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Full-stack software engineer with strong experience building microservice architectures, designing and integrating APIs, and developing data-intensive backend systems. Proficient with Node.js, TypeScript, PostgreSQL/PostGIS, and cloud-native infrastructure across e-commerce analytics, geospatial platforms, and blockchain-based systems. Previously part of a founding engineering team building large-scale data ingestion and subscription platforms. Also builds open-source tools, including a clinic management system aimed at helping healthcare providers in Nigeria digitize patient records and reduce reliance on fragile paper workflows. Focused on delivering reliable systems, clean architecture, and practical software that solves real-world problems.…Full-stack software engineer with strong experience building microservice architectures, designing and integrating APIs, and developing data-intensive backend systems. Proficient with Node.js, TypeScript, PostgreSQL/PostGIS, and cloud-native infrastructure across e-commerce analytics, geospatial platforms, and blockchain-based systems. Previously part of a founding engineering team building large-scale data ingestion and subscription platforms. Also builds open-source tools, including a clinic management system aimed at helping healthcare providers in Nigeria digitize patient records and reduce reliance on fragile paper workflows. Focused on delivering reliable systems, clean architecture, and practical software that solves real-world problems.

Zhikrullah IGBALAJOBI

PRO

Full Stack Developer, Back-End Developer, Front-End Developer, +4

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Full-stack software engineer with strong experience building microservice architectures, designing and integrating APIs, and developing data-intensive backend systems. Proficient with Node.js, TypeScript, PostgreSQL/PostGIS, and cloud-native infrastructure across e-commerce analytics, geospatial platforms, and blockchain-based systems. Previously part of a founding engineering team building large-scale data ingestion and subscription platforms. Also builds open-source tools, including a clinic management system aimed at helping healthcare providers in Nigeria digitize patient records and reduce reliance on fragile paper workflows. Focused on delivering reliable systems, clean architecture, and practical software that solves real-world problems.…Full-stack software engineer with strong experience building microservice architectures, designing and integrating APIs, and developing data-intensive backend systems. Proficient with Node.js, TypeScript, PostgreSQL/PostGIS, and cloud-native infrastructure across e-commerce analytics, geospatial platforms, and blockchain-based systems. Previously part of a founding engineering team building large-scale data ingestion and subscription platforms. Also builds open-source tools, including a clinic management system aimed at helping healthcare providers in Nigeria digitize patient records and reduce reliance on fragile paper workflows. Focused on delivering reliable systems, clean architecture, and practical software that solves real-world problems.

Available to hire

Abeokuta, Nigeria

Full-stack software engineer with strong experience building microservice architectures, designing and integrating APIs, and developing data-intensive backend systems. Proficient with Node.js, TypeScript, PostgreSQL/PostGIS, and cloud-native infrastructure across e-commerce analytics, geospatial platforms, and blockchain-based systems.

Previously part of a founding engineering team building large-scale data ingestion and subscription platforms. Also builds open-source tools, including a clinic management system aimed at helping healthcare providers in Nigeria digitize patient records and reduce reliance on fragile paper workflows.

Focused on delivering reliable systems, clean architecture, and practical software that solves real-world problems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Full-Stack Engineer at Lengo AI

June 1, 2025 - Present

Built the Lengo Platform backend from the ground up on GCP, leveraging PostgreSQL to geospatially match client shops and points of interest across administrative units. Optimized shop data retrieval from ~20s to <1s using spatial indexing and geo-base lookups. Implemented an AI chatbot using OpenAI embeddings enabling secure, access-level–based knowledge retrieval. Set up CI/CD pipelines for backend and frontend services via Cloud Run, Firebase, and GitHub Actions, automating deployments and reducing manual ops by 80%.

Senior Full-Stack Engineer at BreezeLearn (Tapvigo / CozyIntro / BreezeFlow Projects)

December 31, 2025 - December 31, 2025

Designed and deployed end-to-end CI/CD pipelines using GitHub Actions, AWS App Runner, and Slack notifications—reducing release cycles from 2 hours to 15 minutes and maintaining 99.9% uptime. Migrated legacy infra from a fragile structure to serverless AWS App Runner, reducing ops costs by 30%. Built JWT authentication with token refresh and RBAC to eliminate unauthorized API access (90% security improvement). Integrated Stream.io video calling with end-to-end encryption for secure communication. Revamped the frontend using React.js + Tailwind CSS, improving Core Web Vitals by 60% and boosting mobile retention by 40%. Integrated OpenAI-powered AI agents to enhance platform intelligence and user interaction.

Founding Engineer at Alqen

December 31, 2024 - December 31, 2024

Built a data analytics backend that identified top-selling e-commerce products and arbitrage opportunities. Leveraged Supabase (PostgreSQL) and TypeORM to efficiently handle large product datasets (1M+ records). Designed and optimized pipelines that improved query response times by over 70%.

Backend Engineer at Vivid Labs

December 31, 2024 - December 31, 2024

Integrated XR PL public node to fetch NFT data and built a Kafka pub/sub pipeline for high-throughput distribution to consumers. Developed Snowflake functions for real-time ingestion from AWS S3 → Snowflake, enabling live analytics on NFT activities. Structured data streams and aggregation models in Snowflake to support complex large-scale queries. Containerized backend services with Docker, reducing deployment time and improving consistency across environments. Engineered a distributed query framework supporting concurrent analysis of large datasets with sub-second latency. Designed and maintained CI/CD pipelines via GitHub Actions for fully automated container deployments.

Software Developer at TravelBeta

January 1, 2022 - January 1, 2022

Developed travel platforms using React, Django, and Node.js. Implemented booking logic, payment integration, and containerized CI/CD workflows for high-availability deployments.

Software Developer at ValueJet

January 1, 2022 - January 1, 2022

Developed travel platforms using React, Django, and Node.js. Implemented booking logic, payment integration, and containerized CI/CD workflows for high-availability deployments.

Software Developer at Konga Travels

January 1, 2022 - January 1, 2022

Developed travel platforms using React, Django, and Node.js. Implemented booking logic, payment integration, and containerized CI/CD workflows for high-availability deployments.

Senior Full-Stack Engineer at BreezeLearn

January 1, 2025 - January 1, 2025

Designed and deployed end-to-end CI/CD pipelines using GitHub Actions, AWS App Runner, and Slack notifications, reducing release cycles from 2 hours to 15 minutes and maintaining 99.9% uptime. Migrated legacy infra to serverless AWS App Runner, reducing ops costs by 30%. Built JWT authentication with token refresh and RBAC to eliminate unauthorized API access. Integrated Stream.io video calling with end-to-end encryption for secure communication. Revamped frontend using React.js + Tailwind CSS, improving core Web Vitals by 60% and boosting mobile retention by 40%. Integrated OpenAI-powered AI agents to enhance platform intelligence and user interaction.

Founding Engineer at Alqen

January 1, 2024 - January 1, 2024

Built a data analytics backend that identified top-selling e-commerce products and arbitrage opportunities. Leveraged Supabase (PostgreSQL) and TypeORM to handle large product datasets (1M+ records). Designed and optimized pipelines that improved query response times by over 70%.

Backend Engineer at Vivid Labs

January 1, 2024 - January 1, 2024

Integrated XR PL public node to fetch NFT data and built a Kafka pub/sub pipeline for high-throughput distribution to consumers. Developed Snowflake functions for real-time ingestion from AWS S3 to Snowflake, enabling live analytics on NFT activities. Containerized backend services with Docker, reducing deployment time and improving consistency across environments. Engineered a distributed query framework supporting concurrent analysis of large data sets with sub-second latency. Designed and maintained CI/CD pipelines via GitHub Actions for fully automated container deployments.

Software Engineer at TravelBeta, ValueJet, and Konga Travels

January 1, 2022 - January 1, 2022

Developed booking logic, payments integration, and containerized CI/CD workflows for high-availability deployments across multiple travel platforms using React, Django, and Node.js.