Senior Full Stack Developer / Technical Lead (.NET)

GMP TECHNOLOGIES (S) PTE LTD; Singapore; On-site; SGD 100,000 - 150,000; Full time

Job summary

GMP Technologies (S) Pte Ltd is seeking an experienced full-stack developer with over 14 years of expertise in a range of technologies including .NET, JavaScript, and cloud platforms. The role involves innovative solution development, managing project teams, and ensuring high-quality code delivery within an Agile framework. Ideal candidates will have strong communication skills and experience in eBanking or Payments systems.

Qualifications

• 14+ years in full-stack development.
• Strong skills in C#, JavaScript, MS SQL Server, and DevOps.
• Experience in eBanking or Payments systems preferred.

Responsibilities

• Design and refine technical architecture based on project context.
• Collaborate with teams to translate requirements into deliverables.
• Deliver high-quality code while managing CI/CD pipelines.

Skills

.NET stack

C#

ASP.NET Core

JavaScript

ReactJS

MS SQL Server

REST

Agile/Scrum

DevOps

Cloud Platforms

Tools

Docker

GitLab

Azure DevOps

Job description

Responsibilities:

• Design and refine technical architecture based on project context and business requirements.
• Propose and implement innovative technical solutions while managing project constraints.
• Collaborate with project managers, analysts, developers, and business teams to translate requirements into technical deliverables.
• Deliver clean, fully tested, high-quality code.
• Manage CI/CD pipelines and maintain end-to-end monitoring tools.
• Provide technical documentation and accurate effort estimation.
• Guide and mentor developers on coding standards, design principles, and best practices.
• Support applications in production, including incident analysis and resolution.
• Coordinate test strategy and support User Acceptance Testing (UAT).
• Participate in Agile and DevOps practices across project lifecycles.

Requirements:

• 14+ years of full-stack development experience using:
• (a) .NET stack: C#, ASP.NET Core, ASP.NET MVC/WebForms, GRPC, WCF
• (b) Frontend: JavaScript, AJAX, JQuery, ReactJS (preferred), AngularJS
• (c) Database: MS SQL Server (2014+), T-SQL, stored procedures, performance tuning
• (d) Web Services: REST, SOAP, JSON, WSDL
• (e) Architecture: SOA, microservices (preferred), object-oriented design, MVC, design patterns
• Strong understanding of:
• (a) Encryption (CMS/PGP), PKI Authentication, Digital Signatures, 2FA (e.g., OneSpan Digipass)
• (b) HTTP, IIS, Enterprise Library
• Familiarity with:
• (a) DevOps Tools: TFS, Azure DevOps, Jenkins, GitLab
• (b) Cloud Platforms: AWS or Azure (advantage)
• (c) Containerization: Docker (preferred)
• (d) Event/Log Management: Kafka, Elasticsearch/Kibana (preferred)
• (e) Mobile Development: iOS/Android (advantage)
• Excellent communication and interpersonal skills
• Experience in Agile/Scrum and DevOps environments
• Comfortable presenting technical concepts (Tech Talks is a plus)
• Proficiency with UML and technical documentation
• Experience in eBanking, Payments, or Cash Management systems is a strong plus
• Exposure to support & BAU (Business As Usual) activities is preferred

To apply, please visit www.gmprecruit.com and search for Job Reference: L7R8W54X

To learn more about this opportunity, please contact Yingying at [e-mail]

We regret that only shortlisted candidates will be notified.

GMP Technologies (S) Pte Ltd | EA Licence: 11C3793 | EA Personnel: Lai Yingying | Registration No: R1110239

This is in partnership with the Employment and Employability Institute Pte Ltd (e2i).

e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives.

By applying for this role, you consent to GMP Recruitment Services (S) Pte Ltds PDPA and e2is PDPA.