System Integration Developer (EU based)

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 2500-4400 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.)

System Integration Developer (EU based)

Key Skills

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