MuleSoft Developer (1831)

Company: CoreSite
Location: Denver
Posted on: February 17, 2026

Job Description:

Job Description Job Description About Coresite At CoreSite, we empower a more connected future through high-performance data centers and interconnection solutions. Recognized as a trusted partner in digital transformation, our strategically located facilities and innovative services enable businesses to connect, collaborate, and grow in an ever-evolving technological landscape. Our culture is defined by operational excellence and a relentless drive for innovation. We foster a collaborative environment where every team member is valued, wins are celebrated as a team, and ownership is part of our DNA. At CoreSite, we’re not just building state-of-the-art infrastructure—we’re creating a community of forward-thinkers committed to solving complex challenges and delivering exceptional customer experiences. At CoreSite not only are we Committed to Excellence, but we also Build Connections, Own It, Do the Right Thing, Have Fun, and Win as a Team. Join us and be part of a team that is shaping the future of digital infrastructure while nurturing your professional growth and success. MuleSoft Developer Role: We are looking for an experienced MuleSoft Developer to join our IT Solutions team. As a MuleSoft Developer, you will work hands designing, developing, and implementing API services to solve mission-critical challenges using MuleSoft’s Anypoint Platform for our Marketing, Sales, Service, Billing and Network Engineering applications. We have an extensive portfolio of world-class platforms: Salesforce, Marketo, MuleSoft, Oracle JD Edwards, Lenel, FNT and RFCode. As a Mulesoft Developer, you will provide valuable input and development on MuleSoft implementation projects, develop solutions on standard methodologies for on-premise, cloud, and hybrid integration, and API management. Essential Functions: Develop and test solutions to integrate with disparate business services. Validate, test, and implement new products and/or applications and modules and/or features within application, application releases, and services. Research and analyze technology to apply best practices to design solutions. Collaborate with the MuleSoft team, and Enterprise Solution Architect, and technical groups to review, design, and implement requirements and strategies. Create and maintain documentation related to services, solutions, and interfaces. Demonstrate, promote, and comply with secure and patterned coding practices. Train and mentor other personnel. Promote and demonstrate behaviors consistent with CoreSite's culture and core values. Requirements Knowledge, Skills & Abilities: Ability to thrive in a hybrid work environment that consists of at least two onsite days per week. Able to work during normal business hours as well as nights or weekends as needed to support deployments and maintenance windows. Critical thinking skills to evaluate alternatives and present solutions that are consistent with objectives and strategy. Knowledge of end-to-end administration of MuleSoft infrastructure for the cloud/on-premise. Understanding of API lifecycle development. Familiarity with firewall whitelisting and/or configuration. Solid understanding of security admin maintain client identification and secret for applications registered on API proxy. Ability to adapt to a rapidly changing environment. Able to manage tasks independently and take ownership of responsibilities. Able to communicate highly complex technical information clearly and articulately for all levels and audiences. Willingness to learn new technologies/tools and train others. Communicate effectively and frequently, verbally and in writing, with others. Collaborate with teammates to aid, share expertise, and receive input and direction from others to deliver the best solution and experience for end users. Education/Experience: Bachelor’s degree in Computer Science, Information Technology, or a related field strongly preferred. At least 7 years of developer experience with at least 3 years of experience using of MuleSoft architecture and full lifecycle implementation of MuleSoft Anypoint Platform, API Management and Messaging. Experience delivering in a variety of development frameworks (Scrum, Waterfall, Iterative, Kanban, etc.). At least 4 years’ experience doing routine admin activities, e.g., Server restart, API restart, deployment. Experience with Load Balancer configuration and maintenance for Cloud/on-premise. Experience in new product development within the telecommunications or data center industries, with a solid understanding of network-based products, strongly preferred. Physical Demands: The physical demands described herein are representative of those that must be met by an employee to successfully perform the job’s essential functions. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the job’s duties, the employee is occasionally required to stand, walk, sit, use hands to handle or feel objects, reach with hands and arms, climb stairs, balance, stoop or kneel, talk, and hear. The employee must occasionally lift and/or move objects weighing up to 25 pounds. Compensation: Compensation for this role includes a base salary between $120,000 and $140,000 annually. This role is also eligible for an annual bonus and equity, based upon individual and company performance. Benefits Not only does CoreSite have a fun, team-focused work environment, but we also offer great benefits to all employees regularly scheduled to work more than 20 hours a week! First-day medical insurance through Cigna with generous premium cost coverage Dental insurance through Delta Dental Vision insurance through VSP Telemedicine through MDLive for Cigna Healthcare and dependent care flexible spending account (FSA) plans Health saving account (HSA) plans for employees participating in the High Deductible Health Plan Life, AD&D, short-term disability, and long-term disability insurance fully paid by the company Voluntary coverage benefits for supplemental life, critical illness, accident, and hospital insurance First-day eligibility for 401(k) savings plan through Fidelity, which includes an attractive matching company contribution with a 5% company match Discretionary annual bonus and equity incentive plan Employee stock purchase plan (ESPP) with a 15% discount 16 days of paid time off (PTO)11 paid company holidays and additional floating holidays Additional paid time off for school events, elder care, volunteering, bereavement, jury duty, voting, parental leave and disability leave Free parking or a company contribution toward a public transit pass Additional Perks Wellness Reimbursement Program: Yearly stipend of $500 for employees and $300 for dependents, up to $800 total for the family Wellness Incentive Program: Participate in various wellbeing activities to earn up to $450 per year in cash incentives Technology Stipend: $100 monthly stipend. Educational Reimbursement Program: Work-related learning and development with reimbursement on qualifying degree programs, up to $5,250 per year Giving Back: Charitable donation matches up to $5,000 per year and nominate organizations for Company Foundation grants Financial Management: Access to financial coaching, digital tools and services to manage and pay student loan debt quicker Pet Insurance: Keep your furry friends healthy and happy Family Planning: Benefits and services related to fertility, pregnancy, menopause, adoption and surrogacy Employee Assistance Program: 24x7 service to support family, work, money, health, legal and life challenges Counseling and Caregiving Programs: Including access to mental health services, licensed counselors, and caregiving tools including membership for finding care. Referral Bonus: Receive a $3,000 cash bonus if referred candidate is hired and meets eligibility requirements Discounts : Discounts, cash back offers and perks on thousands of brands LinkedIn Learning Membership: Support your development when accessing LinkedIn’s online library of courses and videos General Statements - Applicants must be currently authorized to work in the United States on a full-time basis. The employer will not sponsor applicants for work visas. Please note that all offers of employment are contingent upon the successful completion of a background check and, where permitted by law, a 5-panel drug test conducted after the offer letter is signed, which will screen for THC, opiates, PCP, cocaine, and amphetamines. Thank you for your understanding and cooperation. Applicant Privacy Notice : CoreSite is committed to protecting the privacy and security of personal information submitted by applicants. The California Consumer Privacy Act (CCPA) requires us to provide you information about our personal information handling practices. As a result, we’re providing this Privacy Notice that describes how we collect, use, share, and update personal information from individuals who wish to be considered for employment with CoreSite. To read the Applicant Privacy Notice, please go to https://www.coresite.com/applicant -privacy-notice. Unauthorized reproduction or distribution of this job posting on external sites is prohibited without prior written consent from CoreSite. We are not responsible for any postings or offers not originating from our official channels or approved partners.

Keywords: CoreSite, Westminster , MuleSoft Developer (1831), IT / Software / Systems , Denver, Colorado