Lead Software Engineer

C

Lead Software Engineer

C
Przyokopowa 26, Warszawa

SIX

Full-time
Senior
Hybrid

Job description

Lead Software Engineer

Warsaw | working from home up to 40% | Reference 7513

 

Do you want to lead a high-performing engineering team working on mission-critical, real-time financial systems? Are you passionate about combining hands-on software engineering with people leadership? Then our Market & Reference Data Engineering Team in Warsaw wants to hear from you!

We are an ambitious and collaborative team responsible for building and operating large-scale, real-time financial data processing platforms, handling more than 2,000 live data feeds. Our goal is to deliver highly reliable, scalable, and high-performance systems that power business-critical decisions across the organization.

In this hybrid leadership role, you will guide a team of around 15 engineers, shape the technical direction of our platforms, and actively contribute to the design and development of our core systems. You will work closely with product managers, architects, and business stakeholders to drive continuous innovation, performance, and operational excellence.

 

What You Will Do

  • lead, mentor, and develop a team of ~15 software engineers, driving engagement, performance, and professional growth

  • own the technical direction, architecture, and delivery of real-time market and reference data feed systems

  • contribute hands-on to software development, writing high-quality, efficient, and reliable C code

  • ensure high system performance, stability, and scalability through strong engineering practices, testing, and monitoring

  • collaborate closely with business and IT stakeholders to align priorities, roadmaps, and delivery

 

What You Bring

  • proven experience leading engineering teams, including coaching, hiring, and delivery management

  • strong technical background in C programming; C++ knowledge is a plus

  • solid experience with Linux environments, shell scripting, and Git/GitLab-based workflows

  • passion for ownership, continuous improvement, and building high-performing teams

  • languages: Fluent in English (spoken and written); German is a plus


What We Offer

  • sharing the costs of sports activities 

  • private medical care & life insurance 

  • sharing the costs of foreign language classes 

  • sharing the costs of professional training & courses 

  • remote work opportunities &flexible working time 

  • integration events &charity initiatives 

  • fruits and popcorn in the office

  • video games at work, no dress code & leisure zone

  • extra social benefits & holiday funds (Christmas/Easter gifts)

  • meal and transportation allowance

  • employee referral program 

  • Employee Assistance Program 

  • Day for U (Day for Medical Checkup) 

  • My Benefit Cafeteria 

  • Udemy for Business 

  • days for remote work from abroad 


If you have any questions, please call Gabriela Reclaw at +48 22 104 67 70.

 

For this vacancy we only accept direct applications in English.

 

Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background. 

Tech stack

    English

    C1

    C programming language

    advanced

    Software Development

    advanced

    Team Leadership

    advanced

Office location

Published: 23.02.2026

About the company

SIX

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Lead Software Engineer

Summary of the offer

Lead Software Engineer

Przyokopowa 26, Warszawa
SIX
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