Braqqet.co
Developed scalable Node.js backend with Redis, MongoDB, and Elasticsearch.
Full Stack Engineer
Full-time available
Bio
Olajuwon L. is a seasoned Senior Software Engineer with 6+ years delivering scalable, high-availability systems across finance, telecom, and social commerce, excelling in distributed systems, microservices, REST APIs, event-driven architectures, payments integration, system design, CI/CD, DevOps, Agile leadership, mentoring, and clean code/design patterns; he is proficient in Java, Node.js, TypeScript, JavaScript, Spring Boot, Vert.x, NestJS, ReactJS, React, React Native, React/Redux, Laravel, Kotlin, WordPress, and…
Expertise
JavaNodeJSReactKubernetesMongoDBKafkaWordPressSQLPHPCSSHTMLPythonAWSReact NativeTypescriptJavascriptGitDatabase:RelationalDatabase:CacheingLaravel
Video Intro
Assessments
Perfect score on Find the Length of the Longest Substring Without Repeating Characters, Diffculty Easy · Great score on Implement an LRU Cache Algorithm, Diffculty Medium · Great score on Real-Time Dashboard in React, Diffculty Medium · Great score on Discuss the Advantages of Context API vs. Redux in React, Diffculty Medium
Projects
Concher.app
Designed event booking backend with NestJS, PostgreSQL (TypeORM), Redis, and Docker.
Experience
Senior Software Engineer
Vendy (YC W22)May 2024 — Present- Leading backend service development powering customer-facing and internal tools.
- Implemented fault-tolerant microservices with Java, Vert.x, and Node.js for order management, metrics tracking (InfluxDB), and real-time data.
- Designed scalable data pipelines and optimized queries for high throughput and low-latency data access.
- Collaborated cross-functionally with product and customer support teams to reduce resolution time by 40%.
JavaVert.xNode.jsMySQLSequelizeInfluxDBDockerKubernetesAWSkafkaMeta Whatsapp apiSenior Backend Engineer
TM30 Global LtdJun 2023 — Apr 2024- Architected and maintained backend systems for banking and telecom clients.
- Championed CI/CD implementation using GitLab, Kubernetes, and Docker, reducing deployment times by 70%.
- Mentored junior developers and guided onboarding processes.
- Integrated Elasticsearch to power enterprise search capabilities across APIs.
- Lead a team to develop card processing infrastructures
Java (Spring Boot)Node.jsTypeScriptReactJSElasticsearchPostgreSQLkubernetesdockerrabbitmqpostgresmysqltrelloSoftware Engineer
PMGLOBAL TechnologiesJan 2023 — May 2023- Developed high-performing backend services and APIs for client projects using Java and Node.js.
- Delivered cross-platform mobile apps using React Native and web apps in React/Redux.
- Led intern onboarding and training programs.
JavaNode.jsReact NativeReact/ReduxFullstack Engineer
CollabNow IncApr 2022 — Dec 2022- Built and optimized real-time communication systems using WebRTC and Mediasoup.
- Delivered production-grade mobile and web apps with continuous delivery pipelines (CodePush).
WebRTCMediasoupFullstack Developer
TM30 GlobalFeb 2021 — Mar 2022- Developed a WhatsApp-based fintech bot using Java and Twilio, processing real-time transactions.
- Implemented RabbitMQ and Redis for async communication and caching.
- Spearheaded backend development for savings apps (Adashi, EduSponsor) and supported Laravel/React integrations.
JavaTwilioRabbitMQRedisLaravelReactFullstack Developer
Broadview Properties LtdJan 2020 — Dec 2020- Built and deployed a property listing platform from scratch.
- Owned backend services (Spring Boot) and frontend development (ReactJS).
Spring BootReactJSmysqlelastic searchDeveloper Relations
PaystackFeb 2025 — Present- Supporting developer community engagement and technical advocacy for Paystack's payment infrastructure.
- Building relationships with developers and creating technical content to drive API adoption.
reactjavakotlinnodejswordpresspaystack inline js
Education
B.Sc. Information & Communication Technology
Crawford University, NigeriaNigeria2010 — 2014Google Africa Developer Scholarship (Android Track)
PluralsightLagos, nigeria2020 — 2020ALX Africa Software Engineering Program
August Cohort 2021Lagos, Nigeria2021 — 2021Java J2EE Training
New HorizonsIkeja, Lagos, Nigeria2011 — 2011
Full Stack Engineer
Full-time available
Olajuwon is available for hire
Schedule an interview14 days risk-free trial · No commitments · We handle contracts and payroll
Bio
Olajuwon L. is a seasoned Senior Software Engineer with 6+ years delivering scalable, high-availability systems across finance, telecom, and social commerce, excelling in distributed systems, microservices, REST APIs, event-driven architectures, payments integration, system design, CI/CD, DevOps, Agile leadership, mentoring, and clean code/design patterns; he is proficient in Java, Node.js, TypeScript, JavaScript, Spring Boot, Vert.x, NestJS, ReactJS, React, React Native, React/Redux, Laravel, Kotlin, WordPress, and…
- Projects completed5
- Hourly rate
- 4+ years experience
- Member since Oct 2025
Expertise
JavaNodeJSReactKubernetesMongoDBKafkaWordPressSQLPHPCSSHTMLPythonAWSReact NativeTypescriptJavascriptGitDatabase:RelationalDatabase:CacheingLaravel
Video Intro
Assessments
Perfect score on Find the Length of the Longest Substring Without Repeating Characters, Diffculty Easy · Great score on Implement an LRU Cache Algorithm, Diffculty Medium · Great score on Real-Time Dashboard in React, Diffculty Medium · Great score on Discuss the Advantages of Context API vs. Redux in React, Diffculty Medium
Projects
Braqqet.co
Developed scalable Node.js backend with Redis, MongoDB, and Elasticsearch.
Concher.app
Designed event booking backend with NestJS, PostgreSQL (TypeORM), Redis, and Docker.
Experience
Senior Software Engineer
Vendy (YC W22)May 2024 — Present- Leading backend service development powering customer-facing and internal tools.
- Implemented fault-tolerant microservices with Java, Vert.x, and Node.js for order management, metrics tracking (InfluxDB), and real-time data.
- Designed scalable data pipelines and optimized queries for high throughput and low-latency data access.
- Collaborated cross-functionally with product and customer support teams to reduce resolution time by 40%.
JavaVert.xNode.jsMySQLSequelizeInfluxDBDockerKubernetesAWSkafkaMeta Whatsapp apiSenior Backend Engineer
TM30 Global LtdJun 2023 — Apr 2024- Architected and maintained backend systems for banking and telecom clients.
- Championed CI/CD implementation using GitLab, Kubernetes, and Docker, reducing deployment times by 70%.
- Mentored junior developers and guided onboarding processes.
- Integrated Elasticsearch to power enterprise search capabilities across APIs.
- Lead a team to develop card processing infrastructures
Java (Spring Boot)Node.jsTypeScriptReactJSElasticsearchPostgreSQLkubernetesdockerrabbitmqpostgresmysqltrelloSoftware Engineer
PMGLOBAL TechnologiesJan 2023 — May 2023- Developed high-performing backend services and APIs for client projects using Java and Node.js.
- Delivered cross-platform mobile apps using React Native and web apps in React/Redux.
- Led intern onboarding and training programs.
JavaNode.jsReact NativeReact/ReduxFullstack Engineer
CollabNow IncApr 2022 — Dec 2022- Built and optimized real-time communication systems using WebRTC and Mediasoup.
- Delivered production-grade mobile and web apps with continuous delivery pipelines (CodePush).
WebRTCMediasoupFullstack Developer
TM30 GlobalFeb 2021 — Mar 2022- Developed a WhatsApp-based fintech bot using Java and Twilio, processing real-time transactions.
- Implemented RabbitMQ and Redis for async communication and caching.
- Spearheaded backend development for savings apps (Adashi, EduSponsor) and supported Laravel/React integrations.
JavaTwilioRabbitMQRedisLaravelReactFullstack Developer
Broadview Properties LtdJan 2020 — Dec 2020- Built and deployed a property listing platform from scratch.
- Owned backend services (Spring Boot) and frontend development (ReactJS).
Spring BootReactJSmysqlelastic searchDeveloper Relations
PaystackFeb 2025 — Present- Supporting developer community engagement and technical advocacy for Paystack's payment infrastructure.
- Building relationships with developers and creating technical content to drive API adoption.
reactjavakotlinnodejswordpresspaystack inline js
Education
B.Sc. Information & Communication Technology
Crawford University, NigeriaNigeria2010 — 2014Google Africa Developer Scholarship (Android Track)
PluralsightLagos, nigeria2020 — 2020ALX Africa Software Engineering Program
August Cohort 2021Lagos, Nigeria2021 — 2021Java J2EE Training
New HorizonsIkeja, Lagos, Nigeria2011 — 2011
Similar developers
We have moreWith similar skills.
Other vetted developers with similar skills and experience
JavaPythonJavascriptNodeJS
