Dike Ajah

Co-Founder

Abuja, Federal Capital Territory, Nigeria9 yrs experience
AI ML PractitionerAI Enabled

Key Highlights

  • Built a crypto trading platform processing 2,500 orders/minute.
  • Led engineering teams delivering B2B SaaS solutions for 10,000+ users.
  • Expert in fintech security and cloud-native architecture.
Stackforce AI infers this person is a Fintech and SaaS expert with a strong focus on cloud-native solutions.

Contact

LinkedIn

Skills

Core Skills

Cloud-native ArchitectureFintech EngineeringSaas Platform EngineeringTechnical MentorshipFull-stack Development

Other Skills

CI/CD PipelinesMongoDBIdempotency KeysHigh-Growth StartupsCursor IDESpec WritingTechnical DocumentationCloudWatch ObservabilitySprint PlanningExchange API IntegrationFeature DeliveryEvent-Driven ArchitectureAutomated Software TestingTechnical StrategyREST API Design

About

I build production-grade fintech and SaaS systems from the ground up, and I have the receipts. As Co-Founder & CTO of TraderApp, I started from a blank slate, designed the cloud-native AWS architecture, and shipped a live crypto copy-trading platform processing 2,500 orders/minute at sub-10-second latency, 5,000+ users, $1M+ in connected trading capital, with deliberate fintech-grade engineering: encrypted API keys, DLQ retry logic, idempotency keys, webhook verification, and CloudWatch audit trails. At Turing/GoLogic, I led the Platforms Team delivering a B2B SaaS platform to 10,000+ business owners across 20+ enterprise organisations, shipping 10+ major systems end-to-end including multi-tenancy, real-time chat, calendar sync, performance analytics, and a tools integration framework across HubSpot, Shopify, and Stripe. Duplo contracted me as sole engineer to build their B2B merchant payments platform from scratch, full stack, CBN NIBSS bank verification, direct bank payouts, delivered in 3 months. I've built and led engineering teams, full hiring lifecycle, 10+ independent performance review cycles, offshore team management, and external agency coordination. Engineers I've mentored have landed stronger roles and still list me as referee. AI-first workflow: Cursor and GitHub Copilot daily for 2+ years, architectural judgment stays human. What I bring: TypeScript • Node.js • React • AWS • Event-Driven Architecture • Fintech Security • SaaS Architecture • PWA • Zero-to-One • Engineering Leadership Open to Senior Engineer, Staff Engineer, CTO, and EM roles — fintech, SaaS, trading — remote

Experience

9 yrs
Total Experience
3 yrs 1 mo
Average Tenure
2 yrs 10 mos
Current Experience

Turing

Senior Software Engineer / Tech Lead

Jul 2023 – Present · 2 yrs 10 mos · Palo Alto, California, United States · Remote

  • Led the Platforms Team of 5 engineers on a B2B SaaS platform serving 20+ enterprise organisations and 10,000+ business owners.
  • Appointed by CTO to own coordination of an outsourced Indian development agency — onboarding, architecture reviews, pair programming, weekly demos, full integration
  • Architected and delivered 10+ major platform systems: multi-tenancy/RBAC, notifications (Lambda/SQS/EventBridge), calendar sync (Google/Zoom/Teams), real-time chat, performance analytics, Tools Integration Framework (HubSpot, Shopify, Stripe), global search (Algolia)
  • Designed all DynamoDB data models from scratch using PK/SK access patterns for complex multi-tenant, high-concurrency workloads
  • Led Redux-Saga → React Query migration — eliminating velocity bottlenecks, adding native caching and retry logic
  • Mentored offshore engineers from Pakistan — structured coaching on AWS architecture, system design, and engineering standards until independent
AWS AppSyncCI/CD PipelinesHigh-Growth StartupsAmazon DynamodbCursor IDESpec Writing+46

Traderapp

Co-Founder & CTO

May 2023 – Present · 3 yrs · Lagos State, Nigeria · Remote

  • Built a live crypto and forex copy-trading platform from a completely blank slate — sole technical decision-maker from stack selection to production deployment.
  • Designed cloud-native AWS architecture: EC2 eligibility engine, SQS-triggered Lambda execution, EventBridge workflows, PostgreSQL + MongoDB data layer
  • Built order execution engine processing 2,500 orders/minute at ~8-second end-to-end latency using 500 concurrent Lambdas in an event-driven architecture
  • Implemented fintech-grade reliability: AES-encrypted API keys, DLQ retry logic, idempotency keys, webhook hash verification, CloudWatch audit trails
  • Architected as PWA for mobile-first reach — native mobile experience without native app constraints
  • Integrated Bybit, Binance, KuCoin via API with NAT Gateway + Elastic IP exchange whitelisting
  • Built and led a team of 10+ engineers — owned hiring, 10+ performance review cycles, mentorship, and consequential exit decisions
  • Grew to 5,000+ users and $1M+ in connected trading capital
CI/CD PipelinesMongoDBIdempotency KeysHigh-Growth StartupsCursor IDESpec Writing+47

Duplo

Senior Full-Stack Engineer

Jan 2023 – Mar 2023 · 2 mos · Lagos, Lagos State, Nigeria · Remote

  • Sole engineer contracted to build Duplo's B2B merchant payments platform from scratch — delivered production-ready in 3 months.
  • React/TypeScript frontend from Figma, Node.js/TypeScript/MongoDB backend, REST API design end-to-end
  • Integrated CBN NIBSS APIs for real-time bank account verification
  • Built vendor invitation/verification flow, invoice auto-rendering, payment approval, and direct bank payout infrastructure
  • Collaborated directly with CTO, PM, QA, and product designer — weekly demos, real-time iteration, clean handover
MongoDBIdempotency KeysHigh-Growth StartupsBank Account VerificationTechnical DocumentationFeature Delivery+19

Pingapp (fka gamichq)

Senior Software Engineer

May 2022 – Sep 2022 · 4 mos · Lagos State, Nigeria

  • Built and shipped backend and frontend features for the Gamic Guild Managers platform.
  • Developed a serverless backend system using Node.js, TypeScript, AWS Lambda, MySQL, and WebSockets to handle real-time rewards, blockchain event tracking, and guild auto-deployments.
  • Implemented secure session management with short-lived access tokens and refresh token flows.
  • Built the frontend with React, Remix.run, Redux, and TailwindCSS, creating responsive components, chat/communities features (via STREAM), and NFT/rewards tracking dashboards.
  • Migrated media assets to AWS S3/CDN, improving performance and user experience.
  • The platform launch increased user engagement and grew total users by 30%, while delivering a more secure, scalable, and cost-efficient architecture.
MongoDBHigh-Growth StartupsCloud-Native ArchitectureTechnical DocumentationCloudWatch ObservabilitySprint Planning+29

Rmd logistics ltd

Tech Lead/Full-stack Developer

Jan 2019 – Oct 2021 · 2 yrs 9 mos · Lagos State, Nigeria · Hybrid

  • Led a team of 4–6 engineers across e-commerce, government, and SaaS client engagements — directly contributing to a 30% company revenue increase.
  • Owned hiring, sprint planning, architecture design, and code reviews
  • Delivered a government tax-tracking system, scalable e-commerce platform (ALB + ASG + EC2 + RDS), and Lambda-based resume builder
CI/CD PipelinesMongoDBMySQLSpec WritingTechnical DocumentationSprint Planning+32

Freelance

Full Stack Developer

Jul 2015 – Dec 2018 · 3 yrs 5 mos · Port Harcourt, Rivers State, Nigeria · Remote

  • Built event-driven billing automation (Node.js, SQS, Lambda, CloudWatch) for a telecom CRM and a real-time Binance crypto signaling bot on AWS serverless — both delivered to production clients.
Feature DeliveryEvent-Driven ArchitectureREST API DesignJavaScriptFull-Stack DevelopmentNode.js+8

Education

Kwame Nkrumah University of Science and Technology, Kumasi

Master of Philosophy - MPhil — Computer Science

Sep 2015 – Jun 2016

Kwame Nkrumah University of Science and Technology, Kumasi

Bachelor of Science - BS — Computer Science

Jan 2011 – Jan 2015

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