1 month ago
Remote, CyprusMid Level
Responsibilities
- Design and develop fraud detection systems for payments, wallets, authentication, and user activity.
- Build real-time fraud pipelines, event-processing systems, scalable backend services, APIs, and internal risk tooling.
- Develop fraud rules, velocity controls, dynamic risk scoring, and decision engines for transaction approval, review, or rejection.
- Analyze behavioral, transactional, device, and risk data to improve detection accuracy and reduce false positives.
- Investigate emerging fraud patterns and deploy automated countermeasures.
- Collaborate with Product, Payments, Data, Platform, Fraud, Support, and Compliance teams.
Requirements
- 4+ years of software engineering experience.
- Experience building fraud prevention, risk, payment, banking, fintech, or security systems.
- Strong backend development experience with Go, Java, Kotlin, Python, or similar.
- Experience with distributed systems and event-driven architectures.
- Strong SQL skills and experience with large datasets.
- Understanding of payment flows, authentication, and transactional systems.
- Experience designing real-time decision engines.
- Strong analytical and problem-solving skills and fluent English.
- Nice to have experience in crypto, Web3, blockchain, Kafka, ClickHouse, Redis, Elasticsearch, machine learning fraud models, AML, KYC, payment risk systems, device fingerprinting, behavioral analytics, or identity verification.
Benefits
- Remote or hybrid work with flexible hours across international teams.
- Support for courses, conferences, and English learning with up to 100% coverage.
- Up to 20 vacation days, 8 company holidays, and 5 personal days per year.
- Structured performance reviews and team awards.
- International team retreats, including company apartments in Cyprus.
About GoMining
GoMining builds a consumer Bitcoin platform that lets users buy and trade tokenized hashpower (“Digital Miners”) and earn BTC while GoMining runs the hardware. It also offers a wallet and a payment card in supported regions, with the GOMINING token integrated into the ecosystem. Founded in 2017 and headquartered in Limassol, Cyprus, the company monetizes through miner sales and platform fees across its mobile and web apps.