Integration Developer- Outside IR35

Boomi Integration Developer | Hybrid | Outside IR35 | Manchester

A fast-growing SaaS business is looking for an Integration Developer to join a transformative multi-year Sales system replacement programme. This is a high-impact role, ideal for someone who thrives in a fast-paced, collaborative environment and is passionate about delivering enterprise-grade integration solutions using modern cloud technologies.

The role:
You'll be responsible for designing, developing, and maintaining integration solutions that connect multiple platforms, ensuring seamless data flow, operational efficiency, and scalability. You'll work closely with cross-functional teams across Sales, Product, and Engineering to enable intelligent automation and streamline customer engagement.

What you'll be doing:

• Design, develop, and implement integrations across multiple systems

• Work with REST/SOAP APIs and handle data in JSON, XML, CSV formats

• Conduct testing, debugging, and validation to ensure error-free integrations

• Maintain clear technical documentation of processes and configurations

• Collaborate with stakeholders to translate business requirements into effective integration solutions

• Provide ongoing support and maintenance for integration platforms

What we need from you:

• Boomi Platform expertise (Atomsphere)

• Strong understanding of integration patterns and APIs

• Problem-solving mindset with strong debugging skills

• Clear communicator with experience working with stakeholders and cross-functional teams

• Understanding of business processes and data flows

Desirable:

• Boomi Professional Developer certification

• Agile experience

• Familiarity with CI/CD pipelines and DevOps practices

• Knowledge of C#, TSQL, Java, Groovy or JavaScript for custom Scripting

Contract overview:

• Competitive dayrate tbc

• Hybrid working, ideally 3x per week

• Opportunity to work on a large-scale strategic programme using modern SaaS technologies

• Outside IR35

This is a great opportunity for someone who enjoys owning complex integrations, working across systems, and contributing to a forward-thinking tech programme.