Senior Software Engineer (Backend) Golang

King River Capital Group; Council of the City of Sydney; Hybrid; AUD 120,000 - 150,000; Full time

Job summary

A leading technology firm in Sydney is seeking a Senior Software Engineer to enhance their Immutable Passport wallet solution. The role requires experience in Golang and TypeScript. Responsibilities include building secure multi-chain wallet systems and collaborating with diverse teams. This position offers a flexible working model, competitive salary, and excellent benefits.

Benefits

Flexible working model

USD $500 WFH allowance

Health and wellbeing allowance

Paid parental leave

Free online courses

Qualifications

• 8+ years of engineering experience in a product-driven environment.
• Strong hands-on experience with TypeScript and Golang.
• Experience mentoring and sharing best practices with junior engineers.
• Passion for user-first product development.

Responsibilities

• Build and evolve Immutable Passport, our end-to-end wallet and authentication platform.
• Work with Golang and TypeScript for front-end and back-end development.
• Contribute to smart contract development.
• Experiment and iterate based on user feedback.

Skills

TypeScript

Golang

Team collaboration

Client-side application testing

Clean code practices

Tools

AWS Lambda

PostgreSQL

React

Node.js

Terraform

Job description

About Us

Immutable is a global technology company, powering the leading platform for building games on Ethereum. We are on a mission to build the future of gaming by redefining how games are played and discovered. Founded in 2018, Immutable is one of the fastest Australian companies to hit unicorn status, having raised more than AUD $300M+ and a valuation of AUD $3.5 billion.

Currently, the Immutable Group consists of the Immutable Platform, the leading platform for building games on Ethereum powering successful games like RavenQuest and Immortal Rising 2, and Immutable Games, a global leader in web3 game development and publishing with leading titles Gods Unchained and Guild of Guardians.

Our ambition is to make digital worlds real; we have incredible global growth plans as the fastest growing gaming chain in 2024 with 250+ games signed, more than in all previous years combined.

About The Role

As a Senior Software Engineer on the Immutable Passport team, you\'ll join a high-performing and passionate group focused on solving one of Web3 gaming’s biggest challenges: secure and seamless player onboarding. Immutable Passport is our non-custodial wallet and authentication solution that simplifies onboarding through passwordless sign-in and automatic wallet creation.

You’ll work across the full stack, contributing to the development of a secure, multi-chain, multi-coin wallet product. You’ll have a founder mindset and act as a technical thought partner, helping guide strategic and architectural decisions with deep expertise in Web3, Golang, and TypeScript.

This role offers a high degree of autonomy in tech choices and product direction, collaborating closely with cross-functional stakeholders; including the Founders. We\'re looking for builders who thrive in collaborative squads, want e2e ownership, proactive and non-requirement driven, thrive in ambiguity, enjoy experimenting and want to shape the future of Web3 gaming.

You\'ll Be Empowered To

• Build and evolve Immutable Passport, our end-to-end wallet and authentication platform for Web3 games
• Work extensively with Golang and TypeScript (front-end and back-end) a must
• Contribute to multi-chain support
• Contribute to smart contract development
• Collaborate with diverse stakeholders across the business to make impactful product decisions
• Leverage technologies like AWS Lambda, PostgreSQL, React, Node.js, Terraform, and event-driven microservices
• Participate in team planning, product design, estimation, and prioritisation
• Experiment, iterate based on user feedback, and strive for operational excellence
• Champion engineering best practices and support continuous team improvement

We\'d Love You To Bring

• 8+ years of engineering experience in a product-driven environment
• Energised in an ambiguous environment
• Strong hands-on experience with TypeScript (both frontend and backend) and Golang is a must have
• Proven experience building and testing client-side applications (unit, component, integration)
• A track record of writing clean, efficient, testable, and maintainable code
• Working knowledge of React and front-end styling is a plus
• Empathy-driven communication and the ability to work across varied stakeholders
• Experience mentoring and sharing best practices with junior engineers
• Passion for user-first product development and operational excellence
• Start-up or Entrepreneurial experience is a plus
• Keen interest in Web3 and a willingness to learn fast

Bonus Points For

• Experience or enthusiasm for Web3 gaming
• Exposure to Web3 client-side libraries like ethers.js, wagmi, WalletConnect, and RainbowKit
• A working knowledge of smart contract development and Solidity

We are proud of the benefits that we offer for all of our employees globally. Here is a snapshot:

Attracting the best global talent:

We commit to paying globally competitive salaries and contributions & we share our products\' success through Employee Stock Options. We also support our US Employees with Medical and 401K Insurance

Our flexible working model blends the best of both worlds: Sydney-based employees enjoy three days a week in our vibrant head office, while remote team members can work from home or utilise access to global office hubs via a WeWork All-Access pass

We offer USD $500 WFH allowance to set up your home office and USD $600 per annum to put toward your internet and phone usage.

Levelling up your growth

We offer up to USD $1,350 per annum for any classes, courses or events to support your growth and development

Enjoy access to free online courses via Udemy

Helping you thrive

️ Enjoy USD $800 per year to put toward your health and wellbeing

Get 24/7 access to unlimited counselling for you and your family when you need it through our EAP Service

Monthly subsidy and discounted rate with ClassPass, including a 1-year free membership to Breethe

Leave when you need it the most:

New parents receive 12 weeks of paid leave in our gender-neutral offer. The birthing parent also gets an additional six weeks of leave for rest and recovery leading up to and after birth. We also offer Miscarriage Leave and extra leave for IVF treatments

Enjoy 2 additional paid annual leave days at the end of the year and a paid day off for your birthday

Additional Information:

Immutable is committed to building and fostering an inclusive, diverse workplace. We believe in incorporating everyone\'s perspectives and experiences as this has been a significant driver of our success so far.

We are a 2025 Circle Back Initiative Employer – we commit to responding to every applicant.

*A note to recruitment agencies: Our internal team has this role covered, so there is no need to reach out - We don\'t accept unsolicited agency resumes and are not responsible for any fees related to unsolicited resumes. Thank you!

Join us in shaping the future of web3 gaming!

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