Biztalk Software Engineer (.NET, C#, CI/CD, TDD)

ASTEK SINGAPORE INNOVATION TECHNOLOGY PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Astek Singapore Innovation Technology Pte. Ltd. is hiring a BizTalk Application Engineer to drive enterprise integration initiatives and support BizTalk modernization efforts in a dynamic environment.

You will develop, enhance, and support integration solutions using BizTalk Server 2020+, design orchestrations and maps, and work with relational databases. Strong C#/.NET skills and experience in agile delivery are essential.

Qualifications

• Degree in Computer Science, Information Technology, or related field.
• 3–6 years of hands-on BizTalk Server experience.
• Strong proficiency in Microsoft BizTalk 2020+ and C#/.NET.
• Experience with Oracle, PostgreSQL and/or MS SQL Server is desirable.
• Good understanding of enterprise software architecture and modern practices.

Responsibilities

• Develop, enhance, and support enterprise integration solutions with BizTalk.
• Design and maintain BizTalk orchestrations, maps, pipelines, ports, and adapters.
• Develop backend components using C#, .NET Framework 4.7+ and .NET Core.
• Work with Oracle, PostgreSQL, and SQL Server databases.
• Support application modernisation and potential migration projects.
• Apply engineering practices including TDD, automated testing, CI/CD, and GitHub.
• Participate in Agile Scrum, Kanban, and DevOps delivery environments.
• Apply Clean Architecture and DDD principles in enterprise solutions.

Skills

BizTalk Server experience

C# /.NET

3–6 years experience

Strong communication skills

Education

Degree in Computer Science/IT

Tools

OpenShift

AWS

Kafka

Informatica

Job description

BizTalk Application Engineer

Role Overview

We are seeking a BizTalk Application Engineer. The role will focus on enterprise application initiatives, BAU enhancements, and the ongoing support of Microsoft BizTalk, including future modernisation or BizTalk replacement projects.

Key Responsibilities

• Develop, enhance, and support enterprise integration solutions using Microsoft BizTalk Server 2020 or later.
• Design and maintain BizTalk orchestrations, maps, pipelines, ports, and adapters, including performance and scalability optimisation.
• Develop backend components and integrations using C#, .NET Framework 4.7+ and .NET Core.
• Work with Oracle, PostgreSQL, and Microsoft SQL Server databases.
• Support application modernisation and potential migration from BizTalk to newer integration architectures.
• Apply engineering practices including TDD, automated testing, static code analysis, code reviews, CI/CD, feature flags, and GitHub source control.
• Participate in Agile Scrum, Kanban, and DevOps delivery environments.
• Apply Clean Architecture and Domain-Driven Design (DDD) principles when designing enterprise solutions.

Requirements

• Degree in Computer Science, Information Technology, or a related discipline.
• 3–6 years of hands‑on BizTalk Server experience.
• Strong proficiency in Microsoft BizTalk 2020+ and C#/.NET.
• Experience with Oracle, PostgreSQL and/or Microsoft SQL Server.
• Good understanding of enterprise software architecture and modern software engineering practices.
• Strong communication skills with the ability to learn quickly and adapt to changing requirements.

Good to Have

• Knowledge of Object‑Oriented Design, Design Patterns, and SOLID principles.
• Experience with OpenShift and containerised environments.
• Exposure to AWS, including S3, API Gateway, and RDS.
• Experience developing scalable and highly available distributed systems and microservices.
• Knowledge of real‑time messaging platforms such as Kafka.
• Experience developing workflows using Informatica.