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Poland UK Unlimited PTO

  • Design and ship moderate to complex backend features with minimal guidance, driving technical direction.
  • Advocate for product quality, security, and performance, defining backend standards for style, maintainability, and operational readiness.
  • Mentor associate and intermediate engineers, remove technical blockers, and use AI in production engineering to improve outcomes.

Backend Architecture APIs Performance Tuning Agentic AI

20 jobs similar to Senior Backend Engineer

Jobs ranked by similarity.

$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.

Canada

  • Design, develop, and maintain scalable backend systems focused on performance and reliability.
  • Own complex engineering projects from planning through deployment and optimization.
  • Collaborate with cross-functional teams to translate business challenges into technical solutions.

Europe

  • Lead backend features from early product discussions through technical design, implementation, and rollout.
  • Build the APIs, data models, and evaluation systems behind agent-generated work items and mergeable code.
  • Collaborate with product, design, and users to shape scope and make practical trade-offs.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, and reduce security and compliance risk. With over 50 million registered users and more than 50% of the Fortune 100, GitLab has a high-performance culture driven by values, continuous knowledge exchange, and AI as a core productivity multiplier.

UK

  • Design, build, and maintain backend services and APIs that support GTM and growth platforms.
  • Contribute across the stack, including frontend work, and guide technical direction for systems you own.
  • Review code, mentor junior engineers, and document system design decisions for distributed teams.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. Trusted by more than 50 million users and 50% of the Fortune 100, GitLab fosters a high-performance, values-driven culture where AI is a core productivity multiplier.

Europe South Africa Unlimited PTO

  • Lead the design and implementation of core backend services for high-performance, distributed systems.
  • Drive the use of modern development practices such as BDD and TDD to ensure high-quality code.
  • Collaborate across teams in a product-driven environment and conduct code reviews.

Primer provides a unified platform for global payments, helping finance teams reduce complexity and capture more revenue. Backed by major investors, the company is a growth-stage startup with a remote-first culture that values autonomy and collaboration.

$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.

US Unlimited PTO

  • Design, architect, and implement AI-powered backend systems that automate and optimize software development workflows.
  • Identify friction points across the engineering lifecycle and transform them into scalable, reliable automation solutions.
  • Collaborate with globally distributed engineering teams to share tooling, best practices, technical roadmaps, and reusable solutions.

Canada

  • Develop secure, well-tested backend features using Ruby and GraphQL, turning complex requirements into clear solutions without compromising reliability.
  • Design and maintain backend services, APIs, data models, and business logic that support intuitive source code workflows.
  • Collaborate across functions, monitor production health, participate in on-call, and share knowledge through code review and documentation.

GitLab is the intelligent orchestration platform for DevSecOps that enables organizations to increase developer productivity, improve operational efficiency, and reduce security risk. With over 50 million registered users and trusted by more than 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values, continuous knowledge exchange, and AI adoption.

Ireland

  • Design and develop backend services using Python and Go to support experiment platform APIs.
  • Build scalable APIs, data models, and developer tools to simplify research workflows.
  • Collaborate with cross-functional teams to deliver solutions aligned with evolving technical needs.

This role is with a partner company focused on AI research infrastructure. The team is remote-first, international, and emphasizes engineering quality and ownership.

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.

CoLab is an AI platform that helps mechanical engineering teams bring life-changing products to market faster by driving stronger engineering decisions. It is a rapidly scaling company recognized on Deloitte's Fast 50 and Fast 500, and named a Canadian company to watch by The Globe and Mail and Financial Post.

US Unlimited PTO

  • Design and build scalable backend systems, APIs, and data pipelines
  • Own services end-to-end from architecture, development, deployment, to operation
  • Mentor junior engineers and contribute to a strong engineering culture

We transform vulnerability intelligence by helping security teams act faster with more confidence. We have a transparent, collaborative culture with a small, smart, and supportive team built on over two decades of cybersecurity experience.

$163,000–$263,670/yr
US

  • Design, build, and operate the distributed systems that deliver feature-flag configuration to LaunchDarkly SDKs.
  • Own and improve the reliability, latency, and scalability of our streaming and polling infrastructure.
  • Debug and resolve complex production issues while sharing the team's on-call rotation.

LaunchDarkly builds a feature management platform that enables safe and gradual software releases. The company is growing and fosters a humble, open, collaborative culture.

US Canada Unlimited PTO

  • Contribute to the Platform Readiness team's agentic workflows on the Duo Agent Platform, designing and implementing automated evaluation of platform readiness.
  • Evolve the platform requirements knowledge base by contributing to schema design, validation tooling, and CI systems for cross-platform readiness.
  • Build integration surfaces that enable feature teams to engage with platform readiness tools directly in their existing workflows like issues, merge requests, and CI/CD pipelines.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. With over 50 million registered users and trust from 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange.

Brazil 6w PTO

  • Build and maintain the core API that customers, SDKs, Terraform provider, and internal systems depend on.
  • Work with our platform architect and lead backend engineer on design and implementation.
  • Contribute to the developer-facing surface: REST APIs, webhooks, and SDK compatibility.

Megaport is the global leader in Network as a Service (NaaS), connecting businesses to the cloud, data centers, and each other. With over 600 employees across Asia-Pacific, Europe, and the Americas, the company fosters a collaborative, supportive, and fun culture.

Global Unlimited PTO

  • Take full ownership of backend features from scoping through to production, keeping the team informed on progress, risks, and blockers.
  • Design and deliver backend services that handle real payment volume with a focus on reliability, performance, and correctness at scale.
  • Contribute to architecture discussions, advocate for clear service contracts, and write production-ready code with the next engineer in mind.

Primer is a unified infrastructure for global payments that provides finance and payments teams with visibility and control to reduce complexity and capture more revenue. Backed by Sofina, Peak XV Partners, and others, it is a remote-first company with a collaborative and mission-driven culture.

UK

  • Resolve customer-reported issues quickly and thoroughly, from investigation through to a durable fix.
  • Diagnose complex, ambiguous problems across services and data pipelines, tracing them to root cause.
  • Deliver high-quality engineering work that improves the platform and directly addresses customer needs.

VulnCheck delivers structured exploit intelligence on what is actively weaponized in the wild, purpose-built for data lakes, ETL pipelines, automation, and AI workflows. Founded in 2021, the company has a transparent, collaborative, and supportive culture with a team of cybersecurity experts.

Ukraine Europe

  • Design, develop, and optimize scalable shared backend services using Java and serverless technologies like AWS Lambda.
  • Implement RESTful APIs and event-driven systems, with some frontend work using React or Web Components.
  • Collaborate with cross-functional teams, mentor junior engineers, and ensure high-quality code through testing and CI/CD.

Turnitin is a recognized innovator in global education, providing learning integrity solutions for over 25 years to over 16,000 institutions in more than 185 countries. The company fosters a remote-first culture with a diverse team across 35+ countries, prioritizing well-being and collaboration.

Canada Unlimited PTO

  • Design and develop scalable backend services for AI-powered product capabilities.
  • Build and optimize retrieval pipelines, search infrastructure, and cloud-native services.
  • Collaborate with cross-functional teams to deliver customer-focused solutions.

Our partner is building AI-powered knowledge systems. They are a rapidly growing technology company with a collaborative and remote-friendly culture.

$77,000–$107,000/yr
Europe

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Support peers and stakeholders in product development by collaborating with product management, design, and analytics on technical constraints and trade-offs.
  • Foster a culture of quality and ownership by setting code review and design standards, and help develop talent through feedback and guidance.

Affirm is a fintech company reinventing credit to be more honest and friendly, offering consumers the flexibility to buy now and pay later without hidden fees or compounding interest. The company is remote-first and values its people, providing competitive benefits and a culture of ownership and quality.

UK Unlimited PTO

  • Develop secure, well-tested, performant features and improvements using Ruby and GraphQL.
  • Work through complex requirements and legacy constraints to deliver clear solutions while protecting system reliability.
  • Collaborate across functions and teams, contributing to backend services, APIs, data models, and business logic for repository management.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, and reduce security and compliance risk. More than 50 million registered users and over 50% of the Fortune 100 trust GitLab, and the company fosters a high-performance culture driven by values, AI integration, and continuous knowledge exchange.