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Bitcoin Suisse AG

Senior Backend Developer (.NET)

United Arab Emirates

Bitcoin Suisse is hiring a Senior Backend Developer (.NET) in Abu Dhabi to design, build, and maintain its internal Client Management System — the platform powering client onboarding, KYC, compliance, and trading support for its crypto brokerage. The role centers on robust .NET services, REST/OpenAPI APIs, and event-driven architecture (Kafka) in a cross-location team.

Agile Automation Azure Azure DevOps Backbone.js +13 skills

Bitcoin Suisse AG

Senior .NET Backend Engineer | Event-Driven & Kafka

United Arab Emirates

Senior .NET backend engineer at Bitcoin Suisse in Abu Dhabi who designs, builds, and maintains scalable enterprise applications in a distributed, event-driven (Kafka) landscape. The role involves driving architectural decisions, mentoring junior engineers, and advancing test automation within an agile, security-focused team.

Agile Automation .NET Event Driven Architecture Test Automation

Junior Frontend Developer

RemoteEuropePart-timeJunior

Remote junior frontend developer (European time zones) building product interfaces — dashboards, forms, tables, and modals — with React, Vite, TypeScript, Tailwind CSS, and shadcn/ui, including data visualization and crypto wallet/EVM contract integrations.

Accessibility CSS ethers.js EVM React +3 skills

Junior Backend Software Engineer

RemoteEuropeJunior

Junior Backend Software Engineer at Accountable, a fully remote role (European timezone) focused on developing, testing, and deploying backend services, integrating external protocols and data sources, monitoring protocol activity, and maintaining GitHub CI/CD pipelines. Core stack: Java 17+, Python 3.10+, SQL, HTTP/REST, and Linux.

CI/CD GitHub Java Linux Python +1 skills

Junior DVN Backend Engineer

RemoteEuropeJunior

Junior backend engineer building, testing, deploying, and supporting backend services for Accountable's Data Verification Network (DVN). Day to day: integrating external on-chain protocols and data sources, monitoring client/protocol activity (TVL, secondary markets), handling deployments and client support, and helping migrate the UI to V2. Core stack: Java, Linux; fully remote in a European time

Senior Frontend Engineer

Open 73d RemoteAPACSenior

Builds and maintains frontend apps for a self-custodial wallet and dApps using TypeScript, React, and TanStack Start, focusing on performance and user flows.

AI Blockchain JavaScript Next.js Playwright +6 skills

Senior Rust Blockchain Engineer

Open 73d RemoteWorldwideSenior

Build a high-performance, low-latency on-chain order book and matching engine in Rust for a next-gen decentralized exchange, integrating with consensus and state transition layers.

Blockchain Distributed Computing Networking Rust Solana

10M – 15M JPY

Software Engineer II Rust Pro

RemoteAfrica, Europe, LATAMMiddle Ireland permit employer

Designs and implements Rust and C++ services and libraries powering Kraken's (Payward) trading, payments, and crypto products. Day to day: writing scalable, testable code for revenue-critical, low-latency distributed systems. Remote role open across many countries in Latin America, Europe, and Africa.

C++ Distributed Systems Event Driven Architecture Kafka Rust

Senior Software Engineer - Mobile Backend

North AmericaFull-timeSenior

Senior backend engineer on BitGo's Mobile team in Toronto (full-time onsite), building scalable APIs, libraries, and services for the retail first-time user experience using TypeScript, Node.js, Express, PostgreSQL, and MongoDB, with a strong interest in crypto and blockchain.

API Api Design Blockchain CAD Cryptocurrency +10 skills

180K – 220K CAD

Senior Software Engineer - Mobile (React Native/iOS/Android)

North AmericaFull-timeSenior

BitGo is hiring a Senior Mobile Software Engineer, full-time onsite in Toronto, to build the retail apps users rely on to manage and move digital assets. The role owns features from design through release across iOS and Android, using React Native/TypeScript plus native Swift or Kotlin, with a focus on security, performance, and polish.

Android API Authentication Blockchain CAD +9 skills

180K – 220K CAD

Envision Technology Solutions

Software Engineer

Backend software engineer who designs, builds, and maintains financial payments and money-movement systems (core banking, ACH, wire, card, digital assets) on cloud-based services, while translating business requirements into technical specs, documenting systems, and mentoring other engineers. Stack includes Python/Golang/C#/React and Postgres/DynamoDB.

API Blockchain Cloud C# DynamoDB +8 skills

Senior C#/.NET Developer

Open 103d RemoteEuropeFull-timeSenior

Senior C#/.NET developer builds and maintains blockchain-related applications using C#, ASP.NET Core, and Entity Framework in a FinTech startup.

API AWS Azure Blockchain C# +15 skills

Software Engineer, CDP - Stablecoin

Open 25d RemoteNorth America H-1B sponsor history

Software engineer on Coinbase's Stablecoin team building and operating backend services for stablecoin issuance, onboarding, rewards, and growth across Retail, Exchange, Prime, and Custody products. Day-to-day involves integrating partner APIs, owning features end-to-end, and supporting smart contracts. Core tech: Go, distributed backend services, Ethereum/EVM blockchain.

AI API Blockchain Distributed Systems Ethereum +4 skills

152K – 179K $

Head of Sales

Open 132d North AmericaFull-timeC-level

About Us Machines will make decisions, move value, and coordinate on behalf of organizations, instantly, autonomously, and at unprecedented scale. But the systems that govern today’s economy weren’t designed for that…

API Cryptography Fintech Go-to-Market SaaS

165K – 220K $

Account Executive

Open 132d RemoteNorth America

About Us Machines will make decisions, move value, and coordinate on behalf of organizations, instantly, autonomously, and at unprecedented scale. But the systems that govern today’s economy weren’t designed for that…

Account Executive API Cryptography Fintech Go-to-Market +2 skills

125K – 165K $

QA Engineer (mobile)

CIS, Europe, MENA, UK

QA Engineer focused on testing Keeper's mobile app on iOS and Android: running functional, regression, integration and UI/UX tests, planning coverage, writing automated tests, and helping verify fraud/security controls. Requires 2+ years of mobile QA, Figma familiarity, and knowledge of HIG/Material Design; fintech/crypto experience is a plus.

AI Android CI/CD Figma Fintech +1 skills

Senior Product Designer (Full-Stack)

Open 12d RemoteWorldwideSenior

Senior Product Designer owning end-to-end design at Defuse Labs for near.com (a permissionless crypto financial account) and NEAR Intents (cross-chain transaction infrastructure). Day to day: user research, UX/visual design, prototyping, and a scalable design system in Figma for web and mobile, including conversational/AI agent interfaces.

AI Analytics Blockchain CSS DeFi +10 skills

Startup Talents

Web3 Product Manager

RemoteNorth AmericaContract

Remote product manager (Europe/EU timezone up to GMT-3) for a crypto e-commerce company that lets users 'Live on Crypto' buying gift cards, eSIMs, and phone refills with cryptocurrency. Owns discovery, specs, and end-to-end delivery of crypto-native product features with engineering and design, plus chain/wallet/protocol integration decisions.

Acceptance Criteria Cryptocurrency DeFi E-commerce Fintech +1 skills

Senior Software Engineer – AI Infrastructure

Senior Software Engineer role focused on AI infrastructure at Kraken, the cryptocurrency exchange, working fully remotely from Costa Rica. Day to day the engineer would build and scale the AI/ML infrastructure behind Kraken's platform; the posting itself provides few further details on duties or tech stack.

Data Science Intern

Open 48d HybridNorth AmericaInternshipIntern H-1B sponsor history

A 12-week summer 2027 Data Science internship on Coinbase's Strategy, Execution & Analytics team in San Francisco (hybrid). The intern partners with product and engineering teams to build analyses, models, and data pipelines, and designs experiments like A/B tests and causal inference studies, using SQL and Python.

A/B Testing AI Analytics Causal Inference Data Science +5 skills

50 – 50 $ / hr