Seasoned Full-Stack Software Engineer & Eng. Manager

Henry Wu

Software Engineer Full Stack Software Engineer

339-***-**** ***********@*****.*** 79 Court St, Medford, MA 02155 https://www.linkedin.com/in/mrhenrywu

Summary

Seasoned Full-Stack Software Engineer and Engineering Manager with over 15 years of experience spanning startups to tech giants.

Proven expertise in architecting and deploying high-availability, scalable enterprise systems, with deep proficiency in Java and JVM-based backend development (Spring Boot, microservices), alongside C#/.NET, Go, and cloud-native platforms. Strong background in building performant, secure Java services, modern frontend frameworks (React/TypeScript), and comprehensive DevOps practices. At Meta, led the modernization of critical internal platforms, significantly enhancing engineering efficiency and system reliability. At Next Jump, successfully directed technical migrations and scaled Java-based products for millions of users. Adept at translating complex business requirements into robust technical solutions and passionate about fostering team growth through mentorship and a culture of engineering excellence. Proven expertise in architecting and deploying high-availability, scalable enterprise systems, with deep proficiency in backend development (C#/.NET, Go, cloud-native), modern frontend frameworks

(React/TypeScript), and comprehensive DevOps practices. At Meta, led the modernization of critical internal platforms, significantly enhancing engineering efficiency and system reliability.

At Next Jump, successfully directed technical migrations and scaled products for millions of users. Adept at translating complex business requirements into robust technical solutions and passionate about fostering team growth through mentorship and a culture of engineering excellence. Skills

Programming Languages

Java, C#, Go, Python, JavaScript, TypeScript, SQL, PHP, HTML5, CSS3, C/C++, PowerShell, Bash Cloud Platforms & DevOps

AWS (Lambda, EC2, S3, RDS, SNS/SQS), Docker, Kubernetes, Terraform, Azure, CI/CD (Jenkins, GitHub Actions), Infrastructure as Code

Frontend Development

React, Angular, TypeScript, Next.js, D3.js, Webpack, Material-UI, Tailwind CSS, Responsive Design, WCAG Accessibility

Backend & Microservices

.NET Core, ASP.NET, Node.js, RESTful APIs, GraphQL, gRPC, Microservices Architecture, Event-Driven Design Databases & Data Engineering

SQL Server, PostgreSQL, MySQL, Redis, Entity Framework Core, Data Warehousing, ETL Pipelines, Performance Optimization

Security & Compliance

OAuth/OpenID Connect, RBAC, PCI-DSS, GDPR, SOX, HIPAA Compliance, Security Best Practices Tools & Methodologies

Git, Agile/Scrum, Jira, Grafana, Prometheus, Architectural Decision Records, TDD/BDD, Mentoring & Code Reviews

Experience

Software Engineer, Meta LLC

8/2021 - 12/2025 Cambridge, MA

• Architected and deployed high-performance Java (Spring Boot) and .NET Core services, automating onboarding for over 10,000 hires.

• Built responsive React/TypeScript dashboards for real-time leadership visibility.

• Engineered a scalable Windows-service framework in C#/PowerShell, achieving 99.9% security patch compliance.

• Optimized high-volume data pipelines, reducing nightly processing time by 40%.

• Developed ASP.NET Core APIs to sync HR/finance systems, eliminating manual reconciliation.

• Migrated on-premise tools to Docker/Kubernetes, improving deployment velocity and reliability.

• Designed and implemented an RBAC system ensuring SOX and GDPR compliance.

• Refactored a monolithic .NET app into microservices, reducing MTTR during outages.

• Built automated C# diagnostic tools, reducing IT support tickets by 25%.

• Implemented OAuth/OpenID Connect to standardize identity across 15+ tools.

• Integrated static code analysis into CI/CD, reducing C# vulnerabilities.

• Developed reusable UI components, accelerating feature development for peer teams.

• Optimized frontend rendering, reducing TTI by 300ms for data-heavy portals.

• Integrated GraphQL to streamline data fetching and reduce payload sizes.

• Led accessibility remediation of HR portals for WCAG 2.1 compliance.

• Implemented data visualization modules with D3.js/React for operational insights.

• Configured Webpack to optimize bundle sizes, improving load times for remote employees.

• Designed complex SQL schemas and stored procedures for data integrity at scale.

• Automated database migration workflows, reducing schema drift risk.

• Instrumented monitoring with Grafana for proactive performance detection.

• Scripted infrastructure management with PowerShell, streamlining dev environment provisioning.

• Built Python ETL connectors for seamless data flow to the central data lake.

• Spearheaded the ‘Internal Tools Modernization’ roadmap, securing stakeholder buy-in.

• Mentored three junior engineers through production commits.

• Served as primary technical contact for SEV incidents, leading RCAs.

• Evaluated and integrated third-party vendor APIs for enterprise interoperability.

• Championed ‘Shift Left’ testing, increasing unit test coverage by 20%.

• Facilitated cross-team collaboration, enabling a bi-weekly deployment cadence.

• Authored technical documentation and ADRs, reducing onboarding time by two weeks.

• Drove ‘Engineering Excellence’ culture with strict code standards and automated linting. Software Engineer Manager, Next Jump Inc.

09/2015 - 07/2021 Cambridge, MA

• Orchestrated the strategic migration of legacy monolithic PHP applications to cloud-native microservices using Docker and AWS Lambda, improving system fault tolerance and reducing deployment capability from days to hours.

• Managed a cross-functional engineering team responsible for high-traffic mobile apps and Single Page Applications (SPAs), balancing technical debt reduction with the delivery of critical ‘Perks at Work’ features serving millions of users.

• Architected and deployed high-concurrency backend services in Java, Go, and C#, handling peak transaction volumes during major retail events (e.g., Black Friday) with zero downtime.

• Championed the adoption of a ‘culture-first’ recruitment strategy in the absence of a traditional HR department, personally overseeing the technical hiring funnel and effectively retaining top engineering talent through mentorship.

• Implemented automated CI/CD pipelines using Jenkins and AWS CodePipeline, standardizing release processes across distributed teams and increasing deployment frequency by 40%.

• Led the development of internal ‘Feedback Labs’ tools using React and .NET Core, digitizing real-time performance coaching workflows to align with the company's Deliberately Developmental Organization

(DDO) philosophy.

• Optimized AWS cloud infrastructure spend by implementing auto-scaling policies and rightsizing EC2/RDS instances, resulting in a 20% reduction in monthly operational costs.

• Directed the modernization of frontend architectures to TypeScript and React, enhancing user experience metrics and enabling faster feature prototyping for merchant partners.

• Facilitated a comprehensive engineering residency program, creating technical documentation and codelabs that reduced the time-to-productivity for new hires by approximately 30%.

• Designed and maintained secure, compliant RESTful APIs handling sensitive user data, ensuring strict adherence to PCI-DSS standards and best practices in application security.

• Collaborated with product owners to integrate real-time analytics dashboards using SQL Server and AWS QuickSight, driving data-informed decisions for the merchant partnership strategy.

• Mentored three senior engineers into leadership roles through bi-weekly code reviews and architectural guidance, actively practicing the ‘Better You’ leadership model.

• Established rigorous code quality standards and automated testing frameworks (NUnit, Jest), significantly reducing production regression rates during rapid iteration cycles.

• Engineered event-driven architecture solutions using Amazon SNS/SQS to decouple complex business logic and improve the scalability of the employee engagement platform. Software Engineer Lead, Next Jump Inc.

06/2013 - 09/2015 Cambridge, MA

• Re-engineered user registration flows for the core employee portal, achieving a 3X increase in friends/family sign-ups and establishing a process to recoup 500k previously lost users annually.

• Collaborated seamlessly with business, technology, and email marketing teams to integrate complex corporate rate structures (gyms, Microsoft Office, etc.), directly driving a revenue impact of over $600k annually.

• Redesigned and developed a mobile-optimized web application for company-wide quarterly performance evaluations, utilizing C# and JavaScript to streamline the ‘No HR’ peer review process.

• Partnered with external merchant contacts to automate vendor onboarding workflows, simplifying data exchange processes and enhancing the value proposition for enterprise clients.

• Led the technical execution of company-wide performance evaluations, iterating on internal tools to reduce administrative friction and improve data submission accuracy for hundreds of employees.

• Refactored critical legacy database queries in SQL Server, reducing page load times for high-volume corporate perk search results by 25%.

• Guided junior developers through full-stack feature implementations in a hybrid PHP/C# environment, fostering a collaborative team environment focused on technical growth.

• Implemented responsive UI updates for the corporate alumni platform using HTML5 and CSS3, ensuring consistent branding and accessibility across diverse device types. Software Engineer, Next Jump Inc.

06/2010 - 06/2013 Cambridge, MA

• Developed scalable web-based products that enabled the seamless integration of corporate branding for client portals, supporting growth to thousands of US businesses without requiring additional account management headcount.

• Built and maintained robust program performance analysis tools using SQL and JavaScript, empowering clients to independently track engagement and ROI.

• Engineered automated communication features that allowed clients to broadcast program updates company-wide, significantly improving employee adoption rates of the ‘Perks at Work’ platform.

• Contributed to the development of early internal culture apps, translating complex human capital workflows into intuitive web interfaces.

• Assisted in the database design and optimization of merchant catalogs, ensuring data integrity and fast retrieval speeds for an expanding library of offers.

• Collaborated with the design team to implement pixel-perfect front-end code using HTML/CSS, maintaining high visual fidelity for Fortune 500 client portals.

• Participated in the full software development lifecycle (SDLC) in an Agile environment, consistently delivering defect-free code for critical account management modules. Software Engineer, Massachusetts General Hospital

06/2009 - 06/2010 Boston, MA

• Engineered a predictive automated appointment reminder system using C# and ASP.NET, integrating risk- stratification algorithms that successfully reduced high-risk patient no-show rates by 6.4% across the Internal Medicine Associates network.

• Developed the ‘Mammography FastTrack’ population health surveillance platform, utilizing complex SQL Server data pipelines to identify screening gaps among eligible women, achieving an 86% physician participation rate and enabling intervention for 83% of the overdue population.

• Architected secure, HIPAA-compliant XML and Web Service (SOAP) integrations with external telephony vendors (TeleVox), automating patient communication workflows and freeing administrative staff from thousands of manual weekly phone calls.

• Optimized database performance and backend logic for the TopCare population health management tool, ensuring rapid data retrieval and real-time risk scoring for a patient registry exceeding 80,000 active records.

• Collaborated with multidisciplinary teams of clinicians, biostatisticians, and researchers to translate quantitative medical models into deployable enterprise software solutions, directly supporting initiatives to improve chronic disease management and operational efficiency. Designer - Cooperative Education Program, Analog Devices Inc. 06/2008 - 05/2009 Wilmington, MA

• Designed and simulated a multi-modal MEMS gyroscope system using MATLAB, iteratively refining sensor architecture and feedback algorithms before fabrication, reducing the need for costly physical prototypes by ~30%.

• Implemented a self-correcting feedback control loop that enhanced the gyroscope’s sensitivity and stability, improving its ability to detect subtle rotational movements by ~20% through automatic drift correction.

• Collaborated with cross-functional engineering teams to integrate analog sensor circuitry with digital signal processing components, ensuring the prototype operated reliably across multiple sensing modes during testing.

• Validated the gyroscope design through hands-on prototype testing and iterative tuning, confirming that simulation predictions matched physical performance and ensuring design reliability.

• Presented project findings and prototype results as a Master’s thesis at MIT, effectively communicating the innovative sensor design approach and contributing to ongoing research in high-precision MEMS systems. Design/Applications Intern, Analog Devices Inc.

06/2007 - 08/2007 Cambridge, MA

• Engineered a portable, battery-powered MEMS accelerometer test platform by designing a custom circuit board and writing embedded C firmware, which allowed sensor evaluation outside traditional lab settings.

• Developed a desktop data acquisition and visualization tool in Python (wxPython GUI) that communicated with the device over USB, enabling real-time sensor data capture and user-friendly analysis for the engineering team.

• Integrated support for SPI and I2C communication protocols into the test platform, broadening compatibility with various accelerometer modules and ensuring the system could reliably evaluate multiple sensor models.

Design/Applications Intern, Analog Devices Inc.

06/2006 - 08/2006 Wilmington, MA

• Prototyped an automated test bench for MEMS accelerometer chips using a Cypress PSoC microcontroller, writing firmware in C and creating a LabVIEW-based interface to visualize real-time acceleration data on a PC.

• Streamlined the sensor testing process by eliminating manual data capture, cutting analysis time by ~50%; the automated system delivered consistent, repeatable measurements and was adopted by the team for ongoing use in lab evaluations.

Education

Master of Engineering/Electrical Engineering and Computer Science, Massachusetts Institute of Technology

06/2008 – 05/2009 Cambridge, MA

Bachelor of Science/Electrical Engineering and Computer Science, Massachusetts Institute of Technology

08/2004 – 05/2008 Cambridge, MA

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