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Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally-enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our 20,000+ people in 53 offices around the world combine experience across technology, data sciences, consulting and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value.


Publicis Sapient is looking for a Senior .Net Backend Developer (Contract - 6 months) to join our team of bright thinkers and doers. As a Senior Developer, you will play a key role in delivering enterprise-level software to our client in the Financial Services industry. You should be comfortable working alongside a team as well as independently in the design and development of mission-critical mobile applications, websites, and layers of the infrastructure. Experience with .Net framework, C#, API, and Cloud (Azure) is helpful to succeeding quickly in this role.

This role is an excellent opportunity for someone who would like to join an international global organization with a 'start-up' mentality. We highly value Openness, Collaboration, Learning Mindset, and partnering with our clients to drive Positive Outcomes.

Your Impact

  • Participate in the development stage and play a hands-on developer role to deliver from design to deployment
  • Participate and contribute to project estimations, system architecture, and performance engineering of projects
  • Sets up the development and production environments and troubleshoots performance issues
  • Work with the QA team to ensure that the software is fully unit tested, can be performance-tested, and passes quality requirements
  • Develop and design solutions with keeping NFRs like performance, scalability, accessibility, maintainability, configurability, availability, and monitoring as part of the design
  • Drives the performance tuning, re-design, and re-factoring for a module
  • Customer-facing communication pertinent to Sapient’s technical expertise on the specific platform
  • Follow and govern the engineering best practices set-up in team
  • Own and provide a point of view to measure and improve the quality metrics
  • Mentor and develop the technical skills of other software developers


  • 4+ year of hands-on development experience in building components using .Net framework and solution using .NET core 
  • Design, implement and support highly scalable applications and web API using Microsoft technologies (.Net, .Net Core, C#, SQL Server, Web API/Rest API)
  • Experience in Microservices architecture with a good understanding of key Microservices based patterns
  • Hands-on working knowledge of Cloud (Azure preferred)
  • Strong understanding of OOPS fundamentals
  • Experience in writing Unit test cases using MSTest and mocking framework
  • Experience of working in an Agile team with CI/CD and DevOps Pipeline
  • Strong collaborator and comfortable working in an agile, remote, and distributed team environment

Set Yourself Apart

  • Advanced experience designing RESTful APIs, specifically for mobile apps
  • Growth mindset, challenging status quo to find new solutions and out-of-the-box ideas
  • Financial Services and Open Banking knowledge
  • Node.JS experience is a plus
  • Proficiency in English and Thai languages with an understanding of Thai work culture & business ethics


Benefits of Working Here

  • At the forefront of digital transformation
  • "Plugged" into a truly global organization with a start-up mindset
  • Career growth and training opportunities
  • A collaborative, agile and diverse regional team
  • Comprehensive insurance