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Senior Backend Engineer

Intercepta· London, England, United Kingdom
Posted 5 Aug 2026 · Added 5 Aug 2026, 14:56
AI summary

Design and scale low-latency backend systems using Python, Go, or Rust, with streaming pipelines (Kafka, Flink, Spark), SQL/NoSQL data systems, and cloud infrastructure (AWS/GCP, containers, CI/CD). The team builds real-time security infrastructure that detects risk and prevents attacks inside transaction flows for wallets, exchanges, and fintech platforms.

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About Intercepta

Intercepta builds real-time security infrastructure that operates inside transaction flows — detecting risk, simulating intent, and preventing attacks before execution.

Role Overview

As a Senior Backend Engineer, you will design and scale systems that process onchain data, generate risk signals, and power mission-critical protection for wallets, exchanges, and fintech platforms.

Your Impact

Design and build low-latency backend systems for real-time threat detection

Develop services that analyze and simulate transaction behavior before execution

Work with high-volume blockchain data and streaming pipelines

Build and optimize data processing systems for reliability, throughput, and speed

Collaborate with data and security teams to productionize detection logic

Contribute to system architecture, scalability, and infrastructure decisions

Own systems end-to-end — from design to deployment and monitoring

Requirements

5+ years of backend engineering experience building and scaling complex systems

Strong proficiency in Python, Go, or Rust

Experience with distributed systems and high-load environments

Deep understanding of EVM internals, transaction lifecycle, and blockchain node architecture (RPC, mempool, execution layer)

Experience with real-time or streaming systems (Kafka, Flink, Spark, etc.)

Strong understanding of data systems (SQL/NoSQL, data pipelines, storage)

Experience with cloud infrastructure (AWS/GCP), containers, and CI/CD

Strong system design and problem-solving skills