Top Senior Backend Engineer Jobs in Denver & Boulder, CO

The Senior Back End Engineer will lead backend development, mentor juniors, ensure coding standards, and contribute to system design and innovation.

The Senior Backend Developer will design, develop, and maintain backend systems using PHP and Laravel for B2C fintech applications, focusing on system security and payment gateway integration.

Develop and maintain server-side logic, databases, and APIs for OTT applications, ensuring security, scalability, and optimal performance. Requires experience in microservices and API integration.

Design and implement BPMN workflows and DMN decision models to automate processes across laboratory, clinical, and business systems, collaborating with teams to enhance workflow orchestration.

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

Lead the design, development, and deployment of software solutions to combat identity fraud, mentor junior engineers, and ensure high-quality products.

Develop and enhance features within the Subscriptions Backend, ensuring system stability and observability, and leading architectural decisions.

As a Senior Software Engineer, you will enhance data pipelines, integrate with EHR systems, and mentor fellow engineers while ensuring scalable and reliable solutions for health technology.

Design and develop scalable backend services and APIs for Censys' data platform, processing large datasets and collaborating with teams to ensure effective product development.

The Senior Backend Engineer will develop backend solutions using .NET/C# and modern architecture, focusing on cloud services and databases, while managing client projects.

Design, implement, and maintain Python backend services and scalable data pipelines using dataframes, Parquet, and Databricks. Optimize distributed processing, build APIs, ensure data quality and observability, and mentor engineers.

As a Senior Backend Engineer, you'll design scalable services and APIs, maintain systems, and collaborate with teammates to enhance the product experience.

Design and operate backend services in Python/Django, focusing on APIs, data modeling, performance, and reliability. Collaborate with teams to enhance user workflows and support production issues.

As a Senior Backend Engineer at Offchain Labs, you'll tackle complex distributed systems challenges, optimizing performance and contributing to the security and scalability of blockchain technology.

As a Senior Backend Engineer in Conversational AI, you will design and implement intelligent systems, lead technical projects, mentor teammates, and ensure the quality of your team's code while collaborating with cross-functional partners.

The Sr Software Engineer will enhance platform performance, develop cloud-native systems, improve CI/CD processes, and oversee deliverables while collaborating with feature teams.

The Senior Backend Engineer will maintain a PHP-based payment platform, migrate to Rust, troubleshoot production systems, and contribute to code quality and deployment cycles.

Senior Backend Engineer responsible for building and scaling backend systems to enhance the WeightWatchers member experience, ensuring performance and reliability. Responsibilities include developing APIs, improving data management, achieving operational excellence, and mentoring junior engineers.

As a Senior Backend Engineer, you will design and deliver complex systems across software, infrastructure, networking, and security while mentoring junior engineers and ensuring high-quality software delivery.

As a Senior Backend Engineer at Eight Sleep, you will develop and maintain back-end services and improve data processing, supporting critical business logic in distributed systems.

As a Senior Backend Engineer, you'll develop and architect features for user identity and subscription management, ensuring scalable access and reliability across platforms while mentoring team members.

Design, enhance, and scale the ClickPipes data onboarding platform while improving infrastructure, deployment pipelines, and operational processes in a cloud environment.

As a Senior Backend Engineer, you will design and deploy multi-modal agentic workflows impacting thousands of users, collaborating across teams and ensuring high standards of reliability and compliance.

Responsible for leading a team to improve developer productivity, managing projects, and ensuring high-quality code delivery while collaborating across teams.

Seeking a Senior Backend Engineer to design and implement robust backend systems using Python, FastAPI, and Docker. Responsibilities include developing APIs, asynchronous workflows, and collaborating on architectural discussions, focusing on performance and reliability.