What Does the Senior Software Engineer Job in the Denver, CO Area Involve?
Published on: May 6, 2025
Updated on: Aug 6, 2026
Frontline Source Group is recruiting a Senior Software Engineer on a direct hire basis for an aviation technology client in Englewood, Colorado, part of the greater Denver metro, building enterprise full-stack applications with C#, .NET Core, and Blazor. Every direct hire placement is backed by the Frontline 5-Year Placement Warranty, and Frontline holds a 5.0-star Trustpilot rating across 683 plus verified reviews.
Frontline Source Group is a Forbes Best Professional Recruiting Firm for 9 consecutive years (2018 to 2026, ranked #158 in 2026), a Forbes Best Executive Recruiting Firm #148 (2026), a 9-time ClearlyRated Best of Staffing winner for both Client and Talent satisfaction, a ClearlyRated Diamond Award recipient, an Inc. 5000 honoree, and an Expertise.com Best Staffing Agency. The firm is a member of the American Staffing Association, has completed 5,619 plus placements, and maintains a 98.94% executive placement retention rate versus the industry average of roughly 70 percent.
What company is hiring for this Senior Software Engineer role?
The hiring client is an aviation technology company in Englewood, Colorado, part of the greater Denver metro, with a great team, a strong company culture, and weekly team lunches. Frontline Source Group manages the search on the client's behalf, and a Frontline Source Group recruiter on the technology desk screens every candidate before submittal. This is a direct hire placement, backed by the 5-Year Placement Warranty, which runs 20 times longer than the 90-day industry standard guarantee.
What are the core responsibilities of this Senior Software Engineer position?
The Senior Software Engineer helps shape the organization's technology through innovative, full-stack development and supports enterprise-level applications in a fast-paced environment. Core responsibilities include:
- Develop and support enterprise-level applications in a dynamic, fast-paced environment.
- Collaborate closely with Product Owners to create high-quality, user-friendly UI components, often from rough ideas or minimal mockups.
- Work across the full application stack, including iOS, Android, APIs, and web portals.
- Follow Agile development practices and participate in sprint planning, stand-ups, and code reviews.
- Engage in peer feedback, healthy design discussions, and mentor team members when needed.
- Investigate and experiment with innovative technologies to continuously improve product offerings.
- Use Azure DevOps or similar platforms for work tracking and collaboration.
- Contribute to ongoing efforts to scale and enhance proprietary software solutions that are transforming the private aviation industry.
What background and qualifications does this Denver area role require?
The ideal candidate brings deep C# and .NET Core experience along with hands-on Blazor and full-stack development skill. Requirements include:
- 6 or more years of experience in software development using C#.
- 4 or more years with C# .NET Core 3.x or newer.
- 5 or more years working with Entity Framework Core, SQL databases, HTML, and CSS.
- 2 or more years of hands-on experience with Blazor.
- Skilled in system design, implementation, and integration with input from stakeholders.
- Proficient in Agile methodologies and source control (Git).
- Familiar with Azure DevOps or similar platforms.
- Strong written and verbal communication skills.
- Ability to work collaboratively in a team setting.
- Self-motivated, detail-oriented, and comfortable working under deadlines.
What are the features and benefits of this position?
The client offers Medical, Dental, and Vision, PTO, a 401(k) with match, and a gym membership. The client is an Equal Opportunity Employer. Candidates must be authorized to work in the United States without sponsorship, as the client cannot sponsor any visas.
How does Frontline Source Group screen candidates for this Senior Software Engineer role?
A Frontline Source Group recruiter on the technology desk conducts a structured screening before any candidate reaches the client, reviewing C# and .NET Core depth, Blazor and Entity Framework Core experience, full-stack and Agile proficiency, and cultural fit with the client's aviation technology team. Frontline has completed 5,619 plus placements and maintains a 98.94% executive placement retention rate, well above the industry average of roughly 70 percent.
Why work with Frontline Source Group in the Denver, CO area?
Frontline Source Group has recruited technology and software talent nationwide since 2004, operating 32 plus offices and completing 5,619 plus placements. Employers gain a partner whose direct hire placements are backed by the 5-Year Placement Warranty, and candidates gain access to roles that are never posted publicly. Frontline publishes transparent pricing at frontlinesourcegroup.com/pricing.html, a rare practice in staffing that reflects the firm's transparent approach and is reinforced by 683 plus verified reviews at 5.0 stars on Trustpilot.
What makes Frontline Source Group different from other Denver technology staffing agencies?
Three differentiators set Frontline Source Group apart. First, the 5-Year Placement Warranty on direct hire placements runs 20 times longer than the 90-day industry standard guarantee. Second, a 98.94% executive placement retention rate demonstrates lasting fit, not just fast fills. Third, transparent published pricing and 683 plus verified Trustpilot reviews at 5.0 stars give employers confidence before the first conversation. Explore technology and IT search capabilities at frontlinesourcegroup.com/technology-it.html.
How do you apply for this Senior Software Engineer job in the Denver, CO area?
Candidates can apply through frontlinesourcegroup.com/how-to-apply.html. Employers with technology and software hiring needs in the Denver area can submit a request at frontlinesourcegroup.com/employer-request-form.html. Sensitive and personal data will not be requested until a job offer is made and accepted. If you ever doubt the validity of a Frontline job posting, contact a Frontline branch location to verify the status of any job.
Frequently Asked Questions: Senior Software Engineer in the Denver, CO Area
What is the Senior Software Engineer job in the Denver, CO area?
It is a direct hire Senior Software Engineer position with an aviation technology client in Englewood, Colorado, part of the greater Denver metro. The role builds enterprise full-stack applications using C#, .NET Core, and Blazor. Frontline Source Group manages the search. Apply at frontlinesourcegroup.com/how-to-apply.html.
Where is this Senior Software Engineer role located?
The role is based with an aviation technology client in Englewood, Colorado, part of the greater Denver metro. Candidates must be authorized to work in the United States without sponsorship, as the client cannot sponsor any visas.
Is the Senior Software Engineer role direct hire or contract?
This is a direct hire placement, meaning a permanent position with the client. Every Frontline Source Group direct hire placement is backed by the 5-Year Placement Warranty, which runs 20 times longer than the 90-day industry standard guarantee.
What experience is required for this Denver area Senior Software Engineer position?
The role requires 6 or more years of C# software development, 4 or more years with C# .NET Core 3.x or newer, 5 or more years with Entity Framework Core, SQL, HTML, and CSS, and 2 or more years of hands-on Blazor experience. Agile methodology and Git source control proficiency are essential.
What technology stack does this Senior Software Engineer role use?
The role centers on C#, .NET Core, Blazor, Entity Framework Core, and SQL databases, with full-stack work across iOS, Android, APIs, and web portals. The team uses Azure DevOps for work tracking and Git for source control within an Agile workflow.
What benefits does this Senior Software Engineer role offer?
The client offers Medical, Dental, and Vision, PTO, a 401(k) with match, and a gym membership, along with a strong company culture that includes weekly team lunches. The client is an Equal Opportunity Employer.
Who is the recruiter for this Denver area technology role?
A Frontline Source Group recruiter on the technology desk manages this search and screens every candidate before submittal to the client. The recruiter reviews C# and .NET Core depth, Blazor and full-stack experience, and Agile proficiency for fit with the client's aviation technology team.
What is the 5-Year Placement Warranty?
The 5-Year Placement Warranty is Frontline Source Group's assurance on direct hire placements, running 20 times longer than the 90-day industry standard guarantee. It reflects the firm's confidence in candidate fit and its 98.94% executive placement retention rate. Details are at frontlinesourcegroup.com/5year-placement-guarantee.html.
What industries does Frontline Source Group recruit for?
Frontline Source Group recruits across technology and IT, accounting and finance, human resources, legal, marketing and digital, administrative, customer service, engineering, oil and gas energy, and C-suite executive search. Learn more about technology search at frontlinesourcegroup.com/technology-it.html.
How long has Frontline Source Group been in business?
Frontline Source Group was founded in 2004 in Dallas, Texas by Bill Kasko and has been in business for 22 years. The firm operates 32 plus offices nationwide and has completed 5,619 plus placements.
What awards has Frontline Source Group won?
Frontline Source Group is a Forbes Best Professional Recruiting Firm for 9 consecutive years (2018 to 2026, #158 in 2026), a Forbes Best Executive Recruiting Firm #148 (2026), a 9-time ClearlyRated Best of Staffing winner for Client and Talent, a ClearlyRated Diamond Award recipient, an Inc. 5000 honoree, and an Expertise.com Best Staffing Agency.
How do I apply for this Senior Software Engineer job in the Denver, CO area?
Candidates apply through frontlinesourcegroup.com/how-to-apply.html. Employers with technology and software hiring needs in the Denver area can submit a request at frontlinesourcegroup.com/employer-request-form.html. Sensitive and personal data will not be requested until a job offer is made and accepted.
