GraphQL Engineer

Synechron; Sydney; On-site; AUD 120,000 - 160,000; Full time

Job summary

Synechron is seeking a backend engineer in Sydney to strengthen its TypeScript and Node.js capabilities. You will build backend services in TS, design and version APIs, and work in a large, strictly typed codebase.

The role emphasizes AWS in a restricted enterprise environment, observability across distributed systems, modern CI/CD and governance for security and compliance. Collaboration with platform teams and ensuring least-privilege access are essential.

Qualifications

• Proficient in building backend services with TypeScript.
• Experience designing versioned APIs with backwards compatibility.
• Strong AWS experience in restricted enterprise environments.
• Familiarity with observability tools and distributed systems debugging.
• Experience writing unit and end-to-end tests with modern tools (Vitest/Jest, Playwright).

Responsibilities

• Builds backend services in TypeScript, not just front-end work.
• Designs and versions APIs used by multiple applications.
• Understands backwards compatibility and how to change an API without breaking existing consumers.
• Can explain and implement different authentication flows.
• Diagnose issues with limited access by working with platform teams.
• Trace a failing request through gateway, API layer and downstream services.
• Writes unit and end-to-end tests as part of delivering work.
• Uses modern testing tools (Vitest/Jest, Playwright or similar).
• Works with Git, automated pipelines, feature flags and release candidates.

Skills

TypeScript

Node.js

API design

AWS

Observability

CI/CD

Security awareness

Distributed systems

Tools

Git

Monorepo

Job description

Synechron, is a global provider of Information Technology outsourcing services focused on the banking, finance and payments industry. We provide a broad range of IT services and technology solutions that are flexible, cost-effective, efficient and reliable. We pride ourselves on our ability to deliver high quality resources and solutions to our clients. Through Synechron's Financial innovation labs, we continue to develop innovative solutions by providing engineering payment solutions, creating tools and processes that shape the evolution of technology. For more information on the company, please visit our website:www.synechron.com.

Job Description:

Strong TypeScript and Node.js (server-side)

• Builds backend services in TypeScript, not just front-end work


• Comfortable in a large, strictly typed codebase

API design and contract management

• Has designed and versioned APIs used by multiple applications


• Understands backwards compatibility and how to change an API without breaking existing consumers


• Can explain and implement different authentication flows

AWS experience in a restricted enterprise environment

• Productive with limited access and permissions


• Familiar with load balancers, secrets management, caching and container services


• Can diagnose issues without full administrative access by working with platform teams

Observability/Monitoring and Debugging across distributed systems

• Can trace a failing request through multiple layers - gateway, API layer, downstream services


• Uses logs, traces and correlation IDs systematically rather than by trial and error


• Writes unit and end-to-end tests as part of delivering work


• Experience with modern testing tools (e.g. Vitest/Jest, Playwright or similar)

Modern CI/CD and version control practices

• Works comfortably with git, automated pipelines, feature flags, release candidates and rollback


• Experience in a shared monorepo environment is an advantage

Security and compliance awareness in regulated systems

• Default habits of least-privilege access and never exposing customer data or credentials in logs


• Thinks about authorisation on every request

SYNECHRON'S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative 'Same Difference' is committed to fostering an inclusive culture - promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant's gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law