Senior Biztalk Developer

Overview
Join to apply for the
Senior BizTalk Developer
role at
Expleo Group
.
We are seeking a highly experienced Senior BizTalk Developer to join our team and play a key role in delivering robust, secure, and scalable integration solutions for enterprise-level applications within the public sector.
This is an exciting opportunity to contribute to impactful projects that support critical services and infrastructure.
Responsibilities
Lead the full software development lifecycle – design, development, testing, deployment, and maintenance.
Collaborate with business analysts and cross-functional teams to translate requirements into maintainable solutions.
Design and implement BizTalk-based integrations in line with departmental and ISO 27001 standards.
Participate in architectural discussions and contribute to strategic system improvements.
Maintain and optimize applications to meet performance and functional specifications.
Provide user support, documentation, and assistance tools.
Execute unit and integration testing, and support continuous integration and automated testing practices.
Perform root cause analysis and resolve incidents effectively.
Foster a culture of collaboration and continuous improvement across teams.
Qualifications
Bachelor's Degree in Computer Science, Information Systems, or other related field, or equivalent work experience.
Essential Skills
Excellent client-facing skills
People management skills - introducing and building ways in which people can learn from each other, encouraging mentoring and the transfer of knowledge by designing and delivering learning interventions
Team work and emotional intelligence
Good self-management – continuous performance is both an objective and a mind-set
Has an innovative approach – a bold thinker and doer, matching creativity with vigilance
Experience of introducing new concepts or strategies that significantly improve or revise the way business is done through to implementation.
Excellent communication and presentations skills
Experience
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 various transport protocols – SOAP, S/MIME, HTTP/s, File, FTP/s, SFTP, POP3, SMTP
Benefits
Collaborative working environment – we stand shoulder to shoulder with our clients and peers through good times and challenges
We empower technology professionals by expanding their skills and taking part in inspiring projects
Expleo Academy – enables you to acquire and develop skills through accredited training courses
Competitive company benefits such as medical and dental insurance, pension, life assurance, employee wellbeing programme, sports and social events
Always working as one team, our people are encouraged to think big and question the status quo
We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of race, sex, disability, religion/belief, sexual orientation or age.
At Expleo, we understand that impostor syndrome can affect many people; please do not be discouraged from applying.
Our Talent Acquisition Team welcomes all CVs and will consider your application in line with the values, requirements and role competencies.
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