Senior Software Engineer

Harnham Ltd; London; Hybrid; GBP 80,000 - 120,000; Full time

Job summary

An established industry player is seeking a Senior Software Engineer to join their innovative team in Shoreditch. This role involves designing and developing backend systems that handle large datasets from physics-based and machine learning simulations. You'll work closely with domain experts and ML engineers to enhance performance computing and data infrastructure. If you have a strong background in software engineering, particularly in Python and AWS, and thrive in a collaborative, fast-paced environment, this is the perfect opportunity for you to make a significant impact.

Qualifications

• Experience in impactful software engineering roles.
• Strong system design skills for data-heavy environments.

Responsibilities

• Lead software development from design to deployment.
• Collaborate with data scientists and engineers.

Skills

Python

Django

SQL

AWS

TypeScript

React

HTML/CSS

Job description

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Senior Software Engineer

Shoreditch | Hybrid - 2 Days in Office Weekly

£80,000 - £120,000 + Benefits

The Company

This UK-headquartered, science-led technology firm specializes in R&D across sectors like medical devices, aerospace, renewables, and semiconductors. They aim to develop high-performance platforms for simulation and predictive tech, expanding their engineering team for product development.

The Role

As a Senior Software Engineer, you will contribute to a cross-functional team, owning the design and development of backend systems handling large data volumes from physics-based and ML simulations. You will work on performance computing, data infrastructure, and scalable systems, collaborating with domain experts and ML engineers.

Key Responsibilities

• Lead software development from design to deployment.
• Make architectural decisions and define best practices.
• Work with large datasets and infrastructure for simulation/ML.
• Collaborate with data scientists and engineers.
• Mentor junior developers and promote quality engineering practices.

Core Skills

Python, Django, SQL, AWS

Frontend Skills

TypeScript, React, HTML/CSS

Ideal Profile

• Experience in impactful software engineering roles.
• Background in building platforms or infrastructure at tech companies or consultancies.
• Strong system design skills, especially for data-heavy environments.
• Ability to work in fast-paced, high-ownership settings.
• Excellent communication and collaboration skills.

Work Policy

Hybrid working with 2 days/week in Shoreditch office. Full remote or travel support not provided at this level. Send your CV even if you don’t see a perfect role; we’re always hiring for new opportunities.