Senior C#/.NET Engineer

About Company:

Synechron is a global technology consulting firm that helps leading organizations accelerate digital transformation through innovation, expertise, and agility. With more than 16,500 professionals across around 60 offices in over 20 countries, we combine deep industry knowledge with advanced capabilities in AI, cloud, cybersecurity, and data engineering. Our regional teams, supported by strategic delivery centers, provide scalable, cost-efficient solutions tailored to local markets. Through our award-winning Synechron FinLabs accelerators and strategic partnerships with AWS, Microsoft, Databricks, Salesforce, and ServiceNow, we enable clients to innovate fast and lead with confidence. For more information on the company, please visit our website or LinkedIn community.

Diversity, Equity, and Inclusion

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and an affirmative-action 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 strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.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.

Job Description:

We are looking for a high-calibre Senior C#/.NET Engineer / Development Lead to join a fast-paced enterprise technology environment supporting Risk, Product Control and ESG IT.

This role is ideal for a strong hands-on .NET professional who can deliver high-quality software while contributing to technical design, platform enhancement and team collaboration. Depending on experience, the role can suit either a senior individual contributor or a technical lead with broader delivery oversight.

You will work across new product onboarding, methodology change, platform enhancement, production support improvement and selected greenfield initiatives, helping to modernise services and drive reliable, scalable solutions.

What You’ll Do:

• Build and enhance C# / .NET applications, REST APIs, batch services and reusable platform components
• Contribute to technical analysis, solution design, development and code reviews
• Deliver change across the Asterisk ecosystem, including shared libraries, templates, orchestration, configuration and operational dashboards
• Design and optimise integrations across MongoDB, SQL Server / data warehouse, enterprise data sources, REST APIs and messaging platforms such as ActiveMQ
• Support migration from Windows-hosted services to OpenShift, including containerisation, service modernisation and technical debt reduction
• Write clean, maintainable and testable code aligned to SOLID principles and engineering best practices
• Contribute to unit, integration and regression testing, release readiness, UAT support, cutover and early-life support
• Collaborate with developers, leads, delivery managers, support teams and business stakeholders to deliver controlled, production-ready solutions
• Use AI-assisted development tools responsibly to improve coding productivity, test generation, refactoring, documentation and code review quality

What We’re Looking For:

• Strong hands-on experience in C# / .NET development within enterprise or production-facing systems
• Good knowledge of .NET Framework, .NET Core / modern .NET, OOP, design patterns and SOLID principles
• Strong experience with SQL Server, query optimisation, data integration and database-driven applications
• Experience with MongoDB or similar document databases
• Experience building REST APIs, integrations and message-driven services
• Familiarity with ActiveMQ or equivalent messaging platforms
• Practical experience with Git / Bitbucket, Bamboo or similar CI/CD tools, JIRA and NuGet
• Exposure to OpenShift, Kubernetes or Docker is highly desirable
• Experience in financial services, Risk IT, Product Control IT, ESG IT or regulated environments is a plus
• Comfortable working in a controlled SDLC environment with strong focus on resilience, auditability and supportability

Why Apply?

This is an opportunity to work on business-critical platforms in a role that blends modern engineering, enterprise scale and meaningful technical ownership. You’ll be part of a team driving real change across strategic systems while working with a strong technology stack and modern delivery practices.