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Senior Software Engineer

Blis

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Location:
India, Mumbai

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

This role is hybrid work. Come work on fantastically high-scale systems with us! Blis is an award-winning, global leader and technology innovator in big data analytics and advertising. We are looking for brilliant, creative, curious, and experienced C++ software engineers to join our real-time applications team. This team is responsible for our high-throughput, low-latency trading and measurement systems that routinely handle hundreds of thousands of requests per second, leveraging multi-level machine learning models covering classification and optimisation, all with a 98th percentile latency of under 20ms.

Job Responsibility:

  • Innovate, implement, support, and iterate on our real-time application systems, infrastructure, and code
  • Write and improve high-performance, highly efficient, and highly maintainable C++
  • Ensure our designs and systems are highly available, resilient, and secure
  • Support and mentor other members of the team
  • Commitment to Blis' Inclusion initiatives & 5 step sustainability plan

Requirements:

  • C++, including Boost
  • Networking topics from asynchronous connection handling to TCP/IP parameters
  • Concurrency
  • RESTful APIs and web-serving concepts
  • Big Data structures and high-frequency data processing algorithms at scale
  • Relational and non-relational databases and concepts
  • Server-side Linux use and administration
  • Cloud infrastructure concepts and utilisation
  • Engineering design principles and when to go fast and when to go slow
  • 5+ years experience as a systems engineer or architect for complex, high-performance systems
  • Degree in Computer Science, Software Engineering, or similar

Nice to have:

  • Devops topics including CI/CD, Jenkins, Docker, Kubernetes, Prometheus & Grafana
  • Machine learning algorithms and how to implement them
  • Prior work with algorithmic trading systems
  • Understanding of compiler output (assembly)
What we offer:
  • Comprehensive private healthcare
  • Matched pension scheme
  • Paid time off and one extra day off for your birthday
  • Enhanced paternity and maternity leave
  • Career coaching and development paths
  • Hybrid working

Additional Information:

Job Posted:
December 06, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:
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