At a Glance
- Tasks: Design and develop high-quality C#/.NET applications and APIs for enterprise platforms.
- Company: Join Synechron, a forward-thinking tech company with a focus on innovation.
- Benefits: Enjoy a competitive salary, hybrid working, and opportunities for professional growth.
- Other info: Diverse and inclusive workplace with excellent career development opportunities.
- Why this job: Make a real impact in a dynamic environment while mentoring others.
- Qualifications: Strong C#/.NET experience and a passion for clean, maintainable code.
The predicted salary is between 60000 - 80000 £ per year.
Synechron is looking for a hands-on Senior .NET Developer to join our technology team, delivering high-quality C#/.NET solutions across a range of business-critical enterprise platforms. The role also involves leadership and mentorship to a wider team. This is an exciting opportunity to contribute to a growing technology estate, supporting new product onboarding, methodology changes, platform enhancements and greenfield development. You’ll work on enterprise-grade applications, APIs, batch services and integrations, helping to deliver robust, secure and production-ready technology in a controlled environment.
ROLE
- Design, build and maintain C# / .NET applications, REST APIs, services, batch jobs and reusable platform components
- Develop and implement shared libraries, templates, orchestration, configuration and operational dashboard components
- Integrate with MongoDB, SQL Server, data warehouse platforms, enterprise data sources and messaging technologies
- Support platform modernisation through container-ready application design, deployment readiness, service improvement and technical debt reduction
- Use AI-assisted development tools responsibly to improve coding productivity, automate test generation, support refactoring, enhance documentation and improve pull request quality
- Take part in code reviews, technical design discussions, sprint planning, estimation, defect resolution and release readiness
- Write robust unit, integration and regression tests, and support UAT, production verification, cutover activities and early-life support
- Collaborate closely with senior engineers, delivery managers, support teams and business stakeholders to deliver controlled, supportable change
EXPERIENCE
- Strong hands-on experience in C# / .NET development within enterprise or production-facing environments
- Good knowledge of .NET Framework, .NET Core / modern .NET, object-oriented programming, SOLID principles and common design patterns
- Strong SQL skills, including query optimisation, stored procedures, data modelling awareness and database integration
- Experience with MongoDB or similar document databases, including querying, indexing and performance optimisation
- Proven experience building REST APIs, service integrations and event/message-driven systems
- Experience with Git, CI/CD tooling, package management tools, workflow tracking tools and controlled release processes
- Working knowledge of AI-assisted software development practices, including prompt-driven coding support, test generation, refactoring assistance and documentation automation
- Strong focus on clean code, testing, security, maintainability and production supportability
- Exposure to container platforms and orchestration technologies
- Experience in financial services, regulated environments or other complex enterprise settings
- Experience with messaging platforms
Multi year long term rolling contract - Hybrid working x3 days a week - Strong market rates
Diversity Statement
Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate. All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.
Senior .NET Lead Developer employer: Synechron
Synechron is an exceptional employer that prioritises employee growth and development within a dynamic financial services environment. With a strong commitment to diversity, equity, and inclusion, the company fosters a collaborative culture where innovative ideas thrive, and employees are empowered to take on meaningful challenges. Located in the heart of London, Synechron offers flexible workplace arrangements and opportunities for mentoring and internal mobility, making it an ideal place for professionals looking to advance their careers while contributing to impactful projects.
StudySmarter Expert Advice🤫
We think this is how you could land Senior .NET Lead Developer
✨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 Synechron 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 Synechron.
✨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 Synechron.
✨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 Synechron 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 Lead Developer
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 Synechron.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Synechron 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 Synechron
✨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 Synechron 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.
