Software Engineer

We are seeking a Full Stack Software Engineer with strong backend experience in .NET Core and frontend experience in React to build and maintain scalable services and APIs. The role focuses on backend service development, API implementation, testing, and collaboration with frontend teams, while using modern AI-assisted development tools to improve productivity and code quality.

In this role as a Software Engineer II, you will:

• Design, develop, and maintain backend services and RESTful APIs using .NET Core/.NET 5+.
• Implement and consume APIs that support React-based frontend applications.
• Write and maintain unit and integration tests for backend and frontend components.
• Work with existing SQL Server and PostgreSQL databases by querying and consuming data.
• Collaborate with cross-functional teams to translate requirements into technical solutions.
• Participate in code reviews, agile ceremonies, and continuous improvement initiatives.
• Use AI-assisted development tools (e.g., Copilot, Cursor, Claude Code) to accelerate development and improve code quality., Design, build, test, and optimize scalable control-plane and data-plane software for cloud networking products. Develop APIs, improve performance, reliability, monitoring, and customer experience, while supporting products end to end. Collaborate across teams, establish engineering and architecture best practices, automate delivery processes, and mentor engineers. The role requires strong Go and distributed-systems experience, networking knowledge, cloud and containerization expertise, and familiarity with technologies such as eBPF, XDP, Kubernetes, and gRPC. Top Skills: ChefCi/CdConsulDnsDockerEbpfGitGoGrafanaGrpcJIRAKafkaKubernetesLightstepPrometheusSQLTemporalVirtualizationXdp DigitalOcean

• Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.
• 5+ years of experience developing backend applications using .NET Core or .NET 5+.
• 4+ years of experience building frontend applications with React and modern JavaScript/TypeScript.
• Experience building and consuming RESTful APIs.
• Working knowledge of SQL Server or PostgreSQL.
• Experience writing unit tests and familiarity with common testing frameworks.
• Proficiency with Git and standard version control workflows.

Preferred Qualifications:

• Familiarity with AI-assisted development tools and modern developer productivity workflows.
• Exposure to microservices or service-oriented architecture.
• Experience with CI/CD pipelines and containerized development (Docker).
• Cloud experience with AWS or similar platforms.
• Familiarity with authentication and authorization concepts (OAuth, JWT, RBAC).
• Experience with GraphQL, message queues, or event-driven systems is a plus.
• Prior experience or domain knowledge in K-12 education, Student Information Systems, or EdTech is preferred., Applicants must be authorized to work for any employer in the United States. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

Benefits for eligible US employees include:

• World Class Health Benefits: Medical, Prescription, Dental, Vision, Telehealth
• Health Savings and Flexible Spending Accounts
• 401(k) and Roth 401(k) with company match
• Paid Vacation and Sick Time Off
• 12 Paid Holidays
• Parental Leave (20 total weeks with 14 weeks paid) & Milk Stork program
• Tuition Reimbursement
• Life & Disability Insurance
• Well-being and Employee Assistance Programs, Yesterday In-Office or Remote 87K-111K Annually Mid level 87K-111K Annually Mid level Fintech Develops and supports enterprise Salesforce solutions across the full software delivery lifecycle. Responsibilities include Apex and Lightning Web Components development, Salesforce configuration, integrations using REST and SOAP APIs, architecture contributions, automated deployments, code reviews, troubleshooting, documentation, and production support. The role collaborates with product, business, architecture, and engineering teams while promoting scalable, secure, maintainable solutions and continuous platform improvement. Top Skills: ApexCi/CdCopadoGearsetGitJenkinsLightning Web ComponentsMulesoftOmnistudioRest ApisSalesforceSalesforce DxSalesforce FlowsSoapSOQLSosl DigitalOcean, In-Office or Remote Denver, CO, USA 167K-209K Annually Senior level 167K-209K Annually Senior level Artificial Intelligence * Cloud * Software * Infrastructure as a Service (IaaS) Design, build, test, and optimize scalable control-plane and data-plane network services and tools. Develop APIs, improve reliability and performance, support cloud products, establish engineering best practices, collaborate across teams, and mentor engineers. The role focuses on distributed systems, networking, observability, containerization, and production-ready software delivery. Top Skills: ChefCi/CdConsulDnsDockerEbpfGitGoGrafanaGrpcJIRAKafkaKubernetesLightstepPrometheusSQLTemporalXdp

What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

• Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
• Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
• Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
• Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
• Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
• Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute

When you join Renaissance®, you join a global leader in pre-K-12 education technology! Renaissance’s solutions help educators analyze, customize, and plan personalized learning paths for students, allowing time for what matters-creating energizing learning experiences in the classroom. Our fiercely passionate employees and educational partners have helped drive phenomenal student growth, with Renaissance solutions being used in over one-third of US schools and in more than 100 countries worldwide.

Every day, we are connected to our mission by exemplifying our values: trust each other, win together, strive for the best, own our actions, and grow and evolve.