Senior Software Engineer
Haystack · Denver

Senior Software Engineer

Haystack · IT
Posted 08.10.2026
Salary USD134,300 - 181,800
LocationDenver
Workplace N/A, Remote
Contract N/A · FlexTime, FullTime
monthsOfExperience: 60 ReactOS Typescript Sql Iteration Maintainability React.js Software Engineering

A world-leading engineering and consulting firm, dedicated to transforming critical infrastructure and driving digital innovation, is seeking a talented individual to join their team. This purpose-driven organization boasts over 80 years of success, with a culture that prioritizes both clients and employees.

The Role

  • Design, develop, and maintain scalable, secure full-stack solutions for SaaS and enterprise applications.
  • Contribute to application design and technical approaches, balancing user experience, API design, data modeling, performance, and maintainability.
  • Implement responsive frontend experiences, backend services, APIs, and data interactions for reliable business workflows.
  • Mentor and coach team members on software engineering principles, full-stack design patterns, and cloud-native practices.
  • Drive clarity and alignment in delivery by refining features, estimates, and technical approaches with various teams.
  • Contribute to an agile team culture through iterative delivery, engineering discipline, and continuous improvement.

What You'll Need

  • 5+ years of hands-on experience designing, building, and maintaining scalable full-stack applications.
  • Strong experience with React, TypeScript, C#/.NET, API development, and SQL-backed applications in enterprise or SaaS environments.
  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • Proven ability to contribute to application design and deliver maintainable software solutions.
  • Experience working in Agile environments with feature refinement and iterative delivery.
  • Strong communication and collaboration skills to explain technical concepts to diverse audiences.

What's On Offer

  • Flexible workplace and employee ownership opportunities.
  • Competitive pay and a comprehensive benefits package.
  • Collaborative environment and an innovative culture.
  • Opportunities to make an impact by creating and solving for a sustainable future.

Apply via Haystack today!

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