Domanik Johnson
@domanikjohnson
Senior Software Engineer at Wells Fargo who moved payment reconciliation to Go microservices, cutting API p95 latency from 412 ms to 187 ms.
United StatesWhat I'm looking for
At Wells Fargo, I led the move of a payment reconciliation service from a monolith into Go-based microservices on AWS, cutting API p95 latency from 412 ms to 187 ms. I also owned the RESTful and GraphQL gateway layer for billing workflows and account reconciliation.
At Wells Fargo, I provisioned DynamoDB tables and Lambda functions with Terraform, and shipped a TypeScript client library that shortened partner onboarding from about 3.5 weeks to 9 days. I mentored four junior engineers and ran weekly Scrum ceremonies.
Earlier, at Siemens, I developed RESTful services for an industrial IoT telemetry ingestion platform and helped raise test coverage from 61% to 84%. At Indiana University of Pennsylvania, I maintained a course registration portal and built Node.js and Express.js endpoints for advising data.
Experience
Work history, roles, and key accomplishments
Led migration of payment reconciliation service to Go microservices on AWS, cutting API latency by 55% and reducing release lead time by 41.3%. Mentored junior engineers and ran Scrum ceremonies.
Developed RESTful services for an industrial IoT telemetry ingestion platform handling 14,200 device messages per minute. Raised test coverage from 61% to 84% and containerized staging services with Docker.
Web Developer
Indiana University of Pennsylvania
Apr 2018 - May 2019 (1 year 1 month)
Maintained a university course registration web portal used by 3,200 students each term. Built Node.js and Express.js REST endpoints and moved static forms to a PostgreSQL-backed application, cutting manual data entry time by 46%.
Education
Degrees, certifications, and relevant coursework
Indiana University of Pennsylvania
Bachelor of Science, Computer Science
2015 - 2019
Bachelor of Science in Computer Science from Indiana University of Pennsylvania, completed in 2019.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Salary expectations
Job categories
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