Tech Lead - Capability (Hands-on AI-First SaaS)

ECA; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Enhanced Pension

25 days annual leave

Health & Life Insurance + EAP

Annual Bonus Scheme

Long Service Awards

Personal development allowance

Season Ticket Loan

Hybrid work environment

Cycle to Work Scheme

Free Eye Test

Job summary

ECA is seeking a Tech Lead - Capability to own key platform foundations for a multi-tenant B2B SaaS offering. You will be hands-on while shaping technical direction, mentoring engineers and solving cross-platform challenges, with a strong emphasis on AI-enabled engineering practices.

You’ll work on identity and access management, tenant isolation and scalable architecture using Node.js, TypeScript/JavaScript, React, and related tech.

Qualifications

• 8+ years of software engineering experience.
• Strong hands-on with Node.js, TS/JS, React, SQL/NoSQL, CSS.
• Experience with identity and access management (SSO, OIDC, SAML).
• Ability to design scalable, multi-tenant SaaS platforms and mentor engineers.

Responsibilities

• Lead and mentor engineers while remaining close to the code.
• Own technical direction and define what good engineering looks like.
• Architect scalable, maintainable solutions for a multi-tenant SaaS environment.
• Collaborate with Product and Delivery to turn requirements into technical solutions.
• Provide realistic estimates and help unblock delivery on challenging projects.
• Lead Agile practices and drive continuous improvement.
• Establish best practices around architecture, testing and TDD.
• Explore AI tools and guardrails in the SDLC.

Skills

Node.js

TypeScript/JavaScript

React

SQL/NoSQL

CSS

Identity and access management

Leadership

Multi-tenant SaaS design

Tools

AWS

PostgreSQL

GraphQL

Terraform

Playwright

.NET Core / C#

Keycloak

Job description

ECA is seeking a Tech Lead - Capability to own key platform foundations for a multi-tenant B2B SaaS offering. You will be hands-on while shaping technical direction, mentoring engineers and solving cross-platform challenges, with a strong emphasis on AI-enabled engineering practices.

You’ll work on identity and access management, tenant isolation and scalable architecture using Node.js, TypeScript/JavaScript, React, and related tech.