Jack & Jill
Senior Backend Engineer (£85,000–£110,000 + Equity) at Kyra
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This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jack's network.
The next step is to speak to Jack.
Job Title
Senior Backend Engineer
Salary
£85,000–£110,000 + Equity
Company Description
Kyra is an enterprise influencer marketing platform powering campaigns for global brands like SharkNinja, H&M, and Ray-Ban. Managing the full creator lifecycle across TikTok, Instagram, and YouTube, the company operates a high-scale platform processing millions of data points with a small, high-output engineering team focused on AI-driven workflows.
Job Description
You will operate across the full stack of Kyra's infrastructure, from writing domain services in a TypeScript monorepo to managing production deployments on AWS ECS. This role combines backend engineering with DevOps ownership, requiring you to design APIs, optimize PostgreSQL/ClickHouse databases, and maintain CI/CD pipelines while shipping features end-to-end in a fast-paced environment.
Location
Remote
Why this role is remarkable
- Broad ownership: You will own features end-to-end, managing everything from initial database schema design to production deployment and infrastructure monitoring without being babysat.
- Elite client base: Build software used by household names like Coach, Converse, and Ray-Ban to manage global influencer marketing campaigns across major social platforms.
- Modern engineering culture: Work with a high-output team using AI-assisted development tools and a cutting-edge stack that handles millions of posts and real-time analytics.
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What You Will Do
- Build and maintain complex domain modules using Node.js, TypeScript, and Prisma within a sophisticated DDD-style monorepo architecture and Express frameworks.
- Manage cloud infrastructure across AWS ECS and RDS, including the maintenance of over 40 GitHub Actions CI/CD workflows and Docker orchestration.
- Optimize high-scale data systems using PostgreSQL and ClickHouse to provide real-time analytics and creator intelligence for major global brands.
The ideal candidate
- Has 4+ years of professional experience building and scaling Node.js/TypeScript backend services in production environments with strict typing and REST API design.
- Demonstrates deep expertise in AWS container orchestration (ECS), infrastructure as code, and managing complex CI/CD pipelines and production background job workers.
- Possesses strong database proficiency in PostgreSQL schema design and query optimization, ideally with experience in columnar databases like ClickHouse for heavy analytics.
Who are Jack & Jill?
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
How does this work?
- Jack's an AI agent for job searching and career coaching. He works for you.
- Jill is the AI recruiter working for the company. She recruits from Jack's network.
- If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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