Company Overview

The organisation operates in the fintech and blockchain technology sector, developing software infrastructure for digital financial services and blockchain-enabled applications. Its technology initiatives focus on supporting secure digital asset operations, distributed application development, blockchain connectivity, and dependable financial technology infrastructure.

Role Summary

The Blockchain Infrastructure Software Engineer will be responsible for developing and maintaining the technical infrastructure that connects blockchain networks with financial applications and digital asset platforms. The role involves building blockchain connectivity services, developing infrastructure components, improving transaction processing capabilities, and supporting reliable communication between distributed systems.

Working remotely from Estonia, the successful candidate will collaborate with blockchain developers, backend engineers, cybersecurity specialists, and infrastructure teams. The position requires practical knowledge of blockchain protocols, distributed computing, software engineering, and infrastructure automation.

Key Responsibilities

• Develop and maintain software components supporting blockchain infrastructure and digital financial applications.

• Build services that connect internal fintech platforms with supported blockchain networks.

• Implement blockchain node communication and transaction submission mechanisms.

• Develop systems for retrieving, processing, and validating on-chain transaction information.

• Create reliable event-processing workflows for blockchain activity and transaction monitoring.

• Improve infrastructure performance, availability, and scalability.

• Develop backend services supporting digital asset balances, transaction histories, and blockchain data processing.

• Implement secure key-management integrations and appropriate access-control mechanisms.

• Collaborate with smart contract developers to support application and infrastructure integration.

• Monitor blockchain network changes, protocol upgrades, and infrastructure compatibility.

• Develop automated testing procedures for blockchain connectivity and transaction workflows.

• Investigate network interruptions, transaction failures, and infrastructure performance issues.

• Maintain technical documentation covering deployment processes and infrastructure architecture.

Requirements and Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or a related technical field.

• At least four years of professional software engineering experience.

• Practical experience with blockchain infrastructure or distributed application development.

• Proficiency in Go, Rust, Python, or TypeScript.

• Understanding of blockchain protocols, node architecture, transaction validation, and distributed ledgers.

• Experience working with Ethereum-compatible networks or other blockchain ecosystems.

• Knowledge of RPC interfaces, WebSockets, and event-driven architectures.

• Familiarity with Docker, Kubernetes, Linux, and cloud infrastructure.

• Understanding of cryptographic principles and secure software development.

• Experience with automated testing, monitoring, and deployment pipelines.

• Strong problem-solving and independent technical execution abilities.

Benefits

• Fully remote working arrangement within Estonia.

• Opportunity to develop infrastructure supporting blockchain-based financial applications.

• Exposure to distributed ledger technologies and digital asset infrastructure.

• Access to continuous technical development and professional learning.

• Collaboration with international blockchain and fintech engineering teams.

• Flexible working environment.

Application Instructions

Candidates should submit an updated CV outlining their blockchain engineering, backend development, and infrastructure experience. Applicants are encouraged to provide details of relevant blockchain projects, programming languages, infrastructure technologies, and distributed systems they have worked with.

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