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

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.

Contribute to full-stack features for spacecraft mission control and distributed ground control systems. Build React/TypeScript frontends and Elixir backend services, write maintainable and testable code, collaborate with operators, designers, and engineering specialists, and participate in design and code reviews. The role involves smaller, well-defined tasks under senior guidance during a three-month temporary engagement with potential conversion.

Develop and maintain modern C++ spacecraft simulation software and multi-physics libraries. Model spacecraft dynamics, thermal systems, attitude control, propulsion, power, sensors, and actuators; implement numerical solvers and time-stepping algorithms; maintain Python and C++ APIs; and collaborate on mission planning, algorithm development, testing, code reviews, and sprint planning.

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.

Contribute to design, development, and implementation of client software. Write clean Java, C++, and Python code, participate in code reviews, debug and optimize applications, and collaborate with cross-functional teams.

The role involves designing, developing, and maintaining software applications. Collaboration with cross-functional teams is expected, alongside optimizing existing systems.

Design, develop, maintain, and support full-stack applications, Azure cloud services, REST APIs, integrations, and data workflows. Contribute to CI/CD, infrastructure automation, testing, monitoring, troubleshooting, documentation, and operational improvements. Participate in a 24x7 rotational on-call schedule, handling incidents, restoring services, documenting resolutions, and supporting continuous reliability improvements across business-critical platforms.

Own significant areas of PayBox end-to-end, from problem definition through production and iteration. Build AI-interface payment and peer-to-peer transfer experiences, integrations across AI platforms, and infrastructure for applications and plugins. Partner with Product, improve onboarding and UX, make pragmatic architectural decisions, and operate autonomously in an ambiguous, fast-moving environment. The role emphasizes strong systems thinking, product judgment, thoroughness, and extensive but accountable use of AI.

Build full-stack features for search, browsing, content curation, governance, and student exploration across education products. Develop backend services using databases, datastores, messaging, and cloud infrastructure, while building accessible TypeScript and React frontends. Write unit, component, and contract tests and add observability through traces, metrics, and logs. Work independently with distributed teams and help adopt AI-first development through multi-agent orchestration and formal engineering constraints.

Develop and customize Salesforce solutions using Apex, SOQL, Aura, LWC, JavaScript, workflows, reports, and integrations. Translate business requirements into prototypes and production features, follow Salesforce best practices, address platform governor limits, create technical documentation, and collaborate with business and product stakeholders. The role also supports REST/SOAP APIs, GitHub and Gearset deployments, Excel integrations, and AI-assisted development. Commercial real estate and GSE Agency financing knowledge are required.

As a Software Engineer - Backend, you will develop products and manage engineering infrastructure, focusing on system design, security, and code quality.

Build internal software and AI-powered systems that connect Product, Engineering, Sales, Marketing, Programs, and Operations. Responsibilities include integrating SaaS tools, APIs, databases, LLMs, and AI agents; automating workflows; creating systems that translate product specifications into engineering work; maintaining synchronized documentation; supporting controlled government proposal workflows; and improving how employees and agents collaborate.

Develop full-stack software and web applications supporting national security missions. Translate user and analyst needs into user-friendly systems, apply continuous integration, and collaborate with teammates and users through design sessions and documentation. The role may involve Java, Python, JavaScript or TypeScript, Angular, React, databases, REST services, machine learning, and analytics. Candidates must hold an active TS/SCI clearance and be able to obtain a polygraph.

Develop full-stack software and web applications based on user and mission requirements. Responsibilities include translating needs into user-friendly systems, using continuous integration to maintain sustainable software, and collaborating with teammates and users through design sessions and documentation. The role may involve Java, Python, JavaScript, Angular, React, Kubernetes, databases, REST services, and related technologies. A TS/SCI clearance is required.

Develop front-end and full-stack software and web applications for national security missions. Translate user and analyst requirements into user-friendly systems, select appropriate architectures and technologies, use continuous integration, and collaborate with teammates and users through design documents and whiteboard sessions. The role requires TS/SCI clearance and involves technologies including Java, Python, JavaScript or TypeScript, Angular, React, REST services, containers, Kubernetes, and databases.

Lead the technical direction of Zocdoc’s patient acquisition platform, building scalable APIs, microservices, AWS infrastructure, and React experiences. Improve SEO, page speed, system reliability, and patient-facing data access. Collaborate with Product, Design, and Marketing, integrate third-party data and Contentful, apply LLM technology, promote engineering excellence, mentor engineers, and drive AI-focused innovation across distributed teams.

Develops and debugs software enhancements and subsystems for systems software, including operating systems, networking, databases, utilities, and Internet tools. Executes test plans, identifies and resolves issues, and collaborates with internal and outsourced development partners. Contributes to project teams delivering reliable, cost-effective solutions for low- to moderately-complex products while applying foundational software design, coding, testing, and debugging knowledge.

Design and implement infrastructure services for a GPU-as-a-Service platform. Build REST and gRPC APIs, bare-metal provisioning workflows, Kubernetes cluster lifecycle services, reconciliation loops, reliability mechanisms, and interfaces for hardware and cluster health. The role requires Go, Kubernetes controller patterns, bare-metal provisioning, asynchronous systems, and experience with infrastructure technologies such as Metal3, Cluster API, and Temporal.

Leads technical direction and multi-year strategy for Netflix’s Application Networking organization. Partners with engineering leads to shape architecture for globally scaled distributed systems, service-to-service communication, external traffic, identity, security, and access enforcement. The role addresses complex, ambiguous technical challenges, influences stakeholders across business units, contributes to open-source or industry standards, develops senior engineers, and communicates with engineering, product, and executive audiences.

Design and deliver full-stack applications spanning user interfaces, data models, APIs, backend services, cloud infrastructure, and AI-enabled workflows. Build vector-store and RAG capabilities, deploy Azure services with Terraform and containers, and contribute to architecture, technical roadmaps, code reviews, testing, and system operations. Collaborate directly with business stakeholders to understand needs and deliver scalable, secure, enterprise-grade software. The role also involves identifying patentable innovations, preparing disclosures, and supporting patent prosecution.

Build AI-powered product quality infrastructure for capturing, synthesizing, routing, and acting on customer feedback. Develop bug intake and triage systems, dashboards, data pipelines, analytics tooling, and integrations with ticketing, payment, CRM, and data warehouse systems. Partner with support engineers and domain specialists to improve product quality and ship internal tools quickly.

Develop high-quality, resilient software across Ubuntu and the open source stack, from Linux systems and firmware to cloud, containers, and desktop applications. Contribute to product roadmaps, user experience, code reviews, issue resolution, security, and enterprise requirements. Collaborate remotely with global engineering teams and the open source community, while building expertise in programming languages and Linux systems. Attend international company sprints twice yearly.

Join Galaxy Ventures' Talent Network for Software Engineer roles. Connect with crypto portfolio companies for career opportunities and networking events.

Build and maintain performant, accessible consumer-facing experiences for Netflix’s iOS app using Swift and GraphQL. Collaborate with product managers, designers, and engineers to scope projects, refine interfaces, develop shared infrastructure, and make architectural trade-offs. Teams may focus on client foundations, server-driven UI, advertising frameworks, or ad insertion. Responsibilities include writing robust maintainable code, automation, documentation, and supporting high-quality, scalable mobile experiences.