This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Backend Software Engineer - Custody in Europe.

This role offers the opportunity to contribute to the development of secure, scalable, and high-performance backend systems in the rapidly evolving digital assets space. You will work with cutting-edge technologies to design and implement robust applications that handle large volumes of transactions while ensuring the highest security standards. The position emphasizes innovation, collaboration, and technical excellence, giving you ownership over core services and the chance to solve complex challenges in blockchain and cryptography. You will collaborate with a distributed team of experts, including engineers, cryptographers, and hardware specialists, in a fully remote environment. This role combines hands-on engineering with the ability to influence product design and security practices. It is ideal for professionals passionate about blockchain technology, distributed systems, and advancing the state of secure digital asset custody.

Accountabilities

• Integrate existing systems with new and emerging blockchain networks.
• Design and implement low-latency, high-availability, and secure applications.
• Develop and maintain highly scalable services handling large transaction volumes.
• Work on specialized hardware integrations, such as HSMs, for secure operations.
• Write reusable, testable, and efficient code while adhering to best practices.
• Own, enhance, and maintain existing crypto services and backend infrastructure.
• Collaborate with cross-functional teams to ensure the highest security and performance standards.

Requirements

• 5–10 years of experience as a backend software engineer.
• Proficiency in Rust, C++, or Go.
• Experience with blockchain daemons, such as Bitcoind, Litecoind, or other cryptocurrency software.
• Strong foundation in cryptographic principles and secure software development.
• Hands-on experience with distributed systems, messaging platforms like Kafka, and asynchronous programming.
• Knowledge of containerization and orchestration tools, such as Docker and Kubernetes.
• Understanding of authentication, authorization, and security compliance requirements.
• Familiarity with scalable application design principles.

Preferred / Bonus Skills:

• Senior leadership or mentoring experience.
• Experience with embedded systems or constrained environments.
• Hands-on experience with custodial cryptography and secure crypto service development.
• Proven ability to lead projects involving high-security, high-volume backend systems.

Benefits

• Competitive salary and performance-based incentives.
• Fully remote work with flexibility across European time zones.
• Ownership over critical backend systems in the digital assets industry.
• Exposure to cutting-edge blockchain, cryptography, and distributed systems technologies.
• Collaborative and inclusive work environment with a focus on innovation and security.
• Opportunities for professional growth, mentorship, and skill development.
• Flexible work schedule with emphasis on productivity and outcomes.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly.
🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements.
📊 It compares your profile to the job’s core requirements and past success factors to determine your match score.
🎯 Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role.
🧠 When necessary, our human team may perform an additional manual review to ensure no strong profile is missed.

The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, we share it directly with the company that owns the job opening. The final decision and next steps (such as interviews or additional assessments) are then made by their internal hiring team.

Thank you for your interest!

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