Backend Engineer (Node.js | Go | Distributed systems). 3+ years building production-grade APIs, distributed job systems, and event-driven architecture. Building AI agents, infrastructure & tooling. Built OctoRouter

Godwin Alexander

Backend Engineer (Node.js | Go | Distributed systems). 3+ years building production-grade APIs, distributed job systems, and event-driven architecture. Building AI agents, infrastructure & tooling. Built OctoRouter

Available to hire

Backend Engineer (Node.js | Go | Distributed systems). 3+ years building production-grade APIs, distributed job systems, and event-driven architecture. Building AI agents, infrastructure & tooling. Built OctoRouter

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Work Experience

Backend Engineer at Resihub
March 1, 2024 - August 1, 2025
Built scalable backend architecture and APIs from scratch for a property advertisement platform with a user app and an admin dashboard. Optimized ad analytics by implementing Redis caching and BullMQ background aggregation of 20K+ ad activities. Introduced advertiser visibility through a priority-based ad rotation algorithm managing lifecycle, expiration, and budget allocation.
Backend Engineer at Portaul
July 1, 2024 - March 1, 2025
Architected secure messaging infrastructure supporting encrypted personal and group conversations. Built a PostgreSQL database with encrypted sensitive columns using the Pgcrypto module, ensuring GDPR compliance. Developed an advanced authentication system with MFA, token rotation, device recognition, and remote logout. Implemented end-to-end chat encryption using AES-256-GCM symmetric encryption and asymmetric key pairs.
Backend Engineer at SMC Dao and Papdesk
October 1, 2023 - April 1, 2024
Addressed critical video streaming challenges for a smoother user experience. Engineered optimized aggregations for user badge assignments, and led troubleshooting and optimization efforts reducing server load times and bolstering system performance for high-volume transactions. Integrated Paystack API, queues, and pub-sub mechanisms to process user payments and subscriptions. Implemented AWS Lambda with S3 for video processing using FFMPEG to reduce load on the main server.

Education

BSc in Computer Science at University of Uyo
February 1, 2018 - August 1, 2023

Qualifications

Google Summer of Code - AsyncAPI (Development of Glee Framework)
April 1, 2023 - October 1, 2023

Industry Experience

Software & Internet, Professional Services