Top Blockchain Jobs in Sydney

Leads Fiserv’s APAC growth, commercialization, and go-to-market strategy for embedded finance and digital assets. Drives business development, client acquisition, revenue growth, strategic partnerships, and ecosystem expansion. Builds executive relationships across financial institutions, fintechs, merchants, platforms, and marketplaces; coordinates with Product, Sales, Legal, Compliance, Risk, and Delivery teams; provides regional market expertise; influences product roadmaps; and represents Fiserv externally.

Lead application support for Digital Custody Assets, manage incidents and outages, coordinate disaster recovery and resiliency tests, drive process improvements, enforce onboarding and non-functional standards, provide technical guidance to development, and manage a team of support engineers while partnering across technology and business stakeholders.

Own integrated product marketing strategies and campaigns across acquisition, retention, brand, community, and growth. Define product positioning, manage KPIs and budgets, lead go-to-market initiatives, develop Web3 community and influencer partnerships, and collaborate with Product, BD, ecosystem partners, and creative teams. The role requires active crypto ecosystem participation, on-chain analytics expertise, mobile attribution experience, and measurable multi-channel marketing results.

Sell and support TMGM's CFD crypto products (focused on BTC and major altcoins). Build pipelines, maintain client relationships, provide market analysis and trading insights, deliver multichannel customer service, meet KPIs, and continuously learn crypto market and platform details.

The role involves driving digital marketing strategies, focusing on SEO, PPC, affiliate marketing, content marketing, and social media to enhance client engagement and success.

Develop and execute business strategies for user growth and partnerships in crypto markets, focusing on Africa. Manage relationships and optimize partner performance while ensuring alignment with business goals.

As a Sales Development Representative, you will manage inbound inquiries, execute sales campaigns, collaborate with teams, and generate leads.

The Head of Business Development will drive Shelby's go-to-market strategy, secure partnerships, and build the commercial foundation of a decentralized storage ecosystem.

Lead engineering for an AI-native Web3 product: ship production features, turn AI-assisted prototypes into scalable systems, own architecture/security/quality, direct AI coding agents, define engineering standards, and collaborate with founders on product and technical strategy.

Lead production support and SRE for Citi's digital asset platforms, owning incident management, observability, troubleshooting, and automation. Partner with product and engineering teams to diagnose root causes, implement scalable fixes, manage risks, and mentor junior engineers to improve platform reliability and performance across blockchain-connected systems.

Senior Consultants lead the implementation of Charles River Investment Management Solutions, defining client requirements and configuring applications to meet business needs. Responsibilities include training users, testing workflows, and resolving pre-live issues, all while ensuring customer satisfaction and solution ownership post-implementation.

Design, implement, and manage security solutions; create and enforce security policies; perform penetration testing, purple teaming, and threat modeling; monitor and respond to incidents; build security automation and integrate DevSecOps practices across engineering teams; advise on blockchain and crypto platform security.

Define and execute the product roadmap for AI-driven on-chain monitoring tools. Collaborate with cross-functional teams, analyze market and customer feedback, ensure timely delivery of features, and communicate roadmap progress to stakeholders to improve blockchain security offerings.

Lead marketing initiatives at Whetstone Research, create digital content, manage contributors, and prioritize strategies in blockchain and crypto.

Talent-network posting to collect engineers for future openings across full-stack, backend (Golang), frontend (React), mobile (iOS/Android/React Native), blockchain, AI, DevOps, security, data, and QA. Applicants should state domain, core technologies, location/time zone, and share links to profiles or projects. Fully remote; must have right to work in the country you are based.

The Frontend Engineer will implement UI features, automate UI testing, and oversee production releases while focusing on user experience in the blockchain space.

Lead product strategy, discovery, and roadmap for Trust Wallet; collaborate with engineering, design, security, and marketing to build secure, compliant, and scalable wallet features; drive user engagement, retention, and growth; manage and mentor a product team; set KPIs and iterate using data-driven insights.

Develop and test blockchain platforms and implement new features. Participate in testing and development of current platforms, contribute to feature implementation, and apply experience with other blockchain protocols.

Lead enterprise sales efforts across APAC targeting financial institutions and technology partners. Achieve monthly and quarterly revenue targets, prospect and manage territory and accounts, collaborate with BDRs and Sales Engineers, maintain CRM, and close complex institutional deals in blockchain/cryptocurrency space.

Responsible for executing sales campaigns, generating leads, and closing SMB opportunities while collaborating with the sales and marketing teams.

Lead the venture studio end-to-end: design operations, oversee incubator projects from ideation to launch, allocate capital across portfolio, align and mentor decentralized specialists, and synchronize cross-company execution and strategy in a Web3-native environment.

Open expression of interest for remote-first engineers and security researchers to join Sigma Prime. Work includes security assessments, protocol research, and building/maintaining Ethereum infrastructure such as Lighthouse, Bombora, Anchor, and Secstant. Candidates with curiosity, collaboration, and technical/operational problem-solving skills are encouraged to apply for future opportunities.

Lead product vision, strategy, and roadmap for a liquid staking and derivatives DeFi platform. Define KPIs, conduct market research, align features with company goals, manage product lifecycle, and communicate progress to stakeholders and investors.

Design, operate, and scale multi-region Kubernetes and cloud infrastructure for a high-volume decentralized exchange. Lead SRE strategy, incident response, resiliency, security, performance optimization, and mentor engineering teams while aligning infrastructure with business goals.

Research and improve consensus algorithms, design and implement Layer 2 protocol upgrades, optimize protocol performance and security, collaborate on blockchain cryptography and contribute to technical strategy.