Software Engineer (Mid and Senior Levels)
Software Engineer (Mid and Senior Levels)

Software Engineer (Mid and Senior Levels)

Full-Time 36000 - 70000 ÂŁ / year (est.) No home office possible
One Big Circle Ltd

At a Glance

  • Tasks: Join our team to develop innovative video technology solutions and tackle real-world challenges.
  • Company: Award-winning tech company, recognised for its dynamic culture and rapid growth.
  • Benefits: Competitive salary, flexible working hours, and opportunities for professional development.
  • Other info: Exciting career growth opportunities in a supportive and inclusive environment.
  • Why this job: Be part of a pioneering team that empowers you to make a real impact in technology.
  • Qualifications: 3+ years of software engineering experience and a passion for collaboration.

The predicted salary is between 36000 - 70000 ÂŁ per year.

One Big Circle – Bristol

Full-Time 37.5 hours over 5 Days

Salary: ÂŁ36,000 - ÂŁ70,000 depending on experience

The software technology team at One Big Circle is expanding! We are looking for software engineers at all levels of seniority and experience to integrate into our existing team and work across our diverse technology estate.

About One Big Circle:

  • Be part of an award-winning workplace: The Sunday Times Best Medium-sized Technology Company 2025
  • Formed in 2017, One Big Circle is a fast-growing Bristol technology company that provides “Intelligent Video” solutions.
  • We focus entirely on solving real-world industry problems by fusing new technology in the field of Video, IOT, Cloud and AI providing end to end solutions which allow our customers to dramatically improve their operational efficiency and safety.
  • Our culture is one of high-quality technical delivery and we work at a speed that many industries are unaccustomed to; we have done this by building a team dynamic that challenges and empowers our people and creating an environment where everyone contributes and learns.
  • We are growing, profitable and have ambitious plans to continue expansion in and beyond our existing markets.

We are looking for a proactive and motivated individual to join our team to support the business in further growing our flagship award-winning product: AIVR.

AIVR (Automated Intelligent Video Review) is a state-of-the-art video technology system used by thousands of people in the rail industry. AIVR has won dozens of awards and is recognised as the market leading solution, but we are building many more opportunities both in existing and new markets which will further accelerate our growth.

We have built a culture where people feel supported, included, and empowered to do their best work. Our team is growing, and we’d love for you to be part of the journey.

Available Roles:

We have a number of roles available that are suitable for engineers with circa 3+ years of experience from ‘mid level’ up to senior. The roles span a number of broad capability areas which describe the kinds of problems we work on. They are not checklists, we recognise that candidates will bring depth in some areas and interest or exposure in others. We encourage interest from applicants with partial or adjacent skills and backgrounds, to fill a number of different roles within each capability area.

Software Engineer (Mid and Senior Levels) employer: One Big Circle Ltd

One Big Circle is an award-winning technology company based in Bristol, recognised as one of the Best Medium-sized Technology Companies by The Sunday Times in 2025. Our vibrant work culture fosters collaboration and innovation, empowering employees to contribute meaningfully while enjoying ample opportunities for professional growth. With a focus on cutting-edge solutions in Intelligent Video, IOT, Cloud, and AI, we offer a dynamic environment where your skills can thrive and make a real impact.
One Big Circle Ltd

Contact Detail:

One Big Circle Ltd Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Software Engineer (Mid and Senior Levels)

✨Tip Number 1

Network like a pro! Reach out to current employees at One Big Circle on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.

✨Tip Number 2

Show off your skills! If you’ve got a portfolio or GitHub with projects that highlight your coding prowess, make sure to share it during interviews. It’s a great way to demonstrate what you can bring to the table.

✨Tip Number 3

Prepare for the tech interview! Brush up on common coding challenges and system design questions. Practising with friends or using online platforms can help you feel more confident when it’s your turn to shine.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in being part of our awesome team.

We think you need these skills to ace Software Engineer (Mid and Senior Levels)

Software Development
Video Technology
IOT (Internet of Things)
Cloud Computing
Artificial Intelligence (AI)
Problem-Solving Skills
Team Collaboration
Agile Methodologies
Technical Delivery
Operational Efficiency
Proactive Attitude
Motivation
Adaptability
Learning Agility

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Software Engineer role. Highlight relevant projects and technologies you've worked with, especially those related to video, IoT, cloud, and AI.

Craft a Compelling Cover Letter: Use your cover letter to tell us why you're excited about joining One Big Circle. Share your passion for technology and how you can contribute to our award-winning product, AIVR. Be genuine and let your personality shine through!

Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled challenges in previous roles. We love candidates who can think critically and come up with innovative solutions, so don't hold back on sharing your successes!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you’re keen to be part of our team!

How to prepare for a job interview at One Big Circle Ltd

✨Know Your Tech Stack

Make sure you’re familiar with the technologies mentioned in the job description. Brush up on your knowledge of video technology, IoT, Cloud, and AI. Being able to discuss how you've used these technologies in past projects will show that you're not just a fit for the role but also genuinely interested in what One Big Circle does.

✨Showcase Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous roles and how you tackled them. One Big Circle values problem solvers, so think of examples where you’ve improved operational efficiency or safety through your work. This will demonstrate your proactive mindset and ability to contribute to their ambitious goals.

✨Cultural Fit Matters

Research One Big Circle’s culture and values. They pride themselves on a supportive and empowering environment, so be ready to share how you thrive in team settings and contribute to a positive workplace. Highlight experiences where you’ve collaborated effectively or helped others succeed.

✨Ask Insightful Questions

Prepare thoughtful questions about the company’s future projects, especially regarding AIVR and its expansion plans. This shows your enthusiasm for the role and helps you gauge if the company aligns with your career aspirations. It’s a two-way street, and you want to ensure it’s the right fit for you too!

Software Engineer (Mid and Senior Levels)
One Big Circle Ltd

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