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.