Backend Engineer, DeFi Wallet

Blockchain.com; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading crypto company in Greater London seeks a proactive Software Engineer to enhance their DeFi platform. The ideal candidate will write clean, testable code, optimize performance, and work closely with interdisciplinary teams while ensuring security in development processes. Ideal applicants are curious engineers with experience in JVM languages and a passion for blockchain technology. The position offers a competitive salary, equity opportunities, and a modern office space with a hybrid work model.

Benefits

Competitive salary and equity

Modern office in London

Comprehensive benefits package

Work from Anywhere policy

Qualifications

• A curious and motivated engineer eager to grow in a fast-paced environment.
• Ability to tackle novel problems with a pragmatic and clean approach.
• Strong advocate for high test coverage, documentation, and effective monitoring.

Responsibilities

• Build on the DeFi wallet platform supporting multiple networks.
• Develop and integrate APIs for various product applications.
• Ensure security is prioritized in all development processes.
• Optimize systems for scalability, extensibility, and performance.

Skills

Integrity

Curiosity

JVM Languages

Blockchain knowledge

Clean coding practices

Tools

Docker

Kafka

PostgreSQL

Job description

is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011 has earned the trust of over 90 million wallet holders and more than 40 million verified users facilitating over $1 trillion in crypto transactions.

We are looking for a proactive Software Engineer to help build our Defi platform. You will play a critical role in building financial and crypto‑native products services and this role you will contribute to the teams success by writing clean and testable code eagerly participating in design reviews and embracing a culture of continuous learning and improvement.

WHAT YOU WILL DO

• Build on our DeFi wallet platform expanding support for multiple networks
• Develop and integrate APIs from new and existing services to our various product applications.
• Be a part of a dedicated engineering team committed to applying the highest standards and shipping secure and performant systems
• Work in the core of solution interacting directly with multiple blockchains and internal services
• Work extensively with open source technologies (Docker Kafka PostgreSQL)
• Ensure security is at the forefront of everything you do
• Work within interdisciplinary teams to continually deliver the highest quality products to our users
• Optimize existing systems for scalability extensibility and performance whilst building out reusable modular code for use across Blockchains products.

WHAT YOU WILL NEED

• The foremost quality for this position or any position at is integrity
• Youre a curious and motivated engineer fascinated by the challenges in the crypto space and eager to grow your skills in a fast‑paced environment.
• You find your way around when confronted to a novel problem not many people faced before
• You possess an innate curiosity you know a few programming languages you are a strong advocate for the best engineering practices and thrive on learning new technologies
• You take a pragmatic approach to developing clean solutions to complex problems
• You pride yourself on consistent high levels of test coverage strong technical documentation and effective monitoring
• You take full responsibility for all the projects you work in
• Preferably experience in at least one JVM based language such as Java Kotlin Scala or willing to learn these languages
• You know how blockchain systems work or have a passion or interest in either Blockchain or Smart Contracts

COMPENSATION & PERKS

• Competitive salary based on experience with meaningful equity in a leading industry company.
• Apple equipment for your work setup.
• Comprehensive benefits package including private medical insurance (BUPA) dental pension life insurance short- and long-term disability coverage.
• Work from a modern accessible office in the heart of London 4 days a week 1 day from home
• The opportunity to contribute to a fast-growing global technology company at the forefront of the industry
• Work from Anywhere Policy

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race religion color national origin gender gender expression sex sexual orientation age marital status veteran status disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization including hiring recruiting promotion termination layoff recall leave of absence and apprenticeship. Blockchain makes hiring decisions based solely on qualifications merit and business needs at the time.

Employment Type : Full Time

Experience : years

Vacancy : 1