Tech jobs

Senior Android Framework Engineer

ai android blockchain cpp cryptography +5 skills

Senior Android engineer building embedded Linux and AOSP-based system software for next-gen biometric devices that verify human identity at global scale.

220 000 – 270 000 $

World

Open 26d North AmericaFull-timeStaff

Staff Backend Engineer

ai api blockchain cloud cryptography +2 skills

Build and scale the decentralized identity platform behind World ID, focusing on privacy-preserving systems, biometrics, zero-knowledge proofs, and blockchain integrations in San Francisco.

225 500 – 265 000 $

LiquidFi

Senior Software Engineer (Python and Solidity)

analytics aws blockchain defi distributed-systems +9 skills

Senior engineer building DeFi backend services in Python and smart contracts in Solidity on EVM chains, deploying to AWS with Django and Hardhat.

Speechify

Open 26d North AmericaFull-time H-1B sponsor history

Software Engineer (Android), Mobile Developer Experience

android blockchain developer-experience gradle java +4 skills

Builds and maintains Android development infrastructure (build systems, CI, tooling) to help hundreds of engineers ship high-quality apps quickly at a fintech company.

148 700 – 185 900 $

Nisum

Android Developer

Open 26d North America

analytics android blockchain

Designs and builds Android mobile apps for consumer-facing products, leading development and collaborating with cross-functional teams using modern Android tools and frameworks.

125 000 – 130 000 $

Okx

Open 26d North AmericaStaff

Senior Staff Android Engineer

agile android blockchain java jetpack +6 skills

Build and optimize OKX’s Android app for millions of crypto traders, collaborating with global teams to ship high-performance features using Kotlin, Jetpack, and networking stacks.

220 000 – 300 000 $

WorksHub

Senior Frontend Engineer in San Francisco - Skyfire

accessibility ai api backbone blockchain +13 skills

Builds and refines the user interface for a blockchain-based payment platform serving AI agents and machines, using React, TypeScript, and modern UI libraries.

Blockchain Works

Open 26d North AmericaContract

Remote Frontend Engineer - MVUP

blockchain defi ethereum smart-contracts wireframing

Builds secure, user-friendly web interfaces for Ethereum blockchain tools like explorers and bridges, integrating with DeFi applications while collaborating with cross-functional teams.

Okx

Senior Android Engineer, Payment

agile android blockchain kotlin mvvm +5 skills

Build and maintain OKX’s Android app for millions of crypto users, focusing on payments and performance while collaborating across global teams.

166 000 – 250 000 $

Anza

Blockchain Networking Engineer - Rust/C++ & Protocols

Open 26d North America

blockchain cpp distributed-systems networking rust +1 skills

Develops and optimizes networking protocols for the Solana blockchain using Rust or C++, ensuring security and scalability in a distributed systems environment.

150 000 – 275 000 $

DeWinter Group

Open 26d HybridNorth AmericaContractMiddle

Frontend Developer

ab-testing accessibility api aws blockchain +15 skills

Build and maintain responsive, high-performance web interfaces using React and TypeScript for a financial services firm, collaborating with product and design teams.

Speechify

Open 26d North AmericaFull-timeSenior H-1B sponsor history

Senior Software Engineer (Android), Mobile Developer Experience

android blockchain developer-experience gradle java +4 skills

Build and maintain Android development infrastructure and tools to speed up engineering workflows at a fintech company, focusing on build systems, CI, and developer experience.

180 000 – 225 000 $

Framework Ventures

Engineering Director Mobile iOS Android

Open 26d North America

Lead a mobile engineering team to build and scale the OKX SuperApp, focusing on iOS and Android development for a global crypto exchange and wallet platform.

blockchain

Professional.me

Open 26d North AmericaFull-timeSenior

Senior Frontend Engineer

accessibility api blockchain ci-cd developer-experience +9 skills

Senior Frontend Engineer builds and maintains developer-facing tools like dashboards and SDKs for a stablecoin-native payments platform, using React, TypeScript, and modern frameworks.

Kite

Open 26d North AmericaFull-timeJunior

Frontend Engineer

agentic-ai ai analytics blockchain llm +2 skills

Builds and maintains user interfaces for AI agents and services, focusing on developer tools and programmable payments using React and modern frontend frameworks.

Launch Legends

Open 26d North AmericaPart-timeSenior

Senior Rust Engineer for Exciting Blockchain Project Launching NOW

ai api blockchain cloud cryptography +16 skills

Build high-performance Rust components for a next-gen blockchain platform, integrating cryptography, zk-proofs, and AI-driven optimizations to power scalable Web3 infrastructure.

State Street

Open 66d North AmericaSenior

Senior Implementation Manager - IBOR - Charles River Development

ai blockchain proof-of-concept sql

What we are looking for Senior Consultants lead the implementation of the Charles River Investment Management Solution (CRIMS). Their contributions include defining client requirements, configuring and tuning the…

100 000 – 167 500 $

DTCC

Open 63d HybridNorth AmericaPrincipal

Principal DevOps Engineer

automation aws azure azure-ad azure-devops +24 skills

Lead the design and automation of secure, compliant cloud platforms for DTCC’s Web3 infrastructure, using Azure, Terraform, and DevSecOps to enable scalable, policy-aligned delivery pipelines.

The Depository Trust & Clearing Corporation (DTCC)

Open 62d HybridNorth AmericaPrincipal

Principal DevOps Engineer