Principal Python Developer

Ocho; Belfast; On-site; GBP 80,000 - 100,000; Full time

Job summary

A technology company in Northern Ireland is seeking a Principal Python Engineer to lead the design of scalable, cloud-native platforms. The ideal candidate will have over 6 years of experience in software engineering, a strong background in Python, and a passion for mentoring teams. Competitive salary and the chance to influence technical direction are offered in this role.

Benefits

Work From Home

Options

Qualifications

• 6+ years of software engineering experience, including consultancy and client-facing delivery.
• Strong commercial background in Python with relevant certifications.
• Experience with event-driven architectures, microservices, and scalable data pipelines.

Responsibilities

• Lead the design and delivery of Python-based microservices deployed across AWS.
• Mentor engineers, support graduate training and influence technical direction.
• Champion CI/CD pipelines and deployment automation to improve speed and reliability.

Skills

Python

AWS

Microservices

Education

Certification PCEP/PCAP

Tools

Bitbucket

Docker

Job description

Overview

Principal Python Engineer

OCHO are seeking a Principal Python Engineer to take on a leadership role in building scalable, cloud-native platforms. This is an opportunity for an experienced developer who has delivered production-grade systems across financial services, energy technology and trading platforms. My client

The Opportunity

• Lead the design and delivery of Python-based microservices deployed across AWS and physical hardware.

• Build scalable data capture and processing platforms leveraging event-driven design and modern cloud tooling.

• Champion CI/CD pipelines, branching strategies and deployment automation to improve speed and reliability.

• Work across cross-functional teams in the UK, Ireland and Europe, delivering real-world solutions for trading, monitoring and optimisation systems.

• Mentor engineers, support graduate training and influence technical direction.

Tech Environment

• Languages/Frameworks: Python (FastAPI, GraphQL/Strawberry), ETL pipelines.

• Cloud & Infra: AWS (EC2, ECS, ECR, RDS, IoT Core, IAM, MSK), Docker, Linux.

• Data & Messaging: Kafka (AWS MSK), MQTT, REST APIs, Redshift, SQL.

• Tools & Practices: Bitbucket, CI/CD, trunk-based branching, process automation.

What You'll Bring

• 6+ years of software engineering experience, including consultancy and client-facing delivery.

• Strong commercial background in Python with certifications (PCEP/PCAP).

• Experience with event-driven architectures, microservices and scalable data pipelines.

• Proven leadership in technical direction, mentoring and graduate development.

• Exposure to energy markets, trading platforms or financial services a bonus.

What\'s on Offer

• Competitive base salary and options

• Opportunity to influence architecture and engineering standards.

• A culture of innovation and continuous learning.

• Cross-functional exposure across multiple markets and domains.

If you\'re a Python engineer who thrives on solving complex problems and wants to play a leading role in shaping scalable cloud-native systems, reach out to Ryan Quinn on LinkedIn for more information.

Skills:

• Python

• AWS

• Microservices

Benefits:

• Work From Home

• Options