Coinme · 3 hours ago
Senior Software Engineer, Custody
United States
Full-time
Remote
Senior Level
5+ years expCoinme is redefining access to financial services in a digital world through blockchain technology. The Senior Software Engineer, Custody will design solutions, develop software systems, and work closely with the engineering team to manage the flow of funds and enhance customer transactions involving cryptocurrency.
BitcoinBlockchainCryptocurrencyFinTechVirtual Currency
Responsibilities
Design solutions for complex technical and business problems
Develop software systems and components for our rapidly growing business
Write performant, maintainable code while iterating and shipping rapidly
Work within our backend architecture and technology stack based on:
Java 17 or higher with Project Reactor (Reactive Java)
Spring Boot
Command and Query Responsibility Separation (CQRS) architecture and Event Sourcing (ES)
Full microservice environment
RESTful APIs for synchronous flows
Event-driven design (powered by CQRS and ES) for async flows
Webhooks and Server-sent events
Axon Framework for intra-domain event-driven design
Kafka for inter-domain event-driven design
Kubernetes, Helm charts, Argo platform
MySQL DB
Mongo DB
AWS solutions (EC2, RDS, etc.)
Author and maintain unit and integration tests
Work with your Scrum team to plan sprints and delivery of features
Drive engineering excellence, operational stability and security into all layers of the platform
Participate in design and architecture discussions and planning
Drive the execution and delivery of features by collaborating with cross functional stakeholders
Work with Engineering Leadership to drive best practices in software development, testing, and production operations
Mentor other engineers, helping them grow in their careers
Contribute to recruiting efforts to continue to build your team
Qualification
Required
Bachelor's degree in Computer Science, Software Engineering, or equivalent experience
5+ years of experience as a software developer
Experience building scalable services and distributed systems in Java or similar object-oriented language
Experience driving technical designs within a team
Experience writing code that is readable, scalable, and instrumented
Experience working in a fast-paced Agile development environment
Experience in communicating with users, other technical teams, and product to understand requirements, describe software product features and technical designs
Experience with cryptocurrency and blockchain technology, especially custody solutions
Java & Spring Boot expertise
Experience with a microservice environment
Kafka, RabbitMQ, ActiveMQ or similar tech
RESTful APIs for synchronous flows
MySQL DB
Mongo DB or similar NoSql database
Experience with Kubernetes or any cloud development platforms
Preferred
Experience working in the financial services industry
Experience or working knowledge of CQRS architecture and Event Sourcing concepts
Experience with Event-driven design
Reactive Java, Project Reactor
Webhooks, Server-sent events, Websocket or any async notification technology
Axon Framework
Experience with AWS solutions
Company
Coinme
Coinme is a digital currency exchange that operates a bitcoin ATM network to gain access to virtual currency.
11-50 employees
H1B Sponsorship
Coinme has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2022 (1)
Funding
Current Stage
Early StageTotal Funding
$30.56MKey Investors
MoneyGram InternationalDigital Currency GroupPantera Capital
2026-01-13Acquired
2022-10-11Seed· $0.77M
2022-01-05Series A
Leadership Team
Neil Bergquist
Co-Founder and CEO
Sung Woo Choi
VP of Business & Corporate Development
Recent News
2026-01-18
2026-01-17
Company data provided by crunchbase