Staff Software Engineer

Oho Group; Greater London; On-site; GBP 110,000 - 150,000; Full time

Benefits offered by this job

Meaningful equity

Job summary

Oho Group is seeking a Staff Software Engineer for a fast-growing cybersecurity startup in London. The role is hands-on, shaping architecture, and guiding engineering culture while solving hard production problems.

You will be at the core of the engineering team, owning critical components, mentoring engineers, and raising technical standards. Strong preference for experience in cybersecurity, cloud, or distributed systems.

Qualifications

• Extensive software engineering experience at senior/principal/staff level.
• Strong expertise in one or more languages: Python, C#, Go, or Java.
• Proven ability to design scalable production systems.

Responsibilities

• Remain highly hands-on, designing, building, and shipping complex production systems.
• Own some of the hardest technical problems across the platform.
• Influence architecture, system design, and technical direction.
• Raise engineering standards and provide technical leadership through your work.
• Mentor and support junior engineers.

Skills

Senior level

Staff level

System design

Python

C#

Go

Java

Job description

Staff Software Engineer | Cybersecurity Start-Up | London

Staff Software Engineer required to join a fast-growing cybersecurity start-up in London, building technology to solve some of the most challenging problems in modern security. Built by an experienced founding team with a strong track record of building and scaling successful cybersecurity companies, this is an opportunity to join a high-calibre engineering team where you'll have genuine influence over the architecture, technical direction, and engineering culture.

What you'll do

• Remain highly hands-on, designing, building, and shipping complex production systems
• Own some of the hardest technical problems across the platform
• Influence architecture, system design, and technical direction
• Raise engineering standards and provide technical leadership through your work
• Mentor and support junior engineers

About you

• Extensive professional Software Engineering experience, operating at Senior, Principal, or Staff level
• Strong in one or more of Python, C#, Go, or Java
• Excellent system design, architecture, and software engineering fundamentals
• Experience building and scaling complex, production-grade systems
• Comfortable taking ownership of ambiguous technical problems from concept through to production
• A strong communicator who can influence technical decisions while remaining an individual contributor
• Someone who wants broader technical influence while remaining a hands-on IC

Bonus points

• Previous start-up or scale-up experience
• Experience within cybersecurity, cloud, infrastructure, or distributed systems
• Experience helping engineering teams establish technical standards and best practices

Why join?

• Take a senior technical role within a high-growth cybersecurity start-up
• Work alongside a world-class founding and engineering team
• Have significant influence over architecture and technical direction
• Solve genuinely difficult engineering and cybersecurity problems
• Stay hands-on while having impact across the wider engineering organisation

Competitive salary + meaningful equity

Staff Software Engineer | Cybersecurity Start-Up | London