Demo

Senior Software Developer

Hydrogen Group
Denver, CO Contractor
POSTED ON 4/8/2026
AVAILABLE BEFORE 4/20/2026

Senior Software Developer

Central Denver, CO (Hybrid--3 days)

Duration: initial 6-month contract

Pay: $65-85/hr

We are seeking a skilled Software Engineer to design, develop, and maintain scalable, high-performance systems that support evolving business needs. This role requires strong full-stack capabilities, with a focus on backend services, APIs, integrations, and modern front-end development. The ideal candidate will also contribute to architectural decisions, system reliability, and engineering best practices across the team.

Key Responsibilities

  • Design, build, and deploy scalable and high-performance software systems aligned with business objectives
  • Develop server-side applications and services using modern .NET technologies (.NET 10 / .NET Core)
  • Design, implement, and enhance APIs, event-driven architectures, and system contracts
  • Build and maintain system integrations with a focus on data consistency, reliability, and minimizing data drift
  • Develop and maintain user-facing applications using React and related front-end technologies
  • Ensure solutions are optimized for deployment within containerized environments such as Kubernetes
  • Evaluate system design choices with an emphasis on integration, scalability, and feasibility
  • Implement and maintain observability solutions including monitoring, logging, and tracing
  • Maintain high standards of code quality through code reviews, best practices, and configuration management
  • Clearly communicate technical concepts, architecture decisions, and implementation details across teams
  • Provide technical leadership by defining coding standards and guiding other developers
  • Stay current with emerging technologies and recommend improvements where appropriate
  • Contribute to continuous improvement in system design, development processes, and support practices
  • Create and maintain detailed technical documentation as needed
  • Collaborate closely with engineering teams and support personnel to resolve issues and improve systems
  • Perform additional duties and responsibilities as assigned


Required Qualifications

  • Strong understanding of software engineering principles, system design, data structures, and data modeling
  • Experience with relational databases and best practices in data modeling
  • Excellent problem-solving skills and sound business judgment
  • Strong communication skills with the ability to explain technical concepts clearly to both technical and non-technical audiences
  • Ability to build strong working relationships across teams and stakeholders
  • Self-motivated, proactive, and capable of driving initiatives independently
  • Adaptable and eager to learn new technologies and platforms
  • Ability to interpret and follow written, verbal, and diagram-based instructions
  • Comfortable communicating across all levels of an organization


Required Experience

  • 4-5 years of professional software development experience using .NET (Core or similar frameworks) or other modern object-oriented languages (e.g., Java, Go)
  • Hands-on experience with React, Next.js, or similar modern front-end frameworks
  • Experience designing and building distributed systems, including microservices and event-driven architectures
  • Proven experience improving system observability, telemetry, and troubleshooting integration challenges
  • Experience with automated testing frameworks, performance optimization, and QA practices
  • Experience working with containerized applications and deploying to Kubernetes environments
  • Experience with CI/CD pipelines using tools such as GitHub Actions, Jenkins, or TeamCity
  • Experience deploying applications to cloud platforms such as AWS or Azure

Salary : $65 - $85

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