Bliss Abhademere

Backend Developer | Scalable APIs & Databases

Salary / Daily rate

Lagos, Nigeria

Freelance, open to permanent contract

Remote only

Skills

AWS LambdaDockerTypescriptMicroservicesNestPostgreSQLKafka

Languages

English

About me

Intro

Backend developer with 2+ years of expertise in building scalable APIs and serverless architectures. Proven track record of reducing system errors by 80%, increasing subscription uptake by 50%, and boosting user engagement by 30% through optimized database solutions and payment integrations. Specialized in AWS, microservices, and MVP development that drives measurable revenue growth.

Links

Work experience

Software Engineer

Naistro

Oct 2024 - Present

2 years 1 month

Dubai - United Arab Emirates

Migrated playlist scheduling and interruption logic (ads, prayers, birthdays) from the frontend to the backend using the Serverless Framework with AWS Lambda and SQL queries, reducing scheduling errors by 80%. Engineered an audio normalization system using FFmpeg and Docker, integrating S3 for storage and SQS to queue files for processing, ensuring consistent volume levels across all interruptions. Designed and implemented CI/CD pipelines using Docker Compose and AWS ECS for both development and production environments, maintaining 100% test coverage and reducing deployment issues by 60%.

Technical Writer

Hit SubscribeFreelance

Apr 2023 - May 2025

2 years 2 months

Cassopolis, MI 49031, USA

Backend Developer

CredPal

Feb 2024 - Oct 2024

9 months

Lagos, Nigeria

Engineered and deployed a robust subscription model with integrated free trials and automated updates via webhooks, achieving a 50% increase in subscription uptake within the first three months. Designed and integrated a comprehensive card payment and transaction management system, enhancing transaction success rates by 40% and reducing payment discrepancies. Implemented a dual-channel notification system using industry-leading email and push notification services, tied into Kafka topics for real-time alerts on savings and investment activities, improving customer engagement by 30%.

Backend developer

OurPass (Techstars '21)

Apr 2023 - Mar 2024

1 year

Delaware, OH 43015, USA

Spearheaded the development of an efficient admin dashboard in a cross-functional team of 10 backend engineers, achieving a 30% increase in operational efficiency. Designed and implemented features that streamlined the approval process for bank and POS transactions, refunds, and user KYC verification, reducing processing times by 40%. Played a pivotal role in creating functionality for account upgrades and business loan approvals, contributing to a 25% increase in user engagement and a 20% revenue boost. Configured RabbitMQ message queues for asynchronous task processing, enabling the system to handle a 50% increase in concurrent tasks and ensuring real-time execution. Leveraged TypeORM to optimize database interactions, resulting in a 40% reduction in data retrieval times and a 30% decrease in storage costs.

Back End Developer

QuantBall

Dec 2022 - Mar 2023

4 months

Rome, Metropolitan City of Rome Capital, Italy

Collaborated with a 10-member agile team to deploy an MVP, optimizing the product based on user feedback and achieving over 500 leads with a 15% conversion rate. Implemented SSR build optimizations for 25% faster rendering, improving performance and user experience. Achieved a 30% faster data retrieval and manipulation through the database implementation using Prisma and PostgreSQL.


Education

AltSchool Africa

Software Engineering

2022 - 2023

1 year 4 months

Yaba College of Technology, Yaba, Lagos

OND

2018 - 2021

3 years 1 month

Portfolio

Livio Food App

The best place to find your next move

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