C# Developer with Python Exp

CompanySynechron

LocationBelfast, Northern Ireland, United Kingdom

Posted At1/27/2026

UK Visa Sponsorship Analytics

Occupation Type

Programmers and software development professionals

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£54,700 (£28.05 per hour)

Occupation rate applies

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Description

We are

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 16,500+, and has 60 offices in 20 countries within key global markets.

Our Challenge:

We are seeking a highly skilled strong expertise in C#, along with Java or Python, and a good understanding of financial systems. The ideal candidate will be adaptable linguistically, comfortable working primarily within the C# but open to leveraging Java, Python, or other technologies as needed. You should have hands-on experience with version control systems, CI/CD pipelines, testing frameworks, and possess a flexible mindset to adapt to evolving project requirements.

Key Responsibilities:

Design, develop, and maintain web applications primarily using C#, ensuring alignment with financial industry standards and requirements.
Develop, optimize, and maintain SQL Server databases, queries, and stored procedures, with an awareness of financial data integrity and security considerations.
Collaborate with team members across different programming languages (Java/Python) as needed, demonstrating adaptability and quick learning in diverse technical environments.
Manage source code using Git, employing branching and merging strategies for collaborative development.
Implement and maintain CI/CD pipelines using tools such as TeamCity, Azure DevOps, or Jenkins.
Deploy applications efficiently across various environments, ensuring high stability and security—especially pertinent for financial applications.
Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, or equivalents.
Conduct performance testing and profiling to ensure application robustness and scalability suited for high-volume financial data processing.

Troubleshoot, diagnose, and resolve code issues and performance bottlenecks.

Stay updated on industry best practices, including those relevant to financial software development, data security, and compliance.

Qualifications & Skills:

Proven experience in C#
Demonstrable experience or familiarity with financial systems, trading platforms, or financial data processing.
Strong SQL experience, including database design, optimization, and data security best practices.
Exposure to programming in Java or Python, or other relevant languages, with the ability to adapt and contribute across different tech stacks.
Proficiency with Git version control.
Hands-on experience with CI/CD pipelines, preferably using TeamCity, Azure DevOps, Jenkins, or similar tools.
Experience with unit testing frameworks such as NUnit, xUnit, or equivalent.
Knowledge of performance testing, profiling tools, and system scaling techniques.
Good understanding of deployment procedures, security protocols, and environment management.

Strong problem-solving skills, attention to detail, and excellent communication abilities.

Fluency in multiple programming languages (C#, Java/Python) is highly desirable, along with the flexibility to work across different tech stacks.

Ability to thrive in a fast-paced, Agile environment, demonstrating adaptability and continuous learning.

SYNECHRON’S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is 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.