Senior Kotlin Engineer (XP, GCP) - Investment Banking - London

Senior Kotlin Engineer (XP, GCP) - Investment Banking - London in London | Salt Search Search These jobs were popular with other job seekers AI & M365 Solutions Engineer DGH Recruitment City of London (EC1) £85000 - £95000 per annum 23 hours ago NEW Lead Broadcast Media Engineer SDVI ingest platforms PCR Recruitment Limited London £600 - £700 per day + Negotiable - Outside IR35 (TBC) 23 hours ago NEW Machine Learning Engineer Emporia Consulting Group Limited The City, City of London (EC2), EC3V 3LA Paying up to £1000 per day 1 day ago Senior ServiceNow Engineer Outsource London 1 day ago Solutions Architect JAM Recruitment Ltd UK Up to £675.23 per day 1 day ago Senior Machine Learning Engineer Staffworx Limited London Up to £150,000 per annum excellent salary, bonus, stock options 1 day ago Integration Architect / Engineer Keystream Group Limited London £450 - £500 per day 1 week ago Technical Lead, D365, Power Pages, Sanderson Recruitment London £500 - £550 per day + Hybrid 1 week ago Data Engineer – PySpark / Python Essential Consulting City of London (EC1) £600 per day (inside IR35) 23 hours ago NEW Tech Lead (£80k + benefits) Morson Edge City Centre, Manchester (M2), m1 £70k - 80k per year + benefits 2 days ago AI & M365 Solutions Engineer DGH Recruitment City of London (EC1) £85000 - £95000 per annum 23 hours ago NEW Lead Broadcast Media Engineer SDVI ingest platforms PCR Recruitment Limited London £600 - £700 per day + Negotiable - Outside IR35 (TBC) 23 hours ago NEW Machine Learning Engineer Emporia Consulting Group Limited The City, City of London (EC2), EC3V 3LA Paying up to £1000 per day 1 day ago Senior ServiceNow Engineer Outsource London 1 day ago Solutions Architect JAM Recruitment Ltd UK Up to £675.23 per day 1 day ago Senior Machine Learning Engineer Staffworx Limited London Up to £150,000 per annum excellent salary, bonus, stock options 1 day ago Integration Architect / Engineer Keystream Group Limited London £450 - £500 per day 1 week ago Technical Lead, D365, Power Pages, Sanderson Recruitment London £500 - £550 per day + Hybrid 1 week ago Data Engineer – PySpark / Python Essential Consulting City of London (EC1) £600 per day (inside IR35) 23 hours ago NEW Tech Lead (£80k + benefits) Morson Edge City Centre, Manchester (M2), m1 £70k - 80k per year + benefits 2 days ago Senior Kotlin Engineer (XP, GCP) - Investment Banking - London Salt London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford Contract Published: 22 hours ago £500 - £800 per day Senior Kotlin Engineer (XP, GCP) - Investment Banking - London Salt Senior Kotlin Engineer (XP, GCP) - Investment Banking - London/Hybrid Daily rate: £600 - £800 (inside IR35) Duration: 6 months Start: ASAP My client is looking for an experienced Senior Kotlin engineer to support and extend a cloud-hosted platform used for bookbuilding issuances within Investment Banking Capital Markets. You will join a high-calibre London-based front office engineering team working on a next-generation issuance platform replacing a legacy bookbuilding system. This is a hands-on engineering role with a strong emphasis on Extreme Programming (XP) practices, including mob programming, test-driven development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, collaborating closely to maintain high standards of code quality, system reliability, and performance. Required & Desirable Skills Strong commercial experience building backend services using Kotlin Experience with event-sourced and event-driven architectures Deep familiarity with XP practices, including: Mob programming as a primary way of working Test-driven development (TDD) Continuous refactoring and clean code principles Cloud experience with GCP, including: GKE and/or Cloud Run Cloud SQL and Memory store Artifact Registry and Cloud Logging Key Management Experience with CI/CD and SDLC in regulated or enterprise environments Comfortable working on production systems requiring high availability and accuracy Engineers in this role: Work primarily in mobs, sharing ownership of design and code Build, test, and evolve services with a strong focus on clarity, simplicity, and maintainability Support the platform in production, using incidents and defects as opportunities to improve system design and resilience *Rates depend on experience and client requirements Similar Senior Kotlin Engineer (Xp, Gcp) Jobs Popular with Other Job Seekers AI & M365 Solutions Engineer DGH Recruitment City of London (EC1) £85000 - £95000 per annum 23 hours ago NEW Lead Broadcast Media Engineer SDVI ingest platforms PCR Recruitment Limited London £600 - £700 per day + Negotiable - Outside IR35 (TBC) 23 hours ago NEW Machine Learning Engineer Emporia Consulting Group Limited The City, City of London (EC2), EC3V 3LA Paying up to £1000 per day 1 day ago Senior ServiceNow Engineer Outsource London 1 day ago Solutions Architect JAM Recruitment Ltd UK Up to £675.23 per day 1 day ago Senior Machine Learning Engineer Staffworx Limited London Up to £150,000 per annum excellent salary, bonus, stock options 1 day ago Integration Architect / Engineer Keystream Group Limited London £450 - £500 per day 1 week ago Technical Lead, D365, Power Pages, Sanderson Recruitment London £500 - £550 per day + Hybrid 1 week ago Data Engineer – PySpark / Python Essential Consulting City of London (EC1) £600 per day (inside IR35) 23 hours ago NEW Tech Lead (£80k + benefits) Morson Edge City Centre, Manchester (M2), m1 £70k - 80k per year + benefits 2 days ago Senior Engineer jobs Senior Engineer jobs in London IT jobs IT jobs in London Software Development jobs Software Development jobs in London Jobs in London Junior Engineer jobs Senior Project Engineer jobs Senior Software Engineering jobs Engineer Senior jobs Senior Principal Engineer jobs Senior Safety Engineer jobs Senior Electrical Engineer jobs Senior Civil Design Engineer jobs Senior Software Engineer jobs Chief Engineer jobs Senior Design Engineer jobs Senior Civil Engineer jobs Senior Site Engineer jobs Senior Service Engineer jobs Senior Systems Engineer jobs Senior Mechanical Engineer jobs Get hired. 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