Open to opportunities

Nwaekwu David

@nwaekwudavid

Message

Experienced Blockchain & Backend Data Engineer with a passion for innovation.

Nigeria

Message

What I'm looking for

I am looking for a role that fosters innovation, collaboration, and continuous learning, where I can leverage my skills in blockchain and data engineering to drive impactful projects.

I am a dedicated Blockchain & Backend Data Engineer with a strong academic background, holding a Bachelor of Science in Computer Science from the University of Lagos, where I graduated with a first-class GPA of 4.77/5.0. My professional journey has been marked by significant contributions to various projects, particularly in the blockchain and data engineering domains. I have designed and built decentralized data ingestion pipelines and high-performance APIs that have transformed how organizations analyze and utilize data.

Throughout my career, I have successfully led teams and projects that focus on optimizing data processing and enhancing user experiences. My work at Terrace involved architecting a blockchain-powered data ingestion pipeline that processes over 1TB of raw transaction logs, significantly improving data processing latency and accuracy. I am passionate about leveraging technology to solve complex problems and drive innovation in the industry.

In addition to my technical skills, I take pride in mentoring aspiring engineers, helping them navigate the complexities of data structures, algorithms, and system design. I believe in fostering a culture of continuous learning and collaboration, which has resulted in substantial improvements in code quality and team performance.

Experience

Work history, roles, and key accomplishments

Current

Blockchain & Backend Data Engineer

Current

Terrace

Nov 2024 - Present (8 months)

Designed the architecture and built a decentralized, blockchain-powered data ingestion pipeline that processes over 1TB of raw blockchain transaction logs, transforming into internal data structures used for building asset pairs and analysing market trends. Leveraged Go, blockchain RPC interfaces, and smart contract interactions to aggregate blockchain trade data into low-latency OHLC candlestick

Blockchain Go)Smart Contracts Redis

Current

Backend Engineer

Current

Nithub

Sep 2022 - Present (2 years 10 months)

Provided intensive mentorship to over 270 students and interns, covering advanced topics in data structures, algorithms, system design, database architecture, API development, and core backend principles. Conducted comprehensive code reviews, delivering expert technical guidance to junior developers, which resulted in a 40% improvement in code quality and cultivated a culture of continuous learnin

Data Structures Algorithms System Design Database Architecture API Development Code Review WebSockets

Backend & Data Engineer

Verbena Logic

Aug 2024 - Present (11 months)

Managed a school portal for over 35,000+ students, streamlining the payment of school fees, course registration, and other services. Built an ELT pipeline providing real-time analytics for school administration. Developed a comprehensive migration tool for MySQL, PostgreSQL, Cassandra and MongoDB, streamlining data migration processes and reducing migration time by 60%.

MySQL PostgreSQL Cassandra MongoDB Retrieval Augmented Generation (RAG)Apache Airflow AWS RedShift AWS Glue

Lead Backend Engineer

HostCamp

Mar 2023 - Present (2 years 4 months)

Led the development of Africa’s first Infrastructure-as-a-Service (IaaS) platform with over 150 users, providing scalable and secure cloud solutions for local developers. Engineered the system for creating Virtual Machines (VMs) using Kernel Virtual Machine (KVM), utilizing networking and Kubernetes principles in orchestrating interactions between Virtual Machines.

IaaS KVM Networking Kubernetes OAuth 2.0

Backend Engineer

Therapi

May 2020 - Present (5 years 2 months)

Mitigated timeout issues when downloading large reports by developing an asynchronous report download system leveraging AWS S3 and Redis Queues. Increased scalability by implementing three microservices (Email service, SMS and Real-Time Push Notifications) offloading requests from the main server, managing database migrations with Alembic and data validation with Pydantic.

AWS S3 Microservices Alembic Pydantic Payment Gateways

Backend Engineer

A3get

Mar 2019 - Present (6 years 4 months)

Engineered a slide generation application that improved students and teachers educational interaction by 71%. Implemented a file extraction service for audio, video, types documents and handwritten notes using Node Js and Azure.

Node Azure Docker CI CD AWS Virtual Wallet System

Education

Degrees, certifications, and relevant coursework

University of Lagos

Bachelor of Science, Computer Science

Grade: 4.77/5.0 (First class)

Activities and societies: Relevant Courses: Data Structures and Algorithms, Automata Theory, Operating Systems, System Design, Networking, Calculus.

Achieved a First Class with a GPA of 4.77/5.0 in Computer Science. Focused on core computer science principles including Data Structures and Algorithms, Operating Systems, and System Design.