Top Entry Level Software Engineer Jobs in Denver & Boulder, CO

Build and ship Android features and foundational infrastructure for Netflix’s global app. Responsibilities include designing maintainable, testable code; developing shared frameworks and tooling; partnering with product, design, and engineering teams; modernizing Android practices; using automated testing; scoping projects and making technical trade-offs; and applying GenAI tools to improve development workflows.

Contribute to AI-powered healthcare workflows by designing and implementing features, collaborating across teams, while ensuring code quality and scalability.

Develop, maintain, and test complex software systems for the GBSD/Sentinel program. Implement algorithms, handle real-time and large-data processing, design software components, resolve defects, and participate in lifecycle activities using MBSE, OOP languages, and structured development processes.

Design and develop core backend components for a blockchain network using Rust, ensuring reliability and scalability in production-grade software.

The fellowship offers hands-on experience in software engineering, focusing on data engineering, cloud-native applications, and Agile workflows with mentorship from experienced professionals.

Develop and maintain backend features for Cribl Edge data collection agents running across Windows, Linux, and macOS. Design scalable, reliable software for hundreds of thousands of nodes, collaborate with product and UX teams, write automated tests, troubleshoot production issues, and support SaaS products through on-call rotations. The role requires TypeScript and Node.js development, cloud and container experience, operating-system knowledge, and experience with data-intensive applications or stream processing.

Design and build performance-focused TV UI architectures for Netflix’s streaming applications across smart TVs, game consoles, and cable boxes. Enable scalable development for engineering teams by improving developer experience, ergonomics, resource management, performance, memory usage, and technology integration. Responsibilities include systems-level architectural thinking, API design, profiling, collaboration with UI, design, platform, and tooling teams, and making thoughtful implementation trade-offs.

Build and ship Android features and infrastructure for Netflix’s global streaming and discovery experiences. Design maintainable, testable software using modern Android technologies, collaborate with product and engineering teams, evaluate technical trade-offs, modernize codebases, and support shared client frameworks. Engineers may work on server-driven UI, ads platforms, SDKs, developer tooling, or high-scale real-time experiences while using automated testing and GenAI development workflows.

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.

The Software Engineer - AI Systems will design and implement systems to coordinate LLMs, build testable software stacks, conduct research, and collaborate with team members to create AI-powered security solutions.

Build software that integrates with physical turbomachinery and factory systems: own components, ship production-ready code quickly, work with telemetry, HPC/GPU workloads, AI agents, and collaborate directly with engineers and technicians to deliver tools used in testing, design, and operations.

Work on modernizing and optimizing the CESM Earth system model: improve performance, reduce memory, enable hardware portability, analyze code quality, document findings, and prototype exploratory benchmarks and modernization strategies.

Build and maintain cross-platform Electron desktop apps focused on reliability, performance, and real-time behavior. Implement desktop features (file access, notifications, auto-updates), integrate AI via backend APIs, optimize startup/memory, profile Electron overhead, manage large local state and message history, and ensure stability on macOS and Windows.

Develop, maintain, and enhance complex software systems based on requirements. Design, code, debug, integrate software, document and test components, and develop data queries. Provide recommendations to improve processes and support system-level design decisions.

Collaborate on software projects, writing code in Java, utilizing Agile methodologies, ensuring compliance with security protocols and optimizing performance.

Design, develop, test, deploy, and support ServiceNow-based solutions and integrations. Troubleshoot production issues, participate in upgrades and release activities, create technical documentation, and collaborate with product managers, architects, cybersecurity teams, and stakeholders in a global Agile environment. Support Qualtrics and enterprise translation integrations and improve automation and user experience.

Develop software across requirements analysis, design, coding, testing, quality assurance, DevOps, data analysis, and maintenance. Collaborate with multidisciplinary engineering teams to support vehicle development, testing, and operations. Troubleshoot server-side and client-side issues and create efficient solutions using modern programming languages, source control, and development tools.

As a Software Engineer at Keycard, you'll design, develop, and implement identity and access infrastructures for dynamic, agent-native systems. You'll work on innovative projects that enhance developer experience and security, collaborating closely with a distributed team.

The Software Engineer will develop and operate the Praetorian Guard platform, implement backend and frontend solutions, and collaborate with security engineers on features and scalability.

Leads application engineering for an AI-powered email product, owning backend, mobile, and desktop architecture. Designs reliable AI workflows with orchestration, state management, retries, fallbacks, and failure handling; builds APIs connecting AI capabilities to product experiences; and leads a senior engineering team through architectural decisions, reviews, mentorship, and production excellence. Partners with ML leadership to ship scalable, observable, secure, and reliable systems while balancing latency, cost, user experience, and maintainability.

Develops and supports software applications. The posting requires U.S. citizenship or naturalized citizenship and mandates that all work be performed within the continental United States, Alaska, or Hawaii.

As a Full Stack Software Engineer at Goodbill, you'll develop data systems and user experiences, work with diverse data sources, and integrate AI features, ensuring high-quality consumer-facing applications.

Mudflap seeks software engineers to build and scale their payments platform using Ruby on Rails, collaborating cross-functionally and owning features end-to-end.

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.