ZipRecruiter

Log In

1

Senior Backend Engineer Jobs in Colorado (NOW HIRING)

Lively

Sr. Software Engineer - Backend

Denver, CO

About the Role We are looking for a strong Backend Senior Software Engineer who wants to create deep and meaningful product engagement experiences! We have an increasing user base, and you will be ...

ClifyX

Senior Scala Backend engineer

Denver, CO · On-site

ClifyX is seeking a strong Scala backend engineer with microservices experience to join their small, agile team. The role involves developing client-facing REST APIs for IP TV functionalities and ...

Capital Rx

Senior Backend Developer - Integrations

Denver, CO · On-site

$124K - $161K/yr

Build robust backend applications in Python on AWS Lambda, API Gateway, SMS, ECS, and other cloud technologies. * Implement backend code in a serverless, cloud-native environment (Flask/AWS Lambda ...

Lively

Sr. Software Engineer - Backend

Denver, CO · On-site

$125K - $200K/yr

About the Role We are looking for a strong Backend Senior Software Engineer who wants to create deep and meaningful product engagement experiences! We have an increasing user base, and you will be ...

Leidos

Mid-Level Backend Software Engineer

Denver, CO · On-site

$87K - $157K/yr

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... high‑visibility, data‑driven application used across the organization for analytics and ...

Capital Rx

Senior Backend Software Developer

Denver, CO · On-site

$139K - $200K/yr

Hybrid 3 days (offices in NYC, Denver, CO and Charlotte, NC area) Position Summary Join our mission to transform our nation's healthcare system as a Senior Backend Software Developer. In this role ...

Leidos

Mid-Level Backend Software Engineer

Aurora, CO · On-site

$87K - $157K/yr

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... high‑visibility, data‑driven application used across the organization for analytics and ...

Leidos

Mid-Level Backend Software Engineer

Aurora, CO · On-site

$87K - $157K/yr

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... highvisibility, datadriven application used across the organization for analytics and reporting.

Leidos

Mid-Level Backend Software Engineer

Boulder, CO · On-site

$87K - $157K/yr

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... high‑visibility, data‑driven application used across the organization for analytics and ...

previous pagenext page

Showing results 21-40

All JobsBackend Engineer JobsSenior Backend Engineer JobsSenior Backend Engineer Jobs in Colorado

Senior Backend Engineer information

See Colorado salary details

$18.5K

$137.9K

$193.1K

How much do senior backend engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for senior backend engineer in Colorado is $137,895.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,200.00 and $161,800.00 per year, depending on experience, location, and employer.

What is a senior backend engineer?

Senior Backend Engineers are experienced software professionals responsible for designing, developing, and maintaining the server-side components of web applications or systems. They work with databases, APIs, and application logic to ensure robust, scalable, and efficient backend operations. Their role often involves collaborating with frontend engineers, managing system architecture, reviewing code, and mentoring junior developers. Senior Backend Engineers also play a key role in optimizing performance, ensuring security, and integrating new technologies into existing systems.

What are some common challenges senior backend engineers face when scaling backend systems, and how are they typically addressed?

Senior Backend Engineers often encounter challenges related to system scalability, such as database bottlenecks, latency issues, and maintaining system reliability under increased load. Addressing these challenges typically involves optimizing database queries, implementing caching strategies, and designing microservices architectures to distribute workloads efficiently. Collaboration with DevOps and frontend teams is also crucial to ensure seamless integration and monitoring. Proactively identifying potential scalability issues and participating in code reviews are key responsibilities in this role.

What are the key skills and qualifications needed to thrive as a senior backend engineer, and why are they important?

To thrive as a Senior Backend Engineer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), database management, and experience with scalable system architecture, typically supported by a relevant degree and several years of professional experience. Familiarity with frameworks, APIs, containerization tools (like Docker and Kubernetes), and cloud platforms (such as AWS or Azure) is essential, along with knowledge of version control systems like Git. Strong problem-solving abilities, effective communication, and mentorship skills help you collaborate across teams and guide junior developers. These skills ensure the delivery of robust, efficient, and maintainable backend systems that support business objectives and seamless user experiences.

How much does a senior backend engineer make?

A senior backend engineer's salary typically ranges from $100,000 to $160,000 annually, depending on experience, location, and company size. They often have expertise in programming languages like Java, Python, or Node.js and may receive additional compensation through bonuses or stock options.

What are the most commonly searched types of Backend Engineer jobs in Colorado?

The most popular types of Backend Engineer jobs in Colorado are:

What cities in Colorado are hiring for Senior Backend Engineer jobs?

Cities in Colorado with the most Senior Backend Engineer job openings:

Senior Backend Engineer jobs near you
Infographic showing various Senior Backend Engineer job openings in Colorado as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $137,895 per year, or $66.3 per hour.

Senior Back End Software Developer

System One

Colorado Springs, CO • On-site

$118K - $154K/yr

Other

Medical, Dental, Vision, Life, Retirement

Re-posted 5 days ago

Job description

Senior Back End Software Developer Location: Colorado Springs, Colorado Work Model: Onsite Clearance: Eligible – will be processed for Top Secret eventually If interested reach out directly to kimberly.spicer@systemone.com or text 301-252-8762 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 CONOPs, system architecture, system interfaces, data models, and ICDs.
  • Provide meeting coordination, technical expertise, and software development to assist customer decision-makers.
Requirements
  • 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.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law. #LI-KA1 #M1 Ref: #851-Rockville-S1

System One logo

About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

View All System One Jobs