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Canada Unlimited PTO

  • Design and build the backend services that power Operator, a system that helps engineering teams search company knowledge and surface design decisions.
  • Develop scalable retrieval pipelines, integrate structured and unstructured engineering data, and improve search quality and knowledge retrieval performance.
  • Collaborate with AI, Product, Design, and Engineering teams to deliver customer-facing capabilities and mentor teammates through code reviews and technical leadership.

Python Backend Development API Design Distributed Systems Databases

20 jobs similar to Senior Back End Developer

Jobs ranked by similarity.

India

  • Lead the design and evolution of highly scalable backend platforms.
  • Combine hands-on engineering expertise with architectural leadership.
  • Mentor engineering teams and establish engineering standards.

Our partner is a technology company building scalable backend platforms. They are a growing organization with a focus on engineering excellence and collaboration.

$165,000–$185,000/yr
US

  • Design, build, and operate reliable, scalable backend services and data pipelines.
  • Work across our cloud infrastructure (AWS) to ship and run production systems.
  • Improve the performance, reliability, and observability of the systems you own.

Allocate is transforming private market investing by enabling RIAs and family offices to seamlessly discover, model, and manage their private market exposure. They are a company that values world-class client experience, challenges convention, and embraces continuous improvement and meritocracy.

Canada

  • Design, develop, and deploy production-grade AI-powered backend systems integrating LLMs and traditional ML models.
  • Integrate and optimize vector databases for RAG pipelines, and write clean, well-structured Python code.
  • Debug complex cross-layer issues and collaborate with product and engineering teams to deliver cohesive solutions.

We are a fast-growing product company integrating cutting-edge AI capabilities into our core offering to deliver exceptional value to customers. Our small, fast-moving team works on practical, real-world AI applications with high autonomy.

$180,000–$200,000/yr
US

  • Design and build scalable backend services and APIs.
  • Develop integrations with healthcare and financial systems.
  • Build reliable, observable data ingestion and processing pipelines.

This healthcare AI startup builds products that help providers navigate reimbursement landscapes using machine learning and AI. It has assembled an exceptional technical team and is fast-growing.

Global Unlimited PTO 6w paternity

  • Design, build, and operate backend services powering the platform for carriers and shippers in the U.S. vehicle transportation industry.
  • Own multiple backend services end-to-end, including architecture, REST APIs, databases, and asynchronous systems.
  • Mentor junior and mid-level engineers on architecture, patterns, and production readiness.

Super Dispatch is a next-generation platform redefining efficiency in the auto transport industry, offering tools like Carrier TMS, Shipper TMS, SuperPay, and Super Loadboard. It is a 100% distributed team with a remote-first culture, empowering carriers, shippers, and brokers to achieve operational excellence.

$114,300–$139,700/yr
UK

  • Design, develop, test, monitor and maintain backend services for our systems.
  • Build clean, efficient, and well-documented APIs for web and mobile applications.
  • Write high-quality, maintainable code with a focus on reliability, scalability, and performance.

Midnite is a next-generation sports betting and gaming platform built for a new wave of players. With over 400,000 players and a high-performance team, we operate at pace with high ownership and constant iteration.

Global

  • Design, build, and maintain APIs, services, and systems, debug production issues across the stack, and own the end-to-end implementation of real-time data handling.
  • Collaborate closely with Business, Product, and Data Science teams to solve customer pain points at scale and build features customers actually use.
  • Make architecture trade-offs explicit, instrument what you build, find real bottlenecks, and pick fixes that survive the next 10× of growth.

Portcast is a venture-backed logistics technology startup building a real-time transportation visibility platform for global supply chains. Founded in 2018, the company is backed by leading technology investors and has a team of software engineers, data scientists, and logistics experts focused on making supply chains decisively actionable.

US Canada

  • Ship AI to production by building tool-using LLM agents for grant discovery and drafting, with robust evaluation and observability.
  • Build trustworthy backends with high-quality, tested code, data pipelines, and reliability practices like alerts and incident response.
  • Collaborate with Product, Design, and GTM to scope features, run experiments, and raise engineering standards through clear code and reviews.

Instrumentl is a profitable, hypergrowth, YC-backed SaaS platform building the operating system for grant-funded organizations. More than 5,500 nonprofits use Instrumentl to discover, track, and win grant funding, and the company has grown over 40% year over year.

Canada

  • Define technical strategy for your team on a year-long scale, tying it to critical business projects.
  • Collaborate across teams in product development, ensuring technical sustainability and managing trade-offs.
  • Foster a culture of quality and ownership through code review standards, design advocacy, and mentorship.

Affirm is a financial technology company that offers buy now, pay later services without hidden fees. They are a remote-first company with a global engineering team, focused on honest and friendly credit.

Canada

  • Design, develop, and deploy production-grade AI-powered backend systems.
  • Integrate large language models and machine learning models into scalable architectures.
  • Optimize system performance and implement strong testing practices.

Our partner company is building advanced AI-powered systems to create meaningful customer value. The team operates in a high-autonomy, fast-moving environment focused on production-ready AI solutions.

Europe

  • Design and build scalable backend services using Python, AWS, and Kubernetes to improve developer productivity.
  • Lead technical initiatives across the engineering organization with 7–10 years of experience.
  • Work on production AI/LLM applications and microservices architecture in a fully remote European team.

Codeminders develops cutting-edge software solutions for high-tech companies, focusing on AI, mobile apps, video conferencing, and cloud computing. They collaborate with world-class engineers from the US and Ukraine and uphold strong ethical standards with no business ties to Russia or Belarus.

$170,000–$180,000/yr
United States

  • Lead architectural design and technical strategy for backend systems and microservices.
  • Design robust versioned REST APIs powering cross-platform web and mobile applications.
  • Evolve database models and cloud infrastructure on GCP using Terraform, Docker, and Kubernetes.

Vida is a virtual, personalized obesity care provider that uses evidence-based treatment to help patients manage obesity and related conditions. Trusted by Fortune 100 companies and major payers, Vida fosters a diverse and inclusive culture focused on innovation and employee growth.

$90,000–$120,000/yr
US Unlimited PTO

  • Own backend features end-to-end from discovery to rollout.
  • Design and evolve distributed systems with performance and scalability.
  • Build and maintain APIs and data pipelines for analytics and machine learning.

Traackr is a global SaaS company providing a data-driven influencer marketing platform. The company is remote-first with offices in multiple countries and a culture based on trust, diversity, value, ownership, and mutual success.

UK

  • Partner with enterprise clients to understand challenges and design robust technical solutions, from APIs to AI workflows.
  • Own production deployments ensuring reliability, observability, and continuous improvement of delivered systems.
  • Build AI-enabled systems using LLMs and agentic workflows while collaborating across Product, Engineering, and Sales teams.

Our partner is a company focused on deploying AI and enterprise integrations at scale. They operate in a remote-first, high-trust environment with a focus on practical AI deployment.

US 12w maternity 12w paternity

  • Design and develop scalable backend services and APIs for the Customer Data Platform and AI ecosystem.
  • Build secure, high-performance service layers on top of PostgreSQL, Snowflake, and other enterprise data platforms.
  • Partner with Data Engineering and ML Ops teams to support model serving, data products, and operational data systems.

National Debt Relief is a leading debt settlement organization that helps consumers overcome overwhelming debt. They have helped over 450,000 people settle over $10 billion of debt and foster a team-oriented environment with growth opportunities and employee mentorship programs.

Global

  • Build and own Fundable's core backend including customer-facing APIs, AI microservices, and a workflow builder.
  • Lead architecture decisions, implementation, and deployment with TypeScript/Node.js or Python, PostgreSQL, and cloud platforms.
  • Work directly with founders in a high-autonomy role to solve ambiguous problems and ship production systems.

Fundable provides real-time startup data and signals that help growth teams find new startup customers and help investors source their next deals. It is a small, fast-moving team that values high autonomy and an AI-first approach.

UK

  • Design and build scalable backend systems for Midnite's internal back office platform.
  • Lead and mentor a small team of engineers while remaining hands-on in delivery.
  • Productionise and deploy AI-powered tools for engineering and business use cases.

Midnite is a next-generation sports betting and gaming platform built for a new wave of players. We are a high-performance team of over 400,000 players operating at pace, with high ownership and constant iteration.

$101,144–$174,591/yr
US

  • Develop and maintain backend services for modeling, simulation, and analytical workflows.
  • Design and implement RESTful APIs and data pipelines for large-scale data handling.
  • Collaborate with analysts, data scientists, and engineers to align backend capabilities with mission objectives.

LMI is a digital solutions provider for federal agencies, accelerating government impact with innovation and speed across defense, space, healthcare, and energy sectors. Headquartered in Tysons, Virginia, the company emphasizes collaboration and agility in its culture.

Spain

  • Design and launch backend systems at scale using Python or Kotlin.
  • Collaborate with product management, design, and analytics to define technical plans and articulate constraints.
  • Foster a culture of quality and ownership through code reviews, design standards, and tech talks.

Affirm is reinventing credit to make it more honest and friendly, offering consumers the ability to buy now and pay later without hidden fees. The company is a global fintech with a remote-first culture, known for its agile and fast-paced environment, serving over 20 million users.

Global

  • Own end-to-end backend architecture for an AI platform transitioning from prototype to production-grade.
  • Design and evolve extraction pipelines, multi-provider LLM abstraction, and async worker systems.
  • Lead engineering leadership, mentor senior engineers, and drive technical roadmap.