Sportline Backend Developer

На данный момент Senior Software Engineer.

Мои компетенции и опыт

Ethan Lim

Singapore | нужен доступ к резюме | нужен доступ к резюме | нужен доступ к резюме

Summary

Experienced Backend Developer with 10+ years of expertise in building scalable, high-performance systems. Proficient in Golang, AWS, and microservices architectures. Focused on designing robust backend systems, optimizing databases, and driving performance improvements in production environments. Adept at leading technical initiatives, ensuring seamless data synchronization, and delivering impactful solutions in fast-paced, client-facing environments. Passionate about designing reliable, scalable, and efficient systems with an emphasis on developer experience and system performance.

Experience

Rescode | Senior Software Engineer May 2022 ~ Present

• Architected backend microservices using Golang and gRPC, improving system scalability by 35%.
• Designed and implemented RESTful APIs, increasing data throughput by 40% for B2B clients.
• Migrated legacy systems to AWS, optimizing cloud infrastructure and reducing operational costs by 20%.
• Implemented ClickHouse for real-time analytics, reducing data processing time by 50%.
• Led efforts to optimize data synchronization across distributed systems, improving data accuracy by 25%.
• Developed and maintained integration tests, improving system stability and reducing bug rates by 30%.
• Collaborated with cross-functional teams (Product, Data, Security) to deliver solutions that improved client satisfaction by 15%.
• Enhanced CI/CD pipeline using GitLab CI, improving deployment frequency by 30%.
• Refined microservices architecture, improving system reliability and reducing latency by 25%.
• Led code reviews, improving team coding practices and increasing code quality by 20%.
• Implemented monitoring and alerting systems with Prometheus/Grafana, reducing downtime by 40%.
• Introduced containerization using Docker, improving deployment speed and consistency.
• Mentored junior engineers, fostering a collaborative and learning-focused environment.
• Reduced cloud costs by optimizing AWS resource usage, saving 18% annually.
• Delivered scalable solutions under tight deadlines, achieving a 95% on-time delivery rate.
• Designed data management solutions that improved query performance by 40%.

Doodle Labs | Senior Full Stack Engineer Apr 2019 ~ Apr 2022

• Developed and optimized backend services in Python and нужен доступ к резюме , improving service response times by 25%.
• Integrated third-party APIs, adding new capabilities to the platform and reducing feature development time by 30%.
• Led a cross-functional team to migrate key components to Kubernetes, improving system reliability and reducing overhead by 20%.
• Built scalable microservices using a cloud-first approach, enabling rapid feature iteration and deployment.
• Implemented caching strategies, reducing database load and improving request speed by 40%.
• Led the development of an event-driven architecture using AWS services, increasing system responsiveness by 25%.
• Spearheaded backend performance optimizations that resulted in a 30% decrease in resource consumption.
• Improved testing coverage by introducing TDD practices, increasing code quality and reducing bugs by 35%.
• Automated infrastructure management using Terraform, cutting deployment time by 25%.
• Enhanced logging and monitoring systems using Sentry, improving issue tracking by 40%.
• Collaborated with data engineers to implement efficient data pipelines, improving processing speed by 15%.
• Designed and implemented a real-time messaging system using WebSockets, improving user engagement.
• Contributed to the platform’s transition to a multi-cloud environment, improving scalability by 20%.
• Increased customer satisfaction by improving the overall performance and reliability of backend systems.
• Facilitated team knowledge sharing and technical decision-making, improving team performance by 10%.

Wise | Full Stack Engineer May 2015 ~ Feb 2019

• Built and maintained backend systems in Java and нужен доступ к резюме for a global financial platform, supporting over 2 million active users.
• Developed and optimized REST APIs, improving system scalability and user experience by 25%.
• Integrated payment processing systems, increasing transaction efficiency by 40%.
• Designed and optimized database schemas, improving query speed and reducing load times by 20%.
• Implemented automated tests and monitoring systems, reducing incident response time by 30%.
• Led performance tuning initiatives, boosting platform throughput by 35%.
• Collaborated with security teams to enhance data encryption, achieving нужен доступ к резюме % uptime.
• Contributed to the migration of core services to AWS, reducing infrastructure costs by 25%.
• Built and maintained data reporting tools, enhancing real-time decision-making for internal teams.
• Collaborated with product teams to prioritize features that led to a 15% increase in customer retention.
• Developed a notification service, improving customer engagement by 10%.
• Implemented continuous integration pipelines that reduced deployment times by 20%.
• Optimized backend algorithms, improving processing efficiency by 30%.
• Conducted regular code reviews, increasing team productivity and reducing defects by 20%.
• Spearheaded the redesign of the microservices architecture, enhancing system performance by 40%.

Education

National University of Singapore Aug 2009 ~ Jul 2013

Bachelor’s Degree in Computer Science

Skills

Backend Development

• Golang
• Microservices Architecture
• RESTful APIs
• gRPC
• Distributed Systems

Databases

• Relational Databases (MySQL, PostgreSQL)
• ClickHouse
• YDB
• Data Synchronization

Cloud & DevOps

• AWS (EC2, S3, Lambda, CloudFormation)
• Docker
• Kubernetes
• GitLab CI

Monitoring & Metrics

• Prometheus
• Grafana
• Sentry

Testing & Debugging

• Unit Testing
• Integration Testing
• Test-Driven Development (TDD)

Collaboration & Tools

• Git
• Agile/Scrum
• Jira
• Slack