elsemyon
Backend / Blockchain Engineer (Go, Evm)
Backend and blockchain engineer with 9+ years of experience (since 2016), specializing in Go and production-grade distributed systems. Recent focus: DeFi/Dex aggregation, EVM protocol integrations, and Go-based blockchain node. Strong ownership across delivery: architecture and estimation, release engineering, debugging/triage, and quality assurance.
Experience: 10 years
Yearly salary: $90,000
Hourly rate: $50
Nationality: 🇺🇦 Ukraine
Experience
Backend Developer
1inch 2024 - 2025
Integrated support for new protocols/AMMs into the DEX aggregator codebase; maintained protocol adapters and related tooling. Investigated and fixed production issues; provided patches and contributed to release preparation and validation. Collaborated in a 12-person engineering team; participated in estimation, QA, and release processes.
Blockchain Developer
Ultron Foundation 2022 - 2024
Worked on Go-based node codebase: bug fixing, release preparation, and delivery of patches. Extended node functionality to meet internal product and operational needs; supported ecosystem components as required. Operated within a 10-person team, coordinating changes across releases.
Backend Developer (Part-time)
Introduct 2020 - 2021
Refactored legacy code and improved maintainability of the ad-serving service. Designed and developed components of a geo-distributed system for serving ads based on IP/device/location signals.
Backend Developer
Introduct 2018 - 2021
Implemented integrations with multiple casino game providers and maintained related APIs. Owned feature delivery from estimation and scope alignment through implementation, refactoring, and bug fixing. Improved test coverage and reliability of critical services.
Backend Developer
IdeaSoft 2017 - 2017
Designed and developed backend and frontend components; contributed to API design and team coordination. Delivered estimates and supported planning for CRM feature development.
Skills
golang
english