Backend Developer – Java

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🕒 December 25, 2025

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Kyndryl

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 2021

🏢 Enterprise

🔒 Cybersecurity

☁️ SaaS

Enterprise • Cybersecurity • SaaS

Kyndryl is a leading IT infrastructure services provider, serving thousands of enterprise customers worldwide. The company specializes in designing, building, managing, and modernizing complex, mission-critical information systems. Kyndryl offers a range of services including IT consulting, cloud services, cybersecurity, data and AI solutions, and digital workplace transformation. With a strong focus on innovation, partnerships, and co-creation, Kyndryl helps businesses tackle IT complexity and drive operational excellence. The company operates across various industries such as automotive, healthcare, banking, and more, providing expertise and solutions to address industry-specific challenges. Kyndryl's global network and strategic alliances empower enterprises to adapt to the evolving technology landscape, ensuring their essential systems are reliable and efficient.

📋 Description

• Designing, developing, and implementing cutting-edge software solutions • Your code will deliver value to our customers faster than ever before • Ensure that implemented components are appropriately documented, unit-tested, and ready for integration into the final product • Architect the solution, test the code, and deploy and build a CI/CD pipeline • Provide work estimates for assigned development work • Guide features, functional objectives, or technologies being built for interested parties • Collaborate in a fast-paced environment focused on innovation, creativity, and excellence

🎯 Requirements

• 6+ years of experience working as a software engineer on complex software projects • Excellent coding skills and solid development experience (Java, Python, .Net etc.) with debugging and problem-solving skills • Core Java: Strong understanding of OOP (Inheritance, Encapsulation, Polymorphism, Abstraction) • Unit Testing: JUnit 5, Mockito / MockK, Testcontainers (for integration tests), TDD preferred • Spring Boot: Spring MVC (controllers, interceptors, filters), REST API, Spring Security (JWT-based auth), API Gateway, Microservices • AWS: (AWS EC2 basics, AWS Lambda (optional for hybrid setups), ECS or EKS (if containerized workloads), RDS (MySQL/Postgres/Aurora), DynamoDB, S3 integration, Caching with ElastiCache (Redis), Amazon SQS (FIFO, DLQ), SNS, IAM roles & policies • Software development methodologies, with demonstrated experience developing scalable and robust software • Experienced in relational and NoSQL databases, data mapping, XML/JSON, Rest based web services • Knowledge of architecture design - Microservices architecture, containers (Docker & k8s), messaging queues • Deep understanding of OOP and Design patterns • Bachelor's degree in Computer Science, related technical field, or equivalent practical experience • Certification in one or more of the hyperscalers (Azure, AWS, and Google GCP) - otherwise, you can obtain certifications with Kyndryl

🏖️ Benefits

• Health insurance • Professional development opportunities • Employee learning programs • Opportunity to innovate and build new capabilities