Top Backend Developer Jobs

As a Backend Engineer, you'll build and maintain APIs and backend systems, optimize performance, mentor junior engineers, and drive user engagement for Hebbia's AI platform.

The Backend Engineer will design and implement efficient backend systems and APIs, optimize performance for large-scale data, and mentor junior engineers.

Lead a team delivering cloud-native, distributed microservice solutions to meet regulatory and customer needs. Mentor engineers, collaborate with product managers, and occasionally write or review code. Use Java/Python/Scala/Go/Node, RDBMS/NoSQL, containers, Kubernetes, and AWS services.

Design and build robust backend services and secure APIs for finance and reader applications. Implement authentication, payments, subscriptions, and finance workflows. Design Postgres/Redis schemas, integrate with financial APIs (BSE Star MF, NSE) and DRM services, and ensure compliance-friendly data handling.

Build and scale backend systems to ensure performance during high traffic spikes. Work on database optimizations, stress testing, simulations, and improving reliability and scalability. Collaborate with product teams and maintain high-quality user experiences using Node, AWS, and MongoDB.

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

Build and maintain core backend features serving Notability clients, including APIs, database interactions, scalability systems, and tooling. Ship stable, readable, tested code; communicate clearly; drive ambiguous work to completion; collaborate across disciplines; and continuously improve through feedback. The role values web fundamentals, AI coding tool fluency, curiosity, and ownership. Preferred experience includes TypeScript, GraphQL, Docker, infrastructure as code, cloud platforms, and LLM-based development.

The Senior Backend Software Engineer develops secure APIs utilizing Kensho's AI capabilities, collaborates across teams, and mentors colleagues while managing project deadlines and deliverables.

As a Senior Backend Engineer, you will develop APIs, collaborate with various teams, and manage project priorities while ensuring communication is efficient and inclusive.

Build and operate scalable, highly observable backend services and stream-processing pipelines (Kafka, Flink) to process telemetry from hundreds of thousands of IoT devices, powering geofencing, alerts, trip construction, and APIs. Collaborate with Embedded/IoT teams, own infrastructure on cloud (AWS/GCP/Azure), reduce technical debt, and mentor teammates.

Designs, develops, deploys, and supports robust cloud-native backend systems and APIs. Owns the full software development lifecycle, including architecture, reliability, fault tolerance, deployment, and optimization. Collaborates with stakeholders on deployment strategies, mentors junior engineers, and develops distributed systems serving global customers. The role also involves cloud infrastructure, CI/CD, event streaming, data ingestion, observability, and applying AI-assisted development or AIOps practices.

Lead a team to design and deliver resilient cloud-based backend services and distributed microservices using Python and Go. Collaborate with product managers, mentor engineers, and implement observability, networking, and AWS tooling to meet regulatory and availability requirements.

Lead backend software engineering portfolio focused on cloud resilience and observability. Mentor developers, design distributed microservices, collaborate with product managers, and build cloud-native solutions using Python, Go, APIs, RDBMS/NoSQL, and AWS services to meet regulatory and operational requirements.

Architect and deliver backend features and internal tools used by hundreds of thousands of customers. Collaborate with stakeholders, create and review technical specifications, mentor engineers, write and oversee code generation, maintain high-quality test suites, optimize database performance, and monitor solutions after release.

Build and integrate cloud-based backend microservices for multiplayer games. Develop scalable services, networked features, and live game functionality; integrate platform and console services; support certification; troubleshoot PC and console issues; collaborate with designers, partner studios, and external programmers; and create maintainable software and design documentation.

Develop and modernize legacy mainframe functionality into cloud-native Java microservices on AWS GovCloud. Design databases and event-driven architectures, deploy and manage containerized applications with Kubernetes, and support mission-critical production systems through troubleshooting and rotating on-call coverage. Participate in Agile ceremonies, GitOps and CI/CD practices, collaborate with architects, and mentor developers while ensuring reliability, scalability, security, and compliance in large-scale federal technology environments.

Build and optimize highly performant backend systems, APIs, microservices, and real-time data-processing infrastructure in Go and Node.js. Design scalable distributed systems, integrate services, troubleshoot complex issues through experimentation, and improve reliability through performance tuning, debugging, and testing. Participate in on-call rotation, collaborate across functions, contribute to engineering best practices, and mentor junior developers in a fully remote global team.

Design, build, and scale low-latency backend services powering Polymarket’s exchange. Develop event-driven pipelines and APIs, optimize latency and throughput, ensure production reliability, diagnose incidents, and contribute to distributed-systems architecture focused on correctness, failure recovery, and graceful degradation.

Build and operate real-time, event-driven microservices that process large-scale penetration-testing telemetry into findings, attack paths, reports, and customer insights. Responsibilities include migrating batch logic to streaming architectures, designing distributed systems, managing schemas and storage, correlating hosts and identities, ensuring observability and operational excellence, and contributing to technical design, APIs, documentation, and incident response.

Build and maintain Go-based backend services and APIs on AWS for agentic AI workflows, including metadata suggestions, automated ownership reassignment, system deprecation, and agent/MCP inventory. Design database schemas and queries in PostgreSQL and MongoDB, integrate asset discovery tooling, map dependencies and user journeys, and refactor legacy code safely. Deliver tested features through Agile/Scrum while collaborating with program and customer teams.

Develop and maintain scalable Java backend systems using Spring Boot and microservices architecture. Collaborate with customer teams, review specifications, write clean code, participate in code reviews, document solutions, and troubleshoot and optimize backend performance, reliability, and security. The role also contributes technical expertise to training next-generation AI systems, though prior AI experience is not required.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

The Staff Backend Engineer will lead technical direction across backend systems, write production code, improve scalability, and mentor engineers.

Join Rain's AI team as a Backend Engineer to build scalable backend systems and AI-powered features while collaborating with business teams.

The role involves designing and expanding backend systems, mentoring engineers, and executing technical strategies to modernize architecture and improve system performance.