Top Backend Developer Jobs

Lead development of core backend systems for a high-volume messaging platform, including routing, delivery, automation, and queue-based infrastructure. Build reliable, high-performance services and launch new product areas from concept to production. Work closely with a small engineering team, drive technical projects independently, and solve complex infrastructure challenges.

As a founding full-stack engineer, you'll design APIs, manage backend services, deploy LLM agents, and ensure compliance while collaborating with co-founders.

Architect and build scalable, multi-tenant SaaS backend systems from pilot through production. Design PostgreSQL schemas, APIs, tenancy isolation models, and AI-agent tool surfaces using MCP or similar protocols. Select and defend technology choices, write production code, mentor engineers, conduct design reviews, and help determine which product ideas should advance. The role requires expertise in Java, PostgreSQL, distributed systems, AI-assisted product engineering, and end-to-end product delivery.

Build and scale backend systems and APIs for loan servicing features (onboarding, collections, compliance). Work in agile product pods to ship and iterate on product features using customer feedback. Collaborate with engineering, product, and operations, and write high-quality Python code meeting regulated enterprise standards.

Design, build, and optimize scalable backend services, APIs, and data pipelines. Integrate with third-party billing/commerce systems, maintain serverless/event-driven architectures on AWS, ensure security and performance, implement automated tests and CI/CD, mentor engineers, and drive architectural decisions.

Build and ship backend systems and robust architectures for SMB and enterprise restaurant customers. Drive end-to-end development including planning, CI/CD, and productionization. Collaborate on product roadmap, iterate from user feedback, and contribute to team culture and growth.

Build and operate batch transcription and streaming ASR API services across four global regions. Responsibilities include API design, model integration, authentication, rate limiting, versioning, documentation, multi-region deployment, monitoring, incident response, high-concurrency architecture, streaming protocols, async pipelines, autoscaling, and cost optimization. The role also supports B2B customers and collaborates with algorithm and product teams on the developer platform roadmap.

Design, build, and scale reliable backend services, APIs, data pipelines, and integrations for an AI-driven logistics platform. Responsibilities include system architecture, database optimization, cloud deployment, container orchestration, monitoring, testing, documentation, code reviews, and cross-functional collaboration. The role also supports platform reliability, continuous improvement, and mentoring while contributing to national security and logistics missions.

Design, develop, deploy, and operate distributed backend systems supporting large-scale, low-latency online model inference. The role owns inference platform technical direction, scalability, reliability, observability, and cloud infrastructure on GCP and Kubernetes. Responsibilities include partnering with ML engineers, optimizing high-throughput services, implementing DevOps and SRE practices, and monitoring production systems with Prometheus and Grafana.

As a Founding AI Backend Engineer at Pakket, you'll enhance backend systems, debug the CV pipeline, and deploy services across warehouses, ensuring operational reliability and rapid feature deployment.

Lead the architecture and development of LiveRamp’s petabyte-scale backend activation platform. Build distributed data pipelines using Spark, Dataproc, SingleStore, Kubernetes, streaming systems, and workflow engines. Drive multi-tenant scheduling, performance, cost optimization, reliability, observability, and production excellence. Define technical strategy, lead complex initiatives, mentor engineers, collaborate cross-functionally, and adopt AI-enhanced development and operations practices.

Lead large-scale backend platform initiatives, define technical direction, and design frameworks, shared libraries, static analysis systems, and developer tooling. Partner with infrastructure, security, and product engineering teams to improve scalability, reliability, maintainability, and developer workflows across backend services. Mentor engineers and influence technical strategy across multiple teams.

Own the architecture, performance, reliability, and technical direction of high-traffic backend services and public APIs supporting search, browse, autocomplete, and recommendations. Lead distributed-systems design, mentor engineers, drive cross-team projects, participate in on-call and incident response, and balance scalability, latency, cost, and API compatibility.

Build and maintain secure, scalable backend systems for Mindbody products. Design microservices, write tested and maintainable code, monitor applications, participate in reviews, and collaborate with Product, Design, QA, and Engineering teams. The description also includes leadership responsibilities such as managing backend development teams, coaching managers and engineers, establishing delivery processes, and driving technical and organizational improvement.

Build and operate core trading infrastructure, including matching engines, market-data pipelines, order gateways, risk controls, and real-time state machines. Develop deterministic, event-driven, high-throughput backend systems and trading APIs while optimizing latency, reliability, observability, failover, and production performance. Collaborate with traders, frontend, product, and SRE teams, participate in architecture and debugging, and share on-call coverage including one weekend approximately every six weeks.

Build and operate large-scale search index distribution infrastructure, including real-time and batch streaming pipelines across thousands of nodes. Design fault-tolerant distributed systems, automate cluster management, monitor system health, troubleshoot delivery and performance issues, and ensure search indexes remain fresh, consistent, and reliable. Collaborate with backend, infrastructure, and partner teams while owning components from design through production.

Lead backend Java development for sales incentive technology solutions. Collaborate with business stakeholders, architects, developers, testers, and managers on complex Agile projects. Build and maintain Java applications using Spring, REST, SQL Server, J2EE, application servers, and related frameworks. Provide technical leadership, perform substantial SQL development, support testing and deployment practices, and contribute to architecture, reusable APIs, integrations, and modern front-end technology initiatives.

Designs, builds, and maintains secure, scalable FHIR-based backend services and REST APIs for CMS initiatives. Implements DEQM Summary MeasureReport profiles, resource validation, conformance checks, SMART security patterns, and automated tests. Partners on architecture decisions, troubleshoots interoperability issues, supports CI/CD conformance testing, and contributes to technical documentation, code reviews, Connectathons, and implementation testing.

Lead complex backend engineering initiatives from ambiguous problem definition through production. Architect scalable, reliable systems supporting AI-driven workflows, real-time inference, tool orchestration, and long-running processes. Build new systems, evolve existing architecture, make technical decisions, and own testing, deployment, observability, and operations. Partner with product and design, provide technical leadership, mentor engineers, and raise engineering standards while remaining hands-on in implementation.

Build and operate Go-based automation for PostgreSQL provisioning, configuration, upgrades, failover, scaling, and decommissioning at GitLab.com scale. Develop a PostgreSQL-as-a-service platform, integrate cloud infrastructure and infrastructure-as-code tooling, improve database performance and reliability, and create safe upgrade automation. The role includes production ownership, architecture leadership, code reviews, documentation, cross-team collaboration, mentorship, and using AI agents in engineering workflows.

The Backend Engineer III will develop the NG-SIEM Global Serverless Platform, focusing on high availability, scalability, and system efficiency while collaborating with a distributed team.

Design and maintain Node.js and PostgreSQL backend services for order management, fulfillment, inventory, and manufacturing workflows. Own transactional data models, APIs, integrations with Shopify, Salesforce, and logistics providers, order lifecycle automation, database architecture, data integrity, testing, and CI/CD. Collaborate with product and business stakeholders to build reliable systems end to end.

The Full-Stack Engineer will enhance backend functionality, collaborate with teams, and maintain platform performance and security, requiring expertise in Python.

Build Python backend services and data-intensive systems supporting member identity, eligibility, billing, partner integrations, reporting, and analytics. Design APIs, asynchronous workflows, and data pipelines; validate, reconcile, retry, replay, and recover inconsistent external data. Improve production reliability, observability, testing, and performance while collaborating with Engineering, Product, and Operations. The role offers growth toward independent ownership of services and technical decisions.

Develop backend systems for Hightouch’s Customer Studio product, focusing on data warehouse performance, analytics and experimentation, real-time audience syncing, and generative AI workflows. Design scalable, maintainable, and reliable distributed systems while contributing to product specifications and customer-focused solutions. The role requires strong product sense and the ability to architect data-processing features end to end.