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I am a highly skilled Software Development Engineer II currently working at Amazon AWS Cloudwatch Technologies. My expertise spans multiple programming languages and tools including Python, Java, Bash, Ruby, Kafka, Redis, SpringBoot, AWS, PostgreSQL, MySQL, Node.js, DynamoDB, and GCP. Throughout my career, I have successfully designed and implemented automated payment and subscription services, enhanced authentication strategies, and contributed significantly to various cloud and backend projects. I have deep experience in financial technology, particularly in payment processing, loan disbursement automation, and reconciliation services. I excel at discovering and mitigating fraudulent activities, improving system performance drastically, and refactoring critical software components. My work has been recognized by top management, and I continue to innovate and deliver scalable solutions across multiple sectors and organizations.…I am a highly skilled Software Development Engineer II currently working at Amazon AWS Cloudwatch Technologies. My expertise spans multiple programming languages and tools including Python, Java, Bash, Ruby, Kafka, Redis, SpringBoot, AWS, PostgreSQL, MySQL, Node.js, DynamoDB, and GCP. Throughout my career, I have successfully designed and implemented automated payment and subscription services, enhanced authentication strategies, and contributed significantly to various cloud and backend projects. I have deep experience in financial technology, particularly in payment processing, loan disbursement automation, and reconciliation services. I excel at discovering and mitigating fraudulent activities, improving system performance drastically, and refactoring critical software components. My work has been recognized by top management, and I continue to innovate and deliver scalable solutions across multiple sectors and organizations.

Olalekan Lukman Hammed

Developer, Full Stack Developer, Back-End Developer, +1

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I am a highly skilled Software Development Engineer II currently working at Amazon AWS Cloudwatch Technologies. My expertise spans multiple programming languages and tools including Python, Java, Bash, Ruby, Kafka, Redis, SpringBoot, AWS, PostgreSQL, MySQL, Node.js, DynamoDB, and GCP. Throughout my career, I have successfully designed and implemented automated payment and subscription services, enhanced authentication strategies, and contributed significantly to various cloud and backend projects. I have deep experience in financial technology, particularly in payment processing, loan disbursement automation, and reconciliation services. I excel at discovering and mitigating fraudulent activities, improving system performance drastically, and refactoring critical software components. My work has been recognized by top management, and I continue to innovate and deliver scalable solutions across multiple sectors and organizations.…I am a highly skilled Software Development Engineer II currently working at Amazon AWS Cloudwatch Technologies. My expertise spans multiple programming languages and tools including Python, Java, Bash, Ruby, Kafka, Redis, SpringBoot, AWS, PostgreSQL, MySQL, Node.js, DynamoDB, and GCP. Throughout my career, I have successfully designed and implemented automated payment and subscription services, enhanced authentication strategies, and contributed significantly to various cloud and backend projects. I have deep experience in financial technology, particularly in payment processing, loan disbursement automation, and reconciliation services. I excel at discovering and mitigating fraudulent activities, improving system performance drastically, and refactoring critical software components. My work has been recognized by top management, and I continue to innovate and deliver scalable solutions across multiple sectors and organizations.

Available to hire

I am a highly skilled Software Development Engineer II currently working at Amazon AWS Cloudwatch Technologies. My expertise spans multiple programming languages and tools including Python, Java, Bash, Ruby, Kafka, Redis, SpringBoot, AWS, PostgreSQL, MySQL, Node.js, DynamoDB, and GCP. Throughout my career, I have successfully designed and implemented automated payment and subscription services, enhanced authentication strategies, and contributed significantly to various cloud and backend projects.

I have deep experience in financial technology, particularly in payment processing, loan disbursement automation, and reconciliation services. I excel at discovering and mitigating fraudulent activities, improving system performance drastically, and refactoring critical software components. My work has been recognized by top management, and I continue to innovate and deliver scalable solutions across multiple sectors and organizations.

Skills

Experience Level

Expert

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Intermediate

Work Experience

Software Development Engineer II at Amazon AWS Cloudwatch

September 1, 2023 - Present

Developed automated settlement services to streamline payment collections and a subscription service managing tiered feature access on the Oze app. Initiated automated loan disbursement by integrating approved loans from Suntrust and Ecobank. Established reconciliation services for POS payments including chargebacks and issuer resolution. Discovered and shut down a cron job causing fraudulent commission debits and credits totaling over $380,766. Implemented Auth-On-Startup authentication validations boosting performance by 1000% and reducing latency by 500%. Enhanced Odin's secret credentials injector to rotate secrets every 2 hours. Led refactoring of Autotester to dynamically load credential update strategies reducing update time from 1 hour to 2 seconds.

Senior Software Engineer - contract at Oze Inc.

June 30, 2023 - August 22, 2025

Improved indexing strategy on OpenSearch clusters extending the end-of-life from 1 year to 12 years. Led development of Oze Pay Service integrating with PSPs and PTSPs across multiple countries enabling payments processing around $90,000 monthly.

Senior Backend Engineer (Bundle Team) at Binance

July 31, 2022 - August 22, 2025

Championed the creation and architecture of a crypto service integrating payment providers like Pagatech and Astropay for virtual and hosted payment pages. Discovered and recovered 69% of locked funds misallocated due to ongoing orders. Created audit services ensuring balanced credits and debits for transactions. Integrated third-party courier services for physical debit card delivery. Developed various API endpoints for mobile app CRUD operations. Solely created and maintained integrations with third party APIs such as SendGrid, Kirusa, Twilio, and Africa-is-talking. Redesigned billing service to use abstract factory patterns for multi-provider bill payments. Created collection and payout products facilitating merchant payments and mass payouts, supporting 10,000 monthly merchant transactions approximately $90,000. Championed government identity card integration reducing fraudulent account creation by 97% through a scoring algorithm validating customer onboarding data.

Software Engineer - contract at Carbon

April 30, 2021 - August 22, 2025

Created a serverless eligibility service for customer eligibility evaluation using Redis, Node.js, MySQL, SpringBoot, and DynamoDB.

Software Engineer at Mint

January 31, 2021 - August 22, 2025

Worked with CTO to create card services interfacing third-party APIs (Interswitch) supporting over 5,000 card transactions daily using GCP, Kafka, Node.js, PostgreSQL, and SpringBoot.

Software Engineer at Cosmic Intelligent Labs (KUDI)

July 31, 2020 - August 22, 2025

Built a real-time commission payment platform remitting commissions to customers for multi-level marketing, processing over 2 million payments daily using GCP, Java, Kafka, MySQL, and SpringBoot.