Onyx Capital Group Tech Stack

Oil derivatives market-maker and liquidity provider

Financial Services London, England 51–200 employees Founded 2016 Privately Held

Onyx Capital Group operates as a liquidity provider in oil and refined products derivatives, built on a polyglot stack (Python, R, C++, React) across Azure and AWS. The company is actively scaling into Asia—establishing an engineering hub in Sri Lanka while rolling out Flux, their proprietary trading platform, across sales and marketing. The hiring mix (engineering, trading, and finance roles spread across three countries) and project cadence reveal a company in expansion phase, moving from single-market operations toward distributed infrastructure and platform adoption.

Tech Stack 16 technologies

Core StackPython C++ React C# GitHub Azure DevOps GitLab Terraform Kubernetes AWS R REST API Azure Sage Intacct Excel

AdoptingFlux

What Onyx Capital Group Is Building

◆Challenges

Establishing sri lanka engineering hub
Adoption of flux platform
Generating new business opportunities
Day-to-day financial operations
Cloud and reliability function for live trading
Incident response for distributed teams
Scaling engineering team
Building engineering culture
Expanding finance coverage
Expanding live broadcast team

▲Active Projects

New trading strategies development
Sri lanka engineering hub
Flux sales initiatives
Flux marketing efforts
Otc execution support
Trader notes and trading reports production
Live trading infrastructure
Cloud and reliability function for live trading
World-class asia-based team
Build finance function in sri lanka

Hiring Activity

Accelerating10 roles · 7 in 30d

Department

Engineering

Sales

Finance

Trading

Media

Research

Seniority

Junior

Senior

Mid

Principal

Notable leadership hires: Engineering Technical Lead

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About Onyx Capital Group

Onyx Capital Group, founded in 2016 by oil traders, operates as a holding company overseeing Onyx Commodities (proprietary trading and market-making in oil derivatives) and Onyx Advisory (advisory services). The firm positions itself as the leading liquidity provider in oil derivatives and refined products. Based in London with 51–200 employees, Onyx is expanding operational footprint into Singapore and Sri Lanka while building out cloud and reliability infrastructure to support live trading operations across distributed teams.

HeadquartersLondon, England

Company Size51–200 employees

Founded2016

Hiring MarketsSingapore, United Kingdom, Sri Lanka

Frequently Asked Questions

What technology does Onyx Capital Group use for trading?

Python, R, and C++ for quantitative work; React for front-end interfaces; Azure and AWS for cloud infrastructure; Kubernetes and Terraform for orchestration; GitHub and Azure DevOps for version control.

Is Onyx Capital Group hiring engineers?

Yes. 3 active engineering roles posted, with a Technical Lead position open. Hiring spans UK, Singapore, and Sri Lanka as part of their Asia expansion initiative.

Where is Onyx Capital Group expanding?

Sri Lanka and Singapore. Active projects include establishing a Sri Lanka engineering hub, building a finance function there, and scaling toward an Asia-based team.