We are seeking a Senior System Integration Developer with 5–8 years of experience in designing and delivering enterprise‑grade integration solutions to support an ongoing project.
This role is open to candidates based in Europe, and due to project timelines, we are ideally looking for someone who can start within the next 1–3 months.

This role is ideal for someone who combines deep technical expertise with architectural thinking and enjoys working in complex, cloud‑based environments. You will take ownership of integration design and implementation, contribute to architectural decisions, and mentor team members while working closely with stakeholders in an Agile setup.

What we offer:

• Highest development standards (code reviews, knowledge sharing sessions and brown-bag meetings)

• Interesting and challenging projects

• Vivid environment and passionate colleagues

• Access to the global learning knowledge database and vendor certifications

• Innovative working practice and continuous learning culture

• Hybrid work model: flexible hours with the possibility to combine office and remote work

• Salary offer will be based on applicants’ qualifications and experience 2900-5000 EUR gross

Key Responsibilities:

• Lead the analysis of business requirements and translate them into scalable integration designs 

• Define and drive integration architecture, including API strategy and microservices design 

• Design, develop, and manage APIs and microservices across their full lifecycle (design, development, testing, deployment, monitoring, and governance) 

• Implement robust integration solutions using platforms such as Oracle Integration Cloud, MuleSoft, or webMethods 

• Lead migration initiatives from on-premise systems to cloud and hybrid integration architectures 

• Ensure high-quality delivery through end-to-end integration testing and proactive issue resolution 

• Collaborate closely with Architects, Technical Leads, and cross-functional teams to align with enterprise architecture standards 

• Provide technical guidance and mentorship to junior and mid-level developers 

• Contribute to best practices, standards, and continuous improvement of integration frameworks and processes 

• Engage directly with customers and stakeholders, ensuring clear communication and alignment 

• Actively participate in Agile ceremonies and support delivery planning and estimation 

Required Qualifications:  

• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience) 

• 5–8 years of hands-on experience in system integration and API development 

• Proven experience designing and implementing integration solutions in cloud environments (public cloud preferred) 

• Strong hands-on experience with integration platforms such as Oracle Integration Cloud, MuleSoft, or webMethods 

• Deep understanding of RESTful APIs, microservices architecture, and Service-Oriented Architecture (SOA) principles 

• Solid Java development skills 

• Experience with CI/CD pipelines, DevOps practices, and modern deployment tools 

• Strong knowledge of integration patterns, messaging systems, and event-driven architecture 

• Excellent analytical, problem-solving, and troubleshooting skills 

• Strong documentation and communication skills, with the ability to interact with both technical and non-technical stakeholders 

• Proven ability to lead technical initiatives and work independently 

Nice to Have 

• Experience with messaging/streaming platforms (e.g., Kafka, MQ) 

• Exposure to frontend technologies 

• Experience in designing enterprise integration strategies or contributing to architecture boards 

• Certifications in integration platforms or cloud providers 

• Strong Agile experience (user stories, backlog grooming, estimation, etc.) 

About Accenture

Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services—creating tangible value at speed and scale. We are a talent- and innovation-led company with approximately 791,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world’s leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360° value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360° value we create for our clients, each other, our shareholders, partners and communities.

Visit us at www.accenture.com 

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We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, sexual orientation, gender identity or expression, marital status, citizenship status or any other basis as protected by applicable law. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities.