Senior Software Engineer (Kotlin)

XCELYST PARTNERS INC
London, WV, United States
3 months ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Compensation
$100,000.0 - $140,000.0
Working hours
Regular working hours
Job source

Tech stack

Clean Code Principles Cloud Computing Software Quality Continuous Integration Key Management Systems Development Life Cycle Data Logging Test-Driven Development (TDD) System Availability Reliability of Systems Kotlin Extreme Programming

Requirements

Do you have experience in Test-driven development?, This is a hands-on engineering role with strong emphasis on Extreme Programming (XP) practices, including mob programming, test-first development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, working closely as a team to maintain a high standard of code quality and system reliability., * Strong commercial experience building backend services in Kotlin

  • Deep experience with XP practices, including:

Mob programming as a primary way of working

Test-driven development (TDD)

Continuous refactoring and clean code discipline

  • Cloud experience in CARE Cloud / GCP, including:

GKE and / or Cloud Run

Cloud SQL, Memorystore

Artifact Registry, Cloud Logging

Key Management

  • CI/CD and SDLC experience in a regulated / enterprise environment
  • Comfortable working in production systems with high availability and correctness requirements

Benefits & conditions

Pulled from the full job description

  • Referral program
  • Health insurance
  • Paid time off
  • Dental insurance
  • Life insurance, We are building a new issuance platform to replace a legacy bookbuilder. The system is akin to a real-time trading platform, used by ~1,000 global users who add and remove orders in real time during a tight ~5-hour execution window. The platform supports issuances totalling over a trillion euros annually.

Foundational services are already in place; the focus now is on expanding into core business features such as Sales screens, hedge workflows, and allocation processes. The work is delivered incrementally, with a strong emphasis on small, testable changes, frequent feedback, and sustainable pace.

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

Pay: $100,000.00 - $140,000.00 per year

Benefits:

  • Dental insurance
  • Health insurance
  • Life insurance
  • Paid time off
  • Referral program

About the company

Leading BFSI Client require two senior, experienced Kotlin engineers to support and extend a cloud-hosted platform used for bookbuilding issuances across Investment Banking Capital Markets. These roles will join a high-calibre London front-office engineering team building a new issuance platform to replace a legacy bookbuilder.

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