Frontend Developer

Frontend Developer (45871) – Denver, CO | Contract

Added Feb 13, 2026

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LRS Consulting Services is seeking a Front End Developer for a contract opportunity in Denver, CO. This role offers the chance to apply your skills in support of meaningful work for one of our client partners.

LRS Consulting Services has been delivering the highest quality consultants to our clients since 1979. We've built a solid reputation for dealing with our clients and our consultants with honesty, integrity, and respect. We work hard every day to maintain that reputation.

Our client is doing a network quality assessment in real time and is seeking a Front End Developer to assist. They will do integration of existing back-end systems with new UI representation.

Requirements:

• Experience with React.js or Vue.js or Angular
• Experience with modern UI frameworks like Tailwind CSS or Bootstrap or Material UI
• Experience in Back-End Development using Python (Fast API / Flask)
• Ability to design and build REST APIs (request/response handling, validation, error handling)
• Understanding of database design and SQL queries
• Experience working with SQLite and Postgre
  
  SQL a plus
• Knowledge of UI/UX principles and building clean, user-friendly screens
• Knowledge of API integration and debugging using tools like Postman preferred
• Comfortable working in Linux / macOS environment (terminal, basic commands) preferred
• Basic understanding of networking fundamentals (IP, ports, HTTP/HTTPS) preferred
• Experience with Git/Git Hub (branching, pull requests, code reviews) a plus
• Good understanding of performance optimization for both UI and APIs
• Ability to write clean, maintainable, and reusable code
• Experience with authentication/authorization is a plus
• Knowledge of logging, monitoring, and troubleshooting is a plus
• Knowledge with CI/CD pipelines is a plus
• Android/iOS device automation knowledge is a plus
• Candidate must be able to effectively communicate in English (written & verbal)

LRS is an equal opportunity employer. Applicants for employment will receive consideration without unlawful discrimination based on race, color, religion, creed, national origin, sex, age, disability, marital status, gender identity, domestic partner status, sexual orientation, genetic information, citizenship, status or protected veteran status.

The base range for this contract position is $60.00 - $70.00 per hour, depending on experience; pay ranges are determined by role, level, and location. The range displayed on each job posting reflects the minimum and maximum target for new hires of this position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

In some cases, LRS Consulting uses generative artificial intelligence (“AI”) in support of our hiring processes. LRS takes steps to ensure the use of AI does not result in discrimination based on protected class(es). AI may be used in the hiring process solely in support of the assessment of candidate qualifications. All decisions in the hiring process are made by LRS employees.

If AI will be used in the hiring process for the position for which you are applying, you will be notified and will have the opportunity to opt out. If you have any questions, please contact us by clicking here.