Engineering Manager (copy)
About Us
Immutable is a global technology company specializing in building games on Ethereum. With a mission to revolutionize gaming, we are at the forefront of redefining player experiences and game discovery. Established in 2018, Immutable is recognized as one of Australia's fastest-growing companies, achieving unicorn status with significant funding and valuation.
The Immutable Group comprises the Immutable Platform, a leading platform for Ethereum game development hosting successful titles like RavenQuest and Immortal Rising 2, and Immutable Games, a key player in web3 game creation and publication with renowned games like Gods Unchained and Guild of Guardians.
Anticipating unparalleled growth, we aim to transform digital environments into tangible realities. With ambitious plans to become the fastest-expanding gaming chain by 2024, with 250+ signed game projects, our trajectory is set for exponential success.
About The Role
As the Engineering Manager overseeing the Player Experience team, your primary focus will revolve around enhancing [play.immutable.com], which acts as the gateway to Immutable. Your team's core objective is to redefine how players engage and connect with Web3 games. Leading a diverse team that includes technical, design, and data professionals, you will drive innovation, optimize player acquisition mechanisms, and deliver a superior gameplay platform that cultivates player enthusiasm and loyalty.
We are seeking an energetic and visionary technical leader who excels in dynamic environments. The ideal candidate is enthusiastic about fostering empowered teams and shaping the future of gaming and digital asset ownership.
Key Responsibilities
- Lead and nurture the Player Experience engineering team, steering them towards introducing impactful features.
- Spearhead the technical advancement of the discovery Feed and onboarding systems to escalate player acquisition and engagement.
- Establish best practices for project delivery, ensuring seamless execution of the product roadmap.
- Collaborate with counterparts in Product, Design, and Data to align strategies and yield exceptional user outcomes.
- Work closely with other teams such as Rewards, Quest, and Trading to streamline the overall player journey.
- Cultivate a culture of excellence, autonomy, and accountability to facilitate quick iterations and knowledge acquisition.
- Assist in shaping the product strategy and engineering culture, collaborating closely with leadership counterparts and fellow Engineering Managers.
- Provide ongoing support and guidance to engineers through feedback, mentorship, and career development initiatives.
Qualifications
- Minimum of 2 years managing high-performing software engineering teams, with a focus on performance reviews, coaching, and career development.
- Strong background in full-stack engineering, with proficiency in technologies like React, TypeScript, or Go.
- Prior experience in startup or scaleup environments with a penchant for crafting top-notch consumer products.
- Firm commitment to team success and individual engineer growth.
- Excellent communication skills for navigating complex situations with clarity.
- Customer-oriented mindset with a dedication to solving genuine user challenges.
Bonus Qualifications
- Prior experience leading teams focusing on consumer or product growth.
- Knowledge of building or contributing to AI-powered features.
- Familiarity with Web3 concepts, technologies, and applications.
- Passion for gaming or prior involvement in the gaming industry.
Employee Benefits
At Immutable, we are dedicated to attracting and retaining top talent by offering competitive salaries, stock options, medical insurance, and flexible work arrangements. Our commitment extends to fostering personal growth and well-being through various support programs including educational allowances, health benefits, and paid leave policies.
Additional Information
Immutable is dedicated to promoting inclusivity and diversity in the workplace, valuing varied perspectives and experiences for driving ongoing success. We adhere to the 2025 Circle Back Initiative, ensuring a prompt response to all applicants.
Note to Recruitment Agencies: Given our internal team's coverage for this role, we do not accept unsolicited resumes from recruitment agencies.
Embark on this exciting journey with us towards the future of web3 gaming!
Junior / Middle Metaverse Developer (Unity / Web3 / VR)
You will work with Unity, WebGL, and blockchain technologies to create engaging metaverse features and optimize them for performance across different devices. The developer will collaborate with designers and backend engineers to deliver scalable and stable products.
Requirements include experience with Unity and C#, understanding of 3D development, Web3 or blockchain basics, and familiarity with Git and API integration. Experience with VR/AR, NFTs, or multiplayer systems is a plus.
We offer remote work, flexible hours, crypto payments, and the opportunity to build innovative metaverse products.
Junior/Mid Decentralized Infrastructure Engineer
Help build and scale decentralized infrastructure: contribute to compute networks, protocols, storage layers, and orchestration tools that power AI agents and open digital systems. You’ll write code, run tests, fix bugs, and ship real features fast.
Skills & Requirements:
1–3 years in blockchain infra, distributed systems, or high-scale compute (or strong personal projects)
Solid Python / Rust / Go skills
Interest in libp2p, IPFS, GPU orchestration, or decentralized compute
Quick learner who ships clean code and loves performance/cost challenges
Salary:
$110,000 – $165,000 USD base + meaningful equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug strong builders straight into our portfolio companies.
This is your chance to work on the real infrastructure behind autonomous agents and the open digital economy. Full support from the Sirex team, fast growth, zero bureaucracy.
High risk. Zero apologies.
Senior Decentralized Infrastructure Engineer
Build and scale production-grade decentralized infrastructure: compute networks, protocols, storage layers, orchestration for AI workloads, and open-source primitives that power the next generation of agent systems.Skills &
Requirements:
4+ years in blockchain infra, distributed systems or high-scale compute
Deep experience with Rust / Go / C++ and protocols (libp2p, IPFS, custom consensus, GPU orchestration)
Bonus: self-hosted AI compute, decentralized training or edge inference
Ship fast, own uptime, love extreme performance and cost efficiency
Salary:
$175,000 – $255,000 USD base + big equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug elite builders straight into our fastest portfolio companies.
This is your chance to build the actual rails for autonomous agents and open digital economy at scale. Zero bureaucracy, maximum leverage.
High risk. Zero apologies.
Web3 Fullstack Developer
Neonflick is a tech organization specializing in Web3 development.
We believe Web3 solutions are not as popular as they could be — mainly due to complexity. Our mission is to simplify the user experience and make decentralized technology more accessible and easy to use for everyone.
🚀 About the Role
We are looking for a Web3 Fullstack Developer who is passionate about decentralized technologies and excited to contribute to building meaningful Web3 products. You will work on developing new products, improving existing ones, and fixing bugs, all while proposing innovative ideas to enhance our platform.
🔹 Responsibilities
Develop functional and user-friendly Web3 products
Improve and optimize existing products and features
Identify and fix bugs or issues in the system
Propose and implement new ideas for product development
Collaborate with the team to ensure high-quality software delivery
🔹 Requirements
Strong interest in Web3 / blockchain / decentralized technologies
Fullstack development experience (frontend + backend)
Experience with smart contracts and decentralized frameworks is a plus
Problem-solving skills and attention to detail
Ability to work independently and proactively
🔹 What You Get
Early-stage involvement in a Web3 tech organization
Influence over product development and feature design
Opportunity to build experience and a portfolio in the Web3 space
Potential long-term collaboration and future compensation as the project grows
A chance to contribute to making Web3 simpler and more accessible
⚠️ Important
This is an unpaid position. We are looking for someone motivated by vision, learning, and long-term impact rather than immediate salary.
If you are passionate about Web3 and building meaningful decentralized products, we’d love to hear from you.
AI Agent Engineer
Join one of our high-conviction AI-native portfolio companies and build autonomous AI agents from the ground up. You’ll design agent architectures, implement tool-calling & memory systems, connect them to browsers/shell/APIs, run long-horizon tasks, and ship features that make the product feel alive and truly useful.
Skills & Requirements:
2–5 years building LLM-powered agents (LangGraph, CrewAI, ReAct, custom frameworks)
Strong Python skills + experience with tool calling, RAG, vector stores and evaluation
Bonus: familiarity with browser automation, self-hosted models or decentralized compute
Fast executor who loves shipping in ambiguity
Passion for agents that actually do real work (not just chat)
Salary: $160,000 – $230,000 USD base + meaningful equity (in the portfolio company) + full benefits + carry from Sirex network
Description:
Sirex.vc doesn’t only write checks — we actively help our portfolio companies recruit the best people on the planet. This AI Agent Engineer role is inside one of our fastest-moving startups building the next generation of autonomous agents. You’ll get direct support, intros, and operational help from the Sirex team while working on frontier technology that can change how the world uses AI.
High risk. Zero apologies.