Browse Blockchain Jobs

Search 7 curated tech job listings scraped in real-time from LinkedIn, Glassdoor, RemoteOK, and more. Filter by role, location, seniority, and source to find your next opportunity.

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7 jobs found for "Backend developer"

Product Engineer

Fun New York, NY $155k – $300k

…stack on systems that balance performance, reliability, and UX. You'll collaborate closely with protocol, backend, and business teams to solve complex challenges and build tools that scale globally to meet … engineering experience with JavaScript, TypeScript, and modern frameworks Strong understanding of full-stack development, including React and backend APIs Attention to detail in both product design and user interaction Proven track record…

LinkedIn

Expert JavaScript Engineer

Ciklum Czech Republic & Slovakia Bratislava, Slovakia

…infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security … through implementation, testing, deployment, and ongoing optimization Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure Develop user-facing features and frontend tooling for both end-user…

LinkedIn

Senior JavaScript Engineer

Ciklum Ukraine

…infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security … through implementation, testing, deployment, and ongoing optimization Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure Develop user-facing features and frontend tooling for both end-user…

LinkedIn

Senior JavaScript Engineer

Ciklum Czech Republic & Slovakia Bratislava, Slovakia

…infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security … through implementation, testing, deployment, and ongoing optimization Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure Develop user-facing features and frontend tooling for both end-user…

LinkedIn

(Sr.) Java Engineer, Matching Engine Team New

BTSE Taipei City, Taiwan

…crypto backend expert team and cooperating with resourceful PJM & PDM teams. We offer a fantastic culture and great career prospects. Responsibilities Collaborate with team members on designing, developing, and unit-testing…

LinkedIn

(Sr.) Java Engineer - (Admin & Payment)

BTSE Taipei City, Taiwan

…crypto backend expert team and cooperating with resourceful PJM & PDM teams. We offer a fantastic culture and great career prospects. Responsibilities Collaborate with team members on designing, developing, and unit-testing…

LinkedIn

Staff/Senior Java Engineer, OKX Web3 Wallet

OKX Hong Kong, Hong Kong SAR

…traditional internet backends with the transaction, signing, and on-chain interaction problems unique to blockchain. We're looking for a Senior Java Engineer with roughly 5–10 years of backend experience: someone … rather than using it unchecked. What We're Looking For Solid Java backend fundamentals. ~5–10 years of Java backend experience with a strong grasp of collections, concurrency, thread pools…

LinkedIn
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