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Senior Software Engineer Startup Jobs in Colorado

Sr. Software Engineer

Colorado Springs, CO

$120K - $159K/yr

The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software ...

Sr. Software Engineer

Colorado Springs, CO · On-site

$120K - $159K/yr

The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software ...

Senior Software Engineer

Boulder, CO · On-site

$140K - $185K/yr

Atom Computing is looking for a Senior Software Engineer to build the software platform that ... Experience working at both a large technology company and a startup. Atom Computing provides a wide ...

Senior Software Engineer

Boulder, CO · On-site

$140K - $185K/yr

Atom Computing is looking for a Senior Software Engineer to build the software platform that ... Experience working at both a large technology company and a startup. Atom Computing provides a wide ...

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:

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:

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:

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.

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.

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.

We're hiring a senior engineer who enjoys solving hard technical problems and wants meaningful ... Startup Adaptability We are a mid-stage startup. Priorities evolve. Documentation is not always ...

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:

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:

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:

Sr Software Engineer

Boulder, CO · On-site

$106K - $145K/yr

At Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused ... We are seeking a Senior Software Engineer to join the team building the control system software for ...

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Showing results 1-20

Senior Software Engineer Startup information

See Colorado salary details

$79.4K

$150.7K

$201.9K

How much do senior software engineer startup jobs pay per year?

As of Jul 17, 2026, the average yearly pay for senior software engineer startup in Colorado is $150,674.00, according to ZipRecruiter salary data. Most workers in this role earn between $128,800.00 and $169,800.00 per year, depending on experience, location, and employer.

What are some unique challenges Senior Software Engineers face when working at a startup compared to a larger company?

Senior Software Engineers at startups often navigate a fast-paced, rapidly changing environment where priorities can shift quickly. Unlike at larger organizations with established processes and specialized teams, startup engineers may wear multiple hats, handling everything from architecture decisions to hands-on coding and even DevOps tasks. This role typically requires a high degree of autonomy and the ability to make impactful technical decisions with limited resources. The collaborative nature means frequent interaction with product managers, designers, and often even company leadership, creating opportunities for broad influence but also demanding strong communication and adaptability.

What engineers make $300,000 a year?

Senior software engineers, especially those with extensive experience, specialized skills, and working in high-demand industries or companies, can earn $300,000 or more annually. Compensation often includes base salary, bonuses, and stock options, particularly in tech startups or large technology firms in competitive markets.

Are senior software engineers still in demand?

Senior software engineers remain in high demand due to ongoing digital transformation and the need for experienced developers skilled in programming languages, cloud platforms, and software architecture. Companies across various industries seek senior engineers to lead projects, improve systems, and mentor junior staff, making this a stable and valuable role in the tech industry.

What are the key skills and qualifications needed to thrive as a Senior Software Engineer at a startup, and why are they important?

To thrive as a Senior Software Engineer at a startup, you need advanced programming abilities, architectural design experience, and a solid understanding of software development lifecycles, typically backed by a bachelor's degree in computer science or a related field. Familiarity with modern frameworks, cloud platforms (like AWS or Azure), version control systems (such as Git), and agile methodologies is essential, with certifications in relevant technologies being advantageous. Strong problem-solving, adaptability, and effective communication skills help you navigate the dynamic startup environment and mentor junior team members. These skills are crucial to rapidly building scalable solutions, driving innovation, and supporting business growth in a fast-paced and often ambiguous setting.

What is the difference between Senior Software Engineer Startup vs Software Engineer Startup?

AspectSenior Software Engineer StartupSoftware Engineer Startup
Required CredentialsBachelor's/Master's in CS or related field, 3+ years experienceBachelor's in CS or related field, 0-2 years experience
Work EnvironmentFast-paced startup, leadership responsibilities, mentorshipCollaborative team, learning-focused, entry-level to mid-level tasks
Employer & Industry UsageTech startups, scale-ups, innovative projectsEarly-stage startups, product development teams
Common Search & ComparisonHigher responsibility, technical expertise, leadershipLearning opportunities, foundational skills, growth potential

The main difference between a Senior Software Engineer Startup and a Software Engineer Startup lies in experience, responsibilities, and leadership. Senior Software Engineers typically have more experience, take on mentorship roles, and handle complex projects, while Software Engineers are often in entry to mid-level positions focused on skill development and supporting team tasks.

What does a Senior Software Engineer do at a startup?

A Senior Software Engineer at a startup is responsible for designing, developing, and maintaining the core software products or services. They often take on a broad range of tasks, including coding, code reviews, system architecture, and mentoring junior team members. In a startup environment, they may also contribute to product decisions, help set technical direction, and quickly adapt to changing priorities. Their role is critical in building scalable, reliable solutions while fostering innovation and collaboration within a small, fast-paced team.

Can you make $500,000 as a software engineer?

Senior software engineers at startups can potentially earn $500,000 annually through a combination of base salary, bonuses, and equity, especially in high-growth companies or with significant stock options. Achieving this level often requires extensive experience, specialized skills, and working in competitive markets or successful startups with lucrative equity packages.

What engineer makes $500,000 a year?

Senior Software Engineers at successful startups or large tech companies can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. High compensation typically requires extensive experience, specialized skills, and equity participation in the company.
What are the most commonly searched types of Software Engineer Startup jobs in Colorado? The most popular types of Software Engineer Startup jobs in Colorado are:
What job categories do people searching Senior Software Engineer Startup jobs in Colorado look for? The top searched job categories for Senior Software Engineer Startup jobs in Colorado are:
What cities in Colorado are hiring for Senior Software Engineer Startup jobs? Cities in Colorado with the most Senior Software Engineer Startup job openings:
Sr. Software Engineer

Sr. Software Engineer

Allegion

Colorado Springs, CO

$120K - $159K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 2 days ago


Allegion rating

8.0

Company rating: 8.0 out of 10

Based on 44 frontline employees who took The Breakroom Quiz

131st of 528 rated manufacturers


Job description

Creating Peace of Mind by Pioneering Safety and Security

At Allegion, we help keep the people you know and love safe and secure where they live, work and visit. With more than 30 brands, 12,000+ employees globally and products sold in 130 countries, we specialize in security around the doorway and beyond.Additionally, in 2024 we were awarded the Gallup Exceptional Workplace Award, which recognizes the most engaged workplace cultures in the world.

Sr. Software Engineer

The Sr. Software Engineer on the Digital Manufacturing Team is responsible for defining the tools, processes, and knowledge to enhance the effectiveness of Allegion's digital product development teams. This position will approach all aspects of software delivery by identifying, designing, and delivering innovative solutions. The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software Engineer will be responsible for fostering the quality design and development, cross team alignment, and the maturity of technical solutions and the SDLC. Because of the close interaction with business customers, the Sr. Software Engineer role requires an understanding of requirements analysis, cross team collaboration, and developer support.

Qualified candidates must be legally authorized to be employed in the United States. The company does not intend to provide sponsorship for employment visa status (e.g., H-1B, TN, etc.) for this employment position.

Hybrid:

At Allegion, we are driven by a bold vision: redefining safety while empowering our employees to thrive. When you join our team, you become part of a culture that values innovation, purpose, and excellence. This role offers the benefits of our dynamic hybrid work model-combining in-person collaboration for meaningful moments with the flexibility of remote work. Since hybrid arrangements can vary based on the needs of the individual, team and business, your talent acquisition partner will provide specific hybrid details about this role.

We are committed to fostering a healthy work-life balance and building meaningful connections, ensuring you have the tools, resources, and support needed to excel in any environment. Together, we'll unlock your potential and create a lasting impact.

While this is the current structure and we currently have no plans to change, we reserve the right to make changes to the hybrid schedule as needed at the Company's discretion.

What You Will Do:

  • Mentoring other Software Engineers
  • Collaborative design and maintenance of standards for development, solution and software architecture
  • Advocate for the implementation and utilization of best practices across the group
  • Advise product teams on solution and data architectures with a mindset balancing delivery of business objectives with the non-functional requirements of the overall architecture
  • Collaborative design of interactions between applications to ensure reliable, fault-tolerant integrations using standard methodologies across the group
  • Identify technical and security risk in projects and products and develop strategies to alleviate it
  • Communicate technical architecture direction and how it relates to business objectives to all levels of the group through documentation, training, and awareness.
  • Deliver technical solutions for projects leveraging agile project management methodologies
  • Develop specified application components or enhancements, as needed
  • Advocate for security and data privacy of all applications and data storage
  • Help to clarify, identify, and ensure hand off of requirements and project issues and escalate appropriately where required
  • Support innovation through creative application of tools and methods to software and infrastructure architecture, design, and development
  • Analyze existing business processes and software for potential design improvements
  • Work with the IT team, business functions, external vendors, and contract resources to deliver project requirements in a timely and cost-effective manner
  • Strengthen the relationship between the product, design, security, DevOps, infrastructure, legal and development teams
  • 15% travel required

What You Need to Succeed:

  • Current experience with a modern general purpose object oriented language such as C# or Java and/or experience in a modern JavaScript framework such as Angular or React
  • A passion for technology and willingness to explore and adopt new technologies for practical business purposes
  • A positive attitude working with an agile team to develop innovative technical solutions built on a secure foundation that enable business growth, more reliable customer interactions, and improved customer satisfaction
  • Be apt at understanding new business domains and be creative and thoughtful about applying technology to improve processes and issues
  • Ability to quickly build proof-of-concept solutions with an eye to how they could be implemented at scale
  • Mentor and share knowledge across the Allegion IT Teams.
  • Verbal and written communication, with various team members in roles that are both technical and non-technical particularly to give direction or present business value of various initiatives to teams
  • Proactively work to coordinate efforts with employees across the group
  • Ability to collaborate with global teams
  • Ability to identify issues, generate solutions, and choose appropriate alternatives
  • Demonstrated knowledge in software and solution architecture
  • Experience designing applications that collectively integrate custom software, cloud architectures and commercial off-the-self software, and possess awareness of the services available and benefits or trade-offs of each
  • Experience working in a fast-paced, agile environment while providing consistent application lifecycle management
  • Demonstrated knowledge in software development methodologies and best practices, application lifecycle management, and development and automation tooling
  • Be self-motivated with good time management skills
  • Bachelor's degree in computer science or information technology related discipline, or equivalent experience
  • 5+ years of experience in the design, development, implementation, and integration of Enterprise applications

Why Work for Us?

Allegion is a Great Place to Grow your Career if:

  • You're seeking a rewarding opportunity that allows you to truly help others. With thousands of employees and customers around the world, there's plenty of room to make an impact. As our values state, "this is your business, run with it".
  • You're looking for a company that will invest in your professional development. As we grow, we want you to grow with us.
  • You want a culture that promotes work-life balance. Our employees enjoy generous paid time off, because at Allegion we recognize that you have a full life outside of work!
  • You want to work for an award-winning company that invests in its people. Allegion is proud to be a recipient of the Gallup Exceptional Workplace Award for the second year in a row, recognizing our commitment to employee engagement, strengths-based development, and unlocking human potential.

What You'll Get from Us:

  • Health, dental and vision insurance coverage, helping you "be safe, be healthy"
  • Unlimited Paid Time Off
  • A commitment to your future with a 401K plan, which currently offers a 6% company match and no vesting period
  • Health Savings Accounts - Tax-advantaged savings account used for healthcare expenses
  • Flexible Spending Accounts - Tax-advantaged spending accounts for healthcare and/or dependent daycare expenses
  • Disability Insurance -Short-Term and Long-Term coverage, paid for by Allegion, provides income replacement for illness or injury
  • Life Insurance - Term life coverage with the option to purchase supplemental coverage
  • Tuition Reimbursement
  • Voluntary Wellness Program - Simply complete wellness activities and earn up to $2,000 in rewards
  • Employee Discounts through Perks at Work
  • Community involvement and opportunities to give back so you can "serve others, not yourself"
  • Opportunities to leverage your unique strengths through Clifton Strengths assessment & coaching

Compensation: This range is provided by Allegion. Your actual pay will be based on your skills and experience.

  • The expected Base Salary Range: $115,000.00 - 135,000.00. The actual compensation will be determined based on experience and other factors permitted by law.
  • Bonus Eligible: Yes

Apply Today!

Join our team of experts today and help us make tomorrow's world a safer place!

Not sure if your experience perfectly aligns with the role?Studies have shown that some people are less likely to apply to jobs unless they meet every single qualification and every single preferred qualification of a job posting. At Allegion, we are dedicated to building a diverse, inclusive, and authentic workplace. So, if you're excited about this role but your past experience doesn't align perfectly with every item in the job description, we encourage you to apply anyway. You may be just the right candidate for this role.

We Celebrate Who We Are!

Allegion is committed to building and maintaining a diverse and inclusive workplace. Together, we embrace all differences and similarities among colleagues, as well as the differences and similarities within the relationships that we foster with customers, suppliers and the communities where we live and work. Whatever your background, experience, race, color, national origin, religion, age, gender, gender identity, disability status, sexual orientation, protected veteran status, or any other characteristic protected by law, we will make sure that you have every opportunity to impress us in your application and the opportunity to give your best at work, not because we're required to, but because it's the right thing to do. We are also committed to providing accommodations for persons with disabilities. If for any reason you cannot apply through our career site and require an accommodation or assistance, please contact our Talent Acquisition Team.

Allegion plc, 2023 | Block D, Iveagh Court, Harcourt Road, Dublin 2, Co. Dublin, Ireland

REGISTERED IN IRELAND WITH LIMITED LIABILITY REGISTERED NUMBER 527370

Allegion is an equal opportunity and affirmative action employer

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