At a Glance
- Tasks: Design and develop innovative software solutions with a dynamic team.
- Company: Join One Big Circle, an award-winning tech company in Bristol.
- Benefits: Enjoy competitive salary, 25 days holiday, private healthcare, and more.
- Other info: Be part of a fast-growing team with excellent career growth opportunities.
- Why this job: Make a real impact with cutting-edge technology in a supportive environment.
- Qualifications: 3+ years of software engineering experience and a passion for problem-solving.
The predicted salary is between 36000 - 70000 £ per year.
One Big Circle – Bristol
Full-Time 37.5 hours over 5 Days
Salary: £36,000 - £70,000 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.
- Device & Embedded Software Systems: Embedded Linux, C++/Python, embedded systems, multi-sensor and camera-based devices (including thermal and line-scan), data acquisition and edge processing, device-to-cloud pipelines, networking, system integration, hardware/software collaboration, field diagnostics, performance optimisation, secure and robust systems, Linux build systems (e.g. Yocto), media pipelines (e.g. GStreamer), FFMPEG, IoT devices, sensor data processing, signal conditioning, computer vision, FPGA exposure, electronics fundamentals.
- Platform Engineering: Cloud infrastructure, AWS, distributed systems, backend services, RESTful APIs, microservices architecture, service integration, data pipelines, storage systems, relational databases (MySQL), scalability, system reliability, observability, infrastructure as code, serverless deployments, containerisation (Docker), AWS services (Lambda, SQS, EC2, S3), IAM permissions (AWS), DevOps security, CI/CD, CI/CD tools (GitHub Workflows), Git, Python development, Python testing frameworks (pytest, unittest), JavaScript knowledge (Node.js), RabbitMQ, FFMPEG, Linux systems administration.
- Machine Learning: Applied machine learning, computer vision, object detection, image classification, model development and evaluation, data annotation and curation, training pipelines, performance optimisation, edge ML, MLOps, deployment and maintenance of ML solutions, Python development, Python-based ML frameworks, PyTorch, TensorFlow, sklearn, OpenCV, NumPy, feature development, code review, pytest, linting, bug fixing, relational databases, database design and maintenance, AWS/cloud infrastructure, CI/CD pipelines, developer tooling, Linux systems.
The Role:
As an OBC Software Engineer, you’ll be a hands-on contributor, working closely with experienced engineers to build reliable, high-performance systems across devices, cloud platforms, and applied ML, contributing to real-world, field-deployed solutions. You will take responsibility for defined components and projects, contributing to system design, implementation, testing, and deployment, while continuing to develop your technical and professional skills.
Responsibilities:
- You will contribute to the development of innovative solutions within a skilled team that likes getting things done:
- Design, develop, and maintain software solutions
- Contribute to system design and technical decision-making within the team
- Collaborate with adjacent teams to achieve system integration
- Take ownership of features, projects, or technical areas (scope matched to experience)
- Diagnose and resolve issues with in-service systems and data
- Contribute to code reviews and help maintain high engineering standards
- Support continuous improvement of development practices, tooling, and system reliability
Personal Qualities and Experience:
We are looking for engineers with a strong foundational skillset, a pragmatic approach to problem solving, and a desire to grow. You should be comfortable working in dynamic and multidisciplinary technical teams.
Personal Attributes:
- Practical and delivery-focused, balancing engineering rigour with pragmatism
- Strong communication skills, able to work effectively with multidisciplinary teams
- Self-motivated and proactive, with a willingness to take ownership of work
- Comfortable contributing to code reviews and technical discussions
- Willing to support more junior engineers
- Keen to grow into greater responsibility for technical direction and project delivery
Company Benefits Include:
- Auto enrolment Pension Scheme
- 25 Days Holiday plus bank holidays
- Life Assurance
- Private Healthcare Cover
- Work related training courses as required
- Complimentary snacks and refreshments including fresh fruit
- Office-Centric role
- Access to Bike to Work Scheme
- Secure bike storage and shower facilities
- Social events
How to Apply:
Join an award-winning team, named ‘The Sunday Times Best Medium-sized Technology Company 2025’. At One Big Circle, you’ll be part of a fast-growing team where your ideas and contributions are truly valued.
Please send your CV and covering letter to . By applying for this role, you understand that we will process your personal information in accordance with our privacy policy, accessible at https://onebigcircle.co.uk/privacy-policy/
Successful applicants will be required to pass a BPSS (Baseline Personnel Security Standard) check.
Locations
Software Engineer (Mid and Senior Levels) in Newport, Wales employer: One Big Circle
At OBC, we pride ourselves on being an exceptional employer, offering a dynamic work environment where mid and senior-level Software Engineers can thrive. Our culture fosters collaboration and continuous learning, with ample opportunities for professional growth through hands-on projects and mentorship from experienced engineers. Located in a vibrant area, we provide a range of benefits including private healthcare, generous holiday allowances, and a supportive atmosphere that encourages innovation and teamwork.
StudySmarter Expert Advice🤫
We think this is how you could land Software Engineer (Mid and Senior Levels) in Newport, Wales
✨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 One Big Circle 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 One Big Circle.
✨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 One Big Circle.
✨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 One Big Circle 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 (Mid and Senior Levels) in Newport, Wales
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 One Big Circle.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at One Big Circle 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 One Big Circle
✨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 One Big Circle 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.
