Top Backend Developer Jobs

Lead design and build of a greenfield LLM infrastructure and production LLM-backed features (RAG, streaming, tool use). Implement retrieval systems, embedding pipelines, model routing, instrumentation for failure modes, and own services end-to-end.

Join a cross-functional agile team to integrate enterprise APIs, implement back-end integrations for social tools and feeds, and build scalable, distributed Java systems and RESTful services.

Build and maintain PHP/MySQL backend systems, implement RESTful JSON APIs, collaborate with front-end developers, participate in planning and deployment, refactor and optimize code, and support custom CMS and e-commerce solutions.

Build and maintain high‑reliability backend services for clearing and payments. Design APIs and domain logic, ensure scalability, observability, security and compliance, participate in on‑call and incident response, write comprehensive tests, and collaborate with Product and Cross‑functional teams to deliver production systems.

Join Dakota's core engineering team to design and implement back-end infrastructure for a blockchain-integrated banking platform, addressing high-visibility projects.

The Full Stack Engineer will scale payment infrastructure, build APIs, and contribute to engineering processes while collaborating with teams on various projects.

The role involves developing payment solutions, scaling infrastructure, and collaborating with teams to enhance merchant customer experiences.

As a Backend Engineer, you'll design scalable infrastructure, mentor teammates, and collaborate with teams to deploy effective solutions.

Design and build scalable infrastructure while mentoring teammates and collaborating on AI and product solutions. Drive best engineering practices.

Responsible for designing and building scalable backend services, maintaining cloud infrastructure on GCP, and integrating with utility data sources, among other tasks.

Design, implement and maintain CI/CD pipelines, manage cloud infrastructures, deploy containerized applications, and optimize resources while enforcing security best practices.

The role involves developing APIs, building internal tools, and collaborating with teams to enhance system performance while solving engineering challenges.

Design and develop scalable features for secure software. Advocate for quality standards and engage with customers. Work remotely with a focus on product improvement.

Lead the architecture and execution of critical backend systems at Lightfield, focusing on API design, data architecture, and scalability while enhancing product experiences.

As a Staff Backend Engineer, you'll lead complex projects, make critical architectural decisions, and mentor other engineers while maintaining high engineering quality across systems.

As a Senior Backend Engineer, you will build and optimize the infrastructure for AI agents, improving reliability and performance while making technical decisions and contributing to code quality.

As a Senior Backend Engineer, you'll build infrastructure for AI agents, managing projects from concept to execution while ensuring code quality and system design.

The Staff Backend Engineer will lead backend system architecture, mentor engineers, drive technical projects, and set engineering quality standards.

The Senior Backend Engineer will design and develop enterprise backend services, APIs, and integrations, collaborate closely with various teams, perform code reviews, and support agile delivery processes within a federal healthcare technology project.

As a Backend Engineer, you will architect, build, and deploy systems for our data science platform, collaborating with a cross-functional team to enhance machine learning practices.

As a Backend Engineer, you will work on various backend systems, optimizing performance and building high-scale infrastructure for a search engine.

Design, develop, and maintain backend services and APIs while ensuring security, scalability, and performance of applications. Collaborate with teams to achieve technology objectives and contribute to architectural decisions.

As a Backend Software Engineer, you'll develop critical backend systems focusing on APIs, data processing, and infrastructure while ensuring high-quality service delivery and robust architecture.

Build and maintain backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, FX, KYC and risk. Design reliable, secure, observable systems, integrate with partners and AI services, ensure data integrity and incident handling, and collaborate with product and frontend teams to launch and improve financial products at scale.

As a Backend Engineer, you will design, build, and test code for Stripe's infrastructures, improving reliability and developer productivity. You'll collaborate with teams, prioritize roadmaps, and solve production issues.