Back End Developer (Kotlin)

Back End Developer (Kotlin)

London Full-Time 57000 - 95000 Β£ / year (est.) No home office possible
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At a Glance

  • Tasks: Build scalable backend infrastructure in Kotlin and mentor junior developers.
  • Company: Join a fast-growing cleantech company revolutionising energy with smart-grid technology.
  • Benefits: Enjoy a salary up to Β£95k, hybrid work, private health insurance, and a pension scheme.
  • Why this job: Be part of the clean energy transition while shaping tech strategy and architecture.
  • Qualifications: Solid experience in Kotlin or Java, with knowledge of Spring Boot and Agile practices.
  • Other info: Opportunity to work closely with Product Owners and contribute innovative ideas.

The predicted salary is between 57000 - 95000 Β£ per year.

Join a fast-growing cleantech company as a Backend Kotlin Engineer that is driving the global shift to clean, affordable energy through an integrated hardware and software smart-grid platform focused on residential EV charging. By leveraging data, AI, and strong industry partnerships, they connect cars, chargers, people, and energy providers to place consumers at the heart of the energy transition.

What You'll Do:

  • Contribute to scalable backend infrastructure built in Kotlin
  • Write clean, maintainable, tested code in production
  • Shape tech strategy and architecture with new ideas and tools
  • Work closely with Product Owners and team members to deliver value
  • Mentor junior developers and support their growth

What You Bring:

  • Solid commercial experience in Kotlin (Open to those with a Java background)
  • Experience with Spring Boot, or similar frameworks (e.g. Ktor)
  • Strong API-first mindset and clean coding practices
  • Knowledge of Agile, peer reviews, pair programming, and test-driven development
  • Understanding of software design principles (SOLID, design patterns, etc.)
  • Experience turning stakeholder needs into scalable solutions

Perks & Benefits:

  • Salary Up to Β£95k
  • Hybrid work setup (2 days onsite)
  • Private Health Insurance
  • Pension Scheme

If you’re ready to take the next step in your career, apply now!

Back End Developer (Kotlin) employer: Understanding Recruitment

Join a pioneering cleantech company that is at the forefront of the energy transition, offering a dynamic work environment in London where innovation thrives. With a strong focus on employee development, you will have the opportunity to mentor junior developers and shape the tech strategy while enjoying a hybrid work setup and competitive benefits including private health insurance and a pension scheme. This is not just a job; it's a chance to contribute to a sustainable future while advancing your career in a supportive and collaborative culture.
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Contact Detail:

Understanding Recruitment Recruiting Team

StudySmarter Expert Advice 🀫

We think this is how you could land Back End Developer (Kotlin)

✨Tip Number 1

Familiarise yourself with Kotlin and its ecosystem. Since the role specifically requires solid commercial experience in Kotlin, brushing up on your skills and understanding of frameworks like Spring Boot or Ktor will give you a significant edge.

✨Tip Number 2

Showcase your experience with Agile methodologies. The company values an Agile mindset, so be prepared to discuss how you've successfully implemented Agile practices in previous projects during any interviews or discussions.

✨Tip Number 3

Prepare to demonstrate your API-first mindset. Think of examples where you've designed or worked with APIs, as this is crucial for the role. Being able to articulate your thought process will impress the hiring team.

✨Tip Number 4

Highlight your mentoring experience. Since the role involves supporting junior developers, be ready to share specific instances where you've guided others, showcasing your leadership and collaborative skills.

We think you need these skills to ace Back End Developer (Kotlin)

Kotlin Programming
Java Background
Spring Boot
Ktor Framework
API Development
Clean Coding Practices
Agile Methodologies
Test-Driven Development (TDD)
Software Design Principles (SOLID)
Design Patterns
Stakeholder Engagement
Scalable Solutions Development
Mentoring and Coaching
Collaboration Skills

Some tips for your application 🫑

Tailor Your CV: Make sure your CV highlights your experience with Kotlin and any relevant frameworks like Spring Boot or Ktor. Emphasise your understanding of software design principles and your ability to turn stakeholder needs into scalable solutions.

Craft a Compelling Cover Letter: In your cover letter, express your passion for clean energy and how your skills align with the company's mission. Mention specific projects where you've contributed to backend infrastructure and your approach to writing clean, maintainable code.

Showcase Your Technical Skills: If you have experience with Agile methodologies, peer reviews, or test-driven development, make sure to include these in your application. Highlight any mentoring roles you've had with junior developers to demonstrate your leadership capabilities.

Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any errors. A polished application reflects your attention to detail and professionalism, which are crucial for a Backend Developer role.

How to prepare for a job interview at Understanding Recruitment

✨Showcase Your Kotlin Expertise

Make sure to highlight your solid commercial experience in Kotlin during the interview. Be prepared to discuss specific projects where you've used Kotlin, and how it contributed to the success of those projects.

✨Demonstrate Your API-First Mindset

Since the role requires a strong API-first mindset, come ready to discuss your experience with APIs. Share examples of how you've designed or implemented APIs in previous roles, focusing on clean coding practices.

✨Familiarise Yourself with Agile Practices

Understanding Agile methodologies is crucial for this position. Brush up on your knowledge of Agile, peer reviews, pair programming, and test-driven development, and be ready to discuss how you've applied these practices in your work.

✨Prepare to Discuss Software Design Principles

The company values a strong understanding of software design principles like SOLID and design patterns. Prepare to explain these concepts and provide examples of how you've applied them in your previous projects.

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