Java Developer

John Wood

Email: ********@*****.*** GitHub: https://github.com/devgod611

Professional Summary

As a seasoned Senior Software Engineer with 8 years of experience, I have developed a robust expertise in

GoLang, C++, and Java, complemented by advanced proficiency in AWS cloud services.

My career is marked by a proven track record of leading the development and successful deployment of

scalable, high-performance software solutions across various industries.

My technical skill set includes deep knowledge of modern backend technologies and architectures, with a

strong focus on writing clean, efficient, and maintainable code. I have consistently leveraged AWS to architectand deploy cloud-native solutions, optimizing infrastructure for enhanced scalability and reliability.

Throughout my career, I have embraced leadership roles, guiding cross-functional teams towards achieving

complex software development goals.

My approach combines strategic planning with hands-on technical

leadership, ensuring that projects not only meet but exceed performance expectations.

Skills

Front-end: HTML5, CSS, JavaScript, React.js, Vue.js, Next.Js, Nuxt.Js,

Back-end: Typescript, Node.Js, GoLang, Python, Tensorflow, Java, Spring Boot

Databases: MySQL, PostgreSQL, MongoDB, CoackroachDB, MariaDB

Cloud Services: GCP, AWS(EC2, S3, Lambda)

DevOps Tools: Docker, Kubernetes

Tools: Jest, Cypress, Selenium, Swagger GraphQL, Rest, Playwrite

Version Control: Git, GitHub, GitLab, BitBucket

Others: Agile (Scrum, Kanban), Microservice Architecture, Test-Driven Development(TDD), Software Logic,

Software Troubleshooting, User Experience, Clean Architecture, Problem Solving, Critical Thinking,

Project Management Skill, Sass, CRM,

Work Experience

Senior Backend Engineer(Golang & Redis & Devops) Jan/2022 to July/2024

http://www.logicsoftusa.com/

Action:

• Architect complex software systems using Golang, focusing on scalability, reliability, and maintainability.

• Utilize Domain-Driven Design (DDD) principles to model complex business domains within your software.

• Implement performance profiling and tuning to identify bottlenecks and optimize resource usage.

• Use concurrency effectively with Golang’s goroutines and channels to enhance the throughput and responsiveness of applications.

• Collaborate with DevOps to containerize applications using Docker, managing deployments on orchestration platforms like Kubernetes.

• Integrate with various databases like MySQL and Redis utilizing ORM tools like GORM for data manipulation.

• Implement caching strategies using in-memory data stores like Redis to reduce database load and improve response times.

Impact ( According to Google Analytic and New Relic):

• Optimized application performance, resulting in a 30% decrease in load times and a 15% increase in page

Loading.

• Streamlined the software delivery process, increasing deployment frequency by 40% and reducing failure

rates by 25%.

• Managed cloud resources for applications serving over 50,000 users, handling over 1 million requests per

day.

• Implemented a new feature that improved user engagement by 20%

Senior Backend Engineer(Java Spring Boot & PostgreSQL) Jan/2021 to Jan/2022

https://www.thetanuts.finance/

Action:

• Design and implement server-side logic using Java and Spring Boot framework, which provides tools

for building robust APIs, microservices, and web applications.

• Write clean, efficient, and well-documented code that follows best practices and design patterns.

• Participate in architectural decisions, helping to design scalable and secure system architectures that can

handle high volumes of transactions and data.

• Design, implement, and maintain database schemas. Work with relational databases such as MySQL, and

PostgreSQL on the project requirements.

• Optimize queries and database configurations to improve performance and data integrity.

• Implement authentication and authorization mechanisms to secure access to the application and its data.

• Use caching mechanisms and fine-tune application configurations to enhance system responsiveness and

throughput.

Impact:(Google Analaytic)

• Increased transaction processing speed by 45%, significantly reducing delays and costs associated with high-volume transactions, thanks to optimized backend systems.

• Improved system security and integrity, leading to a 30% reduction in security-related incidents, achieved

by strengthening backend security protocols and data validation processes.

Senior Software Engineer Jan/2020 to Jan/2021

Infopulse

• Key Technologies: React.JS, Angular, NextJS, NodeJS, NestJS, MongoDB, MSsql, AWS DynamoDB, GraphQL,

AWS, Azure, GraphQL, Rest API, Stripe, Flux, RabbitMQ, RxJS, React Router, Redux, DEFI, Microservice

• Was responsible for developing websites including the Saas platform using React.js, Angular, Next.js, Node.js, NestJS, MongoDB, MSSQL, AWS DynamoDB, GraphQL, and the AWS/Azure cloud services.

• Designed and implemented RESTful APIs to facilitate communication between frontend and backend

systems, adhering to industry best practices and standards.

• Collaborated with cross-functional teams including designers, backend developers, and product managers to define project requirements and deliverables.

• Implemented responsive designs and cross-browser compatibility enhancements to ensure consistent user

experiences across devices and browsers.

• Collaborated with UX/UI designers to translate design mockups into interactive and accessible web pages.

• Integrated third-party APIs for features such as payment processing, shipping, and analytics tracking.

• Conducted code reviews and provided mentorship to junior developers, ensuring adherence to Flux

principles and maintaining code quality standards.

• Used RabbitMQ as for message broker with NestJS backend.

• Implemented advanced optimization methods for React and Angular applications, utilizing lazy loading,

code splitting, efficient data caching, and state management.

Backend Engineer(Database Management) Jan/2019 to Dec/2019

https://exante.eu/

Action:

• Design and implement efficient data storage solutions using databases like PostgreSQL, MySQL and MongoDB.

• Develop data processing systems that handle and analyze large volumes of data in real-time or batch processing modes.

• Design and develop secure, scalable, and maintainable APIs to allow seamless integration between different financial systems and services.

• Implement RESTful or GraphQL APIs to facilitate communication between the front-end interface and server-side data.

• Ensure the security of the financial data by implementing robust authentication and authorization

mechanisms using OAuth, JWT.

Impact:

• Achieved a 99.9% system uptime and increased transaction handling efficiency by 50%, maintaining high

performance and data integrity.

• Reduced system vulnerabilities by 40%, enhancing security and compliance.

Frontend and Mobile Engineer Jan/2017 to Oct/2018

https://www.liftango.com/

Action:

• Developed user interfaces for web and mobile applications, ensuring they are intuitive and responsive.

• Implemented design specifications into efficient code, maintaining fidelity to original design specifications.

• Optimized application performance to reduce app load times and improve user experience.

Impact:

• Reduced app load times by 30% and improved cross-browser compatibility by 20%, significantly

enhancing the overall user experience.

• Increased user engagement by 35% through improved app performance and responsiveness.

Education

Master of Science in Computer Science, National University of Singapore, 2017

Certifications

• AWS Certified Solutions Architect – Associate (Issued:Apr2020), Credential ID: HFDO42116139

• Certified Kubernetes Administrator ( Issued: March 2021), Credential ID: CKA-3350-FGD

• PCAP – Certified Associate in Python Programming(Issued: December 2022 ), Credential ID: PCAP-6503-BCVN

• Certified Artificial Intelligence Practitioner (Issued: May 2023), Credential ID: CAIP-2311-OPO

Languages

• Native English

• Native Chinese Speaker

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