Senior Full Stack Engineer (React, Node, Go)

SEUN OLATUNDE

Senior Full Stack Engineer React Node.js Golang Cloud-Native Applications Microservices AWS Kubernetes

Dallas, TX +1-469-***-**** ***************@*****.***

LinkedIn: https://www.linkedin.com/in/seun-olatunde339/

PROFESSIONAL SUMMARY

Senior Full Stack Engineer with 7+ years of experience designing, developing, and delivering enterprise-scale web applications, cloud-native platforms, and distributed systems across technology, healthcare, and networking industries. Proven expertise building modern frontend applications using React.js, Next.js, Angular, TypeScript, and JavaScript while developing scalable backend services with Node.js, Golang, Express.js, NestJS, and Python. Strong experience designing RESTful APIs, GraphQL services, event-driven architectures, and microservices supporting millions of transactions in highly available cloud environments. Hands-on expertise deploying applications across AWS, Microsoft Azure, and Kubernetes using Docker, Terraform, GitHub Actions, Jenkins, and modern DevOps practices. Experienced collaborating with cross-functional Agile teams to modernize legacy platforms, optimize application performance, strengthen application security, and automate software delivery pipelines. Passionate about clean architecture, cloud engineering, AI-assisted software development, scalable system design, and delivering secure, high-quality solutions that improve business outcomes.

TECHNICAL SKILLS

Frontend: React.js, Next.js, Angular, TypeScript, JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, Bootstrap, Redux Toolkit, Context API, Material UI, Responsive Design, WCAG Accessibility

Backend: Node.js, Express.js, NestJS, Golang, Python, Java, Spring Boot, REST APIs, GraphQL, gRPC, Microservices Architecture, Serverless Computing

API & Integration: RESTful Services, GraphQL, OpenAPI (Swagger), Postman, API Gateway, Webhooks, OAuth 2.0, OpenID Connect, JWT Authentication, API Security

Databases: PostgreSQL, MongoDB, MySQL, SQL Server, Redis, DynamoDB, Oracle Database, Prisma ORM, TypeORM, Mongoose

Cloud & DevOps: AWS (EC2, Lambda, S3, RDS, ECS, EKS, CloudWatch, IAM), Microsoft Azure, Google Cloud Platform (GCP), Docker, Kubernetes, Helm, Terraform, GitHub Actions, Jenkins, GitLab CI/CD, ArgoCD

Messaging & Streaming: Apache Kafka, RabbitMQ, Event-Driven Architecture, Asynchronous Messaging, Distributed Systems

Testing & Quality: Jest, Cypress, Playwright, Mocha, Selenium, React Testing Library, Unit Testing, Integration Testing, End-to-End Testing, TDD, SonarQube

Monitoring & Security: Prometheus, Grafana, ELK Stack, Splunk, CloudWatch, OWASP Top 10, RBAC, Encryption, Secrets Management, Secure SDLC

Tools & Methodologies: Git, GitHub, Bitbucket, Jira, Confluence, Agile, Scrum, SDLC, CI/CD, GitHub Copilot, Code Reviews, Pair Programming, Technical Documentation

PROFESSIONAL EXPERIENCE

Senior Full Stack Engineer

Cisco San Jose, CA - July 2022 - Present

Design, develop, and maintain enterprise-grade cloud applications using React.js, TypeScript, Node.js, Golang, and AWS, supporting Cisco's networking and cloud infrastructure platforms.

Architect scalable microservices-based solutions that improve application reliability, scalability, and maintainability across distributed environments.

Build responsive and accessible frontend applications using React, Next.js, Redux Toolkit, and Tailwind CSS, improving user experience and application performance.

Develop secure RESTful APIs and GraphQL services enabling seamless communication between internal platforms, customer portals, and third-party enterprise systems.

Lead modernization initiatives by transforming legacy applications into containerized cloud-native services deployed on Kubernetes.

Design event-driven solutions using Apache Kafka to support high-volume, real-time processing while reducing application latency.

Implement Infrastructure as Code using Terraform, enabling automated provisioning of cloud resources and consistent deployment environments.

Build and optimize CI/CD pipelines using GitHub Actions, Jenkins, Docker, and Kubernetes, significantly accelerating software release cycles.

Improve application performance through database optimization, Redis caching strategies, asynchronous processing, and efficient API architecture.

Strengthen platform security by implementing OAuth 2.0, OpenID Connect, JWT authentication, RBAC, and enterprise security best practices aligned with Secure SDLC.

Monitor production environments using Prometheus, Grafana, ELK Stack, and AWS CloudWatch, proactively identifying performance bottlenecks and reducing incident resolution time.

Collaborate closely with architects, product managers, QA engineers, UX designers, and DevOps teams throughout Agile development cycles, delivering high-quality software that consistently meets business objectives.

Senior Full Stack Engineer

Dell Technologies Round Rock, TX - April 2020 - June 2022

Designed and developed enterprise full-stack applications using React.js, TypeScript, Node.js, Express.js, and Golang, supporting internal business systems and customer-facing platforms.

Modernized legacy monolithic applications into microservices-based architectures, improving scalability, maintainability, and deployment efficiency.

Developed reusable frontend components and shared UI libraries that accelerated development and ensured consistency across multiple engineering teams.

Built secure RESTful APIs and GraphQL services enabling seamless integration with enterprise applications, cloud services, and third-party platforms.

Implemented Apache Kafka and RabbitMQ to support event-driven communication, asynchronous processing, and reliable message delivery.

Optimized application performance through Redis caching, database tuning, API optimization, and frontend performance improvements, significantly reducing response times.

Containerized applications using Docker and supported deployments to Kubernetes clusters while collaborating with DevOps teams on infrastructure automation.

Automated software delivery pipelines using Jenkins, GitLab CI/CD, Terraform, and GitHub, improving deployment frequency and reducing manual release efforts.

Strengthened application quality by implementing Jest, Cypress, Selenium, and automated integration testing, increasing code coverage and reducing production defects.

Participated in Agile ceremonies, architectural design sessions, peer code reviews, and technical mentoring while promoting engineering best practices and continuous improvement.

Full Stack Developer

CVS Health Woonsocket, RI - October 2017 - March 2020

Developed scalable healthcare applications using React.js, Angular, Node.js, Spring Boot, and PostgreSQL, supporting patient services and internal clinical operations.

Assisted in migrating legacy healthcare applications into cloud-ready microservices architectures, improving application availability and long-term maintainability.

Designed and implemented secure REST APIs enabling seamless integration between healthcare applications, enterprise databases, and third-party systems.

Improved application responsiveness through frontend optimization, efficient state management, query optimization, and Redis-based caching strategies.

Developed reusable UI components that improved consistency across multiple healthcare applications while reducing overall development effort.

Built automated CI/CD pipelines using Jenkins and GitLab CI/CD, enabling faster software releases and improving deployment reliability.

Implemented authentication and authorization using OAuth 2.0, JWT, and role-based access control (RBAC) to strengthen application security and regulatory compliance.

Created automated test suites using Jest, Mocha, and Cypress, improving software quality, reducing regression issues, and supporting continuous delivery.

Collaborated with business analysts, QA engineers, architects, and clinical stakeholders throughout Agile development cycles to deliver secure, high-quality software solutions.

Contributed to application monitoring, production support, root cause analysis, and performance tuning, improving platform stability and user satisfaction.

ENTERPRISE PROJECTS

Cloud-Native Enterprise Operations Platform

Designed and developed a cloud-native enterprise platform using React.js, Node.js, Golang, PostgreSQL, Redis, Docker, and Kubernetes.

Built secure RESTful APIs and GraphQL services supporting enterprise integrations and high-volume business transactions.

Automated infrastructure provisioning using Terraform and implemented CI/CD pipelines through GitHub Actions and Jenkins.

Improved platform scalability, deployment reliability, and application performance through Kubernetes orchestration and cloud-native architecture.

Real-Time Analytics & Monitoring Platform

Developed a distributed analytics platform using React, Node.js, Apache Kafka, Redis, MongoDB, and AWS.

Designed event-driven microservices capable of processing real-time operational data across multiple enterprise applications.

Implemented monitoring using Prometheus, Grafana, ELK Stack, and AWS CloudWatch, enabling proactive performance monitoring and faster incident resolution.

Enhanced application security using OAuth 2.0, JWT authentication, encryption, and enterprise identity management best practices.

EDUCATION

Bachelor of Science - Animal Science - University of Agriculture 2005 - 2010

Advanced Diploma - Software Engineering - Aptech Institute 2010 - 2012

Information Technology - Data Analytics - Colaberry School of Data Analytics 2019

CERTIFICATIONS

AWS Machine Learning Specialty

Microsoft Certified: Azure Administrator Associate

AWS Data Analytics Certification

Agile Scrum Certification

Scrum Product Owner Certification

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