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Mid Backend Developer Jobs in Denver, CO (NOW HIRING)

Xe Careers

Full Stack Software Engineer (Mid)

Denver, CO · On-site

$83K - $124K/yr

About This Role We're hiring a mid-level full-stack engineer who likes owning real problems end-to ... Strong backend proficiency in C# / .NET preferred; other OOP languages welcome (Java, Kotlin, Go ...

True Anomaly

Senior Software Engineer, Front End

Denver, CO · On-site

$126K - $166K/yr

... mid-level engineers through pairing, design discussions, and constructive code review that teaches, not just approves * Collaborate as a technical partner with product, design, backend engineers, QA, ...

Yes Energy

Fullstack Engineer

Boulder, CO · Hybrid

$95K - $115K/yr

Our unique and innovative view of the data informs real-time trading decisions and mid-to-long-term ... Design, build, and maintain back-end services using C#/.NET. * Develop APIs supporting bid ...

Yes Energy

Fullstack Engineer

Boulder, CO · Hybrid

$95K - $115K/yr

Our unique and innovative view of the data informs real-time trading decisions and mid-to-long-term ... Design, build, and maintain back-end services using C#/.NET. * Develop APIs supporting bid ...

Yes Energy

Fullstack Engineer

Boulder, CO · On-site

$95K - $115K/yr

Our unique and innovative view of the data informs real-time trading decisions and mid-to-long-term ... Design, build, and maintain back-end services using C#/.NET. * Develop APIs supporting bid ...

Yes Energy

Senior Fullstack Engineer

Boulder, CO · Hybrid

$135K - $160K/yr

Our unique and innovative view of the data informs real-time trading decisions and mid-to-long-term ... The majority of development is back-end focused, with front-end work serving as a secondary ...

Yes Energy

Senior Fullstack Engineer

Boulder, CO · On-site

$135K - $160K/yr

Our unique and innovative view of the data informs real-time trading decisions and mid-to-long-term ... The majority of development is back-end focused, with front-end work serving as a secondary ...

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Showing results 21-40

All JobsMid Backend Developer JobsMid Backend Developer Jobs in Denver, CO

Mid Backend Developer information

See Denver, CO salary details

$12

$59

$86

How much do mid backend developer jobs pay per hour?

As of Aug 9, 2026, the average hourly pay for mid backend developer in Denver, CO is $59.42, according to ZipRecruiter salary data. Most workers in this role earn between $48.75 and $70.29 per hour, depending on experience, location, and employer.

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

AspectMid Backend DeveloperBackend Developer
Experience LevelMid-level (2-4 years)Entry to Mid-level (0-3 years)
Skills & CertificationsProficiency in server-side languages, databases, APIs; often familiar with cloud servicesBasic to intermediate backend skills, some familiarity with similar technologies
Work EnvironmentCollaborates on complex projects, often in teams with frontend and DevOpsWorks on foundational backend tasks, may be part of smaller teams or solo projects
Industry UsageCommon in tech companies, startups, and enterprise environmentsWidespread across various industries, including tech, e-commerce, and finance

The Mid Backend Developer typically has more experience and handles more complex backend systems compared to a Backend Developer. While both roles require similar foundational skills, the mid-level position involves greater responsibility, problem-solving, and collaboration on larger projects.

What is a mid backend developer?

Mid Backend Developers are software engineers with intermediate experience who focus on building, maintaining, and optimizing the server-side components of web or mobile applications. They typically work with databases, APIs, server logic, and integration with front-end systems. Mid-level developers have a solid understanding of programming languages such as Java, Python, Node.js, or Ruby and are expected to contribute to code reviews, troubleshoot issues, and implement new features under minimal supervision. Their role bridges the gap between junior developers, who need more guidance, and senior developers, who handle architecture and high-level decisions.

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

To excel as a Mid Backend Developer, you need strong programming skills in languages such as Java, Python, or Node.js, along with a solid understanding of databases and API design, typically backed by a bachelor’s degree in computer science or related field. Familiarity with tools and systems like Git, RESTful APIs, Docker, and cloud platforms (e.g., AWS, Azure) is usually required. Problem-solving abilities, effective communication, and teamwork are crucial soft skills that set high performers apart. These competencies ensure efficient development, maintainability, and seamless integration of backend services in dynamic technical environments.

What are some typical challenges a mid backend developer might face when integrating new technologies into existing systems?

As a Mid Backend Developer, one common challenge is ensuring that new technologies or frameworks integrate smoothly with legacy systems without disrupting current operations. This often involves understanding both the old and new codebases, data migration, and dealing with compatibility issues. Collaborating closely with frontend developers, DevOps, and QA teams is essential to address potential bottlenecks and maintain performance. Additionally, thorough testing and documentation are crucial to ensure long-term stability and maintainability.
What are popular job titles related to Mid Backend Developer jobs in Denver, CO? For Mid Backend Developer jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Mid Backend Developer jobs in Denver, CO look for? The top searched job categories for Mid Backend Developer jobs in Denver, CO are:
Mid Backend Developer jobs near you

Mid-Level Software Engineer

Stryker Corporation

Englewood, CO • On-site

$95 - $135/hr

Other

Posted 4 days ago

Job description

Are you ready to build software that makes a real‑world impact? Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical national security missions while working alongside some of the industry’s brightest engineers, architects, and mission experts.

As a Full Stack Engineer, you’ll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud‑native solutions. Working within a collaborative Agile environment, you’ll help deliver high-quality capabilities through iterative development, continuous integration, and DevSecOps best practices.

In this role, you will work on cross-functional development teams to build and maintain microservices, APIs, and web-based applications that support GEOINT data access, visualization, and dissemination. You will contribute to the full software lifecycle and will have the opportunity to work directly with users, cloud engineers, and mission stakeholders.

If you’re passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference.

Locations

Position may be performed in the following locations below. Please note Gaithersburg, MD is the program’s primary work location.

  • Gaithersburg, MD
  • Alexandria, VA
  • Chantilly, VA
  • Englewood, CO
  • St. Louis, MO
  • Tucson, AZ
Clearance Level Required

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.

Primary Responsibilities
  • Design, develop, test, and deploy software solutions that support our customer’s GEOINT mission.
  • Participate in agile development sprints and contribute to daily stand‑ups, sprint planning, and retrospectives.
  • Build and maintain secure, containerized applications using technologies such as Docker, Kubernetes, and AWS.
  • Develop RESTful APIs and user‑facing interfaces with modern tools (e.g., React, Node.js, Flask or Sprint Boot).
  • Collaborate with mission users and product managers to refine requirements and improve user experience.
  • Support DevSecOps pipelines and ensure code meets security and accreditation standards.
  • Participate in code reviews and mentor junior developers as needed.
  • Resolve various tasks as prioritized by the team product owner.
Basic Qualifications
  • US citizenship is required per contract.
  • Bachelor’s degree in Computer Science, Software Engineering, or related field and 4‑8 years of prior relevant experience or Master’s with 2‑6 years of prior relevant experience.
  • Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
  • Proficiency with the following technologies:
    • Web: HTML, CSS, JSON, Ajax, and REST APIs
    • Object‑oriented Programming: Python, Java, or JavaScript
    • Advanced Programming: Go
    • Front‑end and Back‑end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte
    • Cloud Development: AWS, Azure, or similar cloud platforms
    • Relational Database: MySQL, PostgreSQL, or SQL Server
    • Operating System: Windows, Linux
    • Version Control System: Git
  • Deep understanding of modern software design patterns and coding standards.
  • Experience architecting, developing, and delivering complex software systems into production.
  • Experience with CI/CD tools (GitLab CI, Jenkins) and agile collaboration tools (JIRA, Confluence).
  • Familiarity with cloud environments such as AWS (C2S or GovCloud) and containerization technologies (Docker, Kubernetes).
  • Understanding of secure coding practices and government system accreditation processes (e.g., RMF, STIGs).
  • Strong, self‑motivated desire to learn new programming languages, tools, frameworks, and techniques.
Preferred Qualifications
  • Frontend Web Development: UI/UX
  • NoSQL Database: OpenSearch/Elasticsearch.
  • Cloud Exposure:
    • Multi‑cloud architectures: AWS, IBM, Google, Azure, and Oracle.
    • Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS.
  • Experience working on a customer contract or in the Intelligence Community (IC).
  • Familiarity with geospatial tools and standards:
    • GeoServer
    • PostGIS
    • OGC APIs
    • ESRI ArcGIS
  • Exposure to Infrastructure‑as‑Code (Terraform, Ansible)
  • Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar.
Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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