FlowCV Logo
Esther Ohiomame Software Engineer
Email
[email protected]
Location
Lagos, Nigeria
LinkedIn
https://www.linkedin.com/in/alexindevs
Phone
+2348150488269
GitHub
https://github.com/alexindevs
Profile

Nest.JS | FastAPI | Docker | Github Actions | PostgreSQL | React.JS | Express.JS | MongoDB | AWS | TypeScript | AI/LLMs

Product‑minded engineer who turns raw ideas into clean, test‑driven products that work on day one and stay easy to evolve. With 4+ years of experience spanning various industries, I've designed resilient APIs, built interactive frontend applications, automated DevOps workflows, and optimized AI-powered systems. I bring a rare combination of technical depth and business acumen that turns challenging problems into competitive advantages.

Professional Experience
2025/03 – presentNew Jersey, USA

Backend Engineer

The Product Room
  • •Engineered platform backend for a high‑volume scheduling product, exposing real‑time APIs that can process ≈ 200 k availability records a week without timeouts.
  • •Built a rules‑driven matching engine that fills 95 % of open shifts in sub‑second latency, lifting fulfillment rates by 15 percentage points.
  • •Added batch‑onboarding and schedule‑automation modules, cutting manual admin work by 70 %.
  • •Engineered CI/CD pipelines via GitHub Actions, automating software builds, tests and deployments, reducing release cycles from 5 days to 1 day, increasing deployment frequency by 500%.
  • •Participated in team expansion efforts by interviewing and onboarding new developers.
    • 2024/11 – 2025/02Lagos, Nigeria

    Backend Engineer

    Bento Africa
  • •Developed an AI‑driven SDR workflow, using agentic frameworks to automate and prioritise inbound leads and shorten first‑response times from hours to minutes.
  • •Participated in team efforts to improve system performance, streamline deployments, and ensure reliability at scale.
  • •Collaborated on backend integrations that extended Bento’s core payroll platform, enabling seamless handling of region-specific compliance and reporting tasks.
    • 2024/03 – 2025/03Lagos, Nigeria

    Backend Developer

    Xavier Paisley
  • •Designed and built scalable backend services with Node.js, TypeScript, and NestJS, including real-time communication and location-aware functionality.
  • •Collaborated closely with frontend and design teams to align on API contracts, improve development workflows, and reduce integration friction during testing.
  • •Wrote robust unit and integration tests, identified key bugs early in development, and contributed to a stable, testable codebase ready for production.
    • 2024/07 – 2024/09Lagos, Nigeria

    DevOps Intern (Finalist)

    HNG11 Internship
  • •Deployed and maintained full stack applications on AWS EC2 using Docker and Traefik/Nginx, achieving seamless domain and HTTPS configurations and enabling smooth scaling for high-demand environments.
  • •Led CI/CD pipeline setup for C# .Net applications, optimizing deployment workflows, improving server stability, and supporting smooth and reliable releases.
  • •Engineered Nginx configurations, optimizing backend-frontend communication latency by 30%, accelerating application responsiveness and directly improving user interface interactions across all critical applications
  • •Standardized deployment with containerized environments, enhancing scalability and simplifying maintenance while ensuring consistent environments across development stages.
  • •Implemented advanced monitoring and load balancing strategies, improving server reliability, reducing system interruptions, and supporting a stable, high-availability infrastructure.
    • 2023/12 – 2024/08Lagos, Nigeria

    Backend Engineer

    Fingle Technologies
  • •Led backend development efforts, contributing to a more robust platform and expanding service capabilities to support the company’s growth.
  • •Enhanced system performance and reliability, leveraging comprehensive knowledge of the product to optimize key functionalities across the platform.
  • •Quickly resolved critical production issues, maintaining smooth operations and supporting a positive user experience.
  • •Worked closely with cross-functional teams, delivering high-quality code and championing continuous improvement initiatives to advance development practices.
    • Projects
    2025/05

    Infrabuddy

    DevOps Infra Generator
  • •Built an engine that turns a bunch of questions into a full suite of deploy‑ready configs—containers, CI/CD, reverse proxy, database/cache layers, and more—slashing "first-deploy" setup from days to minutes.
  • •Ships with out‑of‑the‑box support for several leading backend stacks and an open template system that lets the community plug in additional languages, clouds, or deployment styles on demand.
  • •Packs all generated files into a single downloadable archive, so teams can drop the boilerplate and start shipping immediately.
  • •Road‑mapped to expand into Terraform, Kubernetes, frontend deployments, and other modern infra needs.
    • 2025/02

    Chatverse

    Chat with AI personalities
  • •Launched a live AI‑chat web app that lets users hold text conversations with dynamically generated characters (FastAPI + OpenAI GPT).
  • •Structured a FastAPI backend with OAuth2 / JWT auth, Swagger docs, and SQLite for user data & chat logs, keeping setup lightweight but production‑ready.
  • •Cut token spend and response time by embedding past messages in ChromaDB and fetching only the most relevant context for each AI reply.
  • •Kept the bots on‑brand through prompt‑engineering tweaks and fallback logic that stopped character breakouts and hallucinations.
    • 2024/01

    ShareX

    File-Sharing Platform
  • •Engineered a robust and scalable backend using Node.js and Express.js, handling file uploads and downloads.
  • •Implemented secure user authentication and authorization using JWT tokens.
  • •Integrated PostgreSQL and Prisma for efficient data storage and retrieval.
  • •Utilized Docker for containerization and streamlined deployment.
  • •Incorporated Clamscan for virus scanning, ensuring file security.
  • •Reduced file upload time by 20% through performance optimization techniques.
    • Skills
    Backend Engineering
    • •Node.js/TypeScript - Express.js, NestJS, RESTful APIs
    • •Python - Flask, FastAPI
    • •API Design & Development - JWT, OAuth2, OpenAPI/Swagger
    • •Testing - Jest, Supertest
    Frontend Engineering
    • •React.js/TypeScript - Redux, React Query, React Router
    • •Vue.js - Vuex/Pinia, Vue Router
    • •Tailwind CSS, Sass/SCSS, Responsive Design
    • •Build Tools - Vite, Webpack
    ML/AI
    • •Large Language Models: OpenAI GPT-3.5/4, Llama 3.1, Llama 3.3
    • •Vector Databases: Pinecone, Chroma
    • •AI Development Tools: LangChain, LlamaIndex, Ollama
    • •Model Fine-tuning & Prompt Engineering
    • •AI Integration & API Implementation
    Development Tools
    • •Version Control: Git, GitHub, GitLab
    • •Project Management: Jira, Trello, Linear
    • •Documentation: Swagger, Postman
    Database & ORM
    • •SQL: PostgreSQL, MySQL, Prisma ORM, TypeORM
    • •NoSQL: MongoDB, Mongoose
    • •Query Optimization & Database Design
    DevOps & Infrastructure
    • •AWS, Microsoft Azure
    • •Docker & Kubernetes
    • •Terraform
    • •Ansible
    • •CI/CD - GitHub Actions, Jenkins
    • •Monitoring & Observability - Prometheus & Grafana
    • •Nginx, Traefik
    • •Linux Server Administration/Scripting - Bash, Python
    System Design
    • •Microservices Architecture
    • •Message Queues
    • •Caching Strategies
    • •API Gateway Implementation
    • •Load Balancing & Scaling
    Education

    CS50

    Harvard

    Backend Development and APIs

    FreeCodeCamp

    Web Development

    Angela Yu @ Udemy