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Open nowPosted 121 days ago

Senior Software Engineer

Workable (global search)108,016 open roles

Where
London, England, United Kingdom
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Your applicationOpen nowSenior Software EngineerWorkable (global search) · London, England, United Kingdom

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The clock on this job

Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 121 days ago

Workable (global search) median: 7 days open

The posting

G MASS are currently looking for an experienced Software Engineer to join a leading Investment Manager client. This role sits within a core engineering team at the centre of a highly quantitative investment environment, supporting the technology and data platforms that underpin systematic trading strategies and advanced research.

You will be working in a fast-paced, data-driven environment where engineering plays a critical role in enabling investment teams to access, process and utilise large volumes of market and research data.

Responsibilities

  • Design, develop and enhance large-scale data and infrastructure platforms supporting trading and research.
  • Build and maintain systems capable of processing large volumes of data from numerous global sources.
  • Work closely with researchers, traders and engineers to ensure platforms effectively support investment workflows.
  • Contribute to improving the scalability, performance and reliability of distributed systems.
  • Develop and maintain services primarily using Java and Python.
  • Work across modern data and messaging technologies including Kafka, ArcticDB and MongoDB.

Requirements

  • Degree in a quantitative/technical field (e.g. Computer Science, Mathematics, Engineering or Physics)
  • 5+ years’ software engineering experience using Java or Python
  • Strong Linux and Git knowledge
  • Experience with modern databases (e.g. Postgres, MongoDB or similar)
  • Strong problem-solving skills and attention to detail
  • Able to work independently and collaborate with stakeholders

Nice to have

  • Exposure to distributed systems
  • Open-source contributions
  • Familiarity with LLMs / AI tooling

Benefits

Salary: up to £100k

Permanent contract.

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