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Senior Api Developer Jobs in Colorado (NOW HIRING)

Senior Java Developer

Denver, CO · On-site

$59 - $75.25/hr

HCL Global Systems Inc is seeking a highly skilled and experienced Senior Java Developer with a ... other API standards, such as GraphQL or SOAP. • Understanding of security best practices in ...

... API's, web services, and batch processing. No prior experience using the Qualtrics platform is necessary. We're looking for a hands-on lead, or even a senior engineer that has experience overseeing ...

Mulesoft Developer

Denver, CO · On-site

$51.75 - $68.75/hr

You collaborate effectively with architects, senior developers, analysts, client stakeholders, and ... Experience working with Anypoint MQ, API Manager, Anypoint Exchange, and CloudHub deployments.

Senior Data Engineer

Denver, CO · On-site

$108K - $147K/yr

Senior Data Engineer Denver, CO YES Communities, founded in 2008, owns and operates nearly 300 ... Engineer and maintain API integrations with third-party platforms and vendor systems * Monitor ...

Showing results 41-60

Senior Api Developer information

See Colorado salary details

$16

$64

$92

How much do senior api developer jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for senior api developer in Colorado is $64.91, according to ZipRecruiter salary data. Most workers in this role earn between $55.10 and $72.79 per hour, depending on experience, location, and employer.

What is a senior API developer?

Senior API Developers are experienced software engineers who specialize in designing, building, and maintaining Application Programming Interfaces (APIs) that allow different software systems to communicate. They often lead technical projects, mentor junior developers, and ensure APIs are secure, scalable, and well-documented. Senior API Developers typically work with a variety of programming languages and frameworks, and collaborate closely with other teams to align API solutions with business goals.

What skills and qualifications are needed to thrive as a senior API developer?

To thrive as a Senior API Developer, you need advanced programming skills (often in languages such as Java, Python, or Node.js), deep understanding of API design principles, and experience with RESTful and/or GraphQL APIs, typically supported by a relevant degree or professional experience. Familiarity with API management tools (like Postman, Swagger, or Apigee), cloud platforms (such as AWS or Azure), and knowledge of authentication protocols (OAuth, JWT) are vital. Strong problem-solving abilities, effective communication, and leadership skills help in collaborating across teams and mentoring junior developers. These competencies ensure robust, scalable API solutions that meet business needs and integrate seamlessly with other systems.

How do senior API developers typically collaborate with product managers and frontend teams during the development process?

Senior API Developers play a key role in bridging backend systems with product and frontend teams. They work closely with product managers to interpret business requirements into technical specifications for APIs. Regular collaboration with frontend developers ensures that APIs are designed for usability, performance, and scalability, often involving code reviews, feedback sessions, and iterative testing. Effective communication and proactive problem-solving are essential to align API functionality with both business objectives and user experience.

What is the difference between Senior Api Developer vs API Engineer?

AspectSenior API DeveloperAPI Engineer
Required CredentialsBachelor's in CS or related, experience in API developmentBachelor's or higher in CS, software engineering, or related field
Work EnvironmentSoftware development teams, tech companies, startupsDevelopment teams, cloud services, enterprise environments
Employer & Industry UsageTech firms, SaaS providers, e-commerceCloud providers, enterprise software, API platforms
Common Search & ComparisonOften compared for API design and development rolesFocuses on API infrastructure and deployment

While both roles involve working with APIs, a Senior API Developer primarily designs, develops, and maintains APIs, focusing on functionality and integration. An API Engineer often emphasizes the infrastructure, deployment, and scalability of APIs within larger systems. Understanding these distinctions helps employers and professionals choose the right role for their needs.

Are senior API developers in demand?

Senior API developers are in high demand due to the increasing reliance on web services and integrations across industries. They are often required to have expertise in REST, SOAP, and API security, with many organizations seeking experienced professionals to build and maintain scalable, secure APIs. The demand is expected to grow as digital transformation accelerates and companies prioritize cloud-based solutions.

How much do senior API developers make?

Senior API developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often have expertise in RESTful APIs, programming languages like Java or Python, and may hold certifications that enhance their earning potential.

What are the most commonly searched types of Api Developer jobs in Colorado?

The most popular types of Api Developer jobs in Colorado are:

What are popular job titles related to Senior Api Developer jobs in Colorado?

For Senior Api Developer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Senior Api Developer jobs in Colorado look for?

The top searched job categories for Senior Api Developer jobs in Colorado are:

Infographic showing various Senior Api Developer job openings in Colorado as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $135,015 per year, or $64.9 per hour.

Senior Java Developer

HCL Global Systems Inc

Denver, CO • On-site

$59 - $75.25/hr

Full-time

Re-posted 10 days ago


Job description

Job Summary:
HCL Global Systems Inc is seeking a highly skilled and experienced Senior Java Developer with a strong background in Client Java Runtime and modern Java technologies. The role involves designing, developing, and maintaining full-stack applications using Java technologies, collaborating with cross-functional teams, and delivering high-quality software solutions that meet customer requirements.
Responsibilities:
• Design, develop, and maintain full-stack applications using Java technologies, including J2EE, Spring, Spring Boot, and Oracle.
• Develop APIs/RESTful services to enable integration between different systems and components.
• Collaborate with cross-functional teams to analyze user requirements and translate them into technical specifications.
• Implement front-end features using Angular and modern web technologies, such as HTML5, CSS3, and JavaScript, to create responsive and user-friendly interfaces.
• Implement back-end features, including data models, business logic, and database interactions, using Java technologies and best practices.
• Debug and resolve software defects and production issues in a timely manner.
• Perform code reviews and provide constructive feedback to junior team members.
• Participate in software development life cycle activities, including requirements gathering, design, coding, testing, and deployment.
• Provide technical guidance and mentorship to junior developers, as needed.
• Continuously improve software development processes and practices to ensure efficient and effective delivery of high-quality software.
Qualifications:
Required:
• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Minimum of 5 years of professional experience in Java software development, with full-stack expertise.
• Strong proficiency in Java technologies, including J2EE, Spring, and Spring Boot.
• Experience with front-end technologies, such as Angular, HTML5, CSS3, and JavaScript.
• Solid understanding of relational databases, particularly Oracle.
• Experience in developing APIs/RESTful services using Java technologies.
• Strong analytical and problem-solving skills, with the ability to troubleshoot and resolve complex technical issues.
• Excellent communication and collaboration skills, with the ability to work effectively in a team-oriented environment.
• Proven track record of delivering high-quality software solutions on time and within budget.
• Knowledge of software development best practices, coding standards, and version control systems.
• Experience with agile software development methodologies, such as Scrum or Kanban.
• Ability to adapt to changing technologies and learn new skills quickly.
Preferred:
• Experience with performance optimization and tuning of Java applications
• Familiarity with other front-end technologies, such as React, Vue.js, or Ember.js.
• Familiarity with other API standards, such as GraphQL or SOAP.
• Understanding of security best practices in software development.
• Experience with DevOps practices, such as continuous integration, continuous delivery, and automated testing.
Company:
HCL Global Systems is a staffing and recruiting company providing consulting and business solutions. Founded in 2005, the company is headquartered in Farmington Hills, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

HCL Global Systems logo

About HCL Global Systems

Sourced by ZipRecruiter

HCL Global Systems is One of the Best IT Consulting Firm specialized in Application Development, Quality Testing, IT Courses Training, Staffing and Recruitment services. With wide range of experience, We are confident in our ability to help our Customers grow and improve their businesses. More than likely, regardless of the nature and scope of the problem, Our dedicated Team of Professionals can help you to achieve a cost effective business solution.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

Farmington Hills, MI, US

Year founded

2005