Note: The job is a remote job and is open to candidates in USA. Fold is a publicly listed bitcoin financial services company building essential tools for engaging with Bitcoin. They are seeking a Senior Back End Engineer to design, build, and scale backend services that power payments and real-time transaction processing, directly impacting the product's trajectory.
Responsibilities
- Designing and implementing scalable, reliable backend services that handle real-time transaction processing
- Building and evolving event-driven systems for processing financial events
- Integrating with external partners — card processors, banking APIs, payment networks
- Owning features end-to-end, from technical design through deployment and monitoring
- Collaborating closely with product, design, and fellow engineers to ship quickly and iteratively
- Mentoring other engineers through code reviews, pairing, and architectural guidance
- Improving engineering practices, tooling, and infrastructure as the team grows
Skills
- 5+ years of professional software engineering experience with strong proficiency in Java or a similar statically-typed language (Kotlin, Scala, C#)
- Experience building and operating production microservices and distributed systems
- Experience with messaging or event streaming systems (Kafka, Pulsar, or similar)
- Solid understanding of relational databases with an intuition for data modeling and transactional consistency
- Comfort working with cloud infrastructure, CI/CD pipelines, and containerization
- Experience scaling systems in a fast-paced, growth-stage environment
- Strong communication skills and a collaborative, low-ego mindset
- Candidates must have permanent legal authorization to work in the United States. Visa sponsorship is not available for this position
- Experience with financial systems, payment processing, or ledger/accounting domains
- Familiarity with event-driven architectures, CQRS, and event sourcing patterns
- Experience with Micronaut, Quarkus, or similar modern Java frameworks
- Passion for Bitcoin
- You're already a Fold user
Benefits
- We’re a highly collaborative, fully remote team
- Flexible work schedule, including flexible time off
- Competitive salary
- Equity package
- 401k with employer match up to 3%
- Yearly vacation stipend
- Comprehensive health, vision and dental insurance, including HSA and FSA accounts
- Paid parental leave
- Regular in-person team meetups to socialize and co-work
- New to Bitcoin? We offer all our new hires a “starter pack” to get you up to speed, including learning materials about Bitcoin and your own hardware wallet.
Company Overview
Fold is a financial services company specializing in Bitcoin, offering products that provide access to Bitcoin investment opportunities. It was founded in 2014, and is headquartered in Atlanta, Georgia, USA, with a workforce of 11-50 employees. Its website is https://foldapp.com.