move seamlessly between Next.js, SvelteKit, and Hono depending on what the problem requires
  • Work with Postgres as the primary data layer, designing schemas and optimizing queries

SERHANT. is the most followed real estate brand in the world, calibrated for the marketplace of tomorrow, delivering proven results for buyers, sellers, and developers. SERHANT. revolutionizes the traditional brokerage model by innovating through media and content creation and is powered by a full-service in-house film studio as well as an amplification platform.

$120,000–$175,000/yr
Global 3w PTO

  • Own end-to-end execution for backend systems and infrastructure.
  • Implement and validate end-to-end payment and data pipelines.
  • Build and maintain customer-facing integrations between DualEntry and third-party platforms.

DualEntry, founded in 2024, is a rapidly growing AI startup focused on revolutionizing the finance industry. They provide an AI-native ERP solution that automates manual data entry, catering to businesses ranging from $5M-ARR to NYSE-listed companies.

Latin America

  • Collaborate with other developers, product owners and managers, and business stakeholders to craft new product features and improvements for our platform
  • Bring projects from initial concept through all cycles of development: from project definition to development, debugging, initial release and subsequent iteration
  • Build enterprise level solutions, ensuring scalability, supportability and maintainability

Bluelight is a leading software consultancy dedicated to designing and developing innovative technology that enhances users' lives. They are in an exciting phase of expansion and continually seeking exceptional talent to join its dynamic and diverse community.

US

  • Drive planning and prioritization of projects based on product, technical, and business goals by leveraging relevant resources and data.
  • Work cross functionally with colleagues in Experience, Accounting, Product, and Analytics teams to set and execute our money movement strategy for the Debit card
  • Build APIs and data models to work within micro-service and event-driven architectures

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm is experiencing explosive growth with millions of customers across thousands of merchants in-store and online, and its culture is built on honesty and trust.

Europe

  • Expand ability to deliver reliable and scalable metadata systems.
  • Work on end‑to-end implementation of features, improve test coverage, and contribute to our big‑data and API infrastructure.
  • Primarily be contributing code within a cross-functional team, typically a few engineers, a designer, a data scientist, and a product manager.

Chartbeat Inc. is the parent company of Chartbeat, Tubular Labs, FatTail, and Lineup Systems. Together, they’re shaping the future of media strategy and revenue. Chartbeat's intuitive and powerful software has long empowered media brands to use their own data to build loyal audiences.

$125,000–$175,000/yr
Canada

  • With support, break down projects into tasks, deliver in phases, and collaborate for timely delivery.
  • Support peers and stakeholders by collaborating with product management, design & analytics.
  • Support operations and availability by creating/monitoring metrics and supporting on-call efforts.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The company is remote-first with employees working almost anywhere within the country of employment and focuses on providing a simple and transparent pay structure.

$150,000–$180,000/yr
US

  • Assist in leading projects from design to delivery.
  • Partner with product managers and designers to define requirements during discovery and planning.
  • Collaborate with developers to deliver those requirements on time as new features or improvements to existing functionality.

Judi Health is an enterprise health technology company providing a comprehensive suite of solutions for employers and health plans. We are a late-stage startup with stability and startup energy with a focus on delivery, but healthy processes with a strong financial outlook that provides a sense of security.

Canada

  • You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
  • You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
  • You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm is remote-first company with a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.

$123,696–$254,667/yr
US

  • Own and deliver key product features from design through deployment.
  • Mentor and support engineers, offering guidance and helping to reinforce high engineering standards across the team.
  • Ship high-performing and resilient APIs that adhere to industry standards and are delightful to use.

tvScientific is the first and only CTV advertising platform purpose-built for performance marketers. They leverage massive data and cutting-edge science to automate and optimize TV advertising to drive business outcomes.

$91,459–$128,043/yr
Canada

  • With the support of your team’s tech lead and manager, you will break down larger projects into individual tasks.
  • You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation.
  • You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are experiencing explosive growth with millions of customers across thousands of merchants in-store and online, and contributions from new employees will be a key enabler of that growth.

Europe 7w PTO

  • Own complex integration and platform problems from discovery and design through to delivery, iteration and long-term evolution.
  • Strengthen and evolve existing integrations, improve internal tools and processes, and turn legacy or manual workflows into scalable, reliable systems.
  • Collaborate closely with designers, customer success and other engineers to enhance the product and the system behind it in a tight feedback loop.

Nory is an all-knowing restaurant management system that blends real-time data with AI predictive analytics, giving operators control of their margins. They are a company of 80+ people across Ireland, the UK, Spain and recently, New York.

Europe

  • Design, develop, and maintain full-stack web applications, ensuring high performance, scalability, and security
  • Implement new features and enhancements in a well-tested, maintainable, and efficient way
  • Collaborate with product managers and UX designers to create intuitive, responsive, and accessible interfaces

Exadel is an AI-first global tech company with 25+ years of engineering leadership. We have 2,000+ team members and 500+ active projects powering Fortune 500 clients, and our people are ambitious, collaborative, and constantly evolving.

$120,000–$140,000/yr
US Unlimited PTO

  • Design, build, and maintain web applications across the stack.
  • Collaborate with cross-functional teams to ship high-quality software.
  • Develop RESTful APIs using Python.

JBS is an equal opportunity employer that hires individuals authorized for employment in the United States on a W2 basis. They do not discriminate in hiring or terms and conditions of employment on the basis of any federal, state, or locally protected class.

$155,400–$155,400/yr
Europe 5w PTO

  • Shape the technical direction of customer acquisition and success platforms.
  • Lead cross-functional engineering efforts spanning multiple teams and systems.
  • Design, code, and review critical components across backend, APIs, and frontend.

Tem is revolutionizing the energy market by providing a direct and decentralized platform for businesses to buy renewable energy. They have saved UK businesses and generators over £25 million since launching in 2021 and are backed by top-tier VCs like Atomico and Albion.

Europe

  • Be responsible for owning and delivering quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
  • Support peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints.
  • Proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are a remote-first company with a focus on building a presence around the world while valuing their employees.

US

  • Drive technical strategy and architectural decisions across multiple teams and stack layers
  • Solve ambiguous, cross-cutting problems that span dashboards, mobile, AI, and backend services
  • Define and champion spec-driven development practices organization-wide

SERHANT. is the most followed real estate brand in the world, calibrated for the marketplace of tomorrow, delivering proven results for buyers, sellers, and developers. SERHANT. revolutionizes the traditional brokerage model by innovating through media and content creation and is powered by a full-service in-house film studio as well as an amplification platform.