Senior Python/Rust Developer

Ocho; Belfast; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading cybersecurity firm is seeking a Senior Python/Rust Developer to work on innovative cybersecurity software in Belfast. The role includes designing scalable encryption intelligence solutions and collaborating with various teams in a hybrid working environment. Ideal candidates will have strong Python experience, cloud knowledge, and a passion for continuous learning.

Benefits

25 days holiday + bank holidays

Pension, Private Medical, Life Insurance

Bonus Scheme + RSU Equity Package

Coaching, Parental Leave

Travel Insurance, Benefit Hub

Qualifications

• Strong commercial experience in Python development.
• Proven track record delivering scalable systems.
• Experience with cloud services (PaaS/SaaS).
• Database knowledge (SQL/NoSQL).
• Strong problem-solving and debugging skills.
• Full right to live and work in the UK.

Responsibilities

• Designing and developing software for encryption intelligence solutions.
• Building scalable and resilient enterprise systems.
• Collaborating with engineers and product teams.
• Analysing and optimising performance.
• Supporting Agile development.

Skills

Python

Rust

Linux

Cybersecurity

Cloud services

Job description

Overview

Senior Python/Rust Developer

About our client

Our client is a global cybersecurity company delivering quantum-safe encryption to protect enterprises, governments, and critical national infrastructure. Their advanced cryptography ensures resilience against current and emerging quantum threats, with solutions spanning telecoms, defence, and finance.

With recent team expansion, they are seeking a Senior Python Developer in Belfast. This is an opportunity to work on cutting-edge cybersecurity software, across cloud and on-prem environments, in a culture that values innovation, ownership, and collaboration.

What you\'ll be doing

• Designing and developing software for encryption intelligence solutions.
• Building scalable, resilient enterprise systems with Python.
• Collaborating with engineers, DevOps, and product teams to deliver high-quality releases.
• Analysing and optimising performance, resolving issues when they arise.
• Supporting Agile development and contributing to continuous improvement.

What we\'re looking for

• Strong commercial experience in Python development.
• Proven track record delivering enterprise-grade, scalable systems.
• Experience with cloud services (PaaS/SaaS, hybrid, or private).
• Database knowledge (SQL/NoSQL).
• Strong problem-solving, design, and debugging skills.
• Passion for software development and continuous learning.
• Full right to live and work in the UK.

Desirable

Cybersecurity background, CI/CD, AWS/Azure/GCP, Rust, AngularJS, mentoring experience.

Benefits

• 25 days holiday + bank holidays
• Pension, Private Medical, Life Insurance, Income Protection
• Bonus Scheme + RSU Equity Package
• Coaching, Parental Leave, Employee Assistance Programme
• Season Ticket Loan, Ride to Work, Travel Insurance, Benefit Hub

Why Join?

• Work on innovative cybersecurity solutions with global impact.
• Hybrid working (2 days in Belfast)
• Competitive salary, equity, and bonus.
• Collaborative culture with opportunities to learn, innovate, and grow.

Skills

• Python
• Rust
• Linux
• Cyber
• Cloud