Sr. Software Engineer (AWS + Typescript/Node.js)

  • Anywhere

About Zeller

At Zeller, we’re champions for businesses of all sizes, and proud to be a fast-growing Australian scale-up taking on the ambitious goal of reimagining business banking and payments.
We believe in a level playing field, where all businesses benefit from access to smarter payments and financial services solutions that accelerate their cash flow, help them get paid faster, and give them a better understanding of their finances. So we’re hard at work building the tools to make it happen.
Zeller is growing fast, backed by leading VCs, and brings together a global team of passionate payment and tech industry professionals. With an exciting roadmap of innovative new products under development, we are building a high performing team to take on the outdated banking solutions. If you are passionate about innovation, thrive in fast-paced environments, embrace a challenge, hate bureaucracy, and can’t think of anything more exciting than disrupting the status-quo, then read on to learn more.

Job Description

As a Senior Software Engineer, you will be responsible for architecting and developing cloud native, highly available, robust and secure applications in the AWS environment. You will have experience in web, mobile, backend, API, database development and should have experience in leading a team of software engineers.
With automation and maintenance being at the heart of our engineering principles, this position will have the enviable opportunity to adopt and promote best practices, bleeding edge technologies and trends. Not limited to a single product area or type, this role will work in a cross functional team with skill sets in full stack software engineering, devops, infrastructure, quality assurance to architect. You will collaborate with a cross-disciplinary team to own product software development, contribute and promote standards and engineering best practices, support operational activities such as; process automation, compliance activities, SLA upkeep requirements.
You’ll be tasked with translating business or product requirements into technical designs, hands-on implementation of the designs to see through its testing and deployment into various environment such as; development, stress testing, integration testing, staging and production. You will enjoy the fun of development from scratch in some application components while adhering to the company engineering standards, frameworks and best practices. You will also be a collaborative engineer capable of observing and contributing to existing works by other team members. Automation and maintenance is key, you will be excited to see through your contributions into production and maintain their longevity in the mission-critical environment.

Role responsibilities and experiences:

Analytical and be able to work with fuzzy requirements
Methodologically translate discussions with stakeholders, documents, own researchfindings into technical designs and implementation steps
Prior Experience in handling a team of software engineers.
Build to last and go production mindset versus build as proof-of-concept
Strong background in software engineering and design patterns
Experience in microservices and serverless architecture
Knowledge in architecture patterns such as; CQRS, event-sourcing
Proficient in Typescript,NodeJS
Experience with NestJs
Good 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
Good understanding of Request/Response vs Async protocol
Can work with various databases to match query and storage requirements e.g.DynamoDB,SQL, DocumentDB Experience in cloud native architecture
Understanding of data lake and data warehousing Knowledge in secured coding e.g. OWASP, XSS, CORS
Experience in authentication standards and platforms e.g. JWT, OAuth, IdentityFederation
Experience in AWS Cloud environment AWS Serverless architecture, Microservices, Blue Green Deployments, CICD Infrastructure As a Code (IAC): Terraform, Cloudformation, AWS Devops
SNS, SQS, EventBridge,
Step Functions ElastiCache Loading Balancing, Route53, CloudFront, ECS,ECR, Auto-Scaling S3, RDS, DynamoDB,DocumentDB CodePipeline, CodeBuild, CodeDeploy CloudWatch logs, events, triggers CloudTrail, X-Ray
Proven track record in developing and maintaining mission-critical high-load productionsystems with SLA 99.999%
Proven track record in supporting rapid and agile product deployments to different environments – dev, test, stress-testing, staging/production.


Loves challenging the status-quo
Ability to work autonomously yet collaboratively
Prepared to be bold yet consistent with your engineering principles
Logical, ethnical, mature and responsible
Fast learner, humble and loves to share knowledge
Calm and exercises positive level of stress in exceptional circumstances such as; production issues, timeline requirements

Qualifications and experience

Minimum of a Bachelor degree in software engineering (or related)
5+ years of working experience in a technical hands on software engineering role
Demonstrable experiences in developing mission-critical systems

Bonus Points…..

Experience in working within a high-growth environmentExperience in other cloud platforms (Azure, Google)
Experience in other programming languages Experience in other mobile development e.g. Android
Experience in payments Experience with PCI compliant environments (PCI-DSS, etc)

What’s in it for you…..

Be part of something big from the outset Watch your design work put up in lights A balanced, progressive and supportive work environment Competitive salary

Like the rest of our team, you will benefit from

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.

Originally posted on Himalayas

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