Principal Software Engineer & Designer
I architect resilient products and lead the teams that ship them.
I'm Sebastian Schreuder — a principal-level software engineer and designer who blends hands-on development with product strategy. From launching fitness apps to building defense platforms deployed across Special Forces Groups, the products I've built and led have generated over $28M in annual recurring revenue. I've mentored 27+ engineers and designers, secured $10M in Series A funding through technical execution, and consistently deliver under budget and ahead of schedule.
- ●V.P. of Technology at Terra Labor — leading product and platform strategy across immigration and consulting
- ●Products built and led have generated $28M+ in combined annual recurring revenue
- ●Mentored 27 individuals across engineering and design disciplines
- ●Built defense-grade software at Adyton — IL5-compliant, zero-trust, deployed to Special Forces
$28M+
ARR generated
27+
People mentored
10+
Products shipped
Career Journey
Vice President of Technology
Aug 2025 - PresentTerra Labor Consulting Group, LLC · Houston, TX · On-site
Lead product and technology strategy across mobile and web platforms supporting consulting, immigration, and client services operations.
- ●Oversee end-to-end development of internal tools, enterprise-level customer-facing systems, and workflow automations
- ●Collaborate with legal, operations, and marketing teams to translate business needs into secure, compliant technical solutions
- ●Architect scalable platforms that improve operational efficiency across immigration and consulting verticals
Key Projects
Director of Technology
May 2025 - Aug 2025Terra Labor Consulting Group, LLC · Houston, TX · On-site
Promoted from Founding Software Engineer to direct the technology organization, scaling the engineering team and establishing technical standards across all products.
- ●Defined technical roadmap and architecture standards for the entire product suite
- ●Scaled engineering processes to support growing team and product complexity
- ●Drove adoption of agile methodologies and CI/CD best practices
Founding Software Engineer
Feb 2025 - May 2025Terra Labor Consulting Group, LLC · Houston, TX · On-site
Spearheaded the development of innovative mobile and web applications connecting workers with job opportunities. Led a team of engineers to produce clean code and first-principles designs, ensuring a seamless user experience.
- ●Built core product architecture from the ground up as first engineering hire
- ●Implemented agile methodologies and collaborated closely with product managers to deliver high-quality solutions
- ●Established coding standards and review processes for the engineering team
Chief Executive Officer
Nov 2022 - PresentInfini Dev · Greater Houston · Remote
Founded and lead an independent software consultancy delivering mobile and web applications for startups and established businesses, with a focus on Flutter, React, and full-stack architecture.
- ●Delivered client projects with a 35% faster development cycle than industry benchmarks
- ●Reduced troubleshooting efforts by 87% through proactive code reviews and testing
- ●Improved Flutter app stability — reducing crash rates by 43% and increasing load speeds by 22%
- ●Migrated 3 legacy apps to Flutter, decreasing maintenance hours by 76% and cutting long-term costs by 30%+
Key Projects
Head of Engineering
Dec 2022 - Feb 2025Reset · Houston, TX · On-site
Led and managed the engineering team while setting the technical direction of the company. Defined architecture and design of products and systems, implemented best practices for software development and deployment, and worked closely with other departments to ensure successful delivery of high-quality products.
- ●Defined architecture and design of the company's products and systems from the ground up
- ●Implemented best practices for software development, deployment, and code quality
- ●Collaborated cross-functionally with product, design, and marketing to deliver user-driven features
- ●Scaled the platform to support 25,000+ user transformations with a 96% success rate
Key Projects
Head of Product and Engineering
Nov 2022 - Feb 2025Studio 93 · Houston, TX · Remote
Led a team of Product Managers and Engineering Managers, setting both technical and product direction for multiple ventures. Responsible for technical architecture across the company and all venture partnerships.
- ●Launched 3 Flutter fitness apps generating over $6M in annual recurring revenue
- ●Consistently delivered 28% under budget and ahead of schedule
- ●Mentored 27 individuals across development and design disciplines
- ●Drove 48% growth in active users and 26% cost savings by transitioning from monolithic to microservices architecture
Key Projects
Software Engineer
Apr 2020 - Nov 2022Adyton PBC · Houston, TX
Contributed to a defense-focused software company building secure mobile platforms for military personnel accountability and communication.
- ●Helped secure $10M in Series A funding by engineering scalable product extensions — 38% user base increase
- ●Led system-wide code refactor reducing bugs and regressions by 94% and improving team efficiency by 29%
- ●Built 3 Flutter prototypes in record time, securing government contracts and increasing company revenue by 26%
Key Projects
Full Stack In-House Developer
Sep 2020 - Dec 2020Coding Dojo · Houston, TX
Created intuitive user interfaces and optimized front-end performance, ensuring a seamless and delightful user experience.
- ●Stayed up-to-date on emerging technologies and trends in full-stack development, bringing fresh ideas and approaches to the team
- ●Mentored junior developers and provided technical guidance and support, fostering a culture of continuous learning and growth
Community Manager
Sep 2019 - Apr 2020Divergence Academy · Dallas, TX · Remote
Managed and developed a thriving online community of students and alumni for a leading cyber security school.
- ●Facilitated regular meetups and events, providing networking opportunities for students and industry professionals
- ●Collaborated with faculty and staff to develop and promote student-centered initiatives, such as mentorship programs and internship opportunities
United States Air Force
Aug 2013 - Aug 2019United States Air Force · Shreveport, LA
Squadron Admin responsible for creating, maintaining, and streamlining logistics documentation and processes.
- ●Established logistical documentation procedures utilizing VBA for the deployment of 2,183 personnel, decreasing total time required by 430%
- ●Constructed VBA-empowered documentation to optimize automation in the workplace, enabling 248 seamless onboarding and offboarding procedures and decreasing time required by over 700%
Skills & Expertise
Leadership & Strategy
Mobile & Frontend
Backend & Cloud
DevOps & Infra
Design & Product