Full Stack Engineer
Emmanuel A is a proficient Full Stack Developer with a robust background in building scalable and efficient web applications, currently enhancing smart infrastructure solutions at Bosonit. His technical expertise spans a broad array of technologies including TypeScript, Node.js, Angular, Docker, Kubernetes, and AWS, which he leverages to develop event-driven services and operational dashboards for IoT systems. Previously at Spagad Technologies, he significantly improved the performance of Ghana's tax administration system…
Great score on Find the Length of the Longest Substring Without Repeating Characters, Difficulty Easy · Great score on Debugging a Blank List in a Frontend Application, Difficulty Medium · Great score on Debugging Angular Component with Empty Template Issue, Difficulty Medium
Full Stack Developer
Bosonit· OtherNov 2025 — Present- Built event-driven services for smart water and IoT infrastructure, processing telemetry streams via MQTT brokers, and developed operational dashboards for real-time orchestration and supervision.
- Designed REST and GraphQL APIs with idempotency safeguards and request validation to ensure consistent device state synchronization across services.
- Used GitLab CI and Helm to enable faster delivery of water system, geospatial mapping, and 3D visualization features across smart infrastructure platforms in Catalonia and Zaragoza.
- Improved audit module performance by 75% through parallelized query execution and optimized indexing strategies, enabling year/month financial reporting exports.
TypeScript, Node.js, Angular, Docker, Kubernetes, AWS, HTML, CSSSoftware Developer
Spagad Technologies (Axon Info Systems)· GovTech & LegalTechFeb 2022 — Nov 2024- Contributed to the frontend and backend architecture of Ghana’s tax administration system, supporting 65,000+ operations daily, integrating with Ghana.Gov, NIA, ICUMS, TRIPS.
- Built components of a data cleaning platform used to validate taxpayer records, improving data quality and supporting compliance benchmarks tied to a $360M+ IMF program.
- Developed transactional systems with ACID-compliant database operations to guarantee data integrity during tax filings, payment processing, and reporting.
- Enhanced the Tax Clearance Certificates’ API by optimizing SQL views generating TCCs 38x faster.
VBScript, JavaScript, SQL, TypeScript, Node.js, HTML, CSSSoftware & IT Support Engineer
Judicial Service of Ghana· GovTech & LegalTechSep 2020 — Aug 2021- Built reusable components that accelerated feature delivery for E-forms and used redux for complex state management enabling time-travel debugging and improving state consistency across components.
- Provided IT infrastructure and network support across court facilities, assisting with system connectivity, user support, and day-to-day technology operations.
JavaScript, React.js, HTML, CSS
BSc Information Technology
University of GhanaAccra, Ghana2016 — 2020
Full Stack Engineer
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Emmanuel A is a proficient Full Stack Developer with a robust background in building scalable and efficient web applications, currently enhancing smart infrastructure solutions at Bosonit. His technical expertise spans a broad array of technologies including TypeScript, Node.js, Angular, Docker, Kubernetes, and AWS, which he leverages to develop event-driven services and operational dashboards for IoT systems. Previously at Spagad Technologies, he significantly improved the performance of Ghana's tax administration system…
- Projects completed1
- Hourly rate
- 3-4 years experience
- Accra, Ghana
- Member since Jul 2026
Great score on Find the Length of the Longest Substring Without Repeating Characters, Difficulty Easy · Great score on Debugging a Blank List in a Frontend Application, Difficulty Medium · Great score on Debugging Angular Component with Empty Template Issue, Difficulty Medium
Full Stack Developer
Bosonit· OtherNov 2025 — Present- Built event-driven services for smart water and IoT infrastructure, processing telemetry streams via MQTT brokers, and developed operational dashboards for real-time orchestration and supervision.
- Designed REST and GraphQL APIs with idempotency safeguards and request validation to ensure consistent device state synchronization across services.
- Used GitLab CI and Helm to enable faster delivery of water system, geospatial mapping, and 3D visualization features across smart infrastructure platforms in Catalonia and Zaragoza.
- Improved audit module performance by 75% through parallelized query execution and optimized indexing strategies, enabling year/month financial reporting exports.
TypeScript, Node.js, Angular, Docker, Kubernetes, AWS, HTML, CSSSoftware Developer
Spagad Technologies (Axon Info Systems)· GovTech & LegalTechFeb 2022 — Nov 2024- Contributed to the frontend and backend architecture of Ghana’s tax administration system, supporting 65,000+ operations daily, integrating with Ghana.Gov, NIA, ICUMS, TRIPS.
- Built components of a data cleaning platform used to validate taxpayer records, improving data quality and supporting compliance benchmarks tied to a $360M+ IMF program.
- Developed transactional systems with ACID-compliant database operations to guarantee data integrity during tax filings, payment processing, and reporting.
- Enhanced the Tax Clearance Certificates’ API by optimizing SQL views generating TCCs 38x faster.
VBScript, JavaScript, SQL, TypeScript, Node.js, HTML, CSSSoftware & IT Support Engineer
Judicial Service of Ghana· GovTech & LegalTechSep 2020 — Aug 2021- Built reusable components that accelerated feature delivery for E-forms and used redux for complex state management enabling time-travel debugging and improving state consistency across components.
- Provided IT infrastructure and network support across court facilities, assisting with system connectivity, user support, and day-to-day technology operations.
JavaScript, React.js, HTML, CSS
BSc Information Technology
University of GhanaAccra, Ghana2016 — 2020
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