Staff Software Engineer Full Stack Developer Jobs in Denver, CO

Job#: 3047760
Job Description:
Full Stack Developer
Location: Greenwood Village, Colorado (Onsite)
Role Overview
We are seeking a Full Stack Software Engineer to join a developer platform team. This team is the primary developer and customer-facing experience for API onboarding and integration. This is a hands-on engineering role where you will own features end-to-end, from API design through UI delivery, on a highly visible team that directly supports external developer adoption and API consumption.
Key Responsibilities

• Develop and support features across a customer-facing portal.
• Contribute to both front-end and back-end development.
• Build and enhance developer onboarding experiences, customer onboarding workflows, application creation capabilities, API access functionality, and integration services.
• Own and drive roadmap initiatives from design through delivery.
• Create technical designs and present solutions to engineering stakeholders.
• Take ownership of assigned work and drive projects to completion.
• Collaborate with other development staff to achieve quality and consistency.
• Participate in architecture, design, and code reviews.

Required Qualifications
Experience: 3-5+ years of professional software engineering experience. Proven ability to independently own deliverables and drive execution from design through implementation and production delivery.
Technical Skills: Front-end experience with Vue, React, or Angular. Back-end experience with Python/Django or Java, including REST API development. Cloud experience with AWS, Azure, or Google Cloud Platform. Comfortable working in AI-enabled development environments.
Soft Skills: Strong communication skills and the ability to present technical solutions. Must demonstrate ownership, accountability, and a team-first mentality. Receptive to feedback, curious, coachable, and enjoys solving challenging problems.
Preferred Qualifications

• Vue experience is preferred.
• AWS experience is preferred.
• DevOps experience.
• Experience with AI-assisted development tools.
• Experience supporting developer portals or API platform products.
• Prior experience with customer onboarding platforms.
• Experience in API product management or developer experience (DX) initiatives.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
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