Senior Application Developer (DAAS API GW)

Posted 6/23/2026 · last confirmed live 8/26/2026

APPLICATION DEVELOPER - SENIOR  Location:  Remote.   Employment Type:  Future Job Opportunity - Proposal   Clearance Required:  Active Secret    Who we are: Horizon Industries Limited (Horizon) is a dynamic IT and Management Consulting firm based in the Washington, DC area. Founded in 1996, Horizon Industries Limited (Horizon) has evolved into a company of highly qualified professionals that provides full-cycle IT consulting and Management support in both the private and public sectors. Horizon’s culture is based on our core values, and we PRIDE ourselves on a diverse, employee- and family-centric approach.   What we are looking for: Develops software based on requirements developed by Business Analysts to meet the needed business solution at enterprise, large-scale level. All work is within the application development framework used by the organization. Collaborates with a Business Analyst to meet the requirement of fulfilling the client’s goals to implements the business solution. Proficiently executes the work using the tools and techniques implemented for the project. Works directly with Systems Architect to develop and implement new third party applications, tools, and programming libraries to meet the business development goals of the client. Utilizes web-based software such as Java, HTML, .NET, AngularJS, JavaScript, SOAP, REST API, mobile development, and Web Based API in the building of software applications. Minimum Experience: Five (5) years of total work experience developing. Experience with application programming interfaces (APIs) to support Low-Code/No-Code Development Platform models. Experience using low-code/no-code business process modeling notation (BPMN) tools. Experience developing application/process automation software based on BPMN models, experience using software tools such as Appian, Salesforce, Nintex, etc. with Microsoft SQL Server databases and Microsoft .NET development environment. Experience in agile and hybrid low-code application development. Experience in MuleSoft Anypoint Platform based development. Required Skills: Education : BS in Computer Science, Information Systems, Engineering, Business, or related discipline. Investigative Requirement : At time of proposal the contractor must possess a Moderate Risk (Confidential, Non- Critical Sensitive, IT II) with a Tier 3/NACLC/ANACI investigation at time of proposal submission. 8570/8140: DoW Approved 8570 Baseline Certification: Category IAT Level I. Certification: MuleSoft Certified Developer - Level 1. The contractor shall meet the certification requirements within 3 months after onboarding start date. Relevant certification from a nationally recognized technical authority.   Why you will succeed at Horizon: Horizon works at the forefront of new technologies and development practices and supports its employees in being trained and certified in the latest and greatest. As we continue to expand and grow the Horizon brand around the globe, we want to ensure that our team members are growing with us, as you are a vital part of our success story.  This is a great opportunity for us to invest in our employees by supporting them with the right skills and tools to be successful in their careers.   You will find a career map with a focus on someone who wants to specialize in a technical track or a people management track.  We will provide you with a series of personal and professional development opportunities to ensure you have the support and tools necessary to grow and achieve your goals. This includes personal career coaching and mentoring opportunities, among other initiatives.    Why you will love working with us/ Perks: A comprehensive benefits package including healthcare (medical, dental, vision, and disability) a 401 (k) program where you are 100% vested from day one with an employer match after 90 days. An Educational Assistance program. a Student Loan Repayment Program Gym Reimbursement Program. Paid Time off Dynamics, a passionate, multi-disciplinary team of creative minds to work with, and many more.   Horizon is an Equal Employment Opportunity employer, and it is our policy to consider all applicants for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.                                                                                                                           EOE/Vet/Disabled      

This role is published by Horizon Industries on greenhouse. SwiftFit is not the employer and does not accept applications.