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Freelance Senior Software Developer Jobs in Colorado

247Hire

Senior Software Engineer

Englewood, CO · On-site

$110 - $140/hr

Experience working with Azure DevOps or similar development platforms * Experience working within ... Gym Membership Senior Software Engineer Background Profile * 4+ years of professional software ...

New

247Hire

Senior Software Engineer

Greenwood Village, CO · On-site

$110 - $140/hr

Experience working with Azure DevOps or similar development platforms * Experience working within ... Gym Membership Senior Software Engineer Background Profile * 4+ years of professional software ...

New

3B Staffing LLC

Senior Software Engineer

Fort Collins, CO · On-site

$121K - $159K/yr

Senior Software Engineer / Technical Lead Location: Fort Collins / Loveland / Longmont, CO (Hybrid) Duration: Contract GC, USC Video Interview TypeScript, GraphQL, AWS Lambda (serverless), strong ...

3B Staffing LLC

Senior Software Engineer

Fort Collins, CO · On-site

$121K - $159K/yr

Senior Software Engineer / Technical Lead Location: Fort Collins / Loveland / Longmont, CO (Hybrid) Duration: Contract GC, USC Video Interview TypeScript, GraphQL, AWS Lambda (serverless), strong ...

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO.Summary:

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO. Summary:

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO. Summary:

MGMA-ACMPE

Senior Software Engineer

Englewood, CO · On-site

$115K - $140K/yr

The Senior Software Developer is responsible for developing dynamic services for the Medical Group Management Association (MGMA) members and internal staff by using Full-stack C# .Net building n-tier ...

New

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

Senior Software Engineer Staff, Level 5OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

ApplyMint

Senior Software Engineer

Denver, CO · On-site

$120 - $190/hr

Senior Software Engineer Location: San Francisco, CA or Denver, CO (Hybrid, 3 days/week). Salary: $120k-$190k + equity. Full-time. Offstream is building the infrastructure for the environmental ...

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO.Summary:

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Freelance Senior Software Developer information

What are the key skills and qualifications needed to thrive as a freelance senior software developer?

To thrive as a Freelance Senior Software Developer, you need advanced programming expertise, a robust portfolio, and significant experience with full software development lifecycles. Strong command of frameworks, version control (like Git), cloud platforms, and potentially certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer are highly valuable. Exceptional communication, time management, and problem-solving abilities help you effectively collaborate with clients and manage multiple projects independently. These skills ensure you deliver high-quality, timely solutions while building a strong professional reputation in a competitive freelance market.

How do freelance senior software developers typically manage client expectations and project timelines?

Freelance Senior Software Developers often juggle multiple clients and projects, which requires clear communication and proactive expectation management. They usually begin by setting detailed project scopes, timelines, and deliverables with clients, then provide regular updates and adjust schedules as needed to accommodate changes or unforeseen challenges. Strong time management skills and transparent reporting help ensure that projects stay on track and that clients remain informed and satisfied throughout the development process.

What is the difference between Freelance Senior Software Developer vs Freelance Software Engineer?

AspectFreelance Senior Software DeveloperFreelance Software Engineer
CredentialsTypically requires extensive experience, advanced coding skills, and sometimes certifications like Microsoft or AWSRequires solid coding skills and experience, often with relevant certifications but generally less senior-level expertise
Work EnvironmentWorks independently or with clients directly, often on complex projects requiring leadershipWorks independently or with teams, focusing on software development tasks across various projects
Industry UsageCommonly used in consulting, freelance platforms, and project-based work requiring senior expertiseWidely used in freelance and contract roles across tech industries for development tasks

The main difference lies in experience level and project complexity. Freelance Senior Software Developers typically handle more complex projects and provide technical leadership, while Freelance Software Engineers focus on coding and development tasks across a range of project types.

What does a freelance senior software developer do?

A Freelance Senior Software Developer designs, develops, and maintains complex software systems for clients or companies on a contract basis. They often work independently, managing multiple projects, collaborating with stakeholders, and ensuring the delivery of high-quality code. Their role may include mentoring junior developers, making architectural decisions, and troubleshooting technical issues. Freelancers have the flexibility to choose their clients and projects, and they are responsible for managing their own workload, deadlines, and business operations.
Freelance Senior Software Developer jobs near you

Senior Software Engineer

247Hire

Englewood, CO • On-site

$110 - $140/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago

New

Job description

Our client in Englewood Colorado is looking for a Senior Software Engineer on a direct hire basis. This is an opportunity to join a collaborative, fast-paced development team where your work will directly influence the evolution of a cutting-edge technology platform. If you enjoy solving complex technical challenges, working with modern Microsoft technologies, and contributing to a product-driven environment, this is an excellent opportunity to make an impact.

Company Profile
  • Transportation Technology
  • Great team with a great company culture
  • Weekly team lunches
Senior Software Engineer Role
  • The Software Engineer will play a key role in designing, developing, and supporting enterprise-level applications within a collaborative Agile development environment.
  • Design, develop, and maintain scalable full-stack applications using modern Microsoft technologies
  • Build intuitive, user-friendly interfaces from product concepts, wireframes, or minimal design direction
  • Design and integrate complex software solutions across web, API, and mobile platforms
  • Support applications spanning web portals, APIs, and mobile technologies
  • Collaborate closely with Product Owners, Quality Assurance Engineers, and fellow developers throughout the software development lifecycle
  • Participate in Agile ceremonies including sprint planning, stand-ups, retrospectives, and code reviews
  • Contribute to architecture discussions, peer mentoring, and continuous process improvements
  • Research and implement emerging technologies that improve scalability, performance, and user experience
Senior Software Engineer Background Profile
  • 4+ years of professional software development experience using C#
  • 4+ years of experience developing with .NET Core 3.x or newer
  • 4+ years of experience with Entity Framework Core, SQL databases, HTML, and CSS
  • Experience with Blazor or another modern web application framework
  • Ability to design, implement, and integrate enterprise-level software solutions
  • Experience working with Azure DevOps or similar development platforms
  • Experience working within Agile development environments utilizing Git source control
  • Strong written and verbal communication skills
  • Self-motivated, detail-oriented, and deadline-driven
  • Comfortable participating in code reviews, technical discussions, and collaborative problem-solving
  • Passion for learning new technologies and continuously improving development practices
Features and Benefits
  • Medical
  • Dental Vision
  • PTO
  • 401k with match
  • Gym Membership
Senior Software Engineer Background Profile
  • 4+ years of professional software development experience using C#
  • 4+ years of experience developing with .NET Core 3.x or newer
  • 4+ years of experience with Entity Framework Core, SQL databases, HTML, and CSS
  • Experience with Blazor or another modern web application framework
  • Ability to design, implement, and integrate enterprise-level software solutions
  • Experience working with Azure DevOps or similar development platforms
  • Experience working within Agile development environments utilizing Git source control
  • Strong written and verbal communication skills
  • Self-motivated, detail-oriented, and deadline-driven
  • Comfortable participating in code reviews, technical discussions, and collaborative problem-solving
  • Passion for learning new technologies and continuously improving development practices
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About 247Hire

Sourced by ZipRecruiter

Industry

Recruiting and staffing services

Company size

201 - 500 Employees

Headquarters location

Oak Brook, IL, US

Year founded

2002

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