Dmitry Tsepelev Email & Phone Number

As a principal engineer, I was responsible for team management, technical leadership, performance optimization and architecture refinement. Key accomplishments:1. Built a NewRelic–based monitoring system with custom dashboards for each application component and driven constant observable performance improvements.2. Standardized architecture and enforced best practices with various CI checks.3. Improved quality of unit and integration tests by the detailed documentation, custom matchers and CI checks.3. Architected a per–role schema design for GraphQL and extracted one schema from the initial monolitic one.4. Participated in the development of a competence matrix aiming to improve a learning curve for engineers and mentored team members

Remote

I've been leading the initiative of standardizing GraphQL schemas across the company. It included working on standards itself and applying best practices to the codebase as an engineer and a tech lead. During my work in Toptal I participated in standardizing about 5 huge schemas.Had to leave the company because of the massive layoff.

Remote

Worked as a consultant helping clients with performance, code quality, new features, knowledge sharing and building a strong engineering culture. Focused on PostgreSQL and GraphQL performance.Responsibilities:1. lead small teams up to 4 members;2. participated in hiring new people (as interviewer and home assignment reviewer);3. was an instructor in a bootcamp for middle/senior backend engineer.

Earth

Vladimir Region, Russian Federation

Worked on the internal CRM for a company that did leasing of solar panels in the Central Africa. Cool projects:1. complex ability system with configurable roles;2. multi–tenancy for different counties (which operated as separate businesses but shared some processes);3. built a system for calculating lease cost;4. an application that controls IVR (voice interface) with Ruby.

Vladimir Region, Russian Federation

Master’S Degree, Computer Software Engineering

Bachelor'S Degree, Information Systems And Technologies

Activities and Societies: ACM Team