Senior .Net Developer (Banking Industry)

 Notes

Status: 3-6 months contract 

Placement: Banking Industry (WFO, South Jakarta)

Salary: 15 - 19 mio gross

Benefit: Laptop provided, BPJS Kesehatan & Ketenagakerjaan, Compensation UUCK 100%, THR Prorate

English for daily conversation & work environment

Job Summary:

We are seeking a highly skilled and experienced Senior Web Developer to design, build, and maintain robust web applications within our enterprise ecosystem. With 5-10 years of experience, you will be responsible for the full development lifecycle, integrating complex systems, ensuring top-tier security compliance, and driving modern DevOps and microservices practices.

Job Description:

• Application Development: Design and develop high-performance web applications using the .NET Framework and ASP.NET (MVC / Core).
• API & Integration: Build and maintain secure API Integrations (REST/SOAP) and manage SMTP Integration for automated communication services.
• Data & Business Intelligence: Write complex, optimized Database Queries (SQL Server/PostgreSQL) and develop enterprise data workflows and reports using SSIS (Integration Services) and SSRS (Reporting Services).
• Architecture & Modernization: Implement and transition applications toward Microservices architecture, utilizing Containerization (Docker) and orchestration via Kubernetes.
• DevOps & CI/CD: Support and collaborate on automated deployment pipelines through a solid understanding of CI/CD practices and basic Cloud Integration (Azure, AWS, or GCP).
• Security & Compliance: Proactively implement code-level defenses for Vulnerability & Penetration Preventive measures (OWASP Top 10, data encryption, secure authentication).
• Quality Assurance: Ensure code reliability and coverage by implementing Automation Testing frameworks and conducting rigorous code reviews.
• Source Control & Governance: Manage code repositories and branching strategies using advanced Source Control tools (Git/GitHub/GitLab).

Requirements:

• Experience: 5 – 10 years of professional experience in Web Development, specifically focusing on the .NET ecosystem.
• Language: Must be fluent in English (both written and verbal) for daily coordination, technical documentation, and global stakeholder management.
• Expert-level knowledge of .NET Framework, ASP.NET (MVC/Core), and C#.
• Advanced skills in Database Queries, SSIS, and SSRS.
• Proven experience with Source Control (Git), integration tools, and reporting systems.
• Strong understanding of Microservices, Docker, and Kubernetes.
• Solid familiarity with CI/CD pipelines and foundational Cloud Integration concepts.

SIGMATECH is collaborative, progressive, energetic, innovative and open.

SIGMATECH has established itself as the trusted partner for use in mission-critical applications and service clientele from SME to 500 Fortune company.

Benefits and perks of working with us include:

Compensation: Competitive salaries
Lifestyle: Casual dress code
Progression: Professional development (Webinars & Prime Class)
Welfare: BPJS, Private Insurance, Transport Allowance