Source Job

$199,000–$235,000/yr
US

  • Design, build, and operate backend services and workflows that provision customer accounts and activate product entitlements.
  • Own projects from technical design through release, observability, and production support.
  • Build reliable asynchronous workflows with safe retries, idempotency, and failure recovery.

Python Go PostgreSQL AWS Kubernetes

20 jobs similar to Senior Backend Engineer

Jobs ranked by similarity.

$125,000–$150,000/yr
US Unlimited PTO

  • Design, develop, and maintain back-end components for internal and open-source cybersecurity projects.
  • Build REST and GraphQL APIs, command-line tools, and containerized services using Python, Go, and Docker.
  • Contribute to infrastructure automation and collaborate with teammates to solve complex technical problems.

SpecterOps develops internal and open-source cybersecurity projects such as Mythic and Ghostwriter for the security community. We are a small, transparent team that values autonomy, collaboration, and continuous improvement.

$195,000–$280,000/yr
US 4w PTO 12w maternity 12w paternity

  • Design, develop, and maintain scalable back end services and APIs for Quanata's products.
  • Architect data flows, database schemas, and cloud infrastructure with a focus on reliability and security.
  • Mentor engineers and shape technical decisions across complex features from concept to deployment.

Quanata is a technology company in the State Farm family, building products and services for the financial and insurance sectors. It is a remote-first organization that values veterans, supports professional growth, and offers comprehensive benefits.

$199,750–$235,000/yr
US

  • Design, build, and maintain features in our core Python API, focusing on performance, correctness, and maintainability.
  • Build and operate workflow orchestration for large-scale, long-running workloads using tools like Prefect or Temporal.
  • Own the observability, uptime, and scalability of the services you build, and partner with frontend engineers to enhance user experience.

Horizon3 is a fast-growing remote cybersecurity company that provides the NodeZero platform for autonomous pentesting and attack surface verification. The team blends former special operations cyber operators and engineers, fostering a culture of respect, collaboration, ownership, and results.

UK Unlimited PTO

  • Design, develop, and launch backend systems and APIs at scale using Python or Kotlin.
  • Collaborate with product, design, and analytics to break down projects and deliver timely solutions.
  • Support operations by creating metrics, monitoring, and participating in 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 hidden fees. We are a remote-first company with a culture of transparency, flexibility, and inclusion.

North America Unlimited PTO

  • Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
  • Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
  • Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.

Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.

North America

  • Take deep ownership of key systems and product areas, becoming the technical expert and primary point of reference.
  • Architect, build, and maintain highly available and scalable REST APIs and backend services.
  • Use agentic development workflows and AI coding tools as standard engineering practice.

This partner company builds an AI-driven e-commerce messaging platform powered by customer context and data. It is a high-growth, remote-first environment with a collaborative and supportive culture.

$64,750–$94,750/yr
Poland

  • Break down projects into tasks and deliver them in phases with your team.
  • Partner with product, design, and analytics to build scalable backend systems.
  • Monitor metrics, support on-call, and contribute to code reviews.

Affirm exists to give people a clear, predictable way to pay over time, with no hidden fees. It is a remote-first company that cares about employee well-being through comprehensive benefits and an inclusive culture.

North America

  • Architect, develop, and deploy scalable Python backend services and robust SQL/NoSQL databases.
  • Build and manage automated CI/CD pipelines using GitHub Actions and Google Cloud Build.
  • Troubleshoot complex bugs, optimize backend systems, and mentor junior engineers.

Left Field Labs is the creative technology agency that builds what’s next, partnering with ambitious brands. Since 2008, we’ve delivered end-to-end digital transformation services for companies like Google, Amazon, and Meta.

$149,400–$235,000/yr
US

  • Drive large, complex projects autonomously, from technical design to launch.
  • Tackle complex architecture challenges and apply architectural standards to new projects.
  • Lead code reviews and documentation, and mentor junior engineers.

Atlassian is a software company that creates collaboration tools for teams, including Jira and Confluence. With a global workforce and a culture focused on unleashing the potential of every team, Atlassians value flexibility, diversity, and continuous improvement.

$78,840–$117,720/yr
Spain Unlimited PTO

  • Break down complex projects into tasks and deliver them in phases with your team.
  • Collaborate with product, design, and analytics to build scalable card experiences.
  • Support operations and on-call efforts, improving system reliability and availability.

Affirm is a financial technology company that offers clear, predictable pay-over-time solutions with no hidden fees. It is a remote-first company with a collaborative culture focused on transparency, flexibility, and employee well-being through comprehensive benefits.

Global

  • Design, develop, and maintain scalable and secure backend services and APIs.
  • Collaborate with cross-functional teams including Product, Design, QA, and DevOps to deliver features end to end.
  • Mentor Middle and Junior engineers and drive engineering best practices.

Xsolla is a global commerce company helping video game developers fund, distribute, market, and monetize their games. It has helped over 1,500 developers worldwide grow their businesses and fosters a culture of creativity and collaboration.

$140,000–$180,000/yr
US

  • Design and build backend services and integrations for logistics and shipment data.
  • Own partner data flows from ingestion through warehousing, monitoring, and on-call support.
  • Process IoT data to support shipment risk analysis and operational decisions.

They build a logistics software platform focused on temperature-controlled and high-value shipments. It's a small engineering team that values independence and ownership.

$249,000–$367,000/yr
US 4w PTO 12w maternity 12w paternity

  • Lead and coach a team of back end engineers building policy, billing, and ledger platforms.
  • Provide architectural guidance for scalable, secure, high-performing systems.
  • Partner with Product, Program, and engineering leadership to align technical execution and delivery.

Quanata is a remote-first technology company in the State Farm family, building core policy, billing, and financial ledger platforms. It supports a veteran-friendly culture with wellness benefits, professional development, and a focus on engineering excellence.

$116,800–$127,750/yr
North America Unlimited PTO

  • Build and operate backend services that move data through GrowthLoop, from warehouse queries to downstream systems.
  • Improve event handling, query execution, and delivery, and support the product’s move toward real-time capabilities.
  • Participate in on-call rotation, fix reliability issues, and build shared tools that reduce repeated work.

GrowthLoop built the first composable CDP, helping marketers leverage live, first-party data from their cloud warehouse to launch highly targeted campaigns. It is a founder-led, remote-first startup with a flat, high-agency culture, partnering with brands like Google, Costco, and Ford.

Russia Unlimited PTO

  • Develop and maintain backend services for Xsolla ID using Go and modern IAM protocols.
  • Design OAuth 2.0/OIDC flows and secure high-load identity systems for millions of users.
  • Optimize PostgreSQL, Redis, and CockroachDB performance in a microservices environment.

Xsolla is a global commerce company helping video game developers fund, distribute, market, and monetize their games. With over 1,500 game developer partners and a remote-first culture, Xsolla values creativity, collaboration, and employee well-being.

Canada Unlimited PTO

  • Own and deliver quarterly goals, leading engineers through ambiguity and ensuring support.
  • Collaborate with product, design, and analytics to make decisions considering risks and trade-offs.
  • Support operations and availability of team artifacts while fostering quality and ownership.

Affirm provides clear, predictable buy now, pay later services with no hidden fees. It is a growing, remote-first company that values transparency, flexibility, and customer trust.

Latam

  • Design, develop, and evolve backend services and REST APIs with Python and FastAPI, applying best practices in architecture, security, and maintainability.
  • Build and operate a communications dispatch service integrating message queues and external APIs, with idempotency, retries, rate limiting, and error handling.
  • Collaborate with development, data, and IT/DevOps teams to integrate Azure services, databases, and data processes such as Databricks.

Muttdata builds innovative Data Products and Machine Learning solutions to help companies solve complex business challenges. As a fast-growing, remote-first startup, we are passionate about technology, collaboration, and continuous learning.

$125,011–$187,517/yr
US

  • Design and implement Python solutions using the full suite of AWS cloud computing capabilities.
  • Develop and iterate on AI and LLM-based workflows to reduce customer time-to-outcome.
  • Operate in a collaborative, agile remote environment, sharing knowledge and participating in peer code reviews.

Two Six Technologies builds, deploys, and implements innovative products that solve complex challenges, particularly in the information operations space for US government and Fortune 50 clients. The company emphasizes collaboration, trust, and pushing boundaries to empower its team and support customers in building a safer global future.

Global Unlimited PTO

  • Build and evolve core components of a distributed transaction platform for secure cryptocurrency transfers.
  • Improve scalability, data integrity, and tenant isolation in a regulated environment.
  • Mentor engineers and take end-to-end ownership of production systems, including incident response.

They build a mission-critical transaction platform for secure cryptocurrency transfers between financial institutions, fintechs, and exchanges. The organization is remote-first, collaborative, and inclusive, with a strong focus on engineering quality and mentorship.

US

  • Design, build, test, and deploy backend features across payments, fraud, compliance, and user management
  • Integrate with banks, card networks, and third-party services, handling the edge cases money movement demands
  • Write and review technical designs and participate in architecture discussions for distributed, event-driven systems

Astra builds mission-critical infrastructure for moving money at scale, processing billions in annual transaction volume. They are a small, remote-first team with a culture of thoughtful collaboration and initiative.