Back End Developer (Kotlin)
Back End Developer (Kotlin)

Back End Developer (Kotlin)

Full-Time 57000 - 76000 Β£ / year (est.) No home office possible
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At a Glance

  • Tasks: Join a team to build scalable backend infrastructure using Kotlin.
  • Company: Be part of a fast-growing cleantech company revolutionising energy with smart-grid technology.
  • Benefits: Enjoy a hybrid work setup, private health insurance, and a competitive salary up to Β£95k.
  • Why this job: Contribute to meaningful projects that drive the transition to clean energy while mentoring junior developers.
  • Qualifications: Solid experience in Kotlin or Java, with knowledge of Spring Boot and Agile methodologies.
  • Other info: This role offers a chance to shape tech strategy and collaborate closely with product teams.

The predicted salary is between 57000 - 76000 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: Job Traffic

Join a pioneering cleantech company that is not only at the forefront of the energy transition but also values its employees' growth and well-being. With a hybrid work model, competitive salary, and comprehensive benefits including private health insurance and a pension scheme, this role offers a supportive environment where you can thrive. Collaborate with passionate professionals, mentor junior developers, and contribute to meaningful projects that make a real difference in the world.
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Contact Detail:

Job Traffic 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 the language will give you a significant edge during discussions.

✨Tip Number 2

Showcase your experience with Spring Boot or similar frameworks. Be prepared to discuss specific projects where you've implemented these technologies, as this will demonstrate your practical knowledge and ability to contribute to their tech stack.

✨Tip Number 3

Highlight your API-first mindset and clean coding practices. Prepare examples of how you've designed APIs or contributed to projects that prioritised clean code, as this aligns closely with the company's values and expectations.

✨Tip Number 4

Emphasise your experience in Agile environments. Be ready to discuss how you've worked in Agile teams, including your involvement in peer reviews and pair programming, as this will show your adaptability and teamwork skills.

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

Kotlin
Java
Spring Boot
Ktor
API Development
Clean Coding Practices
Agile Methodologies
Test-Driven Development (TDD)
Software Design Principles (SOLID)
Design Patterns
Scalable Solutions
Mentoring
Collaboration with Product Owners
Problem-Solving Skills

Some tips for your application 🫑

Understand the Role: Before applying, make sure to thoroughly understand the responsibilities and requirements of the Backend Engineer position. Familiarise yourself with Kotlin, Spring Boot, and the company's focus on clean energy solutions.

Tailor Your CV: Highlight your relevant experience in Kotlin and any projects that demonstrate your ability to write clean, maintainable code. Include specific examples of how you've contributed to scalable backend infrastructure or mentored junior developers.

Craft a Compelling Cover Letter: Use your cover letter to express your passion for clean technology and how your skills align with the company's mission. Mention your experience with Agile methodologies and your API-first mindset to show you’re a great fit.

Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any spelling or grammatical errors. A polished application reflects your attention to detail and professionalism.

How to prepare for a job interview at Job Traffic

✨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 approach to designing APIs. Share examples of how you've implemented clean coding practices and how they benefited your previous projects.

✨Familiarise Yourself with Agile Practices

Understanding Agile methodologies is crucial for this position. Be prepared to talk about your experience with Agile, peer reviews, and pair programming, and how these practices have improved your team's productivity.

✨Prepare to Discuss Software Design Principles

Brush up on software design principles like SOLID and design patterns. Be ready to explain how you've applied these principles in your work to create scalable solutions that meet stakeholder needs.

Back End Developer (Kotlin)
Job Traffic

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