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Senior Backend Developer Jobs in Colorado (NOW HIRING)

Capital Rx

Senior Backend Software Developer

Denver, CO · On-site +1

$110K - $190K/yr

Remote (For Non-Local) or Hybrid (Local to NYC area or Denver, CO) Position Summary Join our mission to transform our nation's healthcare system as a Senior Backend Software Developer. In this role ...

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Senior Backend Developer information

See Colorado salary details

$67.3K

$147K

$200.3K

How much do senior backend developer jobs pay per year?

As of Jun 15, 2026, the average yearly pay for senior backend developer in Colorado is $147,043.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,700.00 and $164,600.00 per year, depending on experience, location, and employer.

What does a Senior Backend Developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

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

L1, L2, L3, and L4 are levels used to categorize software developers, including senior backend developers, based on experience, skills, and responsibilities. L1 typically refers to entry-level, while L4 indicates senior or lead roles with greater expertise and leadership responsibilities. These levels help define job expectations, compensation, and career progression within organizations.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

What are the key skills and qualifications needed to thrive as a Senior Backend Developer, and why are they important?

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

Is backend developer still in demand?

Backend developers remain in high demand due to the ongoing need for server-side applications, APIs, and database management across industries. Skills in programming languages like Java, Python, and Node.js, along with experience in cloud platforms and frameworks, enhance employability in this field.

What engineer makes $500,000 a year?

Senior backend developers with extensive experience, specialized skills in high-demand technologies, and work at large tech companies or in executive roles can earn $500,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially in competitive markets or startups with significant funding.

What are common challenges Senior Backend Developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.

Which is the hardest field in it?

For a Senior Backend Developer, the most challenging aspects often include mastering complex system architecture, ensuring scalability and security, and staying updated with rapidly evolving technologies like cloud platforms and programming languages. Strong problem-solving skills, knowledge of databases, and experience with debugging are essential to handle these difficulties effectively.
What are the most commonly searched types of Backend Developer jobs in Colorado? The most popular types of Backend Developer jobs in Colorado are:
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What cities in Colorado are hiring for Senior Backend Developer jobs? Cities in Colorado with the most Senior Backend Developer job openings:
Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in Colorado as of June 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 60% In-person, 10% Hybrid, and 30% Remote job distribution, with an average salary of $147,043 per year, or $70.7 per hour.
Senior Back-End Software Application Developer - Clearance Desired

Senior Back-End Software Application Developer - Clearance Desired

Logistics Management Institute

Colorado Springs, CO • On-site

$112K - $199K/yr

Other

Posted 3 days ago

Job description

Overview
LMI is actively seeking a dynamic, experienced Senior Back-End Software Application Developer. This role involves working directly with U.S. government military and civilian customers and our analytic partners to translate analytic needs into responsive, high-performance software applications within LMI's Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR®. This position is on-site in Colorado Springs, CO.
LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and
mission-ready AI to federal agencies at commercial speed.
Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors-helping agencies navigate complexity and outpace change.
Responsibilities
  • Develop and maintain server-side logic by writing code that powers the application's functionality, handles user requests, and manages data.
  • Create APIs that allow different parts of the application, or different applications, to communicate with each other.
  • Design database schemas, write queries, and ensure data integrity and security.
  • Ensure the application can handle a growing number of users and data efficiently.
  • Work closely with front-end developers to integrate the back-end functionality with the user interface.
  • Implement security measures to protect sensitive data and prevent unauthorized access.
  • Participate in code reviews, debug developed code and stay current with software development trends.
  • Ensure all changes or adaptations are thoroughly and meticulously reviewed, tested, and verified to eliminate application downtime or degradation.
  • Collaborate with cross-functional teams, develop reusable code components, and ensure application accessibility.
  • Actively participate in Integrated Product Teams (IPT's) and other engineering working groups to review, assess, and mature engineering artifacts such as concept of operations (CONOPs), system architecture, system behavior, system interfaces, functional allocation, Interface Control Documents/Descriptions (ICDs), and data models.
  • Provide meeting coordination, technical expertise, and software development to assist the customer decision makers.

Qualifications
  • B.S. in Computer Science, Computer Engineering, or equivalent STEM-based degree.
  • 7+ years of experience as a Back-End Software Application Developer with a portfolio, and proficiency in modern object-oriented programming languages such as Python, Java, C++, Node.js, or Ruby.
  • Experience with both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases.
  • Familiarity with back-end frameworks like Django, Flask, Spring, or Express.js.
  • Experience with cloud platforms like AWS, Azure, or Google Cloud.
  • Experience with efficient data storage and retrieval.
  • Strong, demonstrable understanding of modern design and coding principles and practices.
  • Familiarity with version control systems (e.g., Git).
  • Knowledge of software performance optimization.
  • Strong problem-solving skills.
  • Excellent communication and teamwork abilities.

Nice to have:
  • Advanced degree in Computer Science or related field.
  • Experience with testing frameworks.
  • Knowledge of security practices.
  • Active TS/SCI.
  • Space domain experience.

Security Clearance Requirements: Candidate must be eligible to obtain a TS/SCI clearance and willingness to obtain a CI Poly, but no clearance is required to start (eligibility to obtain a clearance is required). Candidates with an active TS/SCI or TS with SCI Eligibility will be given preference.
Target salary range: $112,000 - $199,999
#LI-SH1
Applicants must meet eligibility requirements for a U.S. Government security clearance. Only US Citizens are eligible for a security clearance. For this position, LMI will only consider applicants with security clearances or applicants who are eligible for security clearances, due to the nature of the work.

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