Full Stack Java Engineer - Kafka & AWS MSK Migration

NTT DATA is seeking a Full Stack Java Engineer with deep expertise in Apache Kafka and AWS Managed Streaming for Apache Kafka (MSK) to help lead the migration of enterprise Kafka infrastructure from self-managed environments to AWS MSK.

• In this role, you’ll design and build event-driven applications, modernize streaming platforms, and ensure a seamless, low-risk migration with minimal impact to business-critical systems.
• You’ll work closely with engineering, DevOps, and infrastructure teams to deliver highly scalable, secure, and resilient solutions.

Responsibilities

• Lead the migration of on-premises or self-managed Kafka clusters to AWS MSK, including planning, sizing, replication, and production cutovers.
• Design, develop, and maintain Java/Spring Boot microservices and REST APIs that publish and consume Kafka events.
• Build and enhance full-stack applications using modern frontend technologies (React or Angular) where required.
• Refactor Kafka producers and consumers to support AWS MSK, including IAM authentication, TLS, networking, and security best practices.
• Optimize Kafka performance through effective partitioning, replication, retention, and consumer group management.
• Implement monitoring and observability using CloudWatch, Prometheus, Grafana, or similar tools.
• Develop migration strategies including validation, dual-read/dual-write, rollback planning, and production readiness.
• Partner with DevOps teams to provision infrastructure using Terraform or CloudFormation.
• Ensure secure, compliant implementations with encryption, IAM, mTLS, and SASL/SCRAM authentication.
• Troubleshoot application, streaming, and infrastructure performance issues.
• Produce technical documentation, migration runbooks, and operational procedures.
• Mentor junior engineers and promote Kafka and AWS best practices.

• 5+ years of software engineering experience with Java-based enterprise applications.
• 5+ years of Strong expertise in Java (8/11/17), Spring Boot, and RESTful API development.
• 5+ years of Deep experience with Apache Kafka, including:
• Producers and consumers
• Kafka Streams
• Kafka Connect
• Schema Registry (Avro or Protobuf)
• Consumer groups and partitioning strategies
• 5+ years of Proven experience implementing or migrating workloads to AWS MSK (including MSK Connect or MSK Serverless).
• 5+ years of Hands-on experience with AWS services including IAM, VPC, CloudWatch, Lambda, S3, and Secrets Manager.
• 5+ years of Experience building full-stack applications using React or Angular.
• 5+ years of Experience with CI/CD pipelines (Jenkins or GitLab CI), Infrastructure as Code (Terraform or CloudFormation), and container technologies such as Docker and Kubernetes.
• 5+ years of Experience working with SQL and NoSQL databases including PostgreSQL, DynamoDB, or MongoDB.
• 5+ years of Strong understanding of distributed systems, event-driven architectures, scalability, and fault tolerance.
• 5+ years of Experience supporting large-scale production migrations with minimal downtime.
• Excellent communication skills and the ability to collaborate across engineering and infrastructure teams.
• Strong analytical and problem-solving skills with the ability to work independently in fast-paced environments.

Preferred Qualifications

• Experience migrating from self-managed or Confluent Kafka environments to AWS MSK.
• Financial services or other highly regulated industry experience.
• AWS certifications (Solutions Architect, Developer Associate, or similar).
• Experience implementing Kafka security using IAM, mTLS, SASL/SCRAM, and encryption best practices., AWS Lambda, Amazon Simple Storage Service (S3), Amazon Web Services (AWS), Analysis Skills, Apache Avro, Apache Kafka, Application Programming Interface (API), Artificial Intelligence (AI), Authentication, Best Practices, Business Services, Communication Skills, Consulting, Continuous Deployment/Delivery, Continuous Integration, Cryptography, Customer Retention/Renewal, DevOps, Distributed Computing, Docker, Ecosystems, Environmental Management, Financial Services, Identify Issues, International Business, Java, Jenkins, Microservices, Migration Strategy, MongoDB, Network Security, NoSQL, Operations Processes, Performance Tuning/Optimization, PostgreSQL, Problem Solving Skills, REST (Representational State Transfer), React.js, Refactoring, Replication and Remote Mirroring, Research & Development (R&D), Risk Management, SASL (Simple Authentication and Security Layer), SQL Databases, SSL-TLS (Secure Socket Layer - Transport Layer Security), Software Engineering, Startup, Strategic Planning, Team Lead/Manager, Team Player, Technical Writing, User Interface/Experience (UI/UX)

NTT DATA provides a reasonable range of compensation for U.S.-based positions. The starting pay range for this role is $65/hr - 75$/hr . Actual compensation will depend on a number of factors, including the candidate’s relevant experience, technical skills, and other qualifications. This position is eligible for company benefits including participation in medical, dental, and vision insurance, flexible spending or health savings account, and AD&D insurance, employee assistance, participation in a 401k program, and additional voluntary or legally-required benefits

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com, NTT DATA is your Innovation Partner anywhere around the world. With business operations in more than 50 countries, we put emphasis on long-term commitment and combine global reach and local intimacy to provide premier professional services from consulting, system development, business process and IT outsourcing, to cloud-based solutions.

NTT DATA Americas’ Strategic Staffing group provides our clients with top notch technical talent to augment their core IT staff. Our approach is customer centric, partnering to assist you in achieving your strategic goals and IT initiatives. We get to know your company’s culture and the type of technical staff that thrive within your organization. We understand your specific technical and business requirements, timing, and budget.

• NTT DATA is part of the NTT Group - a Fortune 31 Global IT & Telecom services company.
• NTT Group one of the largest Telecommunications Companies in the world.
• NTT DATA is ranked in the top 10 largest global IT services provider in the world.

Collectively, the integrated company generates $16B in annual revenues with over 130,000 employees across 50 countries Visit www.nttdata.com/americas to learn how our consultants, projects, managed services, and outsourcing engagements deliver value for a range of businesses and government agencies.

Company Size: 10,000 employees or more

Industry: Management Consulting Services