Senior Software Engineer

Zepto

. Build, scale, and maintain high-volume, real-time payment APIs in a mission-critical, regulated environment .

Posted 11/10/2026full-timeRemote • AustraliaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and maintaining high-volume, real-time payment APIs while ensuring security and performance in a regulated environment. Proficient in collaborating across teams, mentoring peers, and leading features from conception to production.

Highest-signal resume keywords

Backend Language ProficiencyAPI DevelopmentAWS ExperienceInfrastructure as CodeCI/CD Pipeline Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

API DevelopmentBackend Language ProficiencyEvent-Driven PatternsInfrastructure as CodeCI/CD Pipeline ManagementPerformance MaintenanceHigh Availability ManagementAI Tool UtilizationCode ReviewSystem Design

Soft Skills

Clear CommunicationProactive Risk IdentificationMentoringCollaborationProblem-Solving

Tools & Technologies

AWSAI ToolsClaude CodeCursorReactTypeScript

Industry Keywords

Real-Time Payment APIsRegulated EnvironmentObservabilityDeveloper ToolingOn-Call Rotation

Tech Stack

Tools & technologies

AWSCloudReactTypeScript

About the role

Key responsibilities & impact

Build, scale, and maintain high-volume, real-time payment APIs in a mission-critical, regulated environment
Design architecture, write RFCs, and ship clean, observable, secure software
Work across cross-functional teams
Collaborate with Platform, Security, and Incident Management teams
Participate in a shared on-call rotation
Mentor and pair with peers
Raise the team's bar for code quality, system design, and engineering practices
Deliver features within the team's domains
Lead significant features from idea to production
Shape requirements with product, write RFCs, break down work, and deliver outcomes to stakeholders
Improve platform or team capabilities through observability, developer tooling, test infrastructure, or architectural improvements
Own the team’s product area and understand its usage and shortcomings
Challenge requirements to find simpler solutions to customer problems
Help teammates level up through code review, pairing, and design discussions
Set standards for the team’s use of AI tooling

Requirements

What you’ll need

Deep experience in a backend language and API development
Experience with public cloud, preferably AWS
Experience with event-driven patterns
Experience with Infrastructure as Code
Experience with CI/CD pipelines
Track record maintaining performance and high availability under heavy transaction loads
Use of AI tools such as Claude Code or Cursor as a core part of delivery
Rigorous review of AI-assisted solutions
Respect for data security boundaries
Clear, open communication and proactive risk identification
Front-end experience with React and TypeScript is a bonus
Ability to participate in a shared on-call rotation
Ability to pass background checks

Benefits

Comp & perks

Remote-first work culture with the opportunity to work anywhere in Australia
Access to premium co-working spaces and Byron, Sydney & Melbourne Hub
12 weeks Paid Parental Leave for primary caregivers
4 weeks Paid Parental Leave for secondary caregivers
3 paid Wellbeing Days per year
Employee Assistance Program
Individual annual learning budget
4 paid Growth & Impact Days annually for professional development
$500 Remote Work Budget upon commencement for home office setup
$300 Remote Work Budget annually from the 2nd Zeptoversary