Lead C++ Technical Team Lead

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Hybrid – London | Global FinTech Innovator


Our client is an established yet fast-growing FinTech specialising in high-performance market data analytics. Their platform ingests and processes terabytes of global trading data daily, powering decision-making for leading investment firms, exchanges, and research institutions.


They’re now seeking a Market Data Engineering Lead to take ownership of their equities data pipelines and infrastructure, helping scale the next generation of data-processing systems within a collaborative engineering leadership team.


This role offers a 50/50 split between hands-on coding and technical leadership — ideal for someone who thrives on solving deep engineering challenges while guiding a small team to deliver best-in-class data solutions.


The Role


  • Lead development for the firm’s equities data processing platform, working alongside other engineering leads and a senior architect.
  • Plan and execute two-week Agile sprints, define priorities, and manage workloads across developers.
  • Take full ownership of project lifecycles — from requirements gathering to design, implementation, testing, and deployment.
  • Develop and refine C++ market-data parsers and processing engines that handle high-frequency and reference data at scale.
  • Partner with product and operations stakeholders to define technical roadmaps and onboard new data sources.
  • Enhance system performance, fault-tolerance, and scalability, leveraging modern AWS-based distributed infrastructure.
  • Offer technical mentorship, conduct reviews, and help engineers overcome blockers.
  • Participate in a light-touch support rotation to ensure smooth daily operation of the firm’s data feeds.


About You

  • Proven track record leading or mentoring software engineers within an Agile environment.
  • Strong C++ development experience on Linux, delivering robust, performant systems into production.
  • Solid Python capability for orchestration, data tooling, and process automation.
  • Experience with large-scale financial or market data, particularly equities or other exchange-traded products.
  • Familiarity with modern engineering practices — CI/CD, source control, automated testing, and containerised deployment.
  • Excellent communication, organisational, and problem-solving skills.


Contact:

For further details or a confidential discussion about this opportunity, please reach out to Ciara Clarke at Harrington Starr

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Company: Harrington Starr
Apply for the Lead C++ Technical Team Lead
Location: London
Job Description:

Hybrid – London | Global FinTech Innovator

Our client is an established yet fast-growing FinTech specialising in high-performance market data analytics. Their platform ingests and processes terabytes of global trading data daily, powering decision-making for leading investment firms, exchanges, and research institutions.

They’re now seeking a Market Data Engineering Lead to take ownership of their equities data pipelines and infrastructure, helping scale the next generation of data-processing systems within a collaborative engineering leadership team.

This role offers a 50/50 split between hands-on coding and technical leadership — ideal for someone who thrives on solving deep engineering challenges while guiding a small team to deliver best-in-class data solutions.

The Role

  • Lead development for the firm’s equities data processing platform, working alongside other engineering leads and a senior architect.
  • Plan and execute two-week Agile sprints, define priorities, and manage workloads across developers.
  • Take full ownership of project lifecycles — from requirements gathering to design, implementation, testing, and deployment.
  • Develop and refine C++ market-data parsers and processing engines that handle high-frequency and reference data at scale.
  • Partner with product and operations stakeholders to define technical roadmaps and onboard new data sources.
  • Enhance system performance, fault-tolerance, and scalability, leveraging modern AWS-based distributed infrastructure.
  • Offer technical mentorship, conduct reviews, and help engineers overcome blockers.
  • Participate in a light-touch support rotation to ensure smooth daily operation of the firm’s data feeds.

About You

  • Proven track record leading or mentoring software engineers within an Agile environment.
  • Strong C++ development experience on Linux, delivering robust, performant systems into production.
  • Solid Python capability for orchestration, data tooling, and process automation.
  • Experience with large-scale financial or market data, particularly equities or other exchange-traded products.
  • Familiarity with modern engineering practices — CI/CD, source control, automated testing, and containerised deployment.
  • Excellent communication, organisational, and problem-solving skills.

Contact:

For further details or a confidential discussion about this opportunity, please reach out to Ciara Clarke at Harrington Starr

Posted: May 17th, 2026