851 reactjs developer jobs in United Kingdom.

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Quant Capital

Java Data Developer

9 days ago

Remote

Backend

£85k per annum

... City of London, 10 man flat Dev Team Pay: £85k, Options, training budget, Pension, Life / Health, Some Work from Home NO FINANCE EXPERIENCE NEEDED Core Java Developer Big Data Fintech Quant Capital is urgently looking for a Java Developer to join our high profile client. Our client is a 20 man start up who have created a ...

London, United Kingdom

bet365

Software Developer, Account Management & Onboarding

9 days ago

Hybrid
Full-time

... ground in software innovation too, redefining what’s possible for our customers worldwide. Job Description We are seeking a passionate and hardworking Software Developer to join our dedicated Account Management & Onboarding team as we modernise and maintain our Player Account Management platform. The Onboarding and Account ...

Manchester, United Kingdom

bet365

Software Developer, Offers

9 days ago

Remote
Hybrid

... over 6 million requests daily and process more than 1.5 million bets per hour at peak. Job Description Deliver low-latency, resilient systems as a Software Developer, driving high-throughput event based services. Make a direct impact by building distributed, event-driven architectures that handle millions of live events ...

Stoke-on-Trent, United Kingdom

Hackajob Ltd

Data Lake Developer

9 days ago

Remote
Hybrid
Full-time

£61k - £101k per annum

... stream more live sports than any other company in Europe, process over 6 million requests daily, and handle more than 1.5 million bets per hour. As a Data Lake Developer in our Data Engineering department, you will help build and maintain the infrastructure that supports our global operations and makes data accessible, secure, ...

Manchester, United Kingdom

Xelix

Python Software Developer - Backend

9 days ago

Hybrid
On-site
Full-time

£60k - £80k per annum

... future of Xelix. If you’re excited about building something special with us, we’d love to hear from you. About the role We're seeking Mid and Senior Python Developers to join our back-end development team. This is a varied and challenging programming role. Tasks could include writing code to manage incoming data, working ...

London, United Kingdom

JPMorgan Chase & Co.

AIML Python Developer - Software Engineer III

9 days ago

Contract

IT
Backend

... - Experience with AWS Bedrock, SageMaker (or equivalent managed ML/GenAI platforms), ECS and deployment patterns for scalable inference. - Experience with developer productivity tooling such as GitHub Copilot and Claude Code, paired with strong SDLC controls. - Knowledge of the financial services industry and operating ...

United Kingdom

Senior Python Developer

9 days ago

Hybrid

Backend

Senior Python Developer Position Description At CGI, we deliver secure, innovative technology solutions that help our clients tackle complex challenges and achieve meaningful outcomes. As a Senior Python Developer, you’ll help build and support cloud-native applications that power critical services, working with modern ...

Leeds, United Kingdom

EMBS Engineering

Senior Python AI Developer

9 days ago

Hybrid
On-site
Full-time
Contract

£40k - £60k per annum

... DevOps - EC2 - FastAPI - GitOps - Support - LLM - NoSQL - Python - RAG - SQL - Security - Terraform - microservices More: Were recruiting two Senior Python AI Developers for a technology consultancy delivering enterprise-scale Generative and Agentic AI solutions for a major financial services client. These hands-on roles focus ...

London, United Kingdom

Validus Risk Management

Python Developer

9 days ago

Full-time

IT
Backend

We are looking for a Python Developer to join our Client Success Team. The vision of the Client Success Team is to establish a proactive, client-aligned feedback loop that accelerates high-impact feature delivery for the Validus Horizon platform . By doing so, the team enhances internal efficiency and delivers greater external ...

London, United Kingdom

CBSbutler Holdings Limited trading as CBSbutler

KDB+/q and Python Developer

9 days ago

Hybrid
Full-time

Backend

£85k - £115k per annum

... technical teams to deliver robust, scalable solutions Technologies: - Support - Linux - Python - SQL - Unix More: We are advertising a permanent KDB+/Python Developer role based in London, with hybrid working. The salary is £85,000–£115,000. The successful candidate will join a technology team developing and supporting high-performance, ...

City of Worcester, United Kingdom

Qube Research & Technologies

Quantitative Developer - Commodities (Python)

9 days ago

... frameworks such as Slurm and Ray is beneficial - Experience developing statistical or machine learning models is advantageous - Previous experience mentoring junior developers or interns is beneficial QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and ...

London, United Kingdom

Quant Capital

Python Developer Quant Trading

9 days ago

Backend

Python C# Developer Quant Trading Quant Capital is urgently looking for a Python C# Developer to work for our high profile Hedge Fund Our client is a well known global hedge fund running Marco, Systematic and HDT strategies. I am looking for a resourceful Quantitative Developer to take ownership of the IT architecture and ...

London, United Kingdom

Civic Recruitment Limited

Functional Developer

9 days ago

On-site
Contract

£500 per day

4-5 months contract with a Local Authority Pay Rate: £500 per day Outside IR35 Functional Developer – Dynamics 365 Contact Centre & CRM Summary - This is a 4-5 month contract role with a Local Authority, offering a pay rate of £500 per day outside IR35. The position is for a Functional Developer specializing in Dynamics ...

Lincoln, United Kingdom

Hays Technology

Power Platform Developer

9 days ago

Hybrid
On-site
Contract

£500 per day

... and emerging technologies. Technologies: - Support - Microsoft 365 - Microsoft Power Platform - Office 365 More: We are looking for a Senior Power Platform Developer to join one of our local clients on a 6-month+ contract. This is a hybrid role based in Telford, with 2 days in the office and 3 days working from home, offering ...

Telford, United Kingdom

Almac Group

Software Developer

9 days ago

Hybrid
On-site
Full-time
Contract

Software Developer Location: Charnwood Site, Loughborough. 5 days a week in the office for the first 6 months. After 6 months hybrid working arrangement of 3 days in the office and 2 days working from home will be considered. Hours: 37.5 hours Monday-Friday with core hours 10:00-16:00. Salary: Competitive Business Unit ...

Loughborough, United Kingdom

bet365

Software Developer, Account Management & Onboarding

9 days ago

Hybrid
Full-time

Stoke-on-Trent, United Kingdom

Konrad

Software Developer (Entry Level)

9 days ago

Remote
Hybrid
Full-time

... consumers around the world. We hire exceptionally smart, analytical, and hard working people who are lifelong learners. About The Role As an entry level Software Developer you'll be tasked with working on either mobile or web applications. Working within the software development team, your duties will require you to assist in ...

London, United Kingdom

Client Server

C# Developer Full Stack .Net Core JavaScript

9 days ago

Remote
Hybrid

Backend
Fullstack

£100k per annum

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Are you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect? You could be progressing your career at a highly successful technology business that develops ...

St Albans, United Kingdom

Konrad

Android Developer

9 days ago

Remote
Hybrid

Mobile

... millions of consumers around the world. We hire exceptionally smart, analytical, and hard working people who are lifelong learners. About The Role As an Android Developer you'll be tasked with working on Android application development. Working within the software development team, your duties will require you to assist in the ...

London, United Kingdom

bet365

Software Developer, Offers

9 days ago

Remote
Hybrid

Manchester, United Kingdom