Top Backend Developer Jobs

Seeking a backend engineer to build and maintain scalable communication systems, optimize APIs, and collaborate closely with leadership to architect solutions.

Design and scale backend systems for OpenAI applications, ensuring reliability and performance while collaborating with product and infrastructure teams.

Develop backend systems that scale with Flow's growth, optimizing APIs and services while collaborating with cross-functional teams and mentoring junior engineers.

The Senior Backend Engineer will develop backend services and APIs, lead projects, mentor engineers, and implement best practices for security and compliance in a collaborative and agile environment.

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

As a Senior Back-End Engineer, you'll architect backend systems, oversee complex projects, and enhance AI-driven data analytics platforms for media agencies.

The Software Engineer role at Betterment involves building trading technology, solving complex backend issues, and collaborating on project delivery while ensuring system stability.

The Senior Software Engineer will design backend services, optimize performance, implement security measures, and ensure robust API integration for a scalable agent platform on healthcare.

Design and build software systems for customer retention, participate in the engineering life-cycle, and conduct code reviews.

As a Senior Software Engineer at Flex, you will lead back-end development for financial products, mentor engineers, and drive architecture design while focusing on scalability and data integrity.

As a Senior Software Engineer at Duolingo, you will develop, release, and maintain backend services while collaborating on software projects, emphasizing data structures and algorithms.

The Senior Backend Engineer develops core product features in ETL and GraphQL, designs APIs, builds ETL pipelines, and collaborates with frontend teams.

The Senior Backend Engineer will lead AI-focused projects, optimize data pipelines, mentor juniors, and enhance customer support through innovative technologies.

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 design and develop backend systems and APIs, mentor other engineers, and resolve complex integration challenges in healthcare technology.

As a Backend Software Engineer, you will develop internal products, collaborate on application design, address issues, and promote best practices.

The Senior Backend Engineer will develop AI-powered backend agents, optimize services, and contribute to both backend and frontend components in a collaborative environment.

NetBox Labs seeks a Backend Engineer to design and maintain backend systems, collaborate on APIs, optimize data, and ensure software reliability. Ideal candidates have strong Golang and Python skills and 5+ years of experience.

The Senior Software Engineer will enhance backend systems, ensure low latency in transaction processing, and maintain service availability while improving core functionalities.

Design and build software for GridOS Distributed Energy Resource Management System, ensuring quality and scalability while collaborating with developers and product management.

As a Backend Software Engineer, you will lead projects, collaborate with teams, and build secure backend systems for SaaS products.

Contribute to drug discovery and chemistry simulation platform development, collaborate with R&D teams, and build infrastructure for simulation and data platforms.

As a Senior Backend Engineer at Mozilla, you will design, build, and maintain backend systems for Mozilla Ads, mentor junior engineers, and leverage product strategy in key projects.

As a Senior Software Engineer at Nextdoor, you will build and manage scalable cloud infrastructure, focusing on Kubernetes and automation for development workflows.