At a Glance
- Tasks: Design and maintain robust backend services, contributing to high-quality software delivery.
- Company: Avenue3, a forward-thinking digital consultancy based in Yorkshire.
- Benefits: Competitive salary, pension, and clear growth opportunities in a supportive culture.
- Other info: Mentorship opportunities and a focus on continuous improvement.
- Why this job: Join a collaborative team and make a real impact in modernising complex systems.
- Qualifications: Strong C#/.NET skills and experience in agile environments.
The predicted salary is between 63000 - 77000 £ per year.
Who are we?
Avenue3 is a Yorkshire-based digital consultancy specialising in open data, modern engineering and the transformation of complex systems across health, government and regulated sectors.
We bring deep expertise across strategy, discovery, architecture and engineering, helping organisations modernise systems and adopt open data standards for long‑term interoperability.
Who are we?
Avenue3 is a Yorkshire-based digital consultancy specialising in open data, modern engineering and the transformation of complex systems across health, government and regulated sectors.
We bring deep expertise across strategy, discovery, architecture and engineering, helping organisations modernise systems and adopt open data standards for long‑term interoperability.
The opportunity
At Avenue3, we’re looking for a Senior Engineer who combines strong hands‑on technical skills with a thoughtful, customer‑focused mindset.
This role is about delivering high‑quality software in complex, often disconnected or high‑latency environments, writing great Kotlin code, contributing to sound technical decisions and helping our clients move forward with confidence.
You’ll thrive in agile, multidisciplinary teams where requirements aren’t always fully defined, using your experience to ask the right questions, shape pragmatic solutions and translate ideas into robust, maintainable software.
You’ll work closely with architects, product owners and client stakeholders, taking ownership of features and components from design through to production.
Alongside delivery, you’ll help raise the bar across the team, through code review, mentoring less experienced engineers, and contributing to the standards and patterns we use across Avenue3.
- Core Responsibilities
- Engineering & Delivery
- Design, build and maintain robust backend services using C#/. NET, owning features end‑to‑end from design through to production.
- Contribute to high‑quality front‑end development using React and Type Script where required.
- Deploy and operate cloud‑native solutions in Azure, applying strong Dev Ops practices, CI/CD pipelines and containerisation.
- Deliver clean, well‑tested, maintainable code, with appropriate automated testing across the SDLC.
- Investigate and resolve issues across the stack, including in production, with a calm, methodical approach.
- Technical Decision‑Making
- Contribute to technical design discussions and implementation plans, bringing pragmatic, well‑reasoned options to the table.
- Make sound day‑to‑day decisions on libraries, patterns and approaches within the boundaries set by the wider architecture.
- Help uphold engineering standards, ensuring services are scalable, secure, observable and interoperable.
- Identify technical risks and debt early, and work with the team to address them in a structured way.
- Collaboration & Client Engagement
- Work closely with product owners, designers, architects and client teams to refine requirements and shape solutions that meet user and business needs.
- Communicate technical concepts clearly to both technical and non‑technical audiences.
- Participate confidently in design sessions, refinements, show & tells and other delivery ceremonies.
- Represent Avenue3 well with clients. Professional, constructive and focused on outcomes.
- Commercial Awareness & Value Creation
- Build an understanding of client organisations, their goals and the context in which they operate.
- Spot opportunities to add value beyond immediate tickets - improvements to architecture, delivery flow, tooling or operational efficiency - and raise them with delivery and technical leads.
- Balance technical decisions with practical considerations of cost, complexity and effort, so solutions are robust without being over‑engineered.
- Support proposals, estimates and discovery activities where engineering input is needed.
- Growth, Mentoring & Team Development
- Mentor and support less experienced engineers through pairing, code review and day‑to‑day collaboration.
- Contribute to a culture of quality, curiosity and continuous improvement within the team.
- Take an active role in retrospectives, technical discussions and team learning.
- Contribute to internal knowledge‑sharing, engineering playbooks and communities of practice.
Benefits And Culture
This role offers a competitive salary alongside a company pension and clear opportunities for ongoing growth.
We foster an inclusive, supportive culture where engineering excellence, personal development and innovation are valued - and where people are trusted to deliver meaningful impact in a collaborative, open environment.
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Senior .NET Engineer in Leeds employer: Avenue3
Avenue3 is an exceptional employer, offering a vibrant work culture that prioritises engineering excellence and personal development. Located in Yorkshire, we provide competitive salaries, a company pension, and clear pathways for growth, all within a collaborative environment that values innovation and inclusivity. As a Senior Kotlin Engineer, you'll not only contribute to impactful projects but also have the opportunity to mentor others and shape the future of our engineering practices.
StudySmarter Expert Advice🤫
We think this is how you could land Senior .NET Engineer in Leeds
✨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 Avenue3 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 Avenue3.
✨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 Avenue3.
✨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 Avenue3 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 .NET Engineer in Leeds
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 Avenue3.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Avenue3 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 Avenue3
✨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 Avenue3 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.
