Tech Lead: AI-Powered Platform & Team Architect

Sedex; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Sedex is seeking an experienced Tech Lead to drive engineering within the application layer of our SaaS platform. You will own technical direction, architect critical services, and lead a small cross-functional pod, while line-managing engineers for performance and growth.

You will champion modern development practices, automation, and AI-assisted coding to boost productivity and maintain high standards of reliability.

Qualifications

• 3-5 years' experience working in tech teams at a senior level.
• Strong production experience building systems in Kotlin or Java.
• Experience designing and evolving distributed services.
• Experience operating systems in cloud-native environments.
• Familiarity with DevOps tooling such as Docker, Kubernetes, Terraform, and CI/CD pipelines.
• A year or more of experience working with AI coding assistants, with an ability to articulate the benefits and limitations.
• Experience mentoring, coaching, or line-managing other engineers.
• Excellent communication skills.
• Strong experience working with Agile methodologies.
• A results-oriented mindset and a keen sense of accountability.

Responsibilities

• Lead engineering within the application layer of the SaaS platform.
• Line-manage engineers in your pod, focusing on performance and growth.
• Drive architectural reviews and improve development workflows and CI/CD processes.
• Embed AI-assisted development practices and tools across the team.
• Collaborate with Product, UX, and other functions to align technical decisions with business goals.
• Champion agile best practices and ensure high quality software delivery.
• Foster a security-first and reliability-driven engineering culture.

Skills

Senior level experience

Kotlin

Java

Distributed services

Cloud-native

DevOps tooling

AI coding assistants

Mentoring/line management

Agile methodologies

Communication

Tools

Docker

Kubernetes

Terraform

CI/CD pipelines

Job description

Sedex is seeking an experienced Tech Lead to drive engineering within the application layer of our SaaS platform. You will own technical direction, architect critical services, and lead a small cross-functional pod, while line-managing engineers for performance and growth.

You will champion modern development practices, automation, and AI-assisted coding to boost productivity and maintain high standards of reliability.