Top Backend Developer Jobs

Looking for a Senior Backend Web Developer for a FinTech startup focusing on blockchain technologies. Responsibilities include developing products using modern web frameworks and various backend technologies.

Develop and maintain backend solutions, ensuring performance, security, and regulatory compliance, while collaborating in cross-functional teams.

As a Principal Software Engineer, you will design and prototype features for a voice interface, build scalable infrastructure for LLM inference, and enhance personalization of speech models.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

As a Staff Backend Engineer, you will design and architect middleware systems connecting various external platforms, ensuring data synchronization and high-concurrency performance.

Build and maintain backend cloud services for connected devices, focusing on telemetry ingest, device state management, command/control, and integrations. Own features from design through production, use AI-native engineering practices, collaborate with firmware/mobile/platform teams, write and test reliable code, participate in on-call rotations, and contribute to incident response and documentation.

Build and own backend platform systems around AI models: design APIs and database schemas in Python (FastAPI), create connectors, integrations, data pipelines, internal libraries/SDKs, and deployable infrastructure while collaborating with a small engineering and AI team.

The role involves designing and developing high-performance web apps, improving user interfaces, maintaining component libraries, and ensuring code quality through comprehensive testing and collaboration with other teams.

Own backend and platform development for hosted and self-hosted deployments: design APIs, runtime architecture, data and event pipelines, edge/serverless services, deployments, observability, and SOC 2–level security and compliance to ensure reliability and scalability.

Build and scale real-time backend systems for AI Agents, including orchestration, memory and context management, low-latency inference pipelines, eval frameworks, event-driven workflows, APIs (REST/gRPC), and production-grade observability, partnering with Applied AI and product teams to deploy multi-tenant, enterprise AI agent platforms.

As a Lead Developer, you will architect and develop modern web experiences, lead a team, and implement best practices in coding, security, and client interactions.

Develop and maintain the frontend using Vue.js, integrate with Django APIs, ensure application performance, and participate in code reviews for continuous improvement.

The Senior Software Engineer will develop end-to-end systems, ensuring quality and scalability while collaborating closely with the executive team and managing complex web applications.

As a Senior Software Engineer, you'll build and extend web technologies, make key architectural decisions, and mentor junior developers in a fast-paced environment.

Lead development of scalable, event-driven backend services and APIs on AWS serverless (Lambda, SQS, RDS, Step Functions) using TypeScript. Drive architecture discussions, mentor developers, maintain test coverage, build OpenSearch indexes, debug production with CloudWatch/Datadog, and apply CI/CD practices (GitHub Actions). Leverage AI tools to accelerate development.

Design and maintain backend services and APIs, manage databases, develop infrastructure automation, and contribute to CI/CD pipelines while improving system performance.

This role involves developing core payment services, designing robust ledgers, ensuring high-scale reliability, and maintaining compliance in a fast-paced environment.

The Senior Backend Engineer will build and operate backend systems for AI agents, focusing on reliability, API design, and data modeling, while enhancing code quality and performance in a fast-paced environment.

Join Adaptive as a Senior Software Engineer to lead backend projects, ensure secure and scalable systems, and align technical solutions with business needs.

Responsible for designing and maintaining scalable backend systems, leading architectural decisions, implementing security measures, collaborating with teams, and mentoring others.

Join the GTM Innovation team as a software engineer to build impactful applications, engage with customers, and enhance workflows using OpenAI's technology.

The Senior Backend .Net Developer will design and develop large-scale web services and APIs, ensuring high-quality code and utilizing Azure PaaS services, while adhering to Agile practices.

As a Backend Software Engineer, you will design and scale backend systems for AI employees, ensuring delivery and collaboration across teams while maintaining system reliability and performance.

The Senior Backend Engineer will architect and maintain scalable backend services, focusing on performance, reliability, and team independence, while mentoring engineers and guiding technical design.

The Senior Backend Engineer will architect and implement backend systems, lead technical initiatives, mentor engineers, and ensure system reliability, performance, and scalability.