Senior Frontend Engineer

Simple Machines; United States; Remote; USD 46,000 - 77,000; Full time

Benefits offered by this job

Fully remote

Job summary

Simple Machines is a boutique technology firm delivering data, AI, and software engineering solutions. The Senior Frontend Engineer will build scalable UI for ML-driven marketing systems, collaborating with cross‑functional teams.

The role is fully remote, with base in Poland or citizenship/working rights required, and is offered on a B2B or permanent basis. Strong English and frontend expertise are essential.

Qualifications

• Fluent written and spoken English required.
• Consultative approach to software development and engineering.
• Strong frontend development mindset and problem solving.

Responsibilities

• Design sophisticated user interfaces for business users of a marketing ML system.
• Implement UI as a web app using React.
• Integrate with backend APIs and service layers.
• Contribute to solution design workshops and guide implementation approaches.
• Collaborate with stakeholders to translate requirements into technical specs.
• Work in an Agile delivery environment.

Skills

Strong English

Consultative approach

Tools

React.js

Redux

Tailwind

Typescript

Job description

Simple Machines is a leading independent boutique technology firm with a global presence, including teams in London, Sydney, New Zealand and Poland. We specialise in creating technology solutions at the intersection of data, AI, data engineering, and software engineering.

We design and build bespoke data platforms and unique software products, create and deploy intelligent systems, and bring engineering expertise to life by transforming data into actionable insights and tangible outcomes.

We engineer data to life™.

As we scale our EMEA Engineering Operations, this role will partner closely with our UK leadership team and will focus on supporting our UK-based clients. While you’ll enjoy the flexibility of working remotely, you’ll be closely aligned with our UK delivery teams and client stakeholders, ensuring time-zone overlap and easier collaboration.

Please note:

• Youmustbe based in Poland with citizenship or full-time working rights to be considered for the opportunity.
• This is a fully-remote role, on either a B2B or Permanent basis.

The Role:

As a Senior Frontend Engineer at Simple Machines, you’ll be at the heart of groundbreaking projects, collaborating closely with both our talented internal team and forward-thinking clients. In this hands‑on role, you’ll drive the development of sophisticated, scalable solutions, working with our high‑performing engineering teams to deliver user interfaces for products used by data science and ML teams.

If you’re passionate about solving complex problems and pushing the boundaries of what’s possible, this role offers the perfect platform for you to make a real impact.

Key Responsibilities:

• Design of sophisticated user interfaces for use by business stakeholders to manage a machine learning based marketing system
• Implement design as a web application using React
• Integrate with APis provided by the backend development team
• Contribute to solution design workshops to advise on implementation approaches
• Partner with client stakeholders, and team members, to gather business requirements, collaborate on design decisions, and translate them into technical and design requirements.
• Operate within an iterative delivery team using Agile delivery tools and practices.

Skills & Experience

• Strong written and verbal English
• A consultative approach to software development and software engineering.
• Strong experience with frontend development tools including React.js, Redux, Tailwind, Typescript
• Past project experience withlarge scale webservices.
• Previously designed user interfaces that catered for complex business use cases
• Experience eliciting business requirements and translating them into technical and design requirements
• Familiarity with various git workflows and ability to tailor them to project needs
• Experience of unit and integration testing and test automation for ReactA passion and proven background in picking up and adopting new technologies on the fly.