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- Tasks: Join a dynamic team to design and implement innovative backend services and APIs.
- Company: Be part of a stealth-mode start-up in London, focused on cutting-edge security technology.
- Benefits: Enjoy hybrid working, competitive salary, equity options, and mentorship from industry experts.
- Why this job: Shape the future of a high-potential start-up while working with modern tech and AI tools.
- Qualifications: 2 years of experience in software development, strong programming skills, and a STEM degree.
- Other info: Inclusive recruitment process; we welcome diverse applicants.
The predicted salary is between 36000 - 60000 £ per year.
A brilliant opportunity for a Junior Backend Software Engineer to join an incredibly exciting start-up in London, which is currently in stealth mode developing innovative technology in the security space. Founded by a team of industry experts with multiple successful exits under their belt, this is a chance to join a company at its earliest stages, contribute to the technical roadmap, and work on greenfield projects that blend backend infrastructure with cutting-edge cloud and AI technologies. You’ll be joining a high-trust, low-ego environment focused on technical excellence and continuous learning.
Location: Central London – hybrid working (4–5 days in-office per week)
Salary: £45,000 – £70,000 + equity in the business
Requirements for Junior Backend Software Engineer:
- Around 2 years of commercial experience (or equivalent) in a software development role, ideally building cloud-driven SAAS products
- Excellent academic background – typically a 2.1 or above in a STEM subject from a leading university, plus strong A Levels (AAB or better or equivalent)
- Strong programming ability in at least one of: Golang, Python, Java, C++, or Rust
- Exposure to or keen interest in cloud infrastructure tools such as Docker, Terraform, AWS CDK, or similar
- Strong problem-solving skills, eagerness to learn, and ability to work in a fast-paced R&D environment
- Excellent communication and collaboration skills
Bonus: Experience working with software-heavy embedded devices that connect to the cloud – especially where there’s big data handling, AI functionality, and advanced visualisation
Responsibilities:
- Collaborate with a small, experienced team to define and deliver new product features
- Design and implement backend services, APIs, and integrations
- Optimise code for performance, reliability, and scalability
- Contribute to product design and system architecture
- Take part in code reviews, pair programming, and regular feedback cycles
- Work across a modern backend stack involving AWS, PostgreSQL/DynamoDB/OpenSearch, S3, WebSockets, and infrastructure-as-code
What this offers:
- The chance to join at the very beginning of a high-potential start-up, with a seat at the table in shaping the product and company
- Mentorship and growth – work side by side with engineers who’ve built products at scale
- Access to a modern backend tech stack and AI-enhanced tooling
- Equity in the business, alongside a competitive salary and benefits package
- An environment that values curiosity, humility, and collaboration
Applications:
If this sounds like the kind of opportunity you’ve been looking for, we’d love to hear from you. Please submit an up-to-date CV, including any links to your GitHub or online portfolio. We’re committed to creating an inclusive and accessible recruitment process. If you require reasonable adjustments at any stage, just let us know via email.
About RedTech Recruitment: RedTech Recruitment Ltd focuses on finding roles for engineers and scientists. Even if this role isn’t quite right, we encourage you to check out other opportunities on our website. We are an equal-opportunity employer and value diversity at RedTech. We do not discriminate based on race, religion, gender, sexual orientation, age, disability status, or background.
Back-End Software Developer employer: JR United Kingdom
Contact Detail:
JR United Kingdom Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Back-End Software Developer
✨Tip Number 1
Familiarise yourself with the specific technologies mentioned in the job description, such as Golang, Python, and AWS. Having hands-on experience or personal projects that showcase your skills in these areas can set you apart from other candidates.
✨Tip Number 2
Engage with the tech community by attending meetups or online forums related to backend development and cloud technologies. Networking with professionals in the field can provide valuable insights and potentially lead to referrals for the position.
✨Tip Number 3
Prepare to discuss your problem-solving approach during interviews. Be ready to share examples of challenges you've faced in previous projects and how you overcame them, especially in fast-paced environments.
✨Tip Number 4
Showcase your eagerness to learn and adapt by highlighting any relevant courses or certifications you've completed. This demonstrates your commitment to continuous improvement, which is highly valued in a start-up environment.
We think you need these skills to ace Back-End Software Developer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience in backend development, particularly with cloud-driven SaaS products. Emphasise your programming skills in Golang, Python, Java, C++, or Rust, and include any projects that showcase your problem-solving abilities.
Showcase Your Projects: Include links to your GitHub or online portfolio in your application. This is a great way to demonstrate your coding skills and any relevant projects you've worked on, especially those involving cloud infrastructure or AI technologies.
Craft a Strong Cover Letter: Write a cover letter that reflects your enthusiasm for the role and the company. Mention your eagerness to learn and collaborate in a fast-paced environment, and how your background aligns with their focus on technical excellence and innovation.
Highlight Soft Skills: In addition to technical skills, emphasise your communication and collaboration abilities. The company values a high-trust, low-ego environment, so showcasing your teamwork and adaptability will make your application stand out.
How to prepare for a job interview at JR United Kingdom
✨Showcase Your Technical Skills
Be prepared to discuss your programming experience in languages like Golang, Python, Java, C++, or Rust. Bring examples of projects you've worked on, especially those involving cloud-driven SaaS products, to demonstrate your technical prowess.
✨Understand the Company’s Vision
Research the start-up's mission and the innovative technology they are developing in the security space. Showing that you understand their goals and how you can contribute will impress the interviewers.
✨Prepare for Problem-Solving Questions
Expect to face questions that assess your problem-solving skills. Practice coding challenges or algorithm problems that reflect real-world scenarios you might encounter in a fast-paced R&D environment.
✨Emphasise Collaboration and Communication
Since the role involves working closely with a small team, highlight your collaboration and communication skills. Share examples of how you've successfully worked in teams, participated in code reviews, or engaged in pair programming.
