Eric Wanjohi

Design and develop Android applications for international clients, delivering custom integration features within Agile and DevOps workflows. Build and maintain client-facing mobile solutions, coordinating with distributed teams across time zones. Apply SDLC and Agile principles across multiple concurrent client projects using Java, Android SDK, Git, and CI/CD pipelines.

Designed and built the core Android IoT codebase, refactoring for performance and maintainability. Integrated AWS IAM authentication and GraphQL connectivity to AWS S3, streaming device data via MQTT pub-sub brokers. Implemented USB/OTG and Bluetooth-LE (GATT) communication for a fleet of IoT-connected energy devices, migrating legacy UART modules to BLE. Owned testing, bug fixing, and staged A/B

Built and shipped Android, React, Node.js, and Spark applications, integrating new technologies into existing production systems. Automated recurring operational tasks via Bash scripting. Maintained Agile SDLC discipline across mobile and web codebases, coordinating feature integration through GitHub.

Included but were not limited to:- Making daily sales and orders reports for individual and corporate clients, Clientele negotiations, Scouting and convincing new markets and potential clientele, Ensuring meeting monthly and subsequent quarters targets to reach company goals, Maintaining high standards of customer care and service provision across the board and business overall, Offer solutions to

Product sales marketing

Prenatal iron and malaria study

Included but were not limited to:- Ensuring research data is promptly and accurately updated on the database, Tracing missing information from patient records, Analyzing data presented in the records before ensuring a copy in the database, Coordinating a task-force of 84 research assistants ensuring data collection runs smoothly, Geo-mapping data collection points in the research area.

Specialization: Android, JavaScript, Java, Spark, Angular