Senior Lead Software Engineer – C#
LSEG.com
Office
Bangkok
Full Time
Senior Lead Software Engineer – C#
Role Summary:
We are seeking a Senior Lead Software Engineer with strong experience in C#, .Net , MS SQL Database to join our team. This role is ideal for someone who enjoys solving sophisticated technical challenges, and is passionate about building scalable, secure, and high-performance systems that run on Azure.
You will be responsible for maintaining and evolving our backend infrastructure, which includes APIs, web services, and desktop applications. If you're intellectually curious, collaborative, and eager to make a real impact, this is a phenomenal opportunity to grow your career in a dynamic and forward-thinking environment.
What You'Ll Be Doing:
- Develop a deep understanding of business use cases and the technologies used, applying this knowledge to deliver effective and scalable solutions.
- Lead the design, development, and delivery of high-quality software solutions using C#, .NET, and MS SQL, ensuring alignment with architectural standards and business requirements.
- Provide technical leadership and mentorship to junior engineers, encouraging a culture of excellence and continuous improvement.
- Collaborate with multi-functional teams during refinement and planning sessions to analyze requirements, evaluate design options, estimate complexity, and define delivery strategies.
- Champion software quality through automated testing, secure coding, and performance optimization, with a strong focus on maintainability and scalability.
- Provides technical support and guidance to service engineers and internal customers
- Build strong, collaborative relationships across teams, ensuring clear communication and shared understanding of goals and tasks.
What Will You Bring:
- Bachelor’s or Degree in Computer Science, Computer Engineering, or related field.
- Minimum of 5 years of experience in software development and architecture design.
- Experience in software architecture and design, including microservices and distributed systems.
- Strong skills and experience developing applications in C#, .Net Framework or other relevant languages.
- Strong knowledge of MS SQL, data modeling, and performance optimization.
- Solid understanding of design patterns, unit testing, and secure coding practices.
- Experience in working Agile / Scrum environment.
- Strong communication skills, both verbal and written
- Excellent problem-solving skills, attention to detail, and ability to work optimally in a fast-paced, dynamic environment.
Desired Experience:
- Hands-on experience with cloud-native application development, preferably on Azure.
- Experience with microservices architecture and distributed systems.
- Experience with Test Driven Development and (TDD) or Behavior Driven Development (BDD)
- AWS Certifications or Azure Certification are a plus.
- Experience working with financial applications or a proven understanding of financial domain concepts
Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.
LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.
Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.
Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.
We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.
You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.
LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.
Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.
If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.
Senior Lead Software Engineer – C#
Office
Bangkok
Full Time
September 22, 2025