Staff Software Engineer

Mosh

Staff Backend Software Engineer shaping APIs, cloud infrastructure, and clinical workflow systems. Helping Mosh & Moshy improve accessible digital healthcare across Australia.

Posted 9/3/2026full-timeSurry Hills • 🇦🇺 AustraliaLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing API-driven systems, cloud architecture, and distributed systems while ensuring high standards in software engineering practices. Capable of mentoring engineers and driving technical direction in backend engineering.

Highest-signal resume keywords

API-Driven Systems DesignCloud Architecture PrinciplesEvent-Driven Architecture PatternsInfrastructure as Code (Terraform)Observability Tooling (Datadog)

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Applicant Tracking System Keywords

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Hard Skills

KotlinJavaGoTypeScriptPostgreSQLLinuxDockerKubernetesWorkflow Orchestration (Temporal, AWS Step Functions)API Best Practices

Soft Skills

Healthy CuriosityStrong AutonomyDeep Accountability

Tools & Technologies

TerraformDatadogKafkaSNS/SQS

Industry Keywords

HealthcareFintechRegulated Industry

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsDockerGoJavaKafkaKotlinKubernetesLinuxPostgresTerraformTypeScript

About the role

Key responsibilities & impact

Set the technical direction for backend engineering, shaping architecture, driving alignment and raising engineering standards
Design, build and own APIs and services that form core platform building blocks
Write clean, well-tested code; conduct code reviews; produce documentation; and solve complex technical challenges
Define and evolve backend engineering standards, patterns and golden paths
Drive decomposition of monolithic applications into well-bounded, domain-driven services
Design and implement workflow and orchestration systems for complex, multi-step clinical and operational processes
Build and maintain reliable CI/CD infrastructure for deployments and releases
Use data-driven analysis to determine when infrastructure or services are warranted
Design and run experiments with emerging technologies and document recommendations
Contribute to automated regression, performance and resiliency testing
Instrument observability, author runbooks and participate in incident response and resolution
Champion improvements to software engineering practices and standards
Mentor engineers across experience levels
Collaborate with frontend engineering, product and design on API contracts and end-to-end experiences
Support engineering team growth through interviews and code reviews

Requirements

What you’ll need

8+ years of experience designing, building, deploying and scaling API-driven systems
Extensive knowledge of cloud architecture principles and patterns
Extensive knowledge of distributed systems, fault tolerance and resiliency patterns
Extensive knowledge of API best practices, including contract-first design (e.g. OpenAPI/AsyncAPI), versioning strategies and backwards compatibility
Extensive knowledge of event-driven architecture patterns, including messaging, streaming and eventual consistency (e.g. Kafka, SNS/SQS)
Extensive knowledge of workflow and orchestration engines for modelling complex, long-running business processes (e.g. Temporal, AWS Step Functions, Conductor)
Fluency in at least one modern backend language (e.g. Kotlin, Java, Go, TypeScript)
Strong experience with relational databases such as PostgreSQL
Strong experience running production workloads on public cloud platforms, particularly AWS
Strong experience with Linux, Docker and Kubernetes
Hands-on experience with Infrastructure as Code tools such as Terraform
Hands-on experience with observability tooling such as Datadog
Solid working knowledge of frontend systems
Healthcare, fintech, or other regulated industry background is nice to have
Healthy curiosity, strong autonomy and deep accountability
Demonstrated technical initiative and penchant for clean code

Benefits

Comp & perks

Access to on-demand training and development
Up to 16 weeks of paid parental leave
Product discounts
Two additional days of annual leave each year
Purpose leave for mental health or learning and development
EAP and wellbeing programs
ClassPass discounts
Mix of in-office, hybrid and remote working across Australia
Flexibility to work from home for Sydney-based employees