Tech jobs

Blockchain CSS DeFi Ethereum EVM +9 skills

Jr. Blockchain (Web3) Engineer

RemoteAPACJunior

India

Junior Blockchain/Web3 Engineer who designs, develops, and deploys smart contracts and dApps on platforms like Ethereum, BSC, and Polkadot, integrates DeFi protocols, and builds front-ends with React/Web3.js. Remote/hybrid/in-office in India; 1-2 years of blockchain experience required.

Компания скрыта

Deep Learning Feature Engineering Machine Learning Python

Senior ML Quantitative Researcher

RemoteWorldwideSenior

Senior quant researcher who runs their own ML research agenda for trading: finding market inefficiencies, engineering predictive features from order book/trades/funding data, validating signals rigorously, and taking models to production where they are accountable for PnL impact. Core stack is Python, deep learning, gradient boosting, and strong statistics.

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After Effects AI Blender Blockchain Cinema 4d +12 skills

Creative Designer

RemoteAfrica, APAC

Uganda

A hands-on Creative Designer owning BNB Chain's visual identity, producing graphic design, motion graphics, and short/long-form video for social media, campaigns, events, and announcements. Requires 3–6 years across the three disciplines, proficiency in Figma and Adobe tools, and active use of AI tools in the creative workflow.

Bullish US LLC

On-siteNorth AmericaStaff H-1B sponsor history

Staff Software Engineer, Protocols & Treasury (DeFi)

Agile AI Analytics BigQuery Blockchain +21 skills

Staff engineer on Bullish's Treasury (BTH) team builds full-stack internal apps and automated multi-chain DeFi tooling to safeguard and scale the firm's digital-asset treasury — deploying on GCP/Kubernetes with Terraform and GitHub Actions, coding in TypeScript/Python, storing data in PostgreSQL/BigQuery, and heavily leveraging AI coding agents.

230K – 280K $

Bullish HK Limited

On-siteNorth AmericaStaff

Staff Software Engineer, Protocols & Treasury (DeFi)

Agile AI Analytics BigQuery Blockchain +20 skills

Staff engineer on Bullish's Treasury (BTH) Engineering team building full-stack internal apps (React, TypeScript, Python) to automate DeFi and digital-asset treasury operations, deployed on GCP/Kubernetes with Terraform, GitHub Actions CI/CD, and heavy use of AI coding tools. Salary: $230k-$280k USD.

230K – 280K $

Casa

Open 58d RemoteNorth America

DevSecOps Engineer

A DevSecOps Engineer secures Casa’s Bitcoin self-custody platform by designing scalable security controls, automating processes (e.g., Terraform/Ansible), and triaging vulnerabilities from pen tests and alerts. Focuses on least-privilege access, incident response, and security training for the team.

AI Ansible AWS Cloud Cryptocurrency +9 skills

125K – 155K $

Resource Consultants, Inc.

Analytics Data Engineering Data Mining Ethereum GraphQL +8 skills

Data Analytics Team Lead ( Contractor )

RemoteEuropeContractLead

Portugal

Lead and grow a remote data organization (data engineers and analysts) at an Ethereum-focused startup, gathering, analyzing, and visualizing product, market, and on-chain data to drive business decisions. Core stack: SQL, GraphQL, Pandas, Hadoop, Hive, Spark, Dune Analytics; full-time contractor role.

Placements24

Angular Blockchain CSS ethers.js HTML +6 skills

Frontend Developer - Web3

HybridUK

United Kingdom

Frontend Developer building intuitive user interfaces for decentralized applications at a Web3 company (hybrid, Randburg/Gauteng). Day to day: turning wireframes into code with modern JS frameworks and wiring dApps to blockchains via Web3.js/Ethers.js and wallets like MetaMask, with 3+ years' frontend experience.

AI Ai Enablement Automation Bash Blockchain +15 skills

Production Support Engineer

Open 84d APAC

China

Senior DevOps engineer maintaining and securing a next-gen stablecoin and digital assets platform in Hong Kong, using AWS, Kubernetes, and CI/CD pipelines.

Open 47d HybridEuropeContractSenior

Senior DevOps Engineer with GCP

Poland

Senior DevOps Engineer supporting end-to-end software delivery for blockchain/DLT platforms on Google Cloud Platform: building CI/CD pipelines, managing cloud infrastructure with Terraform/Ansible, monitoring, and production support. Hybrid role based in Kraków, Poland (6 office days/month), paying 15,900–24,300 PLN gross monthly.

Ansible Automation Bash Blockchain CI/CD +15 skills

16K – 24K PLN / mo

Open 47d EuropeContractSenior

Senior DevOps Consultant with GCP

Poland

Senior DevOps consultant supporting the full software delivery lifecycle on Google Cloud Platform: building CI/CD pipelines, managing GCP infrastructure with Terraform/Ansible/Kubernetes, and monitoring and supporting production blockchain/DLT platforms. B2B contract, hybrid from the client's Kraków office 6 days a month.

Ansible Automation Bash Blockchain CI/CD +15 skills

136 – 170 PLN / hr

AI Ai Enablement Automation AWS Bash +18 skills

Senior Site Reliability Engineer (SRE)

Open 46d APACSenior

Hong Kong SAR China

Senior SRE owning day-to-day production support of a stablecoin and digital assets platform in Hong Kong — monitoring, observability, incident management, and cloud infrastructure reliability. Core stack: AWS, Kubernetes, CI/CD pipelines, and observability tooling like Grafana and OpenTelemetry.

3X SOLUTION PRIVATE LIMITED

Automation C++ Cryptocurrency Process Improvement Python +1 skills

System Analyst (IT)

Open 44d APAC

Singapore

An IT System Analyst in Singapore who gathers business requirements, designs and supports trading solutions (FIX engines, OMS, market data feeds, execution gateways) across stocks, derivatives, FX, and crypto, while handling incident/root-cause analysis, system monitoring, and UAT/regression testing coordination.

Circle Internet Management Services LLC

RemoteNorth AmericaPrincipal

Principal Product Manager, Risk & Fraud

AI API Automation Blockchain Data Science +11 skills

Principal Product Manager who owns the strategy, roadmap, and execution of Circle's risk and fraud platform — building fraud detection systems, a user-friendly rules engine, and AI/ML-driven risk decisioning across crypto and fiat rails. Requires deep fintech/crypto risk experience, AML/KYC compliance expertise, and technical fluency (APIs, SQL, event-driven architectures).

200K – 260K $

Circle Internet Management Services LLC

RemoteNorth AmericaSenior

Senior Data Analyst

AI Analytics Blockchain Data Analytics Data Engineering +4 skills

Senior Data Analyst at Circle (the USDC stablecoin company) working on financial reporting and regulatory compliance: partnering with accounting, treasury, finance, and product teams to design data models and reporting layers, and building scalable automated analytics using SQL, Superset, Python/R, and AI.

133K – 158K $

Circle Internet Management Services LLC

RemoteNorth AmericaSenior

Senior Data Scientist

AI Analytics Anomaly Detection Blockchain Data Science +7 skills

Senior Data Scientist on Circle's Fraud Analytics team, owning the prediction side of fraud: building, evaluating, and monitoring fraud models (account takeover, scams, mules, synthetic identity) and moving Circle from vendor risk scores to in-house production models. Core stack is Python, SQL, XGBoost/LightGBM, and strong statistics.

153K – 205K $

Kinsei Talent

Agile API Automation AWS Blockchain +21 skills

Backend Developer ExpressJS

RemoteEurope

Portugal

Backend developer for a luxury-brand NFT marketplace startup, designing and shipping microservice backend features with NodeJS/ExpressJS, Postgres, and GraphQL APIs in a CI/CD, test-driven environment. Remote-first role based in Portugal; 4+ years of backend experience required.

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RemoteWorldwideInternshipIntern

Developer Relations Intern

Internship on BNB Chain's global Developer Relations team: engaging and growing the developer community, organizing hackathons and events, creating technical tutorials and content, and supporting developers building on the blockchain. Relevant tools include Solidity, Web3.js, and smart contract platforms.

AI Blockchain Community Management DeFi Developer Experience +5 skills

8 – 16 $ / hr

Legend Labs, Inc.

HybridNorth AmericaSenior

Senior iOS Engineer