Ademola Ismaila Sodiq

Backend • Middle • Management: 3-5 years (6-15 people) • 37 years • Lagos, Nigeria • UTC+01:00 • Fully remote • Relocation • Work permits: Nigeria • Citizenship: Nigeria • English: B2 • Can start in 2 weeks

Software Developer

7+ years exp

Management: 3-5 years (6-15 people)

10+ projects

JavaScript

SQL

SPSS

TypeScript

Node JS

Security & Auth: 5/10

API Design: 4/10

Reliability & Observability: 4/10

Active 1 day ago

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Overview

Technical skills

Projects

Timeline

Roles

Overview

Full-stack web developer focused on React frontends and Node/Express APIs with TypeScript and MongoDB at a Middle level, strongest at implementing end-to-end CRUD features and basic validation. The strongest proven skill is building server-side REST endpoints with input validation and tests as shown in Node-and-mongo-query/Week-7/Server/controllers/transaction.ts and Node-and-mongo-query/Week-7/inputValidator.js. There is little evidence of systematic test strategy, CI pipelines, contract testing or performance/load testing in the public human-authored code.

Phone

Technical skills

Languages

JavaScript

SQL

SPSS

TypeScript

Node JS

BullMQ

Nest.JS

Prisma

Express

Mongoose

Bcrypt

Morgan

Passport.js

Axios

Joi

Helmet

Nodemailer

Winston

DevOps

GCP

Rest API

API Gateway

Vercel

Kubernetes

Docker Compose

Argo Workflows

Linux

AWS

Frontend

Tailwind CSS

React.js

Three.JS

Redux

Redux Toolkit

Databases

MongoDB

PostgreSQL

MySQL

RabbitMQ

Other

Figma

OpenAI SDK

Jest

Amazon S3

Next.js

Redis

Supertest

Mocha

Amazon EC2

AWS Lambda

DynamoDB

GitHub

Heroku

Netlify

Dotenv

Docker

Git

CI/CD

PostCSS

GraphQL

CSS Modules

Projects

Jubly

Jan 2026 to Aug 2026 7 Months

Node JS

Nest.JS

Prisma

Vercel

React.js

React Query

Rest API

Redux Toolkit

MongoDB

Mongoose

RenderDoc

Jubpay

Nov 2025 to Jun 2026 7 Months

Nest.JS

React.js

Multer

RenderDoc

Vercel

Redux Toolkit

Redux

Node JS

TypeScript

Prisma

Tailwind CSS

GCP

Timeline

Software Engineer (Sub-Lead Frontend) • Lead

Sterling Bank • Full-Time

Mar 2024 to Present 2 Years 7 Months Lagos In office

Contributed to SEABAAS, a core banking platform built from scratch, and the SEABAAS Mizan Islamic Core Banking platform. Built frontend modules using React, TypeScript, and Redux Toolkit with a micro-frontend approach. Led development of role and access management, chart of accounts, and end-of-cycle modules. Coordinated with backend teams on architecture discussions and production issue resolution.

React.js

TypeScript

Redux Toolkit

Lead Full Stack Engineer • Lead

Jub Digitals • Full-Time

Mar 2023 to Mar 2024 1 Year Partially remote

Led architecture and delivery of fintech and booking-management products from design through deployment. Developed backend services and REST APIs with Node.js and NestJS, using Prisma and database-backed workflows. Implemented payment-enabled flows involving Paystack, including payment status verification and webhook-driven updates, plus transfer and settlement validation.

Node JS

Nest.JS

Prisma

Rest API

Full-Stack Engineer (Contract) • Middle

Brilstash • Contractor

Jan 2023 to Mar 2023 2 Months Partially remote

Designed backend architecture and implemented REST APIs using NestJS and Prisma. Integrated Google OAuth and built Google Calendar synchronization for notifications and meeting scheduling workflows. Implemented payment and withdrawal services via Paystack APIs and contributed throughout the architecture-to-deployment lifecycle.

Nest.JS

Prisma

Google Calendar

Backend Engineer • Middle

Lykluk • Full-Time

Oct 2022 to Dec 2022 2 Months Partially remote

Architected backend APIs for a social-media platform with an emphasis on data consistency. Implemented PostgreSQL transaction handling using Prisma. Built background-processing workflows using scheduled cron jobs and delivered authentication and authorization services.

PostgreSQL

Prisma

Lead Software Developer • Lead

The Rock Empire • Full-Time

Sep 2021 to Sep 2022 1 Year Lagos In office

Led development of the company web platform using React, Node.js, Prisma, and MySQL. Integrated Paystack payment processing and implemented authentication with role-based access control. Managed frontend state with Redux and worked on improving frontend performance.

React.js

Node JS

Prisma

MySQL

Redux

Full-Stack Engineer • Middle

Success Digitals Solutions • Full-Time

Aug 2019 to Sep 2021 2 Years 1 Month Partially remote

Built applications including lottery systems and flight-booking applications. Implemented payment and withdrawal services using Paystack and Flutterwave APIs. Supported deployments using cPanel and Netlify while working within Agile delivery practices.

University of Lagos

Bachelor's Degree • Economics

Lagos, Nigeria

Middle Backend Developer Confidence: Medium API Engineer

Backend engineer (Node.js/Express, ~middle level) focused on building REST APIs with authentication and token workflows. The strongest proven skill is API authentication and token lifecycle (refresh, password reset, refresh-token persistence) implemented in src/api/controllers/auth.controller.js and covered by integration tests in src/api/tests/integration/auth.test.js. The public code does not show multi-document transactional handling for money transfers, advanced scalability patterns (caching, queues), or formal infra/observability (metrics/alerting) configuration.

API Design

4/10

How well APIs are designed

Reasonably consistent REST API design with versioned routes and token refresh flows, plus pagination; lacks explicit idempotency, standardized error envelopes across all services, and advanced API stability patterns.

Evidence

reward-your-teacher-node-my-version/src/api/routes/v1/auth.route.js: v1 route topology and endpoint definitions

reward-your-teacher-node-my-version/src/api/controllers/auth.controller.js: refresh token / token response generation (generateTokenResponse, refresh)

Node-and-mongo-query/Week-7/Server/controllers/transaction.ts: pagination usage in getTransaction (page/limit)

Data Layer & Database

3/10

Working with databases

Uses Mongoose schemas and some data validation and uniqueness constraints; transactional/consistency boundaries are not addressed for multi-document updates (no multi-document transactions or compensating logic visible).

Evidence

quiz-web-app-backend/src/models/userModel.models.ts: Mongoose schema with unique email and pre-save password hashing

Node-and-mongo-query/Week-7/Server/controllers/transaction.ts: sequential findOneAndUpdate on two accounts without an atomic transaction

reward-your-teacher-node-my-version/src/api/models/refreshToken.model.js: refresh token model (token lifecycle persisted)

Scalability & Performance

2/10

Handling load and speed

Basic pagination and sensible middleware (helmet, morgan) present but no evidence of caching/invalidation, queue-based decoupling, rate limiting, or measured perf tuning.

Evidence

Node-and-mongo-query/Week-7/Server/controllers/transaction.ts: implements page/limit pagination

quiz-web-app-backend/src/index.ts: helmet and morgan usage for basic HTTP hardening and logging

System Architecture

3/10

Overall system structure

Code is organized into controllers, models, routes and services showing conventional modular separation; architecture appears monolithic and there is no evidence of deliberate service decomposition, cross-service contracts, or advanced config/secret management patterns.

Evidence

reward-your-teacher-node-my-version/src/api/controllers (controllers) and src/api/routes (routes): clear module separation

quiz-web-app-backend/src/index.ts: route wiring and central app bootstrap

Security & Auth

5/10

Protecting data and access

Strong evidence of authentication and authorization practices: JWT lifecycle with refresh tokens, password reset flows, bcrypt hashing and validation; however some endpoints lack atomic updates and a consistent centralized input-validation strategy across all services.

Evidence

reward-your-teacher-node-my-version/src/api/controllers/auth.controller.js: refresh, register, password reset and token generation flows

Node-and-mongo-query/Week-7/Server/controllers/register.ts: bcrypt usage and user creation

Node-and-mongo-query/Week-7/inputValidator.js: Zod schemas and validate middleware

Reliability & Observability

4/10

Stability and monitoring

Good test coverage for authentication flows and structured error types and middleware; monitoring/observability beyond logging and tests (metrics, alerts, retries with backoff, graceful shutdown) is not evidenced.

Evidence

reward-your-teacher-node-my-version/src/api/tests/integration/auth.test.js: extensive integration tests around auth flows

reward-your-teacher-node-my-version/src/api/errors/api-error.js and src/api/middlewares/error.js: structured API errors and middleware

Expertise

Node.js• Middle

Industries

Education• Middle

Financial Services• Middle

Technologies

Node JS• since 2021 • Middle

GraphQL

Express

Bcrypt

Joi

Winston

Mongoose

Passport.js

Axios

Helmet

Dotenv

Morgan

Nodemailer

Recommendations

Own and extend REST APIs that require authentication, token lifecycle and user management (login, refresh tokens, password reset).
Implement and harden financial transaction services - add atomic updates using MongoDB transactions or compensating actions and add idempotency keys for transfer endpoints.
Build and maintain integration test suites and API contract tests - continue writing Mocha/Chai or Jest integration tests for critical flows.
Add observability and resilience: instrument metrics, structured logs with correlation ids and implement timeouts/retries with jitter for outbound calls.

Repositories

The developer's experience in this domain has been verified based on AI analysis of the following repositories:

Node-and-mongo-query reward-your-teacher-node-my-version quiz-web-app-backend

Middle Frontend Developer Confidence: Medium App Engineer

Frontend app engineer (approx junior-to-middle level) focusing on small React SPAs and static web UIs with practical CRUD implementations. The strongest proven skill is building React+Redux CRUD flows as shown in the todo app component and reducer (redux-todo-app/src/components/Todo.js and src/redux/reducers.js). There is limited evidence of advanced frontend engineering practices such as automated tests, performance profiling, robust async state handling, or accessibility-focused engineering in public code.

UI Component Architecture

3/10

How interface parts are built

Component work is practical but shallow: single-file React components with CSS Modules and local state are used, but there is little evidence of deliberate component system design, composition patterns, or reusable primitives.

Evidence

redux-todo-app/src/components/Todo.js

redux-todo-app/src/components/Todo.module.css

Responsive & Cross-browser

3/10

Works on all screens and browsers

Responsive design is handled with classic CSS media queries and meta viewport settings; layouts adapt at breakpoints but there is no advanced responsive architecture or RTL/i18n work.

Evidence

redstoreclone/css/index.css - media queries (@media only screen and (max-width: 800px)/(600px))

redstoreclone/index.html - meta viewport and mobile menu markup

Performance Optimization

1/10

Speed of the interface

No measurable performance work or instrumentation is present; no code-splitting, profiling artifacts, virtualization, or bundle-analysis evidence.

Evidence

redux-todo-app/src/index.js - app bootstrapping with PersistGate (no perf artifacts)

redux-todo-app/package.json - dependency list (no perf tooling or analyzer present)

Accessibility & Semantics

2/10

Usable for everyone

Minimal accessibility awareness: basic semantic elements and form labels appear, and images sometimes include alt text, but there is no ARIA on custom widgets, keyboard/focus management, or CI a11y tooling evident.

Evidence

redstoreclone/contact.html - form labels for contact inputs

redux-todo-app/src/components/Todo.js - <img alt="Ademola"> usage

State Management & Data Flow

4/10

Managing data in the app

Clear use of classic server/client state patterns with Redux and react-redux; flows for add/update/delete are implemented, but there are anti-patterns (side effects inside reducers, no request cancellation, no optimistic update patterns).

Evidence

redux-todo-app/src/components/Todo.js - useDispatch/useSelector, add/update/delete flows

redux-todo-app/src/redux/reducers.js - reducer handling ADD/UPDATE/DELETE and reading/writing localStorage

redux-todo-app/src/index.js - store persisted via redux-persist PersistGate

UX & Visual Polish

3/10

Look and feel quality

UX attention is pragmatic: validation, show/hide states, and user feedback exist across small apps, but there is limited polish around error states, undo, skeletons, or perceived-performance techniques.

Evidence

numberguesser.github.io/Guesser.js - user messaging and guess state handling

redux-todo-app/src/components/Todo.js - form validation, show/hide list and edit flows

redstoreclone/css/index.css - visual styling and hover transitions

Expertise

React• Middle

HTML & CSS• Middle

Industries

Commerce• Middle

Technologies

Redux• since 2021

Nest.JS• since 2023

Next.js

Netlify

Heroku

Prisma• since 2021

CI/CD

Git

AWS

Docker

Kubernetes• since 2019

React.js• since 2021

PostCSS

CSS Modules

AWS Lambda

Amazon EC2

Redux Toolkit• since 2024

GitHub

Amazon S3

Linux• since 2025

Recommendations

Build small-to-medium React single page applications that require CRUD flows, local persistence and simple offline support using redux-persist or similar.
Implement and harden features in admin dashboards or internal tools where Redux-based state and form workflows are common.
Work on static marketing sites or product landing pages where responsive HTML/CSS skills and component styling deliver value.
Gradually add testing, accessibility checks, and basic performance profiling to projects to increase engineering maturity.

Repositories

The developer's experience in this domain has been verified based on AI analysis of the following repositories:

numberguesser.github.io redstoreclone redux-todo-app

Middle QA Engineer Confidence: Medium API QA Engineer

Test Automation Frameworks

3/10

Building automated tests

Basic test automation artifacts are present (Jest + Supertest and setup files) but there is little evidence of custom fixtures, factories, selector discipline or parallelization/sharding.

Evidence

Node-and-mongo-query/Week-7/__tests__/transaction.spec.ts

todoApp/src/setupTests.ts

Node-and-mongo-query/Week-7/package.json

Test Coverage & Strategy

2/10

What and how to test

Some validation and a test file exist but there is scant evidence of a deliberate test strategy, negative-path/property-based tests, boundary tests or mutation testing.

Evidence

Node-and-mongo-query/Week-7/__tests__/transaction.spec.ts

Node-and-mongo-query/Week-7/inputValidator.js

API & Integration Testing

3/10

Testing how parts work together

API and integration testing basics are implemented: Express controllers, Zod validation middleware and Supertest-based tests; however there is no contract testing, schema-driven contract enforcement or idempotency/retry scenario coverage.

Evidence

Node-and-mongo-query/Week-7/Server/controllers/transaction.ts

Node-and-mongo-query/Week-7/inputValidator.js

Node-and-mongo-query/Week-7/__tests__/transaction.spec.ts

Performance & Load Testing

Testing speed under load

Not evidenced in public code

Bug Reporting & Analysis

Finding and describing bugs

Not evidenced in public code

CI Test Integration

2/10

Running tests automatically

Minimal CI/test integration: local test scripts and a Jest config exist but there are no CI workflows, artifact retention, selective/diff-based runs or per-test quarantine mechanics.

Evidence

Node-and-mongo-query/Week-7/package.json

redux-todo-app/package.json

Expertise

API Testing & Contract Validation• Middle

Unit & Component Testing• Middle

Industries

Financial Services• Middle

Technologies

JavaScript• since 2021 • Middle

TypeScript• since 2022 • Middle

Jest

Mocha

Supertest

Recommendations

Build and own REST API endpoints with auth, strong input validation and integration tests (use existing controllers and inputValidator as a base).
Expand integration testing into contract testing and negative-path coverage (add schema-based contract checks and explicit 4xx/5xx tests).
Add CI pipelines with selective test runs, artifact capture and quarantining rules for flaky tests.
Develop frontend React+Redux features and component tests using the existing setupTests and testing-library packages.

Repositories

The developer's experience in this domain has been verified based on AI analysis of the following repositories:

redux-todo-app todoApp Node-and-mongo-query