At a Glance
- Tasks: Lead the design and development of innovative banking applications using Java and AI technologies.
- Company: Join Miratech, a global leader in IT services with a culture of relentless performance.
- Benefits: Enjoy competitive pay, health benefits, remote work flexibility, and professional growth opportunities.
- Other info: Be part of a diverse team driving global change with sustainable practices.
- Why this job: Make a real impact by integrating cutting-edge AI into financial services and shaping the future.
- Qualifications: 7+ years in enterprise applications, strong Java and AI expertise required.
The predicted salary is between 63000 - 77000 £ per year.
Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business.
We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services client. This role bridges high-scale microservices architecture with GenAI. You will help the bank build scalable, resilient, API-driven ecosystems that embed LLMs, agentic workflows, and intelligent automation into business processes.
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office.
Responsibilities:
- Lead the design and delivery of Java/Spring Boot microservices, establishing API-first design principles, service-to-service communication and secure integration patterns.
- Implement solutions designed by architects, turning target designs into production-ready, well-tested services.
- Identify, prototype and build automation using AI technologies, and architect backend systems that support LLM integration, Retrieval-Augmented Generation (RAG) and vector databases.
- Build agentic workflows and design, test and refine prompts for LLM-powered features.
- Design event-driven workflows using streaming platforms such as Kafka.
- Ensure solutions fit containerized, cloud-native deployments on Docker, Kubernetes/OpenShift or Azure, delivered through CI/CD pipelines.
- Drive formal design reviews, contribute to technology stack selection, and define caching and observability strategies.
- Manage application security, including OAuth2/JWT authentication and authorization.
- Promote AI-assisted engineering across the developer group, including prompt engineering and the practical adoption of GitHub Copilot to speed up software delivery.
Qualifications:
- 7+ years of experience designing and implementing large-scale enterprise applications.
- Deep expertise in Java, Spring Boot, RESTful APIs and gRPC services.
- Strong proficiency in Python, prompt patterns, LLM orchestration frameworks such as LangChain or LlamaIndex, and working with vector databases.
- Hands-on experience with Kafka, RDBMS/SQL, NoSQL and high-performance caching architectures.
- Experience with CI/CD pipelines (Jenkins, GitHub Actions), Docker/Podman, OpenShift/Kubernetes and cloud platforms.
- Solid understanding of application security, including OAuth2 and JWT.
- Bachelor's degree in Computer Science, Software Engineering, Information Technology or a related field, or equivalent practical experience.
Nice to have:
- Experience in banking, financial services or another regulated industry.
- Experience with production GenAI solutions, multiple LLM providers, LLM evaluation and agentic workflows.
- Familiarity with AI governance, model risk management, privacy controls and responsible AI practices.
- Experience with Redis, messaging and streaming services, and Infrastructure as Code.
- Experience with security testing, DevSecOps, Agile/Scrum and GitHub Copilot.
- Experience mentoring developers and contributing to architecture standards, technical governance and engineering strategy.
Additional Information:
- Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
- Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.
- Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
- Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
- Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
- Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.
Senior Java Developer (with LLM expertise) in Whitehall employer: Miratech Group
Miratech is an excellent employer for those looking to make a significant impact in the tech industry, particularly in the vibrant field of cloud-based customer engagement. With a strong emphasis on employee growth and a collaborative work culture, team members are encouraged to innovate and contribute to meaningful projects while enjoying competitive benefits and opportunities for professional development. Located in a dynamic environment, Miratech offers unique advantages such as access to cutting-edge technology and a diverse global network, making it an attractive place for aspiring product managers.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Java Developer (with LLM expertise) in Whitehall
✨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 Miratech 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 Miratech 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 Miratech 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 Miratech 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 Senior Java Developer (with LLM expertise) in Whitehall
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 Miratech 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 Miratech 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 Miratech 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 Miratech 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.
