Senior Software Engineer Jobs in Highlands Ranch, CO

Job#: 3047185
Job Description:
Sr. Software Engineer
Location: Greenwood Village, Colorado (Hybrid)
Role Overview
We are seeking a Senior Software Engineer to drive the development of mission-critical mobile platform services, from device lifecycle management and provisioning to mobile account systems and carrier integrations. This role is for a senior-level engineer with previous lead experience or aspirations to become a lead. The position will evolve into a lead role over time. You will work in an agile team environment on the backend components for mobile device software.
Key Responsibilities

• Lead and motivate a high-performing engineering team through constantly shifting priorities.
• Design, build, and maintain backend services supporting mobile device provisioning, activation, account management, and carrier integrations.
• Develop RESTful APIs using both Java and NodeJS, with a future focus on migrating APIs from Java to NodeJS.
• Write clean, concise code that is stable, extensible, and appropriately tested.
• Provide detailed technical designs for mobile platform solutions, including API contracts and service architectures.
• Diagnose complex issues across distributed mobile services, evaluate options, and execute the best resolution.
• Provide technical leadership on integration activities with carrier partners and internal mobile systems.
• Implement new requirements within an Agile delivery methodology while following established architectural principles.
• Evaluate and integrate AI/ML capabilities into platform features and engineering workflows.
• Champion the adoption of AI-powered development tools and practices across the team.

Required Qualifications
Education: Bachelor's degree in Computer Science, Engineering, or a related field is required. A Master's degree is preferred.
Experience:

• 10+ years of overall software development experience.
• 8+ years of Java-specific development.
• 5+ years of development team leadership experience.
• 5+ years with Spring Boot.
• 5+ years of web services development (REST, JSON, XML).
• 5+ years with SQL databases (MySQL, Postgres).
• 3+ years of cloud development, specifically with AWS and Terraform.
• 2+ years with JPA/Hibernate.
• 1+ years of experience with AI-powered development tools or AI/ML integration.

Technical Skills:

• Extensive knowledge of Java and Spring Boot for building backend mobile platform services.
• Experience with NodeJS for developing RESTful APIs.
• Expert-level experience with Angular 2+ or ReactJS, HTML, TypeScript, JavaScript, and CSS.
• Strong experience developing and consuming REST APIs.
• Knowledge of SQL databases (MySQL, Postgres) and NoSQL databases (DynamoDB, MongoDB).
• Experience with Kafka for event-driven workflows.
• Proficiency in cloud development (AWS CloudFormation/Terraform, EC2, S3, IAM, RDS, Lambda).
• Familiarity with code management tools (Git, GitLab, Maven, JIRA).
• Working experience in Agile software development with CI/CD practices.

Preferred Qualifications

• Experience migrating services from Java to NodeJS.
• Experience with mobile carrier systems, device provisioning APIs, or telecom/MVNO integrations.
• Familiarity with mobile device lifecycle management concepts (activation, provisioning, SIM/eSIM management).
• Experience leveraging AI-powered development tools (e.g., GitHub Copilot, Amazon Q Developer, or similar).
• Familiarity with integrating AI/ML services and APIs into mobile platform applications (e.g., AWS Bedrock, SageMaker, OpenAI).

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.
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