At a Glance
- Tasks: Design and build secure software products that enhance performance and decision-making.
- Company: Join Assystem, a leading nuclear engineering firm with a collaborative culture.
- Benefits: Enjoy hybrid working, flexible hours, competitive salary, and professional development opportunities.
- Other info: Be part of a diverse team driving digital transformation in a dynamic environment.
- Why this job: Make a real impact on critical infrastructure projects while advancing your career.
- Qualifications: 8 years of software development experience and strong problem-solving skills.
The predicted salary is between 55000 - 65000 £ per year.
About Assystem
Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.
In line with our 2030 Business Plan, we are delivering a major enterprise transformation initiative - the Assystem Transformation Programme (ATP) - to streamline and harmonise business operations across all geographies. This includes optimising our processes, redesigning and redeveloping our Integrated Management System, and moving from document-centric to data-centric ways of working.
The Job Mission
We are looking for a Senior Software Engineer to join the Digital Excellence Centre (DEC) UK. You will help design, build and support secure, maintainable software products and reusable components that improve performance, decision-making and delivery across the business and for our clients. This is a hands-on role in a small, senior team, with real scope to influence technical direction, engineering standards and solution design. You will work across a varied technology environment, contribute from discovery through to production support, and collaborate closely with colleagues in the UK, India and, where relevant, France.
We are not looking for someone who knows every tool in our stack. We are looking for strong engineering fundamentals, sound judgement, adaptability and a practical approach to solving problems.
What you will do:
- Work closely with senior stakeholders to understand requirements
- Design, build, test, deploy and support software applications, services and reusable components
- Produce pragmatic technical designs that balance quality, security and maintainability
- Work across back end services, integrations and user-facing applications
- Contribute to engineering standards through code review, testing, CI/CD and documentation
- Design secure APIs and integrations across digital products, enterprise systems and data services
- Work closely with data engineers on APIs, events and data contracts
- Support and mentor others through pairing, review and day-to-day collaboration
- Help make sensible technology choices that keep solutions supportable over time
My profile
Essential Skills:
- 8 years experience
- Practical use of, or strong interest in use of AI-assisted development tools in a responsible delivery environment
- Experience delivering production software end to end, working closely with stakeholders
- Front end, back end development experience
- Experience designing APIs and integrating with enterprise systems and data services
- Good understanding of software design principles and modern engineering practice
- Experience with automated testing and CI/CD
- Experience working with relational databases
- Familiarity with database and caching technologies
- Understanding of secure coding and modern authentication and authorisation
- Experience delivering software in cloud-hosted environments, e.g. Azure
- Ability to work effectively across a mixed technology estate
- Strong communication skills and experience working in collaborative teams
- Experience mentoring others through review, pairing and practical support
Desired Skills:
- Experience with container tooling
- Familiarity with Microsoft tooling, including Power Platform
- Experience with Office document automation, including Excel, Word and PDF generation
Security and eligibility
Depending on project requirements, you may need to meet UK residency criteria and achieve UK security clearance, such as BPSS and potentially SC. You do not need deep expertise in all of these, but you should be comfortable learning and contributing across a varied environment. Our current stack includes, but is not limited to: C#/.NET, Python FastAPI/Django, TypeScript, Angular, Vue.js, PostgreSQL, MongoDB, Redis/Valkey, RabbitMQ, Kafka, Azure, S3-compatible storage, Talend, NiFi, Docker, Podman, Kubernetes, Power Platform, and Office document automation tools such as Aspose.
Join Assystem and play a key role in delivering enterprise-wide digital transformation across a global engineering organisation. Work alongside highly experienced software and data professionals to build innovative solutions supporting critical infrastructure projects while developing your career in a collaborative and forward-thinking 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!
Senior Software Engineer employer: Assystem GmbH
Assystem is an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation within the Digital Excellence Centre in Bristol. With a strong commitment to employee growth, we provide opportunities for professional development, flexible working arrangements, and a comprehensive benefits package, including a generous pension scheme and wellness support. Join us to be part of a forward-thinking team dedicated to delivering impactful solutions in the nuclear engineering sector while enjoying a supportive and inclusive environment.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer
✨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 GmbH 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 GmbH.
✨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 GmbH.
✨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 GmbH 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 Senior Software Engineer
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 GmbH.
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 GmbH 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 GmbH
✨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 GmbH 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.
