At a Glance
- Tasks: Develop and maintain innovative test solutions using C/C++ and scripting languages.
- Company: Join a top-rated tech company known for its collaborative and inclusive culture.
- Benefits: Enjoy competitive salary, private medical insurance, and flexible working options.
- Other info: Great opportunities for professional development and career growth.
- Why this job: Make an impact in digital transformation while working with cutting-edge technologies.
- Qualifications: Proficient in C/C++, C#, and familiar with test automation tools.
The predicted salary is between 63000 - 77000 £ per year.
Software Engineer Publié le 06/01/2026CDI / SII United Kingdom SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.
With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture.
Our core values of Trust, Transparency, and Quality drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner.
Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise.
Let’s Tech Together is our promise to encourage innovation and teamwork.
We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.
OVERVIEW: We are seeking a skilled Software Engineer to develop and maintain test solutions, with a focus on C/C++, C#, and scripting languages.
The role involves working with test automation frameworks and tools such as Lab Windows CVI or Test Stand, applying Dev Ops and continuous integration practices, and supporting high-quality software development through craftsmanship principles like unit testing, TDD, and agile collaboration.
RESPONSIBILITIES: Experience with communications protocols (e. g.
TFTP, Ethernet, RS232/422/485, Modbus, CAN, MIL-STD-1553) and embedded/electronics knowledge is desirable.
The position also requires hands-on debugging and measurement using oscilloscopes, spectrum analysers, and related equipment.
Strong teamwork, problem-solving, and communication skills are essential.
ESSENTIAL SKILLS: Proficiency in C/C++ and C# programming Familiarity with scripting and automation Understanding of test automation tools and Dev Ops practices Knowledge of electronic measurement/debugging techniques BENEFITS: Competitive Basic Salary6% Employers Contribution + 6% as a salary sacrifice Private Medical Insurance, Life Cover and Income Protection25 days holiday10 days full sick pay per year Flexible working Cycle to Work & Tech Scheme Continuous professional development Corporate access to the Udemy platform* If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.
Software Engineer in Stevenage employer: SII Group
SII Group is an exceptional employer for a Test and Means Engineer, offering a dynamic work environment that prioritises innovation and collaboration. With a strong commitment to employee growth, competitive benefits including private medical insurance and flexible working arrangements, and a culture built on trust and transparency, SII Group empowers its engineers to thrive in high-reliability sectors like Aerospace and Defence. Join us in a role where your contributions are valued, and be part of a team dedicated to continuous improvement and excellence.
StudySmarter Expert Advice🤫
We think this is how you could land Software Engineer in Stevenage
✨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 SII Group 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 SII Group.
✨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 SII Group.
✨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 SII Group 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 in Stevenage
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 SII Group.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at SII Group 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 SII Group
✨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 SII Group 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.
