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Engels Immanuel

@engelsimmanuel

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Flutter mobile engineer with 7+ years building scalable production apps for startups.

Nigeria

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What I'm looking for

I’m looking to lead mobile engineering with Flutter/Android, owning architecture and delivery, collaborating cross‑functionally, and building reliable apps with strong quality and fast, high‑ownership execution.

I’m a Flutter Mobile Engineer with 7+ years of experience designing, building, and scaling production mobile apps end to end. I’ve helped early-stage and fast-growing startups move from concept to production by working closely with design, product, backend, hardware, and QA teams.

In my recent roles as a Lead Mobile Engineer and Lead Flutter Engineer, I owned mobile architecture, led migrations to Flutter, set development standards, and directed delivery through roadmaps, backlogs, code reviews, and engineering quality. I bring strong expertise across reactive Dart, state management (BLoC/Cubit), CI/CD, Firebase/Cloud Functions, AWS (Amplify/Lambda/IOT), and building mobile experiences that integrate Bluetooth/Wi‑Fi devices and mapping.

Experience

Work history, roles, and key accomplishments

Lead Mobile Engineer

SkyTrade

Mar 2024 - Jan 2026 (1 year 10 months)

Led development of the SkyTrade Radar mobile app, integrating Bluetooth 4 and Wi‑Fi to detect and display BRID data from nearby drones in near real time. Owned the migration from native Android to a cross-platform Flutter architecture and set mobile architecture standards to improve delivery quality and velocity.

Flutter Dart Bluetooth Wi‑Fi Integration Mobile Architecture Codebase Migration

Lead Flutter Engineer

Dayout

Mar 2024 - Oct 2024 (7 months)

Led development of a day planning and time management social app using Flutter to help users share and manage routines, plans, and schedules. Directed the mobile team by defining roadmaps, refining backlogs, assigning tasks, and enforcing codebase quality through code reviews.

Flutter Dart API Integration GoRouter Code Review Team Leadership Backlog Management

Robotics Instructor & Dev

Innov8 Hub

Dec 2021 - Mar 2024 (2 years 3 months)

Collaborated with embedded systems and product design teams to build Flutter mobile interfaces for IoT and electronics, enabling users to access real-time device metrics. Developed and deployed AWS Lambda functions (TypeScript) to automate data processing, eliminating client-side processing and increasing application responsiveness by 10%, and mentored 17 robotics club participants in Scratch and

Dart Flutter AWS Lambda TypeScript IoT Embedded Interfaces GitHub Actions Scratch MIT App Inventor Mentoring

Robotics & Mobile Developer

Innov8 Hub

Dec 2021 - Mar 2024 (2 years 3 months)

Developed Flutter mobile interfaces for IoT and embedded devices, enabling users to access real-time device metrics on their smartphones. Built and deployed AWS Lambda functions (TypeScript) to automate data processing, contributing to a 10% increase in application responsiveness, and mentored 17 students in robotics and mobile app development.

Flutter Dart IoT AWS Lambda TypeScript Team Leadership

Freelance Mobile Developer

Freelance

Oct 2018 - Nov 2021 (3 years 1 month)

Translated client requirements into functional specifications and business logic, delivering mobile apps with improved user engagement and a 20% increase in app downloads. Built mobile interfaces from high-fidelity designs using XML and Jetpack Compose for Android, and coordinated delivery milestones through consistent client communication.

Java Kotlin Dart Flutter XML Jetpack Compose