Senior Software Engineer (Fullstack) (100-105k) at

London - UK

Monthly Salary: £ 100 - 105

Posted on: 23 hours ago

Vacancies: 1 Vacancy

Job Summary

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 Jacks network

The next step is to speak to Jack.

Senior Software Engineer (Fullstack)

Salary: 100-105k

Company Description: - High-growth e-commerce trust platform powering hundreds of thousands of merchants globally.

Job Description: Join to solve real-world commerce problems for hundreds of thousands of global merchants. You will own core product features end-to-end writing clean Ruby on Rails and JavaScript code while navigating ambiguity to drive high-impact outcomes. This role offers clear career progression into Staff or Leadership tracks within a results-driven engineering-first culture.

Location: London UK

Why this role is remarkable:

Significant scale and impact building trust-based commerce tools used by over 200000 active merchants across the globe.
Exceptional career mobility with defined growth paths into Staff Engineer or Engineering Management roles as the team scales.
High-performance culture that prioritizes deep work short feedback loops and sustainable excellence over long hours and bureaucracy.

What you will do:

Own and ship core product features end-to-end from initial design through to delivery on a global scale.
Drive engineering excellence by writing maintainable code across Rails JavaScript SQL and AWS while improving system reliability.
Identify and remove friction in the internal developer experience by enhancing tooling automation and observability workflows.

The ideal candidate:

Expert-level experience with Ruby on Rails and modern JavaScript with a track record of delivering high-quality production systems.
Strong product intuition and the ability to decompose complex ambiguous requirements into clear executable technical steps.
Pragmatic mindset focused on continuous improvement utilizing AI and automation to accelerate development velocity and team output.

Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre 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.
And Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps
Step 1. Visit our website.
Step 2. Click Talk to Jack.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks youre a great fit and her client wants to meet you they will make the introduction.
Step 6. If not Jack will find you excellent alternatives. All for free.

We never post fake jobs
This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt 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 were giving his services away for free.

Required Experience:

Senior IC

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 Jacks networkThe next step is to speak to Jack.Senior Software Engineer (Fullstack)Salary: 100-105kCompany Description: - High-growth e-commerce trust platform powerin...