Top Backend Developer Jobs

As a Backend Engineer, you will design and maintain systems for digitizing financial workflows and manage cash movements at scale, collaborating cross-functionally to ensure system reliability and performance.

The Senior Software Engineer will develop production-quality code, lead technical projects, mentor junior developers, and collaborate with stakeholders within the Broker Tech team, focusing on enhancing broker capabilities and ensuring reliable payment processes.

Lead design, development, and delivery of large-scale, high-throughput backend services using Node.js/TypeScript. Drive architecture on AWS (EKS, MSK, S3), champion best practices (CI/CD, IaC, testing), mentor engineers, manage incidents and root-cause analysis, and collaborate with product and operations to deliver reliable, observable microservice-based systems.

The Staff+ Software Engineer will lead backend systems for AI products, managing complex projects and driving product enhancements while optimizing performance and reliability for a global user base.

Design, build, and operate scalable, secure backend services and APIs for a membership ecosystem at 100M+ scale. Own reliability (99.9%+), lead architecture, drive incident response and long-term fixes, mentor engineers, and collaborate cross-functionally while using AI-native development practices.

Build and maintain Python-based state systems for real-time voice AI, integrate multiple LLM providers, write async high-performance code and tests, monitor production, design databases (SQL/NoSQL), implement auth, and build microservices on AWS/Kubernetes to ensure reliability and high availability.

As a Senior Backend Engineer at Akkio, you'll design and build backend systems for an AI-driven platform, lead projects, mentor junior engineers, and optimize cloud infrastructure.

The Senior Backend Data Engineer will extend data ingestion and processing pipelines, build APIs and backend services, and provide technical leadership.

As a Backend Software Engineer, you'll develop and maintain REST APIs using Django, manage cloud infrastructure, and oversee CI/CD pipelines to support consumer fintech applications.

The role involves designing and developing backend systems and applied machine learning solutions for integrity and safety challenges in AI interactions. Responsibilities include leading technical solutions, collaborating with cross-functional teams, and mentoring engineers while establishing best practices in software engineering and machine learning.

Design, develop, and maintain backend systems. Implement APIs, optimize performance, and collaborate with teams to deliver efficient solutions.

Alaffia Health seeks a Senior Python Engineer to develop AI-driven medical billing applications, focusing on backend API development and data processing. Responsibilities include collaborating across teams, improving observability practices, and ensuring successful project delivery.

Design, scale, and optimize ClickUp's search infrastructure using OpenSearch/Elasticsearch. Improve relevance, speed, and real-time indexing, build vector search capabilities, create evaluation frameworks, and collaborate with AI/backend/product teams to integrate and troubleshoot search at scale.

As a Senior Backend Engineer, you will build and optimize backend services and APIs, improve CI/CD workflows, and mentor teammates while collaborating with a cross-functional team.

Build and maintain Django-based backend systems: design APIs, data models, and Celery pipelines; optimize Postgres/PostGIS queries; integrate AI and third-party services; deploy, monitor, and mentor engineers to deliver reliable, high-performance features.

Design and build API tooling, integrations, and mission-critical distributed platform services. Own API Gateway integrations and service lifecycles, drive API governance, improve shared services, and support platform capabilities powering ClickUp's AI initiatives (Brain and Agents). Collaborate across teams in an agile environment to accelerate product development.

The Senior Software Engineer, Backend will design and maintain scalable backend services for artificial-gravity space stations, collaborating with cross-functional teams to ensure secure and reliable systems.

The Senior Backend Engineer will design and build scalable backend services for off-road navigation, mentor junior engineers, and improve system reliability.

As a Senior Backend Software Engineer at Archy, you will lead major product updates, ensuring system stability and scalability, while collaborating with cross-functional teams to enhance dental practice management solutions.

As a Senior Backend Engineer, you will build APIs and integrations, develop fault-tolerant systems, mentor engineers, and ensure code quality.

The Senior Software Engineer will build and maintain high-performance backend services and APIs for an AI healthcare platform, focusing on concurrency and reliability while ensuring secure data handling and system scalability.

The Staff Backend Software Engineer will lead the design and architecture of the backend systems, manage the delivery of product updates, and integrate AI tools to enhance the platform's functionality and performance.

Join Zencastr as a Senior Backend Engineer, focusing on building scalable applications using Node.js and Typescript, while emphasizing performance and code quality.

The Staff Software Engineer will manage projects, collaborate across teams, contribute to technical direction, and enhance backend systems for an AI-powered healthcare platform.

As a Staff Software Engineer, you will design and maintain financial services, develop APIs, improve operations, and mentor engineers within a fintech startup.