Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Senior platform & backend engineer with 10+ years designing, scaling, and stabilizing high-volume distributed systems in regulated industries (digital health, fintech, cybersecurity). Expert in building deterministic guardrails around non-deterministic AI agent architectures, including tool execution, multi-tenant state isolation, and evolvable API contracts. Combines deep software domain expertise with a reliability-first mindset at scale—delivering production-grade AI agents, robust data pipelines, and enterprise integrations while maintaining strong security and compliance posture (GDPR/HIPAA/SOC2/DLP).…Senior platform & backend engineer with 10+ years designing, scaling, and stabilizing high-volume distributed systems in regulated industries (digital health, fintech, cybersecurity). Expert in building deterministic guardrails around non-deterministic AI agent architectures, including tool execution, multi-tenant state isolation, and evolvable API contracts. Combines deep software domain expertise with a reliability-first mindset at scale—delivering production-grade AI agents, robust data pipelines, and enterprise integrations while maintaining strong security and compliance posture (GDPR/HIPAA/SOC2/DLP).

Alan Hegewisch

Full Stack Developer, Back-End Developer, Software Engineer, +1





Senior platform & backend engineer with 10+ years designing, scaling, and stabilizing high-volume distributed systems in regulated industries (digital health, fintech, cybersecurity). Expert in building deterministic guardrails around non-deterministic AI agent architectures, including tool execution, multi-tenant state isolation, and evolvable API contracts. Combines deep software domain expertise with a reliability-first mindset at scale—delivering production-grade AI agents, robust data pipelines, and enterprise integrations while maintaining strong security and compliance posture (GDPR/HIPAA/SOC2/DLP).…Senior platform & backend engineer with 10+ years designing, scaling, and stabilizing high-volume distributed systems in regulated industries (digital health, fintech, cybersecurity). Expert in building deterministic guardrails around non-deterministic AI agent architectures, including tool execution, multi-tenant state isolation, and evolvable API contracts. Combines deep software domain expertise with a reliability-first mindset at scale—delivering production-grade AI agents, robust data pipelines, and enterprise integrations while maintaining strong security and compliance posture (GDPR/HIPAA/SOC2/DLP).

Available to hire

Senior platform & backend engineer with 10+ years designing, scaling, and stabilizing high-volume distributed systems in regulated industries (digital health, fintech, cybersecurity). Expert in building deterministic guardrails around non-deterministic AI agent architectures, including tool execution, multi-tenant state isolation, and evolvable API contracts.

Combines deep software domain expertise with a reliability-first mindset at scale—delivering production-grade AI agents, robust data pipelines, and enterprise integrations while maintaining strong security and compliance posture (GDPR/HIPAA/SOC2/DLP).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Fluent

Work Experience

Fractional CTO & Consultant at Self-Employed

May 1, 2025 - Present

Operate as a fractional CTO and systems architect for high-growth PropTech, vertical SaaS, and urban development ventures, specializing in 0-to-1 execution of production-grade AI agents and robust data pipelines. Formulated core system architecture and tool-calling interfaces for multi-agent workflows implementing complex domain financial logic. Instrumented multi-agent workflows with Langfuse for observability and evaluation, validating AI outputs for hallucinations, incorrect logic, and security gaps before production. Scoped AI orchestration tooling to automate asset management and resident communication interfaces across real estate ecosystems. Built a “Deal Assurance” pipeline via deep CRM integrations and custom webhooks with Follow Up Boss (FUB), systematically checking data integrity, compliance documents, and property inspection artifacts during critical transaction windows.

Fractional CTO & Consultant (Self-Employed) at Self-Employed (CDMX, Mexico)

May 1, 2025 - Present

Operate as a fractional CTO and systems architect for high-growth PropTech, vertical SaaS, and urban development ventures. Built production-grade AI agents and robust data pipelines, including multi-agent orchestration and tool-calling interfaces for complex domain logic (e.g., financial logic). Designed data flow patterns and scoped AI orchestration tooling to automate asset management and resident communications across real estate ecosystems. Engineered deep CRM integrations and custom web hooks with Follow Up Boss (FUB) to automate a “Deal Assurance” pipeline that systematically checks data integrity, compliance documents, and property inspection requirements during critical transaction windows.

Senior Software Engineer - KeepAware at Keep Aware

October 1, 2023 - May 1, 2025

Built an AI-powered data summarization tool using LLMs to automate research tasks for an internal analysis team, saving ~80% of their time. Architected and scaled high-volume data processing systems handling 100M+ daily events for 40,000+ users, enabling 3x client base expansion and supporting company revenue growth. Developed an extensible integration framework to reduce new-provider onboarding from weeks to 15 minutes, enabling rapid integrations with enterprise platforms such as Azure and Okta. Automated CI/CD pipelines using GitHub Actions, reducing build errors and manual effort for production releases.

Senior Software Engineer - KeepAware at KeepAware

October 1, 2023 - April 30, 2025

Built an LLM-powered data summarization tool that automated research tasks for an internal analytics team, saving ~80% of their time. Automated CI/CD pipelines using GitHub Actions, reducing build errors and manual effort for production releases. Architected and scaled high-volume data processing systems handling 100M+ daily events for 40,000+ users, supporting 3x client base expansion and company revenue growth. Developed a flexible integration framework to onboard new providers from multiple weeks to ~15 minutes, enabling rapid integration with enterprise platforms like Azure and Okta.

Senior Software Engineer - Babylon Health at Babylon Health

November 1, 2021 - August 31, 2023

Engineered large-scale video call quality metrics systems (Java/Kafka/Kubernetes), owning video consultation and appointment metrics microservices and delivering actionable insights that resulted in thousands of clinician hours saved. Developed a key integration with an external provider projected to reduce monthly operating expenses by $500,000 USD. Implemented strategic caching across the full-stack clinical portal (React/React Native), reducing outbound REST API calls by 66%.

Lead Full-Stack Engineer / Engineering Manager - Acuant at Acuant

April 1, 2018 - October 31, 2021

Led a distributed team of 6 engineers, balancing hands-on development with strategic management. Conducted regular 1-on-1s, mentored team members into senior developer/manager/lead roles, and pioneered expansion of the core Mexico team. Developed key SaaS features for anti-money laundering and financial compliance (SSO, Risk Matrix), enabling entry into new market segments.

Software Engineer at Nxtlab

January 1, 2017 - December 31, 2017

Built SaaS solutions using Java, Spring, and SQL; guided the team as a Scrum Master.

Junior Web Developer at CS Group

January 1, 2015 - December 31, 2016

Built web applications for national clients (e.g., Subway Mexico) using HTML, CSS, JavaScript, and PHP.