This is a high-impact role where you’ll take ownership of meaningful parts of the system (not just implement tickets). You’ll work closely with a fractional senior technical lead and senior management of the company, but day-to-day you’ll be expected to drive work forward independently.

This role is ideal for someone who:

• Enjoys solving real-world problems end-to-end

• Is comfortable navigating existing systems and improving them

• Doesn’t wait to be told what to do

What You’ll Be Working On:

Core Platform

Our platform includes:

• React frontend

• Ruby on Rails API layer

• Event ingestion pipeline (Node.js + AWS ECS)

• Real-time data processing using Kinesis, Lambda, Redis, and OpenSearch

• AWS-based infrastructure (CloudFront, S3, Aurora, etc.)

You’ll contribute across the stack - from UI improvements to backend performance and data pipeline reliability.

New Product Development

We’re also building new products using:

• Vercel

• OpenAI integrations

• Automation tooling (e.g. Skyvern, trigger.dev)

You’ll have the opportunity to work on these from an early stage and help shape how they evolve.

Key Responsibilities

• Take ownership of features and systems from idea to production

• Improve and maintain our core platform and data pipeline

• Build new product features across frontend and backend

• Identify and fix issues proactively (performance, reliability, UX)

• Work with our fractional senior lead on architecture and technical direction

• Contribute to simplifying and strengthening the platform over time

What We’re Looking For

Core Skills

• Solid experience as a full stack engineer (mid-level or above)

• Strong JavaScript/TypeScript experience (React ideally)

• Backend experience (Ruby, Node.js, or similar)

• Comfortable working with APIs, databases, and cloud infrastructure

• Experience with AWS or similar cloud platforms

Mindset (Critical for This Role)

• Ownership mentality - you take responsibility for outcomes, not just tasks

• Self-directed - you can figure things out without heavy guidance

• Pragmatic - you balance speed and quality effectively

• Curious - you ask “why” and look to improve things

• Comfortable working in a small, evolving team

Nice to Have

• Experience with data pipelines or event-driven systems

• Familiarity with Redis, OpenSearch/Elasticsearch, or Kinesis

• Experience with AI/LLM integrations (e.g. OpenAI)

• Experience working with early-stage or scaling SaaS products

Working Setup

• Flexible working (full-time or part-time considered)

• Predominantly working from home with occasional-face to-face days

• Remote-friendly (UK-based preferred; North West ideal but not required)

• Small, collaborative team

What’s in it for you?

As well as the opportunity to work for an exciting tech company we offer:

• Flexible working hours.

• Competitive salary dependent on experience.

• Monthly wellbeing stipend to spend on something that benefits your mental or bodily health.

• Autonomy, ownership and a flat management structure mean your opinions will be listened to and you’ll have a big impact from the start.

• Your ideas to be taken seriously and valued, and have your input directly affect the future of our company.

• To have the space and autonomy to manage your own workload and priorities, and be able to enact your ideas and improve on our current way of doing things.

• A high level of company transparency - company profit and loss, budgets and more are all shared in our open and honest working environment.

• A close-knit, focussed and productive team.

• Working with household name brands like Experian and Capital One as well as clients based across the world.

• All the incredible experiences of working at an agile technology company - dizzying highs, and buckle-down-lows, but never boring.

If this sounds like you then please send us your CV to jobs@formisimo.com, ideally with a few sentences about how you fit the role.

Sorry, no recruiters please.