Back-End Intern

Intern contributing to backend systems and internal tools at JustPark. Collaborate in a hybrid setup with a focus on learning and development.

Posted 5/5/2026internshipLondon • 🇬🇧 United KingdomEntry LevelWebsite

Tools & technologies

GoGRPCMicroservicesPHPSQL

Key responsibilities & impact

Develop and Maintain Internal Tools - Contribute to the development of backend systems that support internal teams (e.g., operations, customer support, finance)
Build APIs and Services - Design, build, and maintain internal REST or gRPC APIs that integrate with databases and third-party services
Write Clean, Maintainable Code - Follow best practices for code quality, documentation, and testing
Monitor and Debug Systems - Help set up logging and monitoring for internal tools and participate in debugging issues as they arise
Automate Repetitive Tasks - Write scripts or services to automate internal tasks, reducing manual overhead for teams
Support CI/CD Processes - Contribute to deployment workflows and continuous integration setups, ensuring smooth releases of internal tools
Learn and Apply Backend Architecture Principles - Gain exposure to backend architectural concepts such as microservices, event-driven design, and database normalization
Use AI Tools Responsibly - Leverage AI coding assistants to accelerate development, with an understanding of when to trust and when to verify output

What you’ll need

A basic understanding of a backend programming language
We use a mixture of PHP and Go — experience in either is great, but a willingness to learn is even more important
Basic familiarity with relational databases and SQL
Some experience working with version control (Git) and comfort using the command line
Curious, self-motivated, and willing to learn — we don’t expect you to know everything!
Comfortable asking questions, collaborating with others, and explaining your thinking
Some exposure to writing tests (unit or integration) is a bonus
Interest in developer experience or internal tooling is a bonus
Comfortable using AI coding tools (e.g. Claude Code) to assist with development

Comp & perks

You’ll be paid London Living Wage for the duration of your internship.
We work on a hybrid basis with 3 days a week in the office (Monday, Tuesday & Thursday).
You’ll meet the team in the office and have the option to work from home for the rest of the week.
When you’re in the office you’ll be able to order lunch (up to £12 on the company) via our catering Feedr from multiple local restaurants.
You’ll also find a rotating selection of sweet and savory snacks on the kitchen counter - all available whenever you need a break.
If you feel like eating something healthy, we’ve got a wide ranges of fruit options in the kitchen that you can help yourself to.
As a company we have socials and away days once a quarter where we spend time to have fun and do some team building activities.
We have many social events across the year that you could be joining during your internship.
You’ll also have access to £50 credits for parking per month via JustPark and the possibility of box tickets to the O2 if there are any available events at the duration of your internship.

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Hard Skills & Tools

PHPGoREST APIsgRPCSQLunit testingintegration testingbackend architecturemicroservicesevent-driven design

Soft Skills

curiousself-motivatedcollaborativecommunicationproblem-solvingwillingness to learnasking questionsexplaining thinking