Senior Kotlin Software Engineer (Contract) Location: Belfast (Hybrid) Contract: 12 Months with extensions Daily Rate: Negotiable Overview VANRATH are delighted to be partnering with a leading technology organisation to recruit Senior Kotlin Software EngineerS for a major platform modernisation programme. This is a high-impact contract focused on developing modern Kotlin applications as part of a large-scale platform transformation, delivering secure, high-performance software supporting next-generation payment solutions. Key Responsibilities Develop and maintain production-grade Kotlin applications Contribute to the modernisation of a large-scale platform Collaborate with architects and engineers on system design and technical decisions Write clean, scalable and well-tested code Support integration, troubleshooting and continuous improvement Work within Agile teams to deliver key project milestones Essential Skills Strong commercial Kotlin development experience 5+ years' software engineering experience Strong object-oriented programming and software design principles Experience building scalable, enterprise applications Agile development experience Desirable Platform migration or modernisation projects Payments, FinTech or regulated industry experience JVM performance tuning, embedded systems or cloud technologies What's on Offer? 12-month contract - very likely extension Daily rate Hybrid working Long-term programme with strong extension potential Opportunity to work on a business-critical platform transformation with real technical ownership For further information on this job, apply via the link or contact the VANRATH office for a confidential chat today. Follow VANRATH on LinkedIn for expert career advice, the latest jobs, industry news and much more Skills: kotlin contract. fintech TLNT1_NI