Principal Software Engineer Jobs

Orbis Consultants

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

170000.00 GBP / Year

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Job Description:

Principal Software Engineer (Golang | Distributed Systems) to join a high-growth technology company building a world-class data and services platform that processes tens of billions of monthly requests – powering real-time insights for millions of users globally. This is a great opportunity to work on high-scale systems, shape architecture at the highest level, and remain deeply technical — all within a top-tier engineering environment.

Job Responsibility:

Architect and scale high-throughput, event-driven systems built in Go
Lead the evolution of real-time APIs and data platforms handling billions of requests
Stay deeply hands-on with Golang while influencing design and long-term technical strategy
Drive improvements in observability, testing, and performance across all services
Mentor senior engineers and play a key role in shaping engineering culture

Requirements:

8+ years’ backend engineering experience, ideally at Staff / Principal / Tech Lead level
Expert-level proficiency with Golang in production
Proven track record designing distributed systems and event-driven architectures (Kafka, RabbitMQ, WebSockets)
Deep understanding of PostgreSQL, Redis, and high-performance data systems
Strong DevOps mindset – CI/CD, infrastructure as code, observability (Grafana, Prometheus, OpenTelemetry)
Exceptional communicator, able to influence architecture and direction across teams

Nice to have:

Experience with AWS, Kubernetes, or other cloud-native environments
Exposure to financial data systems or blockchain technologies
Passion for building scalable, resilient systems and leading by example

What we offer:

25% bonus
excellent benefits

Additional Information:

Job Posted:
December 11, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Principal Software Engineer