5 of 5 Client/Server Jobs in the City of London

Mobile Engineer

Hiring Organisation
Expedia Group
Location
City of London, London, United Kingdom
native Android applications. Proficient in Kotlin (and familiar with Java), with a solid grasp of Android fundamentals and app lifecycle. Comfortable working with REST / GraphQL APIs, client / server patterns, and modern Android tooling (e.g., Jetpack, Compose). Intentional about building high‐quality … experiences. Thoughtful about using AI‐powered coding and productivity tools Preferred Qualifications: Experience using Jetpack libraries and modern Android tooling (e.g., Jetpack Compose, Coroutines / Flows, Android Studio, Gradle) to build scalable, testable architectures. Awareness of performance and reliability considerations on mobile (app start, scrolling performance, memory, battery ...

Senior Software Engineer Java - Futures Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Senior Software Engineer / Developer (Java AWS Kafka) London / WFH to £140k Are you a Java technologist who enjoys building systems from scratch? You could be progressing your career, in a senior, impactful role at a global, cloud-native, prime broker that is replacing the legacy infrastructure … empowered to implement the latest tech, seeking continual improvement and can build a team around you, progressing to a leadership role. Location / WFH: You'll join a small, highly talented and collaborative team in the London, City office three days a week with flexibility to work from home ...

Enterprise Architecture Tooling Lead

Hiring Organisation
Cirrus Nexus
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Enterprise Architecture Tooling Lead Cirrus Nexus UK Ltd Location: UK / EU (Remote or Hybrid Client site: London or Edinburgh) Contract: 6-month fixed-term contract (extension possible) Level: Senior Consultant / Technical Lead About the Role Cirrus Nexus UK is seeking an experienced Enterprise Architecture … Horizzon Server BiZZdesign, ArchiMate, or TOGAF certifications Experience with Planview or enterprise portfolio management tools Exposure to OpenSearch, Elasticsearch, DevOps, CI / CD, or infrastructure as code Whats on Offer Competitive day rate Flexible remote / hybrid working Opportunity to work on complex enterprise architecture programmes ...

Software Engineer C# .Net - Sports Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Software Engineer / Developer (C# .Net) London onsite to £90k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a hands-on, backend focussed Software Engineer role at a global sports trading firm, earning substantial bonuses. What … have strong C# .Net, ASP.Net development experience You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder ...

Backend Software Engineer Python FastAPI SQL

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
Backend Software Engineer / Developer (Python FastAPI SQL) London to £95k Are you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses … purposes. You'll also collaborate with the Infrastructure Team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About ...