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- Tasks: Lead the design and development of impactful software solutions with a focus on collaboration.
- Company: Join TPXimpact, a purpose-driven organisation transforming technology for a better future.
- Benefits: Enjoy 30 days holiday, volunteer days, health plans, and personal development budgets.
- Why this job: Shape the future of technology while mentoring and leading talented engineers.
- Qualifications: Extensive software engineering experience and strong leadership skills required.
- Other info: Be part of a diverse team committed to sustainable change and positive impact.
The predicted salary is between 28800 - 48000 £ per year.
Deadline for applications: 11:59pm on 31st October 2025
We are looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make a difference to users and organisations. We believe great engineering happens when teams collaborate, learn, and build with purpose.
You will provide hands-on technical leadership, working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture.
Responsibilities- Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability.
- Set the technical direction for projects and influence the wider technology strategy.
- Provide line management for a group of engineers (typically up to six), supporting their career progression and ensuring they are set up for success.
- Provide technical leadership and coaching, fostering a culture of excellence, collaboration and continuous learning.
- Collaborate with senior stakeholders to translate complex business problems into elegant, robust solutions.
- Champion modern engineering practices including CI/CD, test automation and infrastructure as code.
- Foster a DevOps culture that enables teams to build, deploy and run their services confidently through automation and continuous delivery.
- Drive the evaluation and adoption of emerging technologies to improve how we deliver software.
- Lead technical due diligence during project scoping, bids and new opportunities.
- Represent the engineering function in strategic discussions, influencing our technology roadmap.
- Anticipate and manage project risks, helping teams navigate complex technical challenges.
- Extensive experience in software engineering, with a focus on large-scale, complex systems.
- Polyglot engineer comfortable working across multiple languages and frameworks (we have used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few).
- Passion for learning new technologies and helping others do the same.
- Proven track record of leading software architecture design and strategic technology initiatives.
- Strong expertise in cloud platforms, microservices and modern software development practices.
- Experience with direct line management and mentoring junior to senior engineers.
- Excellent communication skills. Ability to communicate complex technical concepts clearly to both technical and non-technical stakeholders.
- Experience working in a consultancy environment, managing client relationships at a senior level.
- Experience delivering government or public sector projects.
- Eligible for (or holding) SC security clearance.
- Knowledge of AI, machine learning, or other emerging technologies relevant to software engineering.
- Experience promoting knowledge sharing. This might be through mentoring, blogs, talks, or internal communities.
- Purpose: Be values-driven, recognising that our client's needs are paramount. Approach client engagements with professionalism and creativity, balancing commercial and operational needs.
- Accountability: Be accountable for delivering your part of a project on time and under budget and working well with other leaders. Lead by example, promoting a culture where quality and client experience are foremost.
- Craft: Balance multiple priorities while leading high-performing teams. Navigate ambiguity and set the technical direction and approach to support positive outcomes.
- Togetherness: Collaborate effectively with others across TPXimpact. Build strong relationships with colleagues and clients.
People-Powered Transformation. We are a purpose driven organisation, supporting organisations to build a better future for people, places and the planet. Combining vast experience in the public, private and third sectors and expertise in human-centred design, data, experience and technology, we are creating sustainable solutions ready for an ever-evolving world.
At the heart of TPXimpact, we are collaborative and empathetic. We are a team of passionate people who care deeply about the work we do and the impact we have in the world. We know that change happens through people, with people and for people. That’s why we believe in people-powered transformation.
Working in close collaboration with our clients, we seek to understand their unique challenges, questioning assumptions and building in their teams the capabilities and confidence to continue learning, iterating and adapting.
Benefits Include:- 30 days holiday + bank holidays
- 2 volunteer days for causes that you are passionate about
- Maternity/paternity - 6 months Maternity Leave, 3 months Paternity Leave
- Life assurance
- Employer pension contribution of 5%
- Health cash plan
- Personal learning and development budget
- Employee Assistance Programme
- Access to equity in the business through a Share Incentive Plan
- Green incentive programmes including Electric Vehicle Leasing and the Cycle to Work Scheme
- Financial advice
- Health assessments
We drive fundamental change in approaches to product and service development, delivery and technology. Our agile, multidisciplinary teams use technology, design and data to deliver better results, improving outcomes for individuals, organisations and communities.
By working in the open, in partnership with our clients, we not only transform their systems and services but also build the capability of their teams, so work can continue without us in the longer term. Our focus is sustainable change, always delivered with positive impact.
We are an inclusive employer, and we care about diversity in our teams. Let us know in your application if you have accessibility requirements during the interview.
Principal Software Engineer in Slough employer: TPXImpact Holdings Plc
Contact Detail:
TPXImpact Holdings Plc Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principal Software Engineer in Slough
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Prepare for those interviews! Research the company, understand their tech stack, and be ready to discuss how your experience aligns with their projects. Practise common technical questions and be ready to showcase your problem-solving skills.
✨Tip Number 3
Show off your passion for learning! During interviews, share examples of how you've embraced new technologies or mentored others. This will highlight your commitment to growth and collaboration, which is key for a Principal Software Engineer.
✨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 our team and contributing to our mission.
We think you need these skills to ace Principal Software Engineer in Slough
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter for the Principal Software Engineer role. Highlight your experience with large-scale systems and any relevant technologies we've mentioned, like Python or Java. This shows us you’re genuinely interested and have the right skills!
Showcase Your Leadership Skills: Since this role involves mentoring and managing engineers, don’t forget to include examples of your leadership experience. Share how you've supported team members in their career progression or led projects to success. We love to see how you can inspire others!
Communicate Clearly: Your application should reflect your excellent communication skills. Use clear and concise language to explain complex technical concepts. Remember, we want to see how well you can convey ideas to both technical and non-technical stakeholders.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it gives you a chance to explore more about our culture and values!
How to prepare for a job interview at TPXImpact Holdings Plc
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, like Python, Java, and cloud platforms. Brush up on your knowledge of microservices and modern software practices, as you'll need to demonstrate your expertise in these areas during the interview.
✨Showcase Your Leadership Skills
Prepare examples that highlight your experience in leading teams and mentoring engineers. Be ready to discuss how you've fostered a culture of collaboration and continuous learning in your previous roles, as this aligns with the company's values.
✨Communicate Clearly
Practice explaining complex technical concepts in simple terms. You’ll likely be asked to communicate with both technical and non-technical stakeholders, so being able to bridge that gap will set you apart from other candidates.
✨Prepare for Scenario Questions
Think about potential project risks and challenges you’ve faced in the past. Be ready to discuss how you navigated these situations and what strategies you employed to ensure successful outcomes, as this will demonstrate your problem-solving skills and accountability.
