Referso Jobs

Partner with end users to build and maintain high-performance data solutions
Own full lifecycle of data and AI solution delivery from discovery to sunsetting
Guide customers through emerging technologies and engineering tailored solutions
Support multiple concurrent projects across full-stack development, data science, and AI workflows
Explore and integrate new services and platforms into customer ecosystems

Requirements

Bachelor’s degree

Skills

Python SQL Scala Java geospatial data Spark Databricks

Senior Frontend Developer

Citi · Posted Nov 3, 2026

Open

London, England, United Kingdom
Full-time · Senior

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Lead design and development of high-performance UI applications for eTrading and Algo platforms, providing technical oversight and ensuring engineering excellence.

Responsibilities

Design and develop modern, high-performance UI applications for eTrading and Algo platforms
Provide technical oversight across systems and applications
Follow application development life cycle best practices and drive engineering excellence
Balance time-to-market with governance, compliance, and audit mandates

Requirements

Bachelor's degree/University degree or equivalent experience
Nice to have: Electronic trading (eTrading) experience
Nice to have: Financial industry experience
Nice to have: Rates Products knowledge

Skills

React Angular Vue WebSockets HTTP streaming SSE RxJS

Senior Frontend Developer

Citi · Posted Nov 3, 2026

Open

London, England, United Kingdom
Full-time · Senior

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Lead design and development of high-performance UI applications for eTrading and Algo platforms within Citi Tech.

Responsibilities

Design and develop modern, high-performance UI applications for eTrading and Algo platforms, including real-time data visualization
Utilize in-depth knowledge across multiple Applications Development areas to provide technical oversight across systems and applications
Follow application development life cycle best practices and drive engineering excellence
Balance time-to-market with proper governance, compliance, and audit mandates

Requirements

Bachelor's degree/University degree or equivalent experience
Nice to have: Electronic trading (eTrading)
Nice to have: Financial industry experience
Nice to have: Rates Products (Bonds, Swaps, Futures)

Skills

React Angular Vue WebSockets HTTP streaming SSE

Senior Software Engineer (Python / TypeScript / Azure)

CHAOS Industries · Posted Nov 3, 2026

Open

London, England, United Kingdom
On-site
Full-time · Senior
£100K–£150K per year

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Build the software behind some of the world’s most advanced radar systems.

Compensation

£100,000-£150,000 + pre-IPO stock options

Responsibilities

Build high-performance Python services that ingest, process and distribute real-time sensor data with low latency, high reliability and security at scale
Build the web apps (TypeScript and React) operators use to monitor live missions and investigate what the sensors saw
Design and build secure, scalable Azure services for distributed radar systems, defining the infrastructure as code and instrumentation for what you own
Work alongside software, hardware and systems engineers, and the teams who take these systems into the field
Influence architecture and help define the engineering foundations of a fast-evolving platform

Requirements

Nice to have: Python
Nice to have: TypeScript
Nice to have: React
Nice to have: Azure
Nice to have: infrastructure as code

Skills

Python TypeScript React Azure

Lead Solutions Architect - Customer

Lead Solutions Architect - Customer

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Information Operations Data Engineer

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Senior Frontend Developer

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Senior Frontend Developer

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Senior Software Engineer (Python / TypeScript / Azure)

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Real-time Data jobs

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