Top Software Engineer Jobs in CO

Design, develop, test, and deploy Go and Python microservices for a B2B financial platform. Collaborate cross-functionally, support client onboarding and documentation, build automations, monitor system reliability, and later transition to product development or team lead responsibilities.

Design, develop, test, and architect complex software systems for space and defense applications. Write maintainable code, use Git, participate in code reviews, troubleshoot issues, document processes, stay current with industry trends, and mentor junior engineers while collaborating in Agile teams.

The Software Engineer III will design, develop, and test software for space systems, mentor other engineers, and enhance CI/CD pipelines while ensuring security practices.

The Principal Software Engineer designs, develops, and tests software for space systems. Responsibilities include coding, technical leadership, system architecture, and mentoring, while adhering to best practices and software development methodologies.

Build and operate scalable, fault-tolerant consumer-facing services using AWS and serverless architectures. Collaborate on design, development, testing, CI/CD, observability, and production ownership. Leverage AI tools and LLM building blocks to prototype, evaluate, and improve software and automated workflows.

The Principal Engineer will lead technical direction across multiple teams, design architecture for financial systems, mentor engineers, and drive multi-year transformations in the Money Group.

Provide technical leadership for partner integrations (e.g., Shopify, Stripe), design solutions, manage project plans and timelines, support external partner technical questions, produce integration documentation, serve as SME/escalation point, recommend platform and tooling improvements, and collaborate with engineering and commercial teams to execute long-term partnership initiatives.

The role requires leading a backend engineering team to develop Affirm Card platform solutions, collaborating cross-functionally, and fostering a high-performance culture.

Work on user-facing features built on the MongoDB query engine, implement and test C++ code, improve query performance and robustness, integrate query with other products, and participate in code reviews and design. Deliver new features, fix bugs, and mentor peers over time.

Join the MongoDB Server Query Optimization team to build a distributed open-source query optimizer, focusing on enhancing query performance and robustness. Responsibilities include innovation in flexible schema databases, mentoring team members, and contributing to the technical roadmap based on extensive experience in the database domain.

Lead design and implementation of developer tooling (SDKs, CLI, workflows), set API governance and technical standards, advocate developer experience across product teams, run community events and livestreams, and deliver high-impact cross-team SDK and platform initiatives to improve reliability, performance, and developer adoption.

Lead Android migration and launch across Cash Line and Unsecured Installment products. Define mobile architecture, partner with product/design, mentor engineers, deliver high-quality native Android and React Native solutions, and continue as a mobile specialist post-launch to improve performance and scalability.

The Senior Full-Stack Engineer will manage client relationships, design integration solutions, and ensure seamless delivery and optimization of technical workflows, while leveraging AI for efficiency.

Responsible for building new products, updating existing offerings, leading projects, mentoring, and ensuring quality and alignment in technical implementation. Collaborate with teams to drive projects from ideation to production.