Senior Fullstack Engineer

About Cognizant Consulting

Cognizant Consulting is more than Cognizant’s consulting practice—we’re a global community of experts dedicated to helping clients reimagine their business. By combining deep industry expertise with modern engineering and cloud capabilities, we deliver innovative, scalable solutions for some of the world’s most complex platforms and transformation programs.

About the role

As a Senior Full Stack Engineer/Tech Lead, you will make an impact by designing and delivering end‑to‑end digital solutions that bring complex business and technology journeys to life. You will be a valued member of our Technology Consulting team, working collaboratively with architects, platform engineers, and client stakeholders to build scalable, cloud‑native systems from user experience through to backend services.

This role suits engineers who enjoy working across the full stack, validating architectural designs through real execution, and contributing to large‑scale, mission‑critical platforms.

In this role, you will:

Design and deliver end‑to‑end application features across frontend, APIs, and backend services

Build scalable, cloud‑native solutions aligned to modern architectural patterns and platform standards

Develop and integrate RESTful APIs and backend services that support reliable, secure system workflows

Collaborate closely with architects and delivery teams to validate solution designs through working software

Contribute to quality engineering practices, including automated testing, reliability, and performance considerations

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Sydney, New South Wales. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

What you must have to be considered

Proven experience as a Full Stack Developer / Engineer delivering production‑grade systems

Strong backend development experience using Node.js / TypeScript or equivalent modern stacks

Frontend development experience with modern frameworks such as React

Experience designing and consuming RESTful APIs

Solid understanding of distributed systems concepts, including reliability, consistency, and failure handling

These will help you succeed

Experience building solutions on AWS or comparable cloud platforms

Exposure to event‑driven or asynchronous architectures and modern integration patterns

Familiarity with Infrastructure as Code, CI/CD pipelines, and cloud‑native deployment models

Strong testing mindset, including automated testing across multiple layers

Experience working in large‑scale, regulated, or data‑critical environments

We’re excited to meet people who share our passion for building resilient, modern platforms and can make an impact in a variety of ways. Don’t hesitate to apply, even if you don’t meet every requirement—your transferable skills and experience may be exactly what we’re looking for.