At a Glance
- Tasks: Lead the design and optimisation of advanced prompting strategies for AI models.
- Company: Mastek, a forward-thinking tech company with a flexible work culture.
- Benefits: Flexible/hybrid working, competitive salary, and opportunities for professional growth.
- Other info: Collaborative environment with exciting projects and career advancement opportunities.
- Why this job: Join us to shape the future of AI and make a real impact in tech.
- Qualifications: 5+ years in software engineering, 2+ years in prompt engineering, strong LLM expertise.
The predicted salary is between 80000 - 98000 £ per year.
We are looking for a Senior Prompt Engineer to lead the design, optimisation, and scaling of advanced prompting strategies for large language models (LLMs). This role focuses on delivering context-aware, safe, and efficient AI outputs across complex enterprise use cases.
You will work closely with engineering teams to integrate prompts into application workflows, autonomous agents, and RAG pipelines, while continuously improving performance, reducing latency, and ensuring output consistency.
Key Responsibilities- Design and implement advanced, dynamic prompts tailored to business-specific use cases
- Optimise LLM performance by reducing token consumption, latency, and hallucinations
- Integrate prompts into agent-based systems, APIs, and RAG architectures
- Develop prompt frameworks and reusable templates for scalable deployment
- Establish evaluation, benchmarking, and regression testing mechanisms
- Implement guardrails to mitigate prompt injection and unsafe outputs
- Collaborate with product and engineering teams to translate business requirements into technical prompt logic
- Maintain a version-controlled prompt repository with continuous improvements
- 5+ years in software engineering with 2+ years in production-level prompt engineering
- Strong expertise in LLMs: GPT-4, Claude, Llama, Mistral, Nova (or similar)
- Advanced programming skills in Python and/or Java
- Experience with AI orchestration frameworks such as LangChain, LlamaIndex
- Hands-on experience with prompt evaluation and monitoring tools, such as LangSmith, Fiddler, InspectAI, OpenAI Evals
- Bachelor’s or Master’s degree in Computer Science, AI, Statistics, Cognitive Science, or related quantitative fields
Senior Prompt Engineer in Reading employer: Mastek
Mastek is an exceptional employer that fosters a flexible and hybrid work environment, allowing you to balance your professional and personal life while working on cutting-edge AI technologies. With a strong emphasis on employee growth, Mastek offers continuous learning opportunities and encourages collaboration across teams, ensuring that you can thrive in your role as a Senior Prompt Engineer. Join us to be part of a dynamic culture that values innovation and creativity, all while contributing to impactful projects in the heart of the UK.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Prompt Engineer in Reading
✨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 Mastek 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 Mastek.
✨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 Mastek.
✨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 Mastek 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 Prompt Engineer in Reading
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 Mastek.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Mastek 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 Mastek
✨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 Mastek 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.
