Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Abdulquadri Adewale Mumuney, a Senior Java Backend Developer with over a decade of experience building scalable microservices, data pipelines, and cloud-based solutions. I enjoy turning complex requirements into clean, well-tested code and helping teams ship reliable software on time. I thrive in collaborative, remote-friendly environments and continually seek to improve CI/CD processes, code quality, and system robustness. I’m drawn to technologies like Kafka, GraphQL, and cloud-native architectures, and I enjoy mentoring teammates and sharing best practices to help everyone deliver better software faster.…Hi, I’m Abdulquadri Adewale Mumuney, a Senior Java Backend Developer with over a decade of experience building scalable microservices, data pipelines, and cloud-based solutions. I enjoy turning complex requirements into clean, well-tested code and helping teams ship reliable software on time. I thrive in collaborative, remote-friendly environments and continually seek to improve CI/CD processes, code quality, and system robustness. I’m drawn to technologies like Kafka, GraphQL, and cloud-native architectures, and I enjoy mentoring teammates and sharing best practices to help everyone deliver better software faster.

Abdulquadri Adewale Mumuney

Back-End Developer, Web Developer, Full Stack Developer, +2





Hi, I’m Abdulquadri Adewale Mumuney, a Senior Java Backend Developer with over a decade of experience building scalable microservices, data pipelines, and cloud-based solutions. I enjoy turning complex requirements into clean, well-tested code and helping teams ship reliable software on time. I thrive in collaborative, remote-friendly environments and continually seek to improve CI/CD processes, code quality, and system robustness. I’m drawn to technologies like Kafka, GraphQL, and cloud-native architectures, and I enjoy mentoring teammates and sharing best practices to help everyone deliver better software faster.…Hi, I’m Abdulquadri Adewale Mumuney, a Senior Java Backend Developer with over a decade of experience building scalable microservices, data pipelines, and cloud-based solutions. I enjoy turning complex requirements into clean, well-tested code and helping teams ship reliable software on time. I thrive in collaborative, remote-friendly environments and continually seek to improve CI/CD processes, code quality, and system robustness. I’m drawn to technologies like Kafka, GraphQL, and cloud-native architectures, and I enjoy mentoring teammates and sharing best practices to help everyone deliver better software faster.

Available to hire

Hi, I’m Abdulquadri Adewale Mumuney, a Senior Java Backend Developer with over a decade of experience building scalable microservices, data pipelines, and cloud-based solutions. I enjoy turning complex requirements into clean, well-tested code and helping teams ship reliable software on time.

I thrive in collaborative, remote-friendly environments and continually seek to improve CI/CD processes, code quality, and system robustness. I’m drawn to technologies like Kafka, GraphQL, and cloud-native architectures, and I enjoy mentoring teammates and sharing best practices to help everyone deliver better software faster.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Finnish

Advanced

Work Experience

Senior Java Backend Developer at RBM Software Inc. - RH Client

March 1, 2024 - Present

Senior Java Backend Developer for RBM Software Inc. on RH Client. Contributed to the Concierge Project Services Team by developing Spring Boot APIs (up to 10 endpoints) with domain-specific constraints to maintain MongoDB data integrity. Led the DCI Catalog Team, providing guidance on data processing pitfalls and implementing RESTful endpoints aligned with existing API contracts to minimize client changes. Contributed to Apache Flink jobs for SKU, price, and inventory data processing. Key achievements include upgrading the Concierge project on schedule, boosting API performance from seconds/milliseconds to microseconds, improving system stability through domain constraints and comprehensive unit tests, and migrating data to ClickHouse via Flink jobs. Provided full application lifecycle support from development through deployment and monitoring.

Senior Java Backend Developer at RBM Software Inc. - RH Client

December 1, 2022 - December 31, 2023

Mercury Catalog Team: Developed Spring Boot microservices connected to MongoDB as part of migrating from an Oracle ATG monolith. Delivered REST and GraphQL APIs for product catalog data. NextGen Kafka Consumer Team: Created a Spring Boot microservice that consumes catalog data from Kafka topics and updates a Fusion database optimized for search. Built a Grafana dashboard to monitor service health and Kafka metrics. Key achievements include becoming the go-to Kafka expert, driving stability improvements, and optimizing performance across microservices.

Senior Java Backend Developer at Insign Gmbh

February 1, 2022 - December 31, 2022

Ecommerce Engineering Support: Maintained and supported multi-tenant ecommerce applications built on Play Framework and MySQL; monitored AWS logs for issue investigation; delivered numerous bug fixes (up to 30 tickets) and managed release cycles coordinated with business teams. Release processes automated via GitLab CI/CD.

Senior Java Backend Software Engineer at Vero - True social (Social Media Platform)

November 1, 2016 - April 1, 2020

Code Reviews: Reduced development and live testing errors by participating in daily code reviews. Project Management: Improved communication among remote colleagues using Jira, Slack, and Zoom. Bug Fixing: Reduced GitHub issues backlog by half. Core Feature Design & Implementation: Implemented Games Posts and App Posts using Vert.x; exposed REST APIs to internal and third-party services (42matters, Apple/Google APIs, Cassandra). Test Coverage: Improved test coverage and drove CI deployments. Key Achievements: Enabled Vero release 2.0 and grew user base from thousands to close to 2 million by delivering core features and improvements.

Software Engineering Lead, Java at i.Sec

June 1, 2010 - October 31, 2016

Debit Card Transaction Control: Designed and built a card control system for real-time approvals/declines delivered via mobile and USSD, integrating with Core Banking Apps and Front End Processors using ISO8583. 2-Factor Authentication solution: Built an indigenous out-of-band 2FA solution via mobile push prompts. USSD Payment Solution: Implemented USSD-based payment notifications, improving remittance rates and reducing churn. Airtime Vending Middleware: REST API access for trading partners; Field Force Management; Mobile Banking Agency App; Continuous Delivery: end-to-end automation from Bitbucket to Digital Ocean and server deployments; Team Growth: expanded engineering team from 1 to 5.