Build, extend, and operate backend services and APIs for 1inch products and internal platforms.
Improve the scalability, reliability, maintainability, and developer experience of backend systems.
Design and implement integrations with smart-contract platforms, blockchain data sources, and external services.
Contribute to observability, monitoring, incident response, and post-mortem processes.
Optimize backend services for performance, resilience, and operational efficiency.
Collaborate with product, blockchain, and infrastructure teams to deliver reliable distributed systems.
Participate in code reviews, testing workflows, and engineering best practices across the development lifecycle.
Own services end-to-end at senior level, define technical direction, and mentor other engineers.

Requirements

Professional experience building and operating backend systems in production environments.
Strong proficiency in Golang or another backend/systems programming language with practical concurrency and performance knowledge.
Solid understanding of system design fundamentals, including services, data flows, reliability, and maintainability.
Familiarity with blockchain platforms, smart contracts, transaction handling, and on-chain integrations.
Experience working with containerised services and modern deployment practices.
Strong problem-solving skills and the ability to work effectively in fast-paced engineering environments.
Ability to balance technical quality, scalability, and operational reliability.
At senior level, experience owning projects end-to-end and contributing to architectural decision-making.
Experience working with multiple blockchain networks or non-EVM ecosystems is preferred.
Familiarity with on-chain data indexing, observability tooling, or protocol debugging systems is preferred.
Experience building performance-sensitive systems such as routing engines, risk controls, or high-throughput pipelines is preferred.
Experience working within fintech, crypto, or other correctness-critical domains is preferred.
Exposure to distributed systems or low-latency infrastructure architectures is preferred.

Interested in this position?

Apply directly on the company website

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