Integration Engineer – Mulesoft

Yusen Logistics (UK) Ltd; Województwo mazowieckie; On-site; PLN 120,000 - 170,000; Full time

Job summary

Yusen Logistics Warsaw IT is seeking an Integration Engineer – MuleSoft to design, develop and support secure API integrations across European systems using MuleSoft Anypoint Platform.

You will translate business requirements into Mule flows, perform testing with MUnit, maintain documentation and contribute to CI/CD practices while collaborating with IT, business stakeholders and partners.

Qualifications

• A degree in Computer Science, Software Engineering or a related field, or equivalent practical experience.
• Strong knowledge of REST APIs, API-led connectivity and DataWeave 2.0.
• Experience with JSON, XML and CSV data formats and mapping.
• Familiarity with HTTP/HTTPS, SFTP, databases and messaging.

Responsibilities

• API & integration development using MuleSoft Anypoint Platform.
• Translate requirements into integration solutions including data mapping and routing.
• Monitor performance, troubleshoot incidents and identify root causes.
• Perform unit and integration testing including MUnit; support deployments.
• Apply API-led connectivity and CI/CD best practices.
• Maintain technical specifications and deployment records.
• Collaborate with internal teams and external partners to meet requirements.
• Identify opportunities to improve reusable components and platform reliability.

Skills

MuleSoft Anypoint

REST APIs

DataWeave 2.0

JSON/XML/CSV

Git & CI/CD

RAML/OpenAPI

Security & auth

Problem-solving

Team collaboration

Education

Bachelor's degree in Computer Science or Software Engineering

Equivalent practical experience

Tools

MuleSoft Anypoint Platform

Anypoint Studio

MUnit

Git

Maven

CI/CD pipelines

Job description

Job RefYLEU-IT-211026City:Warsaw, Mazowieckie, PolandDepartmentITStatusFull TimeTypePermanentHours40Integration Engineer – MulesoftLocation: Europe | Yusen LogisticsAbout Yusen LogisticsYusen Logistics is working to become the world's preferred supply chain logistics company. Our complete offer is designed to forge better connections between businesses, customers and communities through innovative supply chain management, freight forwarding, warehousing and distribution services.As a company, we're dedicated to a culture of continuous improvement, ensuring everyone who works with us is committed, connected and creative in making us the world's preferred choice.Role OverviewAre you passionate about building reliable integrations and developing APIs that connect complex business systems?We are looking for a Integration Engineer – Mulesoft to join our European IT organisation and contribute to the development and continuous improvement of our integration landscape.In this role, you will design, develop, test and support integration solutions using MuleSoft's Anypoint Platform. Working closely with IT colleagues, business stakeholders and external partners, you will help deliver secure, scalable and maintainable integrations that support our European operations.You will play an important role in ensuring our integration services remain reliable while identifying opportunities to improve performance, automation and development standards.Key Responsibilities• API & Integration Development: Design, develop and maintain MuleSoft applications, APIs and integration flows using Anypoint Studio and Anypoint Platform.• Solution Design: Translate business and technical requirements into integration solutions, including data mapping, transformation, routing and connectivity.• Technical Support: Monitor integration performance, troubleshoot incidents, identify root causes and implement effective solutions.• Testing & Deployment: Perform unit and integration testing, including MUnit, and support deployments, go-live activities and production releases.• Development Standards: Apply best practices in API-led connectivity, source control, code reviews, CI/CD and secure integration development.• Documentation: Maintain technical specifications, interface mappings, support documentation and deployment records.• Collaboration: Work closely with internal teams, customers and external partners to ensure integrations meet business requirements.• Continuous Improvement: Identify opportunities to improve reusable components, automation, platform reliability and overall development efficiency.What You Will Bring• A degree in Computer Science, Software Engineering or a related field, or equivalent practical experience.• Hands-on experience developing and supporting integrations using MuleSoft Anypoint Platform and Anypoint Studio.• Strong knowledge of REST APIs, API-led connectivity and DataWeave 2.0.• Experience working with data formats such as JSON, XML and CSV, including data transformation and mapping.• Familiarity with integration protocols and technologies such as HTTP/HTTPS, SFTP, databases and messaging.• Experience with Git, Maven, CI/CD pipelines and software development best practices.• Knowledge of API specifications such as RAML or OpenAPI, integration testing and MUnit.• Understanding of secure integration development, including authentication, authorisation and data protection.• Strong problem-solving skills, attention to detail and the ability to collaborate effectively with different stakeholders.Nice to have:• Experience with logistics, warehouse management, ERP or EDI integrations.• MuleSoft Developer certification.• Knowledge of SQL, FTPS, AS2 or event-driven integration patterns.What We OfferAt Yusen Logistics, you'll have the opportunity to contribute to a European IT environment where technology plays a key role in connecting our operations, systems and customers.You'll work with colleagues across different countries, contribute to meaningful integration projects and have opportunities to further develop your technical expertise.We offer a collaborative working environment where ownership, continuous improvement and knowledge sharing are encouraged.Why Join Us?At Yusen Logistics, we believe our people are at the heart of our success. Guided by our values of Connected, Committed and Creative, we work together to deliver innovative solutions and continuously improve the way we operate.Join us and become part of an international organisation where your expertise can make a real difference.Equal OpportunitiesYusen Logistics is committed to providing equal employment opportunities and creating an inclusive working environment. We welcome applications from candidates of all backgrounds.Use of AI in RecruitmentWe recognise that candidates may use AI tools to support their applications. However, we encourage applicants to ensure that all information provided accurately reflects their own experience, skills and qualifications.