Zeller is hiring a
Software Engineer

Summary

The job is for a Software Engineer (Payment Gateway) at Zeller, a fast-growing Australian scale-up reimagining business banking and payments. The role involves developing, architecting, and supporting cloud native payment applications in the AWS environment with knowledge in ISO8583, AS2805, HSM, and acquiring connectors.

Requirements

• Minimum of a Bachelor degree in software engineering (or related)
• 4+ years of working experience in a technical hands on software engineering role
• Strong background in software engineering and design patterns
• Strong and practical coding skills with Java
• Strong knowledge in multi-threaded and socket programming
• Instinctive desire to maintain code quality, tidiness and zero technical debt
• Strong focus on test coverage (practice TDD, BDD)
• Good with API and its design/protocol e.g. Restful, Websocket, SOAP
• Can work with various databases to match query and storage requirements e.g. Aurora, DynamoDB, SQL, DocumentDB
• Experience in cloud native architecture
• Knowledge in secured coding e.g. OWASP, XSS, CORS
• Appreciation and know-how in CICD
• Experience in AWS Cloud environment (SNS, SQS, ElastiCache, Loading Balancing, ECS, ECR, Fargate, Auto-Scaling, AppMesh, S3, Aurora, RDS, DynamoDB, DocumentDB, CodePipeline, CodeBuild, CodeDeploy, CloudWatch logs, events, triggers, CloudTrail, X-Ray)
• Proven track record in developing and maintaining mission-critical high-load production systems with SLA 99.999 %
• Proven track record in supporting rapid and agile product deployments to different environments - dev, test, stress-testing, staging/production
• Demonstrable experiences in developing mission-critical systems

Responsibilities

• Develop, enhance payment gateway service (Switch, API, Card Vaults … etc)
• Develop and support AS2805, ISO8583 connectors
• Develop and interface with HSM (MAC, Decrypt, Encrypt, PIN Translation)
• Enhance cloud native switch in the AWS environment
• Support certification team with payment link certification
• Database development (SQL, NoSQL, DynamoDB)
• Non-functional enhancement (performance, high availability)

Preferred Qualifications

• Experience in working within a high-growth environment
• Experience in other cloud platforms (Azure, Google)
• Experience in other programming languages
• Experience with PCI compliant environments (PCI-DSS, etc)

Benefits

• Competitive remuneration
• A balanced, progressive, and supportive work environment
• Excellent parental leave and other leave entitlements
• Fully remote role
• Annual get together with the team
• Endless learning and development opportunities
• Plenty of remote friendly fun and social opportunities - we love to come together as a team
• An ability to influence and shape the future of Zeller as our company scales both domestically and globally
• Being part of one of Australia’s most exciting scale-ups