Onwelo

Integration Developer (Boomi)

In short

This is an integration developer role building and maintaining a Boomi-based integration ecosystem for a global life sciences and biotechnology client, within an international Agile/Scrum team at Onwelo, a technology consulting company with 400+ specialists across Poland, Germany, Switzerland, and the USA. The work covers designing REST/SOAP/database integrations, writing technical specifications, code review, and production deployment support. It requires at least 4 years of hands-on Boomi experience, REST/SOAP/database integration skills, XML/JSON knowledge, and English at B2/C1 level; Boomi Master Data Hub experience is a plus. Hybrid or remote work is offered across several Polish cities.

About Onwelo
Onwelo is a technology partner delivering end-to-end services — from strategy and architecture, through implementation, to maintenance — in digital transformation, data, and automation. The team has over 400 specialists with strong senior-level competencies and a track record of 300+ completed projects for large organizations in Poland, Europe, and the USA. Onwelo operates from several Polish cities as well as offices in Germany, Switzerland, and the USA, combining local presence with global reach.
About the project
You will join an international team delivering strategic projects for a global client in the life sciences and biotechnology industry. Within the project you will take part in building and developing a modern integration ecosystem based on the Boomi platform, supporting key business and operational processes on a global scale.
Your responsibilities
•Designing and developing integration processes on the Boomi platform
•Creating and maintaining integrations based on REST, SOAP, databases, and data exchange files
•Analyzing business requirements and preparing integration specifications
•Participating in integration solution architecture and recommending best practices
•Creating reusable components
•Conducting code reviews and supporting less experienced team members
•Deploying solutions to production environments and providing post-launch support
•Working in an Agile/Scrum environment in an international setting
Who we are looking for
•A person with at least 4 years of experience working with the Boomi platform
•Experience building integrations using REST API, SOAP, and databases
•Practical knowledge of XML, JSON, and integration-related topics
•Ability to gather business requirements and prepare technical documentation
•Experience testing integrations using tools such as Postman or SOAP UI
•Very good knowledge of English (minimum B2/C1)
•Experience with Boomi Master Data Hub (MDH) is a plus
What we offer
•Flexible hours and the possibility of hybrid or remote work
•Participation in interesting projects for global clients
•As much as 80% of promotions in the company happen internally
•90% of management staff have a technical education
•Access to internal training and development paths
•Participation in team events, company meetings, and Town Halls
•Support in building a professional image (personal branding)
•Access to life insurance and private medical care for yourself and your family
•MultiSport card supporting health and fitness

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