Senior Software Engineer, 345 GLOBAL

Algorithm Focus

Salary not provided

JavaScript

C++

Senior and Expert level

Remote from UK, US

Integrating store planning, merchandising, sales & marketing into one cloud-based platform

Be an early applicant

Integrating store planning, merchandising, sales & marketing into one cloud-based platform

21-100 employees

RetailB2BData Integration

Be an early applicant

Salary not provided

JavaScript

C++

Senior and Expert level

Remote from UK, US

21-100 employees

RetailB2BData Integration

Company mission

To change how retailers and brands manage their business and plan for the future with the smart integration of store planning, merchandising, sales and marketing.

Job

Company

Role

Who you are

7+ years of software development experience
Strong expertise in JavaScript and C++
Deep understanding of recursion and algorithmic problem solving
Experience optimizing performance in recursive systems
Ability to work independently in a remote, asynchronous team

Desirable

Background in compilers, AI search, or graph-based algorithms
Familiarity with Git, CI/CD, and agile development environments
Experience in high-performance systems or game engines

What the job involves

This is not a front-end or UI role — the focus is on core algorithmic logic
Designing and building recursive algorithms in JavaScript and/or C++
Refactoring existing recursive code for clarity and performance
Collaborating with a small, focused engineering team
Delivering production-ready solutions with clean documentation
PLEASE DO NOT APPLY IF YOU ARE NOT A SENIOR DEVELOPER

Application process

1. Apply with your profile
2. Video call with internal recruiter
3 Call with CTO

Our take

345 Global is a transforming how retailers and brands manage their businesses and plan for the future. It's all-in-one platform integrates store planning, category management, merchandising, shopper insights, and compliance into a seamless experience.

Designed for both retailers and consumer good brands, 345 allows teams to make smarter decisions, optimise store layouts, and deliver overall better shopping experiences. It does so with tools like sQ Space Planning and iQ Insight Engine.

The company serves industry giants like Walmart, Anheuser-Busch, Kellogg's, Kraft Heinz, and Acosta. With this impressive lineup, 345 has a solid foundation for growth and is in a very good position to shape the future of retail.

Kirsty

Company Specialist at Welcome to the Jungle

Company

Company HQ

Chicago Loop, Chicago, IL

Leadership

Mark Edwards

(Co-Founder & CEO)

Previously founded Red Dot Square Solutions and 5th Dimension where they served as CEO. They also served as the CEO at CADAIM.

Margie Stacey

(Co-Founder & COO)

Previously founded Age Young and Metropolitan Dispensing Services.

Tom du Val

(CTO)

Initially joined 345 as a Machine Learning Consultant before working in various roles, becoming CTO in 2023. Prior to this, they founded Odatic.

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