Top Entry Level Software Engineer Jobs in CO

Lead the design and delivery of complex distributed systems and high-impact product initiatives for Toast’s Catering & Events platform. Own critical architecture, drive technical strategy, improve scalability and reliability, mentor engineers, establish engineering best practices, and collaborate with Product and Design. The role also involves applying AI tools to improve developer productivity and enable new capabilities.

Design and implement backend APIs, microservices, and checkout platform components for Affirm’s financial products. Own system health, improve performance and reliability, collaborate across engineering teams, and contribute to technical standards, tooling, and processes. The role requires developing, testing, and shipping high-quality software at scale while making customer-centric technical decisions.

Assists with designing, developing, maintaining, testing, and debugging software applications. Participates in code reviews and Agile ceremonies, writes technical documentation, researches relevant technologies, and collaborates with Quality Assurance to validate application reliability and user requirements. The role requires onsite work four days per week, a variable schedule including potential nights and weekends, and independent judgment in significant matters.

Develop and maintain ticketing and provisioning applications for Customer Experience Operations. Responsibilities include designing APIs, optimizing routing and case management systems, extracting data from SQL Server and AWS Athena, maintaining CI/CD pipelines, documenting technical workflows, and identifying AI automation opportunities. The role requires collaboration with stakeholders and full-lifecycle application development experience.

Develop and support software, automation tools, dashboards, and alarms for cloud infrastructure, cost attribution, and cloud efficiency. Collaborate with cross-functional teams and senior engineers to design reliable systems, APIs, databases, tests, and AI agents. Contribute to architecture and automation strategies while maintaining strong security, communication, and delivery practices.

Build and deploy full-stack healthcare financial products used by millions of patients. Develop AI- and ML-powered features, integrate LLMs, enhance an AI billing assistant, and create patient payment solutions. Collaborate with product, design, and partner engineering teams to deliver production-ready software. Contribute to technical planning, coordinate complex development efforts, mentor peers, and maintain high standards for testing, code quality, efficiency, and technical debt management.

Design and build software for global network infrastructure, including automation, orchestration, provisioning, device lifecycle management, telemetry, validation, and remediation. Integrate DPUs, SmartNICs, and programmable networking into scalable cloud infrastructure. Lead architecture, RFCs, technical proposals, and complex initiatives while mentoring engineers and setting technical direction across network, hardware, compute, storage, and security teams.

Blissway seeks a Software Engineer to build robust systems for toll collection and highway safety. Responsibilities include coding, scaling prototypes, and integrating ML models.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Build, test, ship, and operate production backend features with minimal guidance. Design APIs, background jobs, integrations, data models, migrations, and bounded services while maintaining security, performance, observability, and reliability. Review code, improve automated testing, investigate production issues, address technical debt, participate in operational support, and collaborate asynchronously with product, frontend, infrastructure, and security teams. Use AI coding tools responsibly by validating and correcting generated output.