At a Glance
- Tasks: Design and develop high-performance backend services while integrating AI/ML capabilities.
- Company: Award-winning digital consultancy making a real difference in the UK.
- Benefits: Competitive salary, flexible working, and opportunities for professional growth.
- Other info: Dynamic environment with excellent career advancement opportunities.
- Why this job: Join a team at the forefront of innovation and impact millions of lives.
- Qualifications: Strong programming skills and a solid understanding of algorithms required.
The predicted salary is between 60000 - 80000 £ per year.
About the company
The company is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter.
About the Role
We are looking for a Backend Developer with strong foundations in algorithms and data structures, ideally shaped by a background in competitive programming. You’ll work on building scalable backend systems while integrating AI/ML capabilities into real-world products.
Key Responsibilities
- Design, develop, and maintain high-performance backend services and APIs
- Build scalable systems capable of handling large datasets and real-time processing
- Integrate AI/ML models into backend pipelines (inference, optimization, deployment)
- Write efficient, optimized code with strong attention to time and space complexity
- Collaborate with data scientists and frontend engineers to deliver end-to-end solutions
- Optimize system performance, reliability, and scalability
- Participate in system design, code reviews, and technical discussions
Required Skills
- Strong programming skills in C++ / Python / Java
- Solid understanding of Data Structures & Algorithms (CP-level proficiency preferred)
- Experience with backend frameworks like FastAPI / Flask / Node.js / Spring Boot
- Knowledge of REST APIs, microservices architecture, and distributed systems
- Familiarity with databases: SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis)
- Experience with Git, CI/CD pipelines, and version control workflows
AI/ML Requirements
- Basic to intermediate understanding of Machine Learning / Deep Learning concepts
- Experience using frameworks like TensorFlow / PyTorch / scikit-learn
- Ability to integrate pretrained models into backend systems
- Familiarity with model deployment tools (e.g., Docker, APIs, model serving)
Preferred Qualifications
- Competitive programming experience (e.g., Codeforces, LeetCode, AtCoder)
- Experience with system design and scalable architecture
- Knowledge of cloud platforms like Amazon Web Services, Google Cloud, or Microsoft Azure
- Familiarity with message queues (Kafka, RabbitMQ)
- Exposure to real-time systems or high-frequency data processing
Nice to Have
- Experience with LLM APIs (e.g., OpenAI, open-source LLMs)
- Knowledge of vector databases (FAISS, Pinecone)
- Experience with Kubernetes and container orchestration
- Contributions to open-source or strong GitHub profile
Backend Developer in London employer: United States Digital Space LLC
As a multi-award-winning digital consultancy, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to make a meaningful impact on the lives of millions. Located in the heart of the UK, we offer exceptional growth opportunities through continuous learning and exposure to cutting-edge technologies, ensuring that our Backend Developers thrive in their careers while contributing to transformative projects for government departments. Join us to be part of a team that values user-centred design and agile delivery, where your skills will help shape the future of digital services.
Contact Details:
United States Digital Space LLC Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Backend Developer 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
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✨Tap into Online Developer Communities
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✨Explore Job Boards Specifically for Tech Roles
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We think you need these skills to ace Backend Developer in London
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.
