Senior Biztalk Developer

About Our Client

Our client is a trusted technology partner delivering secure, scalable, and innovative IT solutions across enterprise and public sector environments. With a strong emphasis on compliance, integration, and performance, they help organisations achieve digital transformation while maintaining the highest operational standards.

About the Role

They are seeking a highly experienced Senior BizTalk Developer to join their team and play a key role in delivering robust, secure, and scalable integration solutions for enterprise-level applications. This is an exciting opportunity to contribute to impactful projects that support critical services and infrastructure. The role is based in Ireland , with a relocation allowance included in the package.

Key Responsibilities

Software Development Lifecycle

Lead design, development, testing, deployment, and maintenance of BizTalk integration solutions.

Collaboration & Design

Work with business analysts and cross-functional teams to translate requirements into maintainable solutions.

Participate in architectural discussions and contribute to strategic system improvements.

Integration & Compliance

Design and implement BizTalk-based integrations in line with departmental and ISO : 27001 standards.

Ensure solutions meet performance, security, and functional specifications.

Support & Maintenance

Maintain and optimise applications.

Provide user support, documentation, and assistance tools.

Execute unit and integration testing, supporting continuous integration and automated testing.

Perform root cause analysis and resolve incidents.

Continuous Improvement & Mentoring

Introduce new concepts and strategies to improve business processes.

Foster collaboration, mentoring, and knowledge transfer across teams.

Skills & Experience

Essential

7+ years of professional experience in software development.

Proven experience working within the public sector.

Strong expertise in BizTalk development, including :

Designing, developing, testing, and documenting BizTalk integration solutions.

• Building and maintaining BizTalk Maps, orchestrations, and Business Rules Engine (BRE).
• Administering BizTalk system and security configurations.
• Monitoring and troubleshooting BizTalk environments across Development, UAT, and Production.
• Deploying and migrating BizTalk applications across versions.

Proficiency in .NET, HTML, CSS, XML, XSLT, and JavaScript.

Strong SQL skills, including writing complex queries and stored procedures for MSSQL Server.

Experience with Windows Communication Foundation (WCF) and REST APIs.

Familiarity with transport protocols such as SOAP, S / MIME, HTTP / s, File, FTP / s, SFTP, POP3, and SMTP.

Excellent client-facing skills.

Strong people management and mentoring capabilities.

Teamwork and emotional intelligence.

Good self-management with a focus on continuous performance.

Innovative mindset able to match creativity with rigour.

Excellent communication and presentation skills.

Experience introducing strategies that significantly improve business processes.

Qualifications

Bachelors Degree in Computer Science, Information Systems, or a related field, or equivalent work experience.

Benefits

Competitive salary and substantial benefits package.

Significant learning and development opportunities, including accredited training programmes.