11 of 11 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 ...

Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
using Next.js and React Solid understanding of REST APIs and clientserver architecture Experience with testing frameworks (pytest) and CI / CD pipelines Familiarity with TypeScript, CSS frameworks and component-based UI design Experience with Git and collaborative development workflows Ability to work … services (S3, EC2, ECR, Cognito) Experience working with JupyterHub, JupyterLab or Airflow APIs Experience building developer platforms or internal tooling Knowledge of SQL and / or NoSQL databases AI / Machine Learning Exposure to ML / AI workflows or data science tooling Experience with MLflow or model ...

Senior Full Stack Engineer - Technologist

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Senior Full Stack Engineer / Developer (TypeScript Elixir AWS) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career … full development lifecycle from architecture and design through to implementation. There's a range of technology in the stack, you'll have a 50 / 50 split between backend and frontend development using TypeScript, Elixir, Elm and AWS amongst others, learning and picking new things ...

Mainframe Solutions Architect - Cobol JCL CICS DB2 + Cloud API's Microservices - £120K

Hiring Organisation
Michael James Associates
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 120,000 Annual
office in London Basic Qualifications 10+ years of hands-on technical experience with Mainframe systems and technologies such as Cobol, JCL, Assembler, PL / I, RPG, Rexx, CICS, DB2, IMS DB, IMS DC, VSAM, Adabas / Natural Experience on distributed Client Server architecture systems … Tanzu, IBM OpenShift, Oracle Cloud. Preferred Qualifications 15+ years designing architectures for mission-critical, large-scale transaction processing and batch applications on IBM z / IBM i systems. Experience with AI-assisted code relearning and conversion tools , automated modernization frameworks , and agentic AI orchestration . Familiarity with AWS Mainframe ...

Senior Software Engineer C# .Net - Hedge Fund

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Software Engineer / Developer (C# .Net) London onsite to £150k Join a global hedge fund specialising in sports trading as a Senior Software Engineer, working on high-performance, real-time trading systems. You'll own greenfield projects, partner directly with quants and strategy teams and build low-latency … impact Build backend services, APIs and trading engine components in C# Collaborate closely with strategy, quant and engineering teams Tech: C# .Net, ASP.Net, SQL / Oracle, JavaScript, React Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise ...

Backend Python Developer

Hiring Organisation
CheMastery Group Ltd
Location
City of London, London, United Kingdom
remained unchanged over the past 160 years. The lack of standardisation and digitisation created many problems for this fundamental industry, including reproducibility and cost / time efficiency which cost millions annually. A start-up in London, looking to expand its highly interdisciplinary team of exceptionally talented mechanical engineers, software … rewards. - Able to work alone and as part of a team. - You must be entitled to work in the UK. Desirable - Experience with C / C++ or firmware development. - Experience with GitHub and GitHub actions. - Project management / history of sole responsibility. - Previous start up experience. - Experience ...

Platform Engineer AWS Python - Fintech

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Platform Engineer (AWS Python) London / WFH to £100k Do you have expertise with AWS? You could be joining a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression. … business, with clear objectives, initial projects will be on a database migration to AWS and an overhaul of security across the cloud estate. Location / WFH: There's a hybrid work from home policy, with Monday to Wednesday in the brand new London offices and flexibility to work from ...

Application Developer

Hiring Organisation
Larbey Evans
Location
City Of London, England, United Kingdom
Applications Developer We are on the lookout for a versatile, forward-thinking Applications Developer who excels in developing high-performance web, mobile, and client-server applications, and who takes a proactive … approach to technology trends in the legal industry to meet evolving business needs. Salary to £80,000 Hybrid working (4 days in the office / 1 day WFH) 09:30-17:30 (Monday-Friday) £100 monthly employee contribution that can be used for lunch or other expenses Free lunch ...

Applications Developer

Hiring Organisation
Larbey Evans
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Applications Developer We are on the lookout for a versatile, forward-thinking Applications Developer who excels in developing high-performance web, mobile, and client-server applications, and who takes a proactive … approach to technology trends in the legal industry to meet evolving business needs. Salary to £80,000 Hybrid working (4 days in the office / 1 day WFH) 09:30-17:30 (Monday-Friday) £100 monthly employee contribution that can be used for lunch or other expenses Free lunch ...

Sports Python Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
trading domain Strong Python development skills with solid object-oriented programming fundamentals Experience building or maintaining data-driven applications or pipelines Exposure to client-server system architecture Experience working with tools such as Pandas or Jupyter for data analysis Knowledge of databases such as MySQL ...

C++ Trading Platform Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
Looking For Strong C++ skills (assessment will form part of the process) Deep understanding of data structures and performance optimisation Experience building client-server network applications Curiosity to understand how C++ standard libraries and systems work “under the hood” Strong analytical and problem-solving ability Desirable ...