# Alan Guerrero > Full-Stack Software Engineer ✦ Delivering Scalable, High-Performance SaaS ✦ System Design & API Architecture ✦ Team Leadership ✦ End-to-End Ownership ✦ Technical Project Management Location: Hackensack, New Jersey, United States Profile: https://flows.cv/alanguerrero ✯ I am a results-driven Full-Stack Software Engineer with over 4 years of experience building scalable, high-performance financial and enterprise SaaS platforms. I thrive on taking ownership of complex systems end-to-end from technical scoping and architecture to implementation, optimization, and mentoring teams. My work consistently delivers measurable impact, whether it’s reducing page load times, enhancing workflows, or enabling seamless integrations across platforms. ✯ Throughout my career, I have led complex end-to-end projects, from system design and API architecture to deployment and monitoring, while mentoring junior engineers and fostering high-performing teams. I have a proven track record of improving application performance at scale, including slashing critical page load times by up to 86% through API restructuring, caching strategies, bundle optimization, and extensive codebase cleanup. ✯ I consistently ranked in the top tier of contributors by Jellyfish metrics, with multiple categories approaching 2× the company average, including PR velocity, turnaround time, and engagement. This reflects my focus on delivering high-quality code, accelerating development cycles, and contributing to a culture of excellence and collaboration. My experience spans frontend frameworks (React, TypeScript), backend systems (Node.js, Python), cloud platforms (AWS, GCP), and API design, giving me the versatility to contribute across the stack. ✯ I enjoy tackling high-impact problems, optimizing workflows, and translating complex business requirements into elegant technical solutions. Whether it’s performance tuning, architectural improvements, or mentoring engineers, my goal is to deliver measurable value while fostering innovation and collaboration. My broad skills include: → Software Development Lifecycle (SDLC) → Technical Project Management → Frontend & Backend Development → Cloud & Infrastructure → Code Quality & Maintainability I am actively seeking opportunities where I can drive technical excellence, mentor talent, and build scalable products that make a meaningful impact. #SoftwareEngineering #FullStackDevelopment #TechLeadership #PerformanceOptimization #CloudComputing ## Work Experience ### Software Engineer II @ FloQast Jan 2023 – Present As a Software Engineer II, I focus on building and refining amortization and depreciation systems by drawing on past improvements in user roles and access control to make our tools more intuitive and secure. I also play a key role in the launch of a multilingual platform to enable seamless switching between English, French, German, and Japanese and ensure translations are culturally relevant to drive global adoption. Beyond development, I serve as a trusted technical advisor to the Domain Lead by providing architectural guidance and shaping implementation strategies to guarantee solutions are both scalable and aligned with business goals. ★ Led a squad of 4–5 engineers while maintaining the highest code contributions and ticket completion rates on the team. ★ Spearheaded a critical integration between the Amortization platform and the core ERP system, enabling automated journal entries and significantly reducing manual accounting workflows. ★ Defined and executed technical roadmaps for new features, ensuring scalability, maintainability, and long-term platform stability while mentoring engineers on complex logic and system-wide best practices. ★ Delivered major performance improvements, cutting critical page load times from 10s → 1.4s and 8s → 4s through API restructuring, SWR caching, bundle optimization, and cleanup of 50+ dead files. ★ Ranked in the top 50% of company contributors on Jellyfish metrics, with several areas approaching 2× the average performance, including PR velocity, turnaround time, and engagement. ★ Consulted on repository and testing infrastructure enhancements, introducing MSW and Jest-MongoDB to enable robust integration testing and safer, more reliable releases. ★ Architected/deployed four centralized User APIs, now adopted company-wide to standardize and simplify user data access. ### Software Engineer I @ FloQast Jan 2021 – Jan 2023 In this role, I helped clients centralize and optimize their accounting operations by improving both efficiency and operational control. By collaborating closely with stakeholders, I ensured features are thoughtfully prioritized and scoped, enabling a smooth and efficient development cycle. My focus was on delivering technical solutions that were not only robust but also user-focused, translating complex requirements into practical, impactful outcomes. ★ Collaborated with an agile team of 9 to migrate from a monolith to Micro Front Ends and accelerate release velocity. ★ Mentored and onboarded new engineers to boost team ramp-up speed and ensure long-term knowledge retention. ### Software Engineer Immersive Resident @ Hack Reactor Jan 2021 – Jan 2021 | New York, New York, United States In this role, I actively supported the team by troubleshooting code, clarifying complex concepts, and providing personalized code reviews to enhance overall code quality. Beyond providing technical guidance, I fostered a collaborative and productive environment by mediating and resolving conflicts among developers to ensure smooth teamwork and successful project delivery. ★ Empowered a team of 15+ engineers through technical mentorship and support in algorithms, data structures, and modern web frameworks such as React/Redux, Node/Express, and MySQL. ## Education ### Bachelor of Arts - BA in Economics Queens College ### Hack Reactor ## Contact & Social - LinkedIn: https://linkedin.com/in/alang98 --- Source: https://flows.cv/alanguerrero JSON Resume: https://flows.cv/alanguerrero/resume.json Last updated: 2026-04-13