Software Engineer Data

G-Research; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading quantitative finance firm in Greater London is looking for skilled Software Engineers to enhance their Core Data Technology function. Candidates should have experience in programming languages like Java or C++ and be capable of building production systems focused on performance and reliability. This role offers competitive compensation with numerous benefits, including substantial annual leave and a supportive work environment that values clean coding practices.

Benefits

Highly competitive compensation plus annual discretionary bonus

Lunch provided

35 days’ annual leave

9% company pension contributions

Informal dress code

Comprehensive healthcare and life assurance

Cycle-to-work scheme

Monthly company events

Qualifications

• Strong experience in at least one typed language such as Java, Kotlin, C#, C++, or Rust.
• Experience building and operating production systems where correctness, performance, and reliability matter.
• Experience with containerization and orchestration.

Responsibilities

• Designing, building, and evolving production-grade data platforms and services.
• Developing scalable systems for data ingestion, processing, and serving.
• Optimizing software performance, throughput, and efficiency at scale.
• Contributing to reliability and operational excellence of critical systems.
• Applying software engineering best practices including testing and code quality.

Skills

Java

Kotlin

C#

C++

Rust

Containerization

Orchestration

Tools

Python

Parquet

Arrow

Delta Lake

Job description

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.

From our London HQ।’ We unite world‑class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world‑class platform to amplify our teams’ most powerful ideas.

As part of our engineering team, you’ll shape the platforms and tools that drive high‑impact research - designing systems that scale, accelerate discovery and support innovation across the firm.

Take the next step in your career.

The role

We are hiring Software Engineers to join our Core Data Technology function, which sits at the heart of G‑Research’s research ecosystem.

Our teams design, build and operate the platforms that ingest,రీ compile, snapshot and serve mission‑critical market Browser science and reference data at scale. This includes raw and aggregated time‑series data, instrument and corporate action data, pricing, calendars and other datasets that underpin real‑time client trading and research.

Key responsibilities of the role include:

• Designing, building and evolving production‑grade data platforms and services
• Developing scalable systems for data ingestion, processing, snapshotting and serving
• Optimising software performance, throughput and efficiency at scale
• Contributing to the reliability and operational excellence of critical systems, including participation in production support rotations
• Applying strong software engineering best practices, covering testing, code quality, automation and observability

Working closely with researchers and other engineering teams to deliver high‑value solutions.

Who are we looking for?

The ideal candidate will have the following skills and experience:

• Strong experiencerxjs in at least one typed language, such as Java, Kotlin, C#, C++ or Rust
• Experience building and operating production systems where correctness, performance and reliability matter
• Experience with containerisation and orchestration

Experience in some of the following is beneficial:

• Distributed systems and large‑scale data platforms
• Data processing or data serving systems
• Python in production environments
• Columnar or analytical data formats and tooling, such as Parquet, Arrow or Delta Lake

Above all, we value clean, maintainable code, sound engineering judgement and a business‑value mindset over specific toolkits. publications>.

Why join us?

• Highly competitive compensation plus annual discretionary bonus
• Lunch provided (via Just Eat for Business) and dedicated barista bar
• 35 days’ annual leave
• 9% company pension contributions
• Informal dress code and excellent work/life إضافة balance
• Comprehensive healthcare and life assurance
• Cycle‑to‑work scheme
• Monthly company events