Summary
Overview
Work History
Education
Skills
Websites
Timeline
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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

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