2 x Full stack Software Engineer - JavaScript Environment

Scalapay S.R.L.; Wollongong; On-site; AUD 120,000 - 150,000; Full time

Job summary

Scalapay is seeking an experienced Full-Stack Software Engineer to join our Experiences & B2B Platform teams. You will design, develop, and maintain scalable web applications using Node.js, TypeScript, and React.js, with both relational and non-relational databases.

You will write tests with Jest, work with NestJS and Next.js, and contribute to an Agile, AI-assisted development process. The role emphasizes high code quality, collaboration with product managers, designers, and engineers, and

Qualifications

• Minimum 5 years of professional development experience.
• Strong knowledge and hands-on experience with Node.js, TypeScript, and React.js.
• Extensive experience with both relational and non-relational databases.
• Experience with frameworks like NestJS and Next.js.
• Solid experience working with Agile methodologies.
• Proficient in using Git for version control.
• Hands-on experience with AI coding tools such as Claude Code and spec-driven development.

Responsibilities

• Design, develop, and maintain high-quality web applications using Node.js, TypeScript, and React.js.
• Work with relational (e.g., MySQL) and non-relational (DynamoDB, Redis) databases; ensure efficient data storage and retrieval.
• Write unit and integration tests using frameworks such as Jest.
• Leverage NestJS and Next.js to build scalable backend and frontend architectures.
• Participate in code reviews and maintain high coding standards.
• Collaborate in an Agile environment with cross-functional teams.
• Optimize applications for speed and scalability; implement CI/CD processes.
• Document technical designs and specifications for AI-driven development.

Skills

Node.js

TypeScript

React.js

Git

Agile methodologies

AI-assisted development

Problem solving

Database skills

Tools

MySQL

DynamoDB

Redis

NestJS

Next.js

Jest

Job description

At Scalapay, we’re shaping a culture with high standards, independent and critical thought, innovation, ownership, and continuous learning. We operate in a fast-moving, tech-driven environment, and we’re looking for people who thrive in change, think boldly, and take initiative.

If you’re ready to put your potential to the test in a hiring process designed to spotlight exceptional talent, this is your chance to stand out and grow with one of Europe’s most ambitious fintech teams.

#MakeItHappen #PlayAsATeam #StayCurious #FocusOnCustomer.

The Mission

We are seeking an experienced and passionate Full-Stack Software Engineer with a minimum of 5 years of development experience to join our dynamic Experiences & B2B Platform teams. The ideal candidate will have a strong background in Node.js, TypeScript, and React.js, and a deep understanding of both relational and non-relational databases. This role will be integral in designing, developing, and maintaining scalable and efficient applications.

What You'll Do

• Application Development: Design, develop, and maintain high-quality web applications using Node.js, TypeScript, and React.js.
• Database Management: Work with both relational (e.g MySQL) and non-relational (e.g., Dynamodb, Redis) databases, ensuring efficient data storage and retrieval.
• Testing: Write unit and integration tests to ensure code quality and robustness. Experience with frameworks such as Jest, or similar.
• Framework Utilisation: Leverage modern frameworks like NestJS and Next.js to build scalable and maintainable backend and frontend architectures.
• Code Review: Participate in code reviews, providing and receiving constructive feedback to maintain high code standards.
• Agile Development: Collaborate with cross-functional teams in an Agile environment, contributing to sprint planning, daily stand-ups, and retrospectives.
• Performance Optimisation: Optimise applications for maximum speed and scalability.
• Continuous Integration & Deployment: Work with CI/CD tools to automate testing, building, and deployment processes.
• Collaboration & Communication: Work closely with product managers, designers, and other engineers to understand requirements, share knowledge, and deliver high-quality software
• AI Spec-Driven Development: Write clear specifications and technical design documents that AI coding agents implement from, then direct, review and test what the agents produce.

What We're Looking For:

• Experience: Minimum 5 years of professional development experience.
• Proficiency: Strong knowledge and hands-on experience with Node.js, TypeScript, and React.js.
• Database Skills: Extensive experience with both relational and non-relational databases.
• Testing: Proven experience in writing unit and integration tests.
• Frameworks: Experience with frameworks like NestJS and Next.js.
• Methodologies: Solid experience working with Agile methodologies
• Version Control: Proficient in using Git for version control.
• Problem Solving: Strong problem-solving skills with the ability to think critically and creatively.
• Communication: Excellent verbal and written communication skills, with the ability to articulate technical concepts to non-technical stakeholders.
• Team Player: Ability to work well in a team-oriented, collaborative environment.
• AI-Assisted Development: Hands-on experience with AI coding tools such as Claude Code, and a spec-driven way of working: writing clear specifications and technical designs first, then directing, reviewing and testing what the agents produce.

Preferred Qualifications:

• Cloud Experience: Experience with cloud platforms like AWS or similar is a plus.
• DevOps Knowledge: Familiarity with DevOps practices, containerization (Docker) is a plus.
• Microservices Architecture: Experience in designing and implementing microservices-based systems.
• CI/CD Tools: Experience with CI/CD tools like Buildkite or similar.

Why you should join Scalapay:

• International environment with significant challenges to be met every day
• Direct impact on how thousands of European merchants offer BNPL solutions
• Work with a team of industry tech leaders who are focused on delivering products that offer exceptional user experiences
• Accelerate your professional growth with ownership of product delivery
• Work in a lean, people-focused Agile environment
• Access to latest technologies with room for creative input
• Personalised support to accelerate your professional growth and take ownership of the products you deliver: we want to help you grow!
• Flexible work arrangements supporting work-life balance

Recruitment Process:

• A quick chat with one of our Talent Acquisition team members
• The first interview with the Hiring Manager to dive deep into your experiences and better understand your motivation

Super Pro tip: we know that application processes can be scary and frustrating but… we look for talent, not people that tick all our boxes.