Software Developer - Commissioning Team in Bridgwater

Software Developer - Commissioning Team in Bridgwater

Bridgwater Full-Time 40000 - 50000 € / year (est.) Home office (partial)
Assystem

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, Python, and JavaScript is essential.

The predicted salary is between 40000 - 50000 € per year.

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.

Software Developer - Commissioning Team in Bridgwater employer: Assystem

At Assystem, we pride ourselves on being a leading employer in the energy sector, offering a dynamic work culture that fosters innovation and collaboration. Our commitment to employee growth is evident through our hybrid working opportunities, flexible hours, and comprehensive benefits package, including professional development support and wellness initiatives. Join us in a role that not only contributes to groundbreaking nuclear projects but also empowers you to shape the future of energy while enjoying a supportive and diverse workplace.

Assystem

Contact Detail:

Assystem Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Software Developer - Commissioning Team in Bridgwater

Tip Number 1

Network like a pro! Reach out to current employees at Assystem on LinkedIn or other platforms. Ask them about their experiences and any tips they might have for landing a role in the commissioning team.

Tip Number 2

Prepare for technical interviews by brushing up on your coding skills. Practice common algorithms and data structures, especially in Python and JavaScript, as these are key for the Software Developer role.

Tip Number 3

Showcase your projects! Whether it's on GitHub or your personal website, having a portfolio of your work can really set you apart. Make sure to highlight any relevant experience with I&C systems or web applications.

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 joining the Assystem community.

We think you need these skills to ace Software Developer - Commissioning Team in Bridgwater

Python
JavaScript
PostgreSQL
FastAPI
Flask
Django
Angular

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that match the Software Developer role. Highlight your proficiency in Python, JavaScript, and SQL, and don’t forget to mention any relevant projects or achievements!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re passionate about the energy sector and how your background makes you a perfect fit for our commissioning team. Keep it engaging and personal!

Showcase Your Projects:If you've worked on any web applications or software solutions, make sure to include them in your application. We love seeing real examples of your work, especially if they demonstrate your problem-solving skills and creativity.

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands and shows us you’re serious about joining our community of Switchers!

How to prepare for a job interview at Assystem

Know Your Tech Stack

Make sure you’re well-versed in the technologies mentioned in the job description, especially Python and JavaScript. Brush up on your knowledge of frameworks like FastAPI or Flask for Python, and be ready to discuss how you've used them in past projects.

Showcase Your Problem-Solving Skills

Prepare examples of how you've tackled complex problems in software development. Think about specific challenges you faced, the solutions you implemented, and the outcomes. This will demonstrate your proactive approach and ability to innovate.

Understand the Commissioning Process

Familiarise yourself with the commissioning process in the context of Instrumentation & Control systems. Being able to discuss how your software solutions can simplify data interpretation for commissioning engineers will show that you understand the role's impact.

Ask Insightful Questions

Prepare thoughtful questions about the team dynamics, project timelines, and the technologies they use. This not only shows your interest in the role but also helps you gauge if the company culture aligns with your values.