LoyaltyLion is a loyalty and engagement platform, built on data, and trusted by thousands of ecommerce brands worldwide. It’s been an incredible few years for LoyaltyLion. We’ve closed funding, built out our Leadership team, and achieved spots in both the Deloitte Fast 50 and the FT1000. At the start of this year, we were named no.1 in loyalty management worldwide by G2 and voted the 8th best software company in the UK. About our Engineering team Our engineering team operates at genuine scale - powering loyalty programs for thousands of merchants and handling millions of daily customer interactions, including critical peak events like Black Friday. You'll work on enterprise-level technical challenges while maintaining the impact and autonomy of a focused team where every engineer's contribution directly affects revenue and merchant success. The Role As a Senior Software Engineer at LoyaltyLion, you will be working in our high performance SCRUM team. You’ll be making a key contribution to application development, with a focus on performance and scalability. Day to day, you’ll be working closely with our Engineering Lead on architectural design, as well as continuously improving your skills to maximise impact for both the team and yourself. Some of the things you'll be doing:

Delivering clean, well tested, scalable and maintainable code, both Front-end and Back-end Playing an active role in design discussions as a voice of experience Planning and continuously delivering valuable features to the end user Pairing and conducting Peer Reviews to achieve the best results Working on your personal growth with the Engineering Manager and Engineering Lead

Job requirements What we’re looking for:

Experience building applications across the stack, including designing for performance, reliability, and extensibility across various layers of the system, from the database to the server to the user's device Ability to diagnose problems at any level (Client, HTTP/Network, Server, Database, OS) Experience building React applications In-depth knowledge of Typescript & NodeJS Experience with RDBMS An appetite for learning

As an added bonus, you might have:

Relevant experience in real-time, low-latency, high-frequency transaction-based systems Exposure to the secondary languages we use in our stack (Ruby) Prior experience in ecommerce Exposure to these technologies: Debezium, Kafka, Clickhouse, DBT, Cube, Dagster, Superset

Our primary technical stack:

React Node Ruby AWS

Company Benefits We’re currently operating on a hybrid model, with a mix of home and office-based work from our new HQ on Farringdon. In addition to this we offer:

Remote and flexible working 25 days holiday + bank holidays + carry 5 days holiday over into the next holiday year Length of service leave (+1 day for every year, up to 5 years) All permanent employees get equity to recognise the valuable contribution you'll make to our growth (UK & US employee only) International Remote Working Policy (up to 30 days per holiday year) Company days out and events, and team socials Home office budget Employee Assistance Program Private medical insurance Life Assurance (upto 4 x annual salary) Learning and development budget The opportunity to join at a major inflection point – ecommerce is booming and with it, the demand for loyalty software like LoyaltyLion Macbook, magic keyboard, and any other tech or equipment you need to do a great job

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