Software Engineer (Java, back-end) in London

Software Engineer (Java, back-end) in London

London Full-Time 70000 - 90000 £ / year (est.) Home office (partial)
United States Digital Space LLC

At a Glance

  • Tasks: Design and develop scalable applications to transform rail travel experiences.
  • Company: Join a pioneering tech company reshaping eco-friendly travel.
  • Benefits: Flexible hybrid work, competitive salary, private healthcare, and wellness subscriptions.
  • Other info: Collaborative culture focused on innovation and personal growth.
  • Why this job: Make a real impact on sustainable travel while advancing your tech skills.
  • Qualifications: 3+ years in software development with strong Java and Agile experience.

The predicted salary is between 70000 - 90000 £ per year.

Who We Are and What We Do

At the company, we’re on a mission to reshape the way the world travels, and we’re inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium-haul travel worldwide, and we’re here to help make it happen.

In the face of the ongoing climate crisis, our vision is crystal clear. We are transforming the online customer experience for rail travel, making it easier than ever for customers to find, buy and use rail. Our cutting-edge technology is the backbone of rail and travel agencies worldwide, making it effortless for travellers to choose the eco-friendly option and reduce their carbon footprint.

We have more than 15 years of trailblazing success behind us, and our teams are spread across the globe, with bases in London, Boston, Brisbane, and Stockholm. We thrive on the philosophy of 'fail-fast-fail-early,' which drives us to find ingenious solutions to complex challenges. Join us, and help shape the future of travel!

The Role

As a Software Engineer, you will play an important role in the design, development, and maintenance of scalable applications and services, working closely with Product Owners, QA Engineers, Architects, and fellow developers throughout the software development lifecycle. You will contribute to translating business requirements into high-quality technical solutions that deliver value to customers and stakeholders.

You will be responsible for developing clean, maintainable, and efficient code using modern engineering practices and technologies, with a strong focus on application performance, reliability, scalability, and security. The role requires active participation in technical discussions, solution design, code reviews, testing activities, and continuous improvement initiatives within an Agile delivery environment.

The ideal candidate will bring strong hands-on experience in software development, excellent problem-solving skills, and a collaborative mindset. You will also contribute to the evolution of engineering standards and best practices while supporting and mentoring junior members of the team.

Key Responsibilities

  • Analyse business and technical requirements to design, develop, test, and maintain software components and services.
  • Design, develop, and support modern APIs, ensuring reliability, scalability, and maintainability.
  • Write clean, efficient, and scalable code aligned with established engineering standards and best practices.
  • Contribute to application and service design, including scalable and modular architecture approaches.
  • Perform unit testing, integration testing, troubleshooting, and defect resolution to ensure software quality and stability.
  • Collaborate with Product Owners, QA Engineers, and development teams throughout the Agile software delivery lifecycle.
  • Participate in code reviews, technical discussions, and continuous improvement initiatives to enhance engineering practices and delivery processes.
  • Provide technical guidance and mentorship to junior team members, supporting knowledge sharing and team development.

Required Competence and Skills

  • Three or more years of hands-on software development experience.
  • Strong knowledge of Java 17+, Spring, Spring Boot.
  • Good knowledge of Hibernate or equivalent ORM, and relational databases like MySQL; experience with NoSQL databases is a bonus.
  • Experience building JSON and XML APIs. Knowledge of RESTful principles is a plus.
  • Experience working in an Agile (Scrum) environment.
  • Experience using Git SCM and CI/CD pipelines. GitLab experience would be beneficial.
  • Experience with cloud technologies such as AWS, Docker, and Kubernetes would be beneficial.
  • Experience with micro-service and SaaS architectures.
  • Experience with Event Driven Architecture and Domain-driven design concepts a plus.
  • Excellent verbal and written communication skills.
  • Strong time management skills with the ability to prioritise workloads under pressure and meet deadlines.
  • A self-starter who is hands-on and knows how to find answers and work with ambiguity.
  • Values-driven and practical in your approach.

Why us?

We are an accredited flexible company, utilising a hybrid working model, providing equipment for home working alongside one or two monthly visits to our beautiful central London office. We offer a highly competitive benefits package including private healthcare and rail discounts. We provide a wealth of career development opportunities with training that is individual, focused on improving your skills and helping you become the best professional you can be. Our team’s health and wellness is genuinely important to us, so we offer a number of wellbeing subscriptions including membership to the #1 leading meditation app. A unique opportunity to work for a tech company that is helping the environment by revolutionising the way we travel.

Our values are simple: Do Good by working for a better tomorrow; Think Big Act Smart by being curious, adaptable and data-driven; and remember that through collaboration we will always be Stronger Together. We are a neurodiverse employer and are working hard to improve our recruitment processes, so if there is any way that we can make the recruitment experience better for you then please let us know in your application - all information will be treated as strictly confidential.

Software Engineer (Java, back-end) in London employer: United States Digital Space LLC

At our company, we pride ourselves on being an exceptional employer, offering a flexible hybrid working model that allows you to balance your professional and personal life while working from our beautiful central London office. With a strong focus on employee growth, we provide tailored training opportunities, a competitive benefits package including private healthcare and rail discounts, and a commitment to wellness through various wellbeing subscriptions. Join us in revolutionising travel and making a positive impact on the environment, all while being part of a collaborative and innovative team culture.

United States Digital Space LLC

Contact Details:

United States Digital Space LLC Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Software Engineer (Java, back-end) in London

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at United States Digital Space LLC or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to United States Digital Space LLC.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like United States Digital Space LLC.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like United States Digital Space LLC that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Software Engineer (Java, back-end) in London

Java 17+
Spring
Spring Boot
Hibernate
MySQL
NoSQL databases
JSON APIs

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at United States Digital Space LLC.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at United States Digital Space LLC and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at United States Digital Space LLC

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If United States Digital Space LLC uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.