Jacob Van Stelle
Colorado Springs,CO
Summary
Full Stack Software Developer skilled in Angular, TypeScript, C#, .NET, and SQL Server, delivering responsive, user-focused web applications. Adept at translating business needs into technical solutions with strong problem-solving and communication skills.
Overview
9
9
years of professional experience
Work History
Full Stack Software Developer
Implefast Inc.
05.2023 - Current
- Developed and maintained 11 full stack web applications for energy sector clients using Angular, C#, and SQL Server, improving operational workflows and data accessibility.
- Modernized legacy AngularJS applications by migrating them to Angular, significantly enhancing performance, strengthening security, and improving user experience through updated architecture and responsive design.
- Designed and implemented RESTful APIs to enable seamless data exchange between front-end and back-end systems.
- Collaborated with clients to analyze business requirements and deliver tailored, scalable software solutions.
- Diagnosed and resolved issues across front-end and back-end components, improving application stability and overall system reliability.
- Designed and optimized complex SQL Server stored procedures to efficiently retrieve and process pricing data from diverse customer databases, ensuring high performance and data integrity.
- Utilized C# and Entity Framework to build robust data access layers, streamlining communication between application logic and relational databases.
- Integrated external APIs from major commodity exchanges, automating the valuation process and enabling real-time data synchronization for client applications.
- Developed backend services to aggregate, validate, and process large datasets, supporting advanced analytics and reporting features for energy sector clients.
- Implemented OpenXML-based solutions for dynamic Excel spreadsheet generation, allowing users to export and analyze valuation results directly from the web application.
- Enhanced backend security by applying best practices in authentication, authorization, and data protection across all API endpoints.
- Collaborated with front-end teams to define API contracts and ensure seamless integration between Angular applications and backend services.
Account Manager
K&F Roofing
04.2022 - 05.2023
- Managed contract administration and scheduling, coordinating subcontractors and timelines to keep roofing projects on track
- Evaluated project costs against budgets and prepared concise financial reports for leadership review
- Generated and issued client invoices, tracking payments to maintain accurate, timely billing throughout each project lifecycle
- Entered project expenses into accounting software, ensuring up-to-date, audit-ready financial records
Project Manager
Reliable Roofing and Retrofit
08.2021 - 04.2022
- Managed project workflows, resource allocation, and client communications.
- Utilized data analysis to optimize project efficiency and identify areas for improvement.
- Facilitated sales opportunities through effective communication and needs assessment.
- Performed accounting of sales data and project assets.
ADS-B Support Lead
FlightAware
04.2021 - 08.2021
- Provided technical support and troubleshooting for flight tracking hardware and software.
- Assisted in corporate sales through technical demonstrations and client engagement.
- Wrote technical documentation to improve team proficiency.
- Accounted for leased hardware, managed host communications.
Line Service Supervisor
Gill Aviation
05.2018 - 04.2021
- Coordinated airport operations including runway inspections, security checks, and emergency response.
- Supervised aircraft servicing crews and balanced workloads to keep tight turnaround schedules.
- Logged inspection reports and maintenance activities in compliance with regulatory reporting requirements.
- Led the safety-training program, briefing personnel on procedures and reinforcing a culture of operational excellence.
Assistant Manager
Circle Air Group
08.2016 - 05.2018
- Orchestrated daily flight-line scheduling, ground-handling logistics, and client services in a high-traffic environment.
- Performed comprehensive ground services on a variety of aircraft, adhering to stringent safety and quality guidelines.
- Managed fuel-load accounting and executed quality-control testing to ensure accurate records and regulatory compliance.
- Directed and mentored a four-member Line Service team, aligning staffing and resources with evolving flight schedules.
Education
Bachelor of Science - Geoscience
Southern New Hampshire University
01.2026
Skills
- Full Stack Web Development: Angular, TypeScript, HTML5, CSS3, C#, NET Framework, RESTful API design
- Database Management: SQL Server, Postgres, pgAdmin, database schema design, query optimization, data analysis
- Development Tools: Visual Studio, Visual Studio Code, Git version control, debugging and testing
- Software Engineering: Object-oriented programming, MVC architecture, agile development practices
- UI/UX: Responsive web design, user interface development, cross-browser compatibility
- Business Analysis: Requirements gathering, client communication, translating business needs into technical solutions
- Additional Tools: Microsoft Office Suite (Word, Excel, PowerPoint) for documentation and reporting
Websites
Timeline
Full Stack Software Developer
Implefast Inc.
05.2023 - Current
Account Manager
K&F Roofing
04.2022 - 05.2023
Project Manager
Reliable Roofing and Retrofit
08.2021 - 04.2022
ADS-B Support Lead
FlightAware
04.2021 - 08.2021
Line Service Supervisor
Gill Aviation
05.2018 - 04.2021
Assistant Manager
Circle Air Group
08.2016 - 05.2018
Bachelor of Science - Geoscience
Southern New Hampshire University