Senior Backend Engineer, AI Tooling & Platform

Synthesia Limited

Mendlesham

Remote

GBP 90,000 - 140,000

Full time

5 days ago

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Job summary

Synthesia Limited is seeking a senior software engineer to own architectural decisions and drive end-to-end platform improvements. You will lead cross-team initiatives, mentor engineers, and partner with leadership to shape technical roadmaps, all while delivering high-velocity, high-quality AI-enabled development tools.

You will influence CI/CD, observability, and testing infrastructure, ensuring scalable, reliable systems that empower engineering teams across global offices.

Qualifications

7+ years of experience as a software engineer.
2–3+ years in senior/staff level roles.
Proven hands-on experience building and operating developer platforms.

Responsibilities

Own architectural decisions that govern feature build and safe releases.
Mentor engineers and embed technical practice through code reviews and design partnerships.
Lead cross-team projects with long horizons and iterative milestones.
Shape roadmaps and technical strategy with leadership.

Skills

Software engineering

Senior staff

Architectural design

AI-powered tooling

Tools

CI/CD systems

Observability/metrics

Code quality automation

Testing infrastructure

Job description

You will influence CI/CD, observability, and testing infrastructure, ensuring scalable, reliable systems that empower engineering teams across global offices.

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