I make production systems reliable at scale.
So growth doesn’t break what’s already working.
The Craftsman
I’m Jose Lebron — a technical craftsman with a background spanning backend development, infrastructure, automation, and mechanical diagnostics. Before writing software professionally, I spent years running my own automotive shop, where precision and durability weren’t optional.
That mindset shaped how I engineer software today. I don’t patch symptoms; I dismantle problems to understand failure mechanics. My rule is simple: if I build it, it is built correctly.
Who I Work With
- 01.SaaS Founders scaling past MVP
- 02.CTOs needing deep-dive diagnostics
- 03.Teams wrestling with technical debt
Primary Focus
- ›Performance & Bottlenecks — often revealing latency and conversion gains
- ›Refactoring Brittle Systems — simplifies maintenance and lowers outage risk
- ›API & Database Modernization — reduces integration friction and speeds delivery
Selected Engagements
FinTech Scale-up (Series B)
Diagnosed a recurring 502 error spike during peak traffic. Reconfigured proxy buffers and optimized connection pooling to handle 3x traffic load without downtime, protecting revenue and customer trust.
Logistics Enterprise SaaS
Modernized a legacy monolith. Containerized the environment and implemented a CI/CD pipeline that reduced deployment time from 1 hour to 5 minutes, accelerating delivery and lowering release risk.
High-Volume E-commerce
Eliminated a critical race condition in the inventory system. Rewrote background job locking mechanisms, preventing ~$50k/month in oversold inventory refunds, reducing operational losses and customer friction.
My Approach
-
Depth over shortcuts
I dig deep into logs and code paths to validate assumptions. Preparation prevents regression.
-
Calm under complexity
Panic is the enemy. I use structured analysis to eliminate variables until the system is stable.
-
Extreme Ownership
I adopt your goals and constraints. I deliver confidence that persists long after I leave.
Engagement Models
System Audit & Diagnostic
Often best when you need a concise, prioritized assessment to reduce technical risk.
Deep review of architecture, performance, and failure points.
Production Rescue
Often best when availability or revenue are threatened and rapid stabilization is needed.
Hands-on debugging and stabilization under load.
Foundational Architecture
Often best when you're rebuilding or replatforming to support growth and long-term stability.
Greenfield design for correctness and longevity.
The Toolkit
These tools underpin the outcomes above: reduced downtime, faster recovery, and clearer operational ownership.
Capabilities
Architecture & Design
Blueprinting scalable strategies that align with business reality. I weigh speed vs. stability to support immediate goals without sabotaging future growth — reducing outage risk and protecting product velocity.
DevOps Automation
Designing intelligent workflows that eliminate toil. Automated testing, deployment, and recovery free your team to focus on product outcomes instead of firefighting — saving engineering time and lowering release risk.
Infra Reliability
Orchestrating robust environments from bare metal to cloud. I implement observability stacks that reveal system health before customers notice issues — so incidents are detected and resolved faster, limiting revenue impact.
Backend Engineering
Forging high-performance backends. I design clean, documented, versioned APIs that make the application layer as robust as the infrastructure it runs on — improving reliability and simplifying partner integrations.
Field Notes
View Archive ->Mitigating 502 Bad Gateway Spikes
How we tuned Nginx buffers and Postgres connection pooling to handle a 300% traffic surge without upgrading hardware.
Reducing CI/CD Build Times by 60%
Moving from monolithic builds to multi-stage Docker caching strategies. A breakdown of the exact Dockerfile changes.
Ready to build it right?
I work with a limited number of clients so each engagement gets focused time and rigor. I prioritize projects where I can deliver material operational or product impact; fit is confirmed before scope or pricing are discussed.
You don’t need to know the technical details—just share what’s not working as expected.