Senior System Analyst – API Integration & Architectural Design

Empower seamless connectivity — drive innovation through advanced API integration and architectural excellence! Warsaw-based opportunity with a fully remote work model. As a Senior System Analyst – API Integration & Architectural Design, you will be working for our client, a leader in modern IT solutions, committed to transforming how systems communicate and operate at scale. You will help design and implement robust integration architectures that enhance system efficiency and flexibility, supporting cutting-edge digital transformation initiatives. Your main responsibilities: • Design, develop, and support RESTful and SOAP APIs, ensuring high performance and reliability. • Analyze and optimize architectural concepts, including microservices, monolithic, and service-oriented architectures. • Utilize UML and BPMN for systems modeling and business process documentation. • Conduct end-to-end testing of integrations, using tools like Postman, to verify seamless operation across platforms. • Collaborate effectively with offshore teams, ensuring clear communication and project alignment. • Apply critical thinking and problem-solving skills to address complex technical challenges. • Maintain version control and follow Agile practices to support continuous delivery and improvement. You're ideal for this role if you have: • At least 4 years of hands-on experience in API design, integration, and architecture. • Strong understanding of architectural paradigms such as microservices, monolithic, and SOA. • Proficiency with UML and BPMN for modeling and documentation. • Experience working with JSON, XML, and data transformation processes. • Knowledge of testing tools like Postman and end-to-end testing strategies. • Excellent communication skills in English, both written and verbal, with the ability to convey technical concepts effectively. • Experience working with offshore teams in an Agile environment. It is a strong plus if you have: • Familiarity with cloud platforms, especially AWS. • Experience with version control systems like Git. Language Required for the role: • Fluent English Eligibility for the role: • Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.