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Senior Software Development Engineer Jobs in Colorado

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is ... Ability to work with multi-disciplined teams -Experience with full software life cycle development ...

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is ... Ability to work with multi-disciplined teams -Experience with full software life cycle development ...

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is ... Ability to work with multi-disciplined teams -Experience with full software life cycle development ...

As a Senior Software Engineer, you will play a critical role in designing, developing, and ... Software Development: Design, develop, and maintain software applications using C#, .NET Core, and ...

Software Development Engineer

Boulder, CO · On-site

$145K - $195K/yr

THE OPPORTUNITY We're looking for a backend focused Sr. Software Engineer to join our Boulder-based ... This role blends distributed systems engineering and cloud-native development in a high-impact ...

Senior, Software Engineer - SDET

Denver, CO · On-site

$113K - $147K/yr

About the Role We are looking for a driven Software Development Engineer in Test (SDET) to support a backend-heavy, microservices-based architecture built primarily in TypeScript. This role requires ...

Senior Software Engineer

Englewood, CO · On-site

$104K - $163K/yr

CONMED is seeking a Senior Software Engineer to join the Advanced Surgical R&D team based in Denver, CO. This role will partner closely with cross functional teams to lead the development of secure ...

... software engineering experience delivering full stack features at production scale. * 5+ years of experience in JVM-based backend development (Java or Kotlin), with proficiency in the Spring Boot ...

... software engineering experience delivering full stack features at production scale. * 5+ years of experience in JVM-based backend development (Java or Kotlin), with proficiency in the Spring Boot ...

Software Development Lifecycle * Strong Troubleshooting skills Knowledge & Skills Agile Methodology Amazon Web Services Application Programming Interface (API) Automation C++ (Programming Language ...

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Senior Software Development Engineer information

See Colorado salary details

$79.4K

$150.7K

$201.9K

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

As of Jun 26, 2026, the average yearly pay for senior software development engineer 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 the key skills and qualifications needed to thrive as a Senior Software Development Engineer, and why are they important?

To thrive as a Senior Software Development Engineer, you need deep expertise in software engineering principles, advanced programming skills in languages such as Java, Python, or C++, and a bachelor's or higher degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms such as AWS or Azure, and experience with CI/CD pipelines are typically required, and certifications in these technologies can be advantageous. Strong problem-solving, leadership, and communication skills help you mentor junior engineers and collaborate effectively across teams. These competencies are critical for delivering robust solutions, driving technical innovation, and ensuring project success in complex engineering environments.

What are some common challenges Senior Software Development Engineers face when leading cross-functional projects?

Senior Software Development Engineers often encounter challenges such as aligning priorities across diverse teams, managing technical debt while delivering new features, and ensuring effective communication among stakeholders. Balancing hands-on coding with mentorship responsibilities and architectural decision-making can also be demanding. Success in this role typically requires strong interpersonal skills, proactive problem-solving, and the ability to adapt to shifting project requirements while maintaining high code quality.

Can I make 200k a year as a software engineer?

Senior Software Development Engineers in many regions can earn $200,000 or more annually, especially with experience, specialized skills, and working at large tech companies or in high-cost-of-living areas. Compensation often includes base salary, bonuses, and stock options, and reaching this level typically requires advanced expertise in areas like cloud computing, machine learning, or leadership roles.

What are Senior Software Development Engineers?

Senior Software Development Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior developers, and ensure software quality and best practices within a team. Their responsibilities include writing code, conducting code reviews, collaborating with cross-functional teams, and solving challenging technical problems. Senior Software Development Engineers typically have several years of industry experience and a deep understanding of software engineering principles.

Is L5 at Google Senior?

L5 at Google typically corresponds to a Software Engineer II or Senior Software Engineer level, which is considered an early to mid-career position rather than a senior role. Senior Software Development Engineers at Google usually start at L6 or higher, requiring extensive experience, technical leadership, and project management skills.

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

AspectSenior Software Development EngineerSoftware Development Engineer
ExperienceTypically 5+ years, with leadership responsibilitiesEntry to mid-level, 1-3 years of experience
ResponsibilitiesDesigning complex systems, mentoring juniors, leading projectsImplementing features, fixing bugs, collaborating on code
Skills & CertificationsProficiency in multiple programming languages, system design, often with certificationsStrong coding skills, foundational knowledge, less emphasis on certifications
Work EnvironmentOften leads teams, involved in architecture decisionsFocused on individual contributions, team collaboration

The main difference between a Senior Software Development Engineer and a Software Development Engineer lies in experience, responsibilities, and leadership. Seniors typically lead projects and mentor others, while juniors focus on coding and task completion. Both roles are vital in software development teams, with seniors bringing more strategic input and mentorship.

What engineer makes $500,000 a year?

Senior Software Development Engineers at top tech companies or those with specialized skills in areas like machine learning, cloud computing, or cybersecurity can earn $500,000 or more annually, often including bonuses and stock options. Achieving this level typically requires extensive experience, advanced technical expertise, and a strong track record of impact within high-paying organizations.

What is L1, L2, L3, and L4 developer?

In the context of a Senior Software Development Engineer role, L1, L2, L3, and L4 typically refer to different levels of seniority or experience within a company's engineering ladder. L1 often indicates entry-level or junior engineers, while L2 and L3 represent increasing levels of experience and responsibility, with L4 usually denoting senior or lead engineers. These levels help define expectations for skills, project scope, and leadership within the development team.
What are the most commonly searched types of Software Development Engineer jobs in Colorado? The most popular types of Software Development Engineer jobs in Colorado are:
Infographic showing various Senior Software Development Engineer job openings in Colorado as of June 2026, with employment types broken down into 71% Full Time, 26% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $150,674 per year, or $72.4 per hour.
Senior Software Engineer I/II - Digital Engineering

Senior Software Engineer I/II - Digital Engineering

Rocket Lab Corporation

Littleton, CO

$122K - $161K/yr

Other

Posted 9 days ago


Rocket Lab rating

8.8

Company rating: 8.8 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

9th of 60 rated aerospace companies


Job description

SPACE SYSTEMS

At Rocket Lab, we're not just launching rockets - we're building the future of space. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.

Our Space Systems team has enabled more than 1,700 missions, ranging from interplanetary exploration, in-space manufacturing to national security and defense initiatives. The team has built spacecraft, payloads, and components for missions to the Moon and Mars, working with partners including NASA, the Space Development Agency, and the U.S. Space Force. Whether it's a single high-performance spacecraft, constellation, or the vertically integrated components that help them get to space - our world class Space Systems team is empowering some of the boldest and most ambitious space missions. 

SENIOR SOFTWARE ENGINEER I/II - DIGITAL ENGINEERING

Are you passionate about advancing aerospace technology through cutting-edge software solutions? We're looking for a driven Senior Software Engineer I/II to join our Digital Engineering team, based out of our Littleton, CO site. You will play a pivotal role in developing next-generation simulation and modeling tools that support aerospace systems, including flight software and ground software capabilities. This role offers the opportunity to work on innovative projects that enhance aerospace systems through scalable architectures, intuitive user interfaces, and robust software solutions.

You'll be part of a collaborative team, contributing to all phases of software development-from requirements definition and design to coding, testing, and deployment. Our stack includes .NET, Angular, and relational databases, with a focus on scalable architectures and RESTful APIs.

WHAT YOU'LL GET TO DO:

  • Design, develop, and maintainsimulation and modeling toolsthat support aerospace systems, including flight and ground software capabilities
  • Design and develop mission level wargaming tools encompassing space, air, and ground domains
  • Design products for analyzing laser communication constellation networks
  • Develop application software based onweb technologiesthat runs across multiple operating systems, includingWindowsandLinux
  • ApplyUI/UX best practicesto create streamlined, intuitive user interfaces for simulation and configuration tools
  • Collaborate with cross-functional teams to analyze requirements, define system architectures, and deliver high-quality solutions
  • Participate indesign reviews(e.g., PDR, CDR) and contribute to the refinement of system requirements and technical specifications
  • Conductcode reviewsto ensure adherence to company coding standards and best practices
  • Optimize software performance and scalability for large-scale simulations and data processing

(Please note: This position can be hired at the Senior Software Engineer I or Senior Software Engineer II level.)

QUALIFICATIONS YOU'LL BRING AS SENIOR SOFTWARE ENGINEER I:

  • Bachelor's degreein Computer Science, Computer Engineering, or a related technical discipline
  • 5+ years of experiencein software development, with a focus on simulation, modeling, or aerospace systems
  • Proficiency inC#/.NETandAngular(or similar frontend frameworks like React or Vue)
  • Experience withTypeScript/JavaScriptand building RESTful APIs
  • Solid grasp ofobject-oriented programmingprinciples and design patterns
  • U.S citizenship is required, due to program requirements

QUALIFICATIONS YOU'LL BRING AS SENIOR SOFTWARE ENGINEER II:

  • Bachelor's degreein Computer Science, Computer Engineering, or a related technical discipline
  • 8+ years of experiencein software development, with a focus on simulation, modeling, or aerospace systems
  • Proficiency inC#/.NETandAngular(or similar frontend frameworks like React or Vue)
  • Experience withTypeScript/JavaScriptand building RESTful APIs
  • Solid grasp ofobject-oriented programmingprinciples and design patterns
  • U.S citizenship is required, due to program requirements

THESE QUALIFICATIONS WOULD BE NICE TO HAVE:

  • Active Secret clearance, Top Secret clearance, or ability to obtain and maintain one
  • Master's or PhDin Computer Science, Computer Engineering, or a related technical field
  • Experience withDocker/Kubernetesfor containerization and orchestration
  • Knowledge ofnetwork programming(e.g., Sockets, WebSockets) for real-time data exchange
  • Strong understanding ofrelational databases(e.g., MySQL, SQL Server, SQLite)
  • Passion for rapid prototyping and software integration leveraging AI tools
  • Passion for UI/UX design
  • Experience with space mission analysis tools such as STK, or similar
  • Experience with modeling of physical systems
  • Familiarity withGitand modern version control workflows.
  • Experience working inAgile/Scrumenvironments and contributing to iterative development cycles
  • Advanced knowledge ofAngular NgRxor other state management libraries
  • Strong problem-solving skills and the ability to debug complex systems
  • A team-oriented mindset with excellent communication skills and a positive attitude

This position may require prolonged periods of sitting, standing, walking, computer work, and occasional exposure to moderate levels of noise, dust, and fumes in production areas.