Top Backend Developer Jobs

Design, build, test, and deploy robust backend systems and web APIs. Lead incident response, code reviews, documentation, prototypes, and mentor team members while using TDD and AI-assisted tooling.

Build and operate high-throughput backend services powering AI agent orchestration, connector integrations, and real-time data pipelines. Design scalable core platform services, collaborate with ML, frontend, and product teams, implement infrastructure-as-code and CI/CD, and mentor junior engineers to deliver reliable, AI-powered features.

Design and operate scalable, event-driven backend systems in Python to power agentic AI workflows and real-time financial infrastructure. Own APIs, data architecture, reliability primitives, and platform foundations while partnering with ML and product teams to productionize AI-native financial systems.

Design and operate scalable, event-driven backend systems in Python for AI-native financial products. Build typed APIs (FastAPI + Pydantic), own data and ledger architectures, develop reliability primitives, partner with ML teams to productionize models, and ship platform foundations for audited, high-throughput financial workflows.

As a Staff Engineer for Revenue, you'll shape technical vision and architecture for billing and pricing systems, ensuring correctness while enhancing cross-team collaboration.

As a Software Engineer, you'll design, build, and maintain IAM solutions, ensuring security and reliability while working with cloud computing standards.

Develop, maintain, and evolve a high-throughput, low-latency US sports trading platform. Build scalable microservices on GCP with Kubernetes using Go or Rust. Ensure resilience during peak events, contribute to architecture, mentor junior engineers, collaborate with stakeholders, and adopt CI/CD, IaaS, concurrency debugging, and in-house AI technologies to deliver reliable global services.

Design and implement RESTful APIs, microservices, and distributed systems. Collaborate with teams to promote inclusivity and strong communication.

As a Software Engineer at Kepler, you'll develop backend systems, manage data pipelines, and integrate AI for financial applications, ensuring production excellence and scalability.

Develop and maintain backend services for a data platform, ensuring reliability and performance. Collaborate on scalable data models and contribute to architecture decisions.

Lead a team of developers in building cloud-based solutions, tackling complex problems while mentoring and staying updated on tech trends.

Design and maintain scalable backend services, driving engineering excellence and collaborating with cross-functional teams to enhance platform capabilities.

The Senior Software Engineer will design, build, and maintain scalable backend services, enhance existing platform capabilities, and collaborate on technical projects across teams.

As a Senior Software Engineer, you will develop backend services for commerce, ensuring secure payment processes and system reliability, while leading cross-functional technical efforts.

Lead design and build of a versioned external booking API and core booking domain. Ensure transactional correctness, prevent oversells, handle retries and failures, create reusable connectors to PMS/POS, set reliability targets, and operate the platform with observability, tests, and runbooks while mentoring engineers and delivering partner integrations.

Design, develop, and maintain large-scale backend systems and APIs. Lead technical design and implementation of distributed, service-oriented and event-driven architectures. Perform code reviews, ensure security and performance, troubleshoot complex production incidents, and lead root-cause analysis and remediation. Hybrid role with 3 days in-office and ~20% domestic travel.

Drive technical strategy and roadmap for Affirm's Online Storage platform. Design and build multi-region, highly available datastore solutions and control planes for hundreds of databases. Automate schema migrations, disaster recovery, sharding, and performance tuning. Collaborate with product, SRE, and infrastructure teams, own operations and on-call readiness, and mentor engineers while setting code and design standards.

Lead backend engineering for a mobile-first, backend-driven consumer app. Design, build, and own Rust-based microservices, APIs, feature-flagging, and UX configuration; partner with iOS/Android teams, provide architecture guidance, and drive delivery from design through production.

Lead and set technical strategy for the Order Platform powering post-checkout flows (orders, captures, refunds, settlement). Design and ship highly available backend systems, own reliability/operational practices, mentor engineers, collaborate cross-functionally, and drive long-term technical decisions and execution plans.

Lead and mentor a backend engineering team to design and deliver cloud-native, distributed microservices and full-stack solutions. Drive regulatory-focused technology projects, collaborate with product managers, write and review code, experiment with emerging tools, and leverage AWS/Azure/GCP, containers, and databases to build scalable systems.

Lead a team building distributed microservices and full-stack systems to meet regulatory needs. Mentor developers, drive technology choices, collaborate with product managers, and deliver cloud-native solutions using Go, Java, Python, container orchestration, and AWS services.

Lead a portfolio of backend and distributed microservice projects, mentor and manage developers, collaborate with product managers, design cloud-native solutions using Java/Python/Node/Go/Scala, container orchestration (Docker/Kubernetes), and relational/NoSQL databases to meet regulatory and customer needs.

Lead technical direction and architecture for DAP Repository Flows, design and ship autonomous and scheduled agents that operate on customer repositories, improve DAP onboarding, collaborate across teams on platform interfaces, mentor engineers, and solve high-scale technical problems to raise engineering quality.

As a Sr. Software Engineer, Backend, you will develop AI-powered solutions for clinical documentation and medical coding, collaborating with cross-functional teams to enhance SaaS products and deliver actionable insights for healthcare organizations.

As a Senior Software Engineer, you'll own backend systems, mentor team members, and collaborate with product and design to build user-focused solutions.