Source Job

$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.

Python Django MySQL AWS Adtech

20 jobs similar to Sr. Backend Engineer

Jobs ranked by similarity.

$160,000–$180,000/yr
US Unlimited PTO

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

tvScientific is the first and only CTV advertising platform purpose-built for performance marketers. They leverage massive data and cutting-edge data science to automate and optimize TV advertising that drives business outcomes. The company is remote-first, prioritizing focused work and the effective use of developer time.

Global

  • Develop, deliver, document, and support robust and stable backend application features.
  • Implement backend functionality with attention to performance, readability, and maintainability.
  • Help maintain and improve application monitoring by setting up or adjusting alerts, dashboards, or logs.

Launch Potato is a digital media company that connects consumers with leading brands through data-driven content and technology, reaching over 30M+ monthly visitors. They've built a high-growth, high-performance culture where speed, ownership, and measurable impact drive success.

$130,000–$190,000/yr
US

  • Build and enhance backend services that power NodeZero.
  • Implement and evolve backend APIs in GraphQL and Python.
  • Collaborate closely with other teams.

Horizon3.ai is a cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. They are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners.

Global

  • Implement and document new software apps and components
  • Understand how code fits into broader technical and/or business contexts
  • Actively participate in code review and technical design reviews

Medsien is a leading provider of scalable remote care management for a quality patient experience. Hundreds of organizations trust Medsien’s unparalleled technology solutions to implement exceptional remote care management programs, personalize every interaction, and improve the lives of the people who need it most.

Global

  • Spearhead development of a user-centric initiative, collaborating with product, engineering, and data teams to revolutionize our products.
  • Collaborate on designing reliable, maintainable, and scalable systems to support millions of users worldwide.
  • Leverage AWS services (e.g. Lambda, API Gateway, S3) to build modern, serverless solutions.

Welltech is a global company with Ukrainian roots with the mission to move everybody to start and stay well for life. With five hubs across Cyprus, Ukraine, Poland, Spain and the UK and a diverse, remote-friendly team of 700+ professionals, they continue to scale rapidly.

$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.

$142,600–$176,000/yr
US

  • Design, develop, and implement scalable and robust backend systems and APIs using Python.
  • Optimize database schemas, queries, and overall performance while maintaining security and data integrity.
  • Lead debugging, profiling, and monitoring of backend services, proactively identifying and addressing issues before they impact users.

Octave is a modern behavioral health practice creating a new standard for care delivery that’s both high-quality and accessible. With in-person and virtual clinics in multiple states, the company offers evidence-based individual, couples, and family therapy. By raising the bar on how care is delivered and how providers are supported, we are building a sustainable system that values equity, affordability, and effectiveness.

$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.

Europe

  • Design, develop and maintain scalable solutions in Python leveraging AWS Serverless components
  • Balance fast iteration with robust testing and documentation
  • Collaborate with other engineers, designers and product leaders in a fully remote, high-performing team

Push Security is on a mission to defend organizations where work and attacks happen in the browser. Built by world-class red and blue team experts, Push gives defenders the real-time visibility and control needed to stop modern threats and is a fast-scaling startup.

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.

Mexico

  • Build new features for the REST API on top of a modern tech stack using Node.js in Typescript, deployed to AWS.
  • Work alongside senior developers, product management, designers, and QA to implement new features and enhancements.
  • Develop features using AWS tools such as Lambda, S3, DynamoDB, and Redshift.

Varicent is transforming the Sales Performance Management (SPM) market, redefining how organizations achieve revenue success. They offer cutting-edge SaaS solutions to empower revenue leaders, trusted by industry leaders like T-Mobile and ServiceNow.

  • Design, build, and maintain scalable backend services using Python and modern frameworks.
  • Develop data integration services and connectors to support multiple products and clients.
  • Collaborate closely with product managers, engineers, and cross-functional teams in an Agile environment.

InvestorFlow delivers industry-specialized CRM, built on Salesforce, and digital portals to help alternative asset firms find opportunities, create and manage relationships. They serve over 175 clients and are headquartered in San Francisco, California.

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.

$155,000–$185,000/yr
US

  • Drive the architecture, design, and implementation of a system for managing deployed customer solutions at scale.
  • Lead strategic architectural decisions, help drive alignment, and optimize applications for performance, scalability, and observability.
  • Be AI-forward and curious—investigate, test, and apply emerging technologies to plan, execute, and validate projects.

RapidSOS is the leading public safety AI company that unlocks mission-critical intelligence for first responders and security teams, enabling faster, smarter and more accurate emergency response. They have a mission-driven, ambitious, and inclusive team where people can innovate, collaborate, grow, and make an impact.

  • Design and build new partner-facing APIs that power automation and integration directly within partner platforms.
  • Expand and improve the Powered by Zapier platform, ensuring reliability, scalability, and exceptional developer experience.
  • Enhance partner developer tools and documentation, creating seamless onboarding and implementation experiences.

Zapier builds and uses automation every day to make work more efficient, creative, and human. They are an all-remote company.

Spain

  • You will work on tasks that contribute to the team's projects and goals.
  • You will strike the right balance of speed and quality in your work.
  • You will contribute to a sense of community on your team by engaging in growth and development activities.

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 their employees.

Global

  • Architect, build, and optimize backend systems.
  • Take ownership of complex technical challenges.
  • Drive technical excellence and continuous improvement.

RoomPriceGenie is hiring a Senior Backend Engineer for their RM dev team. They value high ownership, real impact, and great people.

$100,000–$175,000/yr
Global 3w PTO

  • You’ll own end-to-end execution for backend systems and infrastructure
  • You’ll build APIs, services, and real-time systems handling complex accounting logic
  • You’ll collaborate with founders, product, and frontend engineering to turn complex workflows into secure, performant systems

DualEntry, founded in 2024, is a rapidly growing AI startup focused on revolutionizing the finance industry. They provide an AI-native ERP that automates manual data entry, serving businesses from $5M-ARR to NYSE-listed companies, and fostering a culture of urgency and ownership.

Europe

  • Solve difficult designs for UK utilities market.
  • Process tens of millions of meter readings daily.
  • Adapt Kraken to improve other utilities like water and broadband.

Kraken powers some of the most innovative global developments in energy, focusing on creating a smart, sustainable energy system. It is a technology company transforming the energy industry with their operating system for optimising renewable generation and providing excellent customer experiences.