Sr. Java/React Full Stack Developer (Onsite Hybrid)

Job Title

NTT DATA's Client is currently seeking a candidate to join their team in Mississauga, Ontario, Canada.

Job Responsibilities

Design, develop, and operate end-to-end full-stack applications including front-end user interfaces, back-end services, and supporting infrastructure.

Own the complete software development lifecycle including system design, development, testing, deployment, monitoring, and production support.

Build and operate applications using modern GitOps-driven SDLC practices to ensure reliable and repeatable deployments.

Develop scalable, highly performant, and resilient distributed systems with a strong focus on reliability and operational efficiency.

Participate in production operations including monitoring, incident resolution, root cause analysis, and system optimization following "you build it, you run it" principles.

Collaborate with product managers, business stakeholders, and cross-functional teams to translate functional requirements into robust technical solutions.

Develop responsive and component-based user interfaces using modern front-end technologies and frameworks.

Design and implement secure and scalable APIs and backend services using REST/JSON standards.

Ensure backward compatibility, version control, and maintainability in API design and service development.

Solid in DevOps with hands-on knowledge in CI/CD pipelines, Jenkins, and related toolset.

Work with Kubernetes-based environments to deploy, scale, and manage containerized applications.

Develop automated workflows and scripts to streamline repeatable development, deployment, and operational tasks.

Conduct testing including UI testing, component testing, and integration testing to ensure application stability and performance.

Basic Qualifications

8 years of experience working in Kubernetes-based containerized environments including deployment, scaling, and operational management.

8 years of experience in software development, with a strong focus on full-stack application development.

8 years of experience with Java-based backend development.

8 years of experience developing modern front-end applications using React or similar frameworks.

8 years of experience building scalable APIs and backend services using REST/JSON architectures.

8 years of experience implementing CI/CD pipelines, GitOps, DevOps tooling, at least hyperscaler, and automated deployment processes with infra as code (IaC) understanding.

8 years of experience building and supporting production-grade systems with high availability and operational reliability.

8 years of experience working in automation frameworks for workflow orchestration and operational efficiency.

Preferred Skills

Machine learning and deep learning/LLM knowledge.

Degree

Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent work experience.

About NTT DATA

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.