View all openings (8) | Senior Go/PHP Backend Engineer

Senior Go/PHP Backend Engineer

London, UK (Flexible remote)

£60,000 - £80,000 + equity

We build quickly and ship often. Our backend engineers build and support APIs that handle millions of requests a day. Speed and scale is everything when it comes to mobile app performance. You'll write code, design services, new apis and improve the existing architecture to help us scale. You'll think through the moving pieces of our infrastructure and the complex interactions between them. With scope for AI, image recognition and Machine Learning all in the roadmap, there is plenty to get your teeth stuck into!

We're looking for

3+ years tackling hard backend problems

Proficient in PHP or Go

Seasoned relational & document database knowledge

Writes efficient MySQL/MariaDB queries & statements

Experience with microservices and distributed systems

Experience building RESTful APIs

Enjoys writing and testing clean code

Used to developing complex services from requirements to shipping

Working knowledge of agile methodologies such as Scrum and Kanban

Understanding of SOLID principles and meticulous code quality

Willing to learn new skills and really get stuck in

Bags of common sense with the raw ability and energy to make things happen, a real entrepreneurial spirit

What you'll accomplish

Moving to scalable container-based infrastructure.

Dealing with the realities of running a relational database at scale.

Building highly secure infrastructure (we handle sensitive personal data)

Collaborating on building APIs for our frontend and app team.

Improving performance with investigative work.

Troubleshooting problems across distributed systems.

Building tools to manage a growing infrastructure.

Deploying software to improve availability, scalability and efficiency.

Understanding and automating away common problems.

Investigating and fixing performance issues.

Tackling challenging production issues as part of a supportive on-call team.

Bonus Points

AWS infrastructure knowledge

HTML, CSS, JS experience

Image recognition expertise

Machine learning experience

Web-Socket/XMPP know-how

Technology We Love


Node, JS, Typescript

MySQL/MariaDB, Redis



Cloudwatch, Sentry, Stackify

Git, Asana

Why join Muzz (formerly muzmatch)?

We’re a profitable Consumer Tech startup, backed by Y Combinator (S17) and based in London . Join our fast growing team and work on an amazing product that’s changing the world.

A great product

We’re the leading app in this space with over 6 million members worldwide and counting!

Level up quickly

Work with talented, generous people on the kinds of challenges you’ll be proud to share.

A diverse team

We have people from all walks of life all adding their unique perspective. Muslims and non-Muslims, cat lovers and dog lovers. Everyone is welcome!

Meaningful equity

We’re all working together to succeed and everyone on the team gets a slice of the pie.

A day off per month to learn

We value curiosity, that’s why the last Friday of every month is set aside for you to learn and develop.

International travel

We fly the whole team to somewhere amazing twice a year to connect and have fun.

Regular socials

Mini golf, hikes, super competitive Catan nights - we’ve done it all. Maybe you’ll be at the next social?

Generous Holiday / PTO

All full-time members get at least 33 days of holiday, regardless of where they live.

Our hiring process

We pride ourselves on making fast hiring decisions.

Step 1.

Submit your CV.

Step 2.

An initial video call.

Step 3.

Complete a technical exercise.

Step 4.

Interview (in person or remote)

Step 5.

Receive an offer!

Apply now

Attach your CV, email and cover letter (optional) and we will try to get back to you as soon as we can.

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