At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees have been key factors in our company''s growth and market presence. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here.
For more than 25 years, NTT DATA Services have focused on impacting the core of your business operations with industry-leading outsourcing services and automation. With our industry-specific platforms, we deliver continuous value addition, and innovation that will improve your business outcomes. Outsourcing is not just a method of gaining a one-time cost advantage, but an effective strategy for gaining and maintaining competitive advantages when executed as part of an overall sourcing strategy.
NTT DATA''s Client is seeking a Full Stack Engineer – Java, Kafka & AWS MSK Migration
Role: Full Stack Engineer (Java)
Location: Seattle – In Office 5 days/week ONSITE
Experience: 5–8 years (flexible)
About the Role
Client is seeking an experienced Full Stack Engineer with strong Java expertise and deep hands-on experience in Apache Kafka to lead and support the migration of our existing Kafka infrastructure to Amazon Managed Streaming for Apache Kafka (AWS MSK). This role requires a blend of backend engineering, streaming architecture, and cloud infrastructure skills to ensure a seamless, low-risk transition with minimal disruption to downstream consumers.
Key Responsibilities
- Lead the technical migration of self-managed/on-prem Kafka clusters to AWS MSK, including cluster sizing, topic replication, and cutover planning
- Design and implement Java-based microservices and APIs that produce/consume from Kafka topics
- Develop full-stack features (backend services + UI integration where applicable) supporting event-driven architectures
- Re-architect or refactor existing producer/consumer applications for MSK compatibility (IAM auth, TLS, VPC connectivity, security groups)
- Implement monitoring, alerting, and observability for MSK using CloudWatch, PrometheGrafana, or equivalent
- Define and execute data validation, dual-write/dual-read, and rollback strategies during migration cutover
- Optimize Kafka topic partitioning, replication factor, retention policies, and consumer group configurations for MSK
- Collaborate with DevOps/Infra teams on Terraform/CloudFormation-based provisioning of MSK clusters
- Ensure compliance with security, encryption (at-rest/in-transit), and access control standards (IAM, SASL/SCRAM, mTLS)
- Troubleshoot performance, latency, and throughput issues pre- and post-migration
- Document migration runbooks, architecture decisions, and operational procedures
- Mentor junior engineers on Kafka/MSK best practices
Required Skills & Experience
- Java: Strong hands-on experience with Java (8/11/17), Spring Boot, REST API development
- Kafka: Deep expertise in Kafka producers/consumers, Kafka Streams/Connect, schema registry (Avro/Protobuf), partition strategy, and consumer group management
- AWS MSK: Proven experience provisioning, configuring, and migrating workloads to AWS MSK; familiarity with MSK Connect, MSK Serverless
- AWS Ecosystem: IAM, VPC, CloudWatch, Lambda, S3, Secrets Manager
- Full Stack: Frontend framework exposure (React/Angular) is a plus for full-stack ownership
- DevOps: CI/CD (Jenkins/GitLab CI), Infrastructure as Code (Terraform/CloudFormation), Docker/Kubernetes
- Databases: SQL/NoSQL (PostgreSQL, DynamoDB, MongoDB)
- Experience with large-scale, mission-critical migrations in regulated environments (financial services preferred)
- Strong understanding of distributed systems, fault tolerance, and event-driven design patterns
Preferred Qualifications
- Prior experience migrating from self-managed Kafka (Confluent/Apache) to AWS MSK
- Experience in banking/financial services with knowledge of data governance and compliance requirements
- AWS Certification (Solutions Architect / Developer Associate)
- Exposure to Kafka security hardening (mTLS, SASL/SCRAM, IAM-based auth)
Soft Skills
- Strong stakeholder communication for cross-functional migration coordination
- Ability to work independently in ambiguous, evolving technical environments
- Problem-solving mindset with a focus on zero-downtime migration strategies
About NTT DATA Services:
NTT DATA Services is a recognized leader in IT and business services, including cloud, data and applications, headquartered in Texas. As part of NTT DATA, a $30 billion trusted global innovator with a combined global reach of over 80 countries, we help clients transform through business and technology consulting, industry and digital solutions, applications development and management, managed edge-to-cloud infrastructure services, BPO, systems integration and global data centers. We are committed to our clients'' long-term success. Visit nttdata.com or LinkedIn to learn more.
NTT DATA Services is an equal opportunity employer and considers all applicants without regarding to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law. We are committed to creating a diverse and inclusive environment for all employees. If you need assistance or an accommodation due to a disability, please inform your recruiter so that we may connect you with the appropriate team.
Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting hourly range for this remote role is $65 to 73/hour. This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidate''s actual work location, relevant experience, technical skills, and other qualifications.
This position is eligible for company benefits that will depend on the nature of the role offered. Company benefits may include medical, dental, and vision insurance, flexible spending or health savings account, life, and AD&D insurance, short-and long-term disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally required benefits.
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