At a Glance
- Tasks: Design and develop software solutions for nuclear project commissioning.
- Company: Join Assystem, a leading independent nuclear engineering company.
- Benefits: Enjoy hybrid working, flexible hours, and competitive pay with great perks.
- Other info: Be part of a diverse team driving innovation in energy transition.
- Why this job: Make a real impact on the energy sector while advancing your tech skills.
- Qualifications: Experience in web development with Python and JavaScript is essential.
Company Description
About Assystem
At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutionizing the energy sector and making a significant global impact.
Why Join the Community of Switchers?
Be part of one of the top three largest independent nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.
Job Description
We are seeking a skilled Software Developer to play a key role in supporting Instrumentation & Control (I&C) system commissioning across a major nuclear project. This role focuses on designing, developing, testing, and supporting software solutions that enable safe, efficient, and compliant commissioning activities on one of the UK’s most significant infrastructure projects.
You will develop robust, scalable applications using technologies such as Python, JavaScript, and PostgreSQL, contributing across the full software development lifecycle - from requirements capture and technical design through to implementation, testing, deployment, and ongoing optimisation.
We are looking for someone who is comfortable working across both server-side and client-side technologies, has a strong understanding of modern web architectures, and takes pride in delivering clean, maintainable, and high-quality code. A proactive approach to troubleshooting, performance optimisation, and continuous improvement is essential, along with a desire to stay current with emerging technologies and best practices.
This is a hands-on role within a fast-paced commissioning environment, requiring strong attention to detail, adaptability, and effective collaboration with multidisciplinary teams. Your work will directly support the safe startup and long-term performance of critical nuclear systems.
Roles & Responsibilities:
- Design technical solutions to support I&C commissioning engineers, simplifying the use and interpretation of I&C data.
- Improve and maintain web-based applications.
- Implement backend logic, data processing workflows, and automation solutions using Python.
- Build responsive, user-friendly frontend components and interactive features using JavaScript.
- Design, manage, and optimise relational databases in PostgreSQL.
- Write performant SQL queries, stored procedures, and data migration scripts.
- Ensure data integrity and security across environments.
- Ensure software quality by testing and writing documentation.
- Conduct unit testing, integration testing, and assist in user acceptance testing.
- Write technical specifications and installation procedures.
- Assist in writing user manuals.
- Debug, troubleshoot, and resolve software defects across the stack.
- Deploy and maintain these tools.
- Collaborate with cybersecurity team.
- Ensuring high standards of security, performance, and scalability across all developed solutions.
- Contribute to the continuous improvement of development practices and code quality standards.
Qualifications
Essential
- Proven experience developing web applications.
- Strong proficiency in Python and at least one major Python framework (FastAPI, Flask, Django).
- Strong knowledge of JavaScript and common front-end libraries (ideally Angular).
- Solid understanding of SQL database: modelling, query optimisation, and performance tuning.
- The ability to innovate, think laterally and implement processes.
- Fluent in spoken and written English.
Desirable
- Degree in software development.
- Experience with containerisation technologies such as Docker.
- Familiarity with cloud platforms (AWS, Azure, GCP) or on-premises hosting environments.
Additional Information
Join us at Assystem and be part of a global team delivering some of the most exciting and complex engineering projects in the world. This is your chance to shape the UK’s energy future while developing your expertise in a unique environment.
Benefits include:
- Hybrid Working Opportunity
- Flexible working hours
- Pension scheme (8% company contribution / 4% personal contribution)
- 25 days’ paid annual leave + bank holidays + option to buy or sell days
- Professional fees reimbursed
- Employee referral scheme
- Competitive Sick Pay – Support when you need it
- Income Protection & 3x Salary Death-in-Service Cover
- Free Digital Gym Access – Expert-led fitness classes
- 24/7 Employee Support Line – Mental health, financial & legal help
We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future.
Locations
Software Developer - Commissioning Team in Bridgwater, Somerset employer: Assystem
Assystem is an exceptional employer that champions innovation and collaboration within the nuclear engineering sector. Located in Greater London, we offer a dynamic work culture that prioritises employee growth through continuous learning opportunities and professional development. Our commitment to excellence is matched by our supportive environment, making it a rewarding place for talented individuals to thrive and contribute to impactful projects.
StudySmarter Expert Advice🤫
We think this is how you could land Software Developer - Commissioning Team in Bridgwater, Somerset
✨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 Assystem 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 Assystem.
✨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 Assystem.
✨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 Assystem 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 Developer - Commissioning Team in Bridgwater, Somerset
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 Assystem.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Assystem 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 Assystem
✨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 Assystem 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.