Senior Software Developer

Mattioli Woods plc; Leicester; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Competitive salary

34.5-hour week

Hybrid work

25 days holiday

Pension plan

Life assurance

Health plan

Training support

Collaborative team

Job summary

Mattioli Woods plc in Leicester is seeking a Senior Software Developer to join a hybrid, permanent team building cloud-based financial solutions. You will refine backlogs with business analysts, design and document software, implement and test code, and mentor junior developers.

Proficiency in C#/.NET, REST APIs, UI with JavaScript/jQuery, and Azure is essential. A strong emphasis on automation, SOLID principles, Agile methods, and collaboration will help you succeed.

Qualifications

• Proficient in C#/.NET and REST API design, with strong OO principles.
• Experience across the full software development lifecycle in a commercial context.
• Skilled with JavaScript/jQuery for UI and responsive design.
• Knowledge of cloud technologies, preferably Azure, and automated testing.
• Ability to mentor peers and lead technical activities within the team.

Responsibilities

• Refine and deliver the product backlog with business analysts and product owners.
• Design, document, and implement software that meets functional and non-functional requirements.
• Maintain code, follow best practices, and implement test automation.
• Support end users, troubleshoot production defects, and resolve issues promptly.
• Participate in daily stand-ups and retrospectives to improve team delivery.
• Mentor junior team members and take a lead role on selected activities.

Skills

C#/.NET

REST APIs

JavaScript/jQuery

Azure

SOLID principles

Agile methodologies

Mentoring

Tools

IDEs

Version control

CI/CD tooling

Test automation

Job description

Senior Software Developer

Leicester · Hybrid · Permanent

We're looking for a Senior Software Developer to join a talented team building cloud-based solutions in a financial services environment. You'll have room to grow, take on real responsibility, and help raise the standard for those around you.

What you'll do

• Working with our business analysts and product owners to refine and deliver our product backlog
• Designing and documenting software solutions that meet our desired functional and non-functional requirements
• Implementing and maintaining our code, following best practices
• Implementing test automation wherever practical
• Supporting our internal end users on any production defects, reviewing and debugging issues and resolving in a timely manner
• Participating in daily stand-ups and retrospectives, aiming to continuously improve team delivery
• Mentoring junior members of the team and taking a lead role for certain activities

What we're looking for

• Proficiency in software development using C# .NET/.NET Framework
• Experience with the software development lifecycle in a commercial environment; includes requirements analysis, estimation, technical software design, implementation, unit/integration/system testing, deployment and maintenance
• Experience with software development tools: IDEs, version control, test automation, continuous integration, task and backlog management systems
• Experience with best practices: design patterns, SOLID principles, Agile and Extreme Programming methodologies
• Ability to plan your own day-to-day development activities as well as mentor team members
• Experience with unit/integration/ui test automation frameworks (NUnit, xUnit, Playwright)
• Experience with UI design using Javascript/jQuery and Bootstrap/Tailwind
• Experience with TSQL and C# ORMs (Entity Framework, Dapper)
• Experience designing and implementing Web APIs following RESTful design standards
• Experience with cloud technologies (preferably Azure)

Nice to have

• Experience using AI assistance tools to provide additional feedback/improvements during all stages of the development lifecycle. (GitHub Copilot/Claude/Perplexity)
• GitHub Actions/Azure Pipelines or similar CI/CD tooling
• Knowledge of the finance, wealth management or pensions industry

About Mattioli Woods

Mattioli Woods helps businesses and individuals achieve financial security through tailored, relationship-led advice. We combine deep technical expertise with a supportive culture where people and clients thrive.

What's in it for you

• competitive salary (depending on experience)
• 34.5-hour working week
• hybrid working - a blend of home and office
• 25 days' holiday plus statutory (increasing with service)
• 5% employer/5% employee pension
• 4x salary life assurance and group income protection
• health cash plan (core level one)
• training, development and certification support
• a supportive, collaborative team environment