Top Entry Level Software Engineer Jobs in CO

Assists with designing, developing, testing, deploying, maintaining, and debugging business applications. Collaborates with developers and stakeholders, participates in code reviews, documents software processes, supports upgrades and releases, and identifies process improvement opportunities. The role requires foundational programming, testing, troubleshooting, version control, SQL, Agile, and communication skills while following security, quality, and compliance standards.

As an Outcome Engineer, you will architect multi-agent systems, implement automated governance, and build evaluation frameworks to enhance AI-powered workflows.

The Quantitative Developer will assist with client onboarding, support, implement and maintain new functionality for portfolio compliance, and improve team documentation.

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

Join as a Software Engineer contributing end-to-end to Palantir products (Foundry, Gotham, Apollo). Write high-quality code, collaborate with cross-functional teams, engage with customers to understand problems, and iterate from design to shipping while learning from a dedicated mentor.

Design, implement, test, debug, and evolve onboard flight software for spacecraft and payloads. Responsibilities include defining software architecture, mission modes, state machines, data handling, communications, command processing, fault detection and recovery, and hardware interfaces. The engineer will adapt vendor software, collaborate with avionics and systems teams, perform lab and integration testing, document procedures, and serve as a flight software subject matter expert.

Develop and modify jBase applications to format data for SAP cutover, maintain the jBase database after conversion, and support its use as a warehouse management system and website component. Work independently in a flexible, fully remote contract engagement for 20–40 hours per week.

Develop and maintain the jBase database during Parts Town’s SAP conversion. Responsibilities include formatting and aligning data for cutover, supporting ongoing jBase operations after conversion, and maintaining its use as a warehouse management system and website platform. The role is fully remote, contract-based, and offers flexible availability of 20–40 hours per week.

Own collaborative editing across React clients and Node services, including offline storage, queued mutations, realtime WebSocket synchronization, conflict resolution, and data persistence. Build agent-enabled editing experiences, investigate data-loss issues across environments, and collaborate with designers, backend engineers, and open-source contributors. The role requires production TypeScript experience across React and Node, rich-text editor frameworks, offline applications, WebSockets, and advanced Postgres skills.

Own end-to-end custom integrations for strategic customers, from technical discovery through production deployment. Build Python-based integrations against unfamiliar APIs and infrastructure, collaborate directly with customer engineers and stakeholders, diagnose issues remotely, and distinguish one-off requests from broader product gaps. The role requires independently delivering production code, communicating with both technical and executive audiences, and supporting deployments in cloud, self-hosted, regulated, and air-gapped environments.

Build and maintain WordPress pages using Elementor, troubleshoot site issues, perform updates and backups, and improve UI/UX and conversion performance. Support HubSpot forms, landing pages, tracking, routing, and occasional Unbounce work. The contractor will work independently with marketing and demand generation teams in a flexible, part-time U.S.-based 1099 engagement.

Owns end-to-end development and operation of features across multiple products and technology stacks. Responsibilities include UI, APIs, server logic, infrastructure, deployment, testing, observability, documentation, and support. The engineer will build AI-agent infrastructure involving LLM streaming, tool orchestration, sandboxed execution, and security boundaries, while also developing wallet-based web3 authentication and authorization. The role requires independent delivery ownership and strong TypeScript, React, cloud infrastructure, CI/CD, and production operations experience.