Tech jobs

AI API API Testing Automation Blockchain +15 skills

QA Engineering Manager

EuropeFull-time

Ukraine

A hands-on QA Engineering Manager in Kyiv leading a QA team for enterprise software built on Bitcoin and digital asset infrastructure. Day to day: writing Python/Playwright/pytest automation, integrating tests into GitLab CI/CD or GitHub Actions, defining test strategy (functional, API, performance, security), and mentoring and growing the QA team.

Open 132d RemoteAPACSenior

Senior Frontend Engineer

Senior frontend engineer building web3 wallet interfaces and dApps using TypeScript, React, and TanStack Start, while optimizing performance and collaborating with cross-functional teams.

AI Blockchain JavaScript Next.js Playwright +6 skills

100K – 150K JPY

Open 132d RemoteContractSenior

Senior Software Development Engineer in Test (SDET)

Senior QA Engineer builds and maintains automated E2E and API tests for a next-gen decentralized exchange, ensuring trading logic, performance, and reliability under real-world conditions.

AI API Authentication Automation Blockchain +25 skills

Open 132d RemoteWorldwideSenior

Senior Rust Blockchain Engineer

Senior Rust engineer building a high-performance, on-chain order book and matching engine for a next-gen decentralized exchange.

Blockchain Distributed Computing Networking Rust Solana

AI API CI/CD Cypress Datadog +17 skills

シニアソフトウェアエンジニア（品質エンジニアリング・SDET）｜完全オンチェーン取引所「Strium」／デジタルアセットのスーパーアプリ「Startale App」

Open 98d APACSenior

Japan

Build and maintain automated end-to-end tests for a blockchain-based exchange and a crypto super-app, ensuring correctness of trading logic and scaling quality as user base grows.

12M – 20M JPY

AI DevOps JavaScript Next.js Playwright +6 skills

シニアフロントエンドエンジニア（React / TypeScript）｜完全オンチェーン取引所「Strium」／デジタルアセットのスーパーアプリ「Startale App」

Open 98d APACSenior

Japan

Build and optimize high-performance trading UIs and integrated super-app frontends for a next-gen on-chain finance platform using React, TypeScript, and modern web tooling.

12M – 20M JPY

Open 27d RemoteLATAM, North AmericaFull-timeSenior

Senior DevOps / Infrastructure Engineer (Americas, US time zones)

Senior hands-on DevOps/Infrastructure Engineer who designs, builds, and operates production infrastructure for Startale's Web3 products (StartaleApp wallet and the Strium onchain DEX) — spanning AWS, Kubernetes, Terraform/GitOps CI/CD, PostgreSQL, observability, security, and blockchain nodes/RPC. Remote, but must be physically based in US time zones (UTC-8 to UTC-5).

AI Argo CD Automation AWS Blockchain +31 skills

SQA Solution

Agile Certified ScrumMaster GitLab Kanban PMP +3 skills

Senior Project Manager, Engineering Operations

EuropeFull-timeSenior

Ukraine

A Senior Project Manager in Kyiv (on-site) will keep engineering projects for an enterprise software product suite organized and predictable: translating product roadmaps into plans, administering GitLab boards and issue tracking, and scaling project/program management processes across Agile teams. The product space is Bitcoin/financial-infrastructure oriented.

JustMarkets

Compliance Officer / AMLCO

Open 115d Europe

Cyprus

Oversee anti-money laundering, compliance, and regulatory adherence for a CySEC-regulated crypto-asset firm, ensuring alignment with MiCA, MiFID II, and local AML laws.

LLM Risk Assessment

JustMarkets

API Big Data ClickHouse C++ C# +5 skills

Product Manager (Risks)

Open 52d Europe

A deeply technical Product Manager for a trading platform's Risk Tech team, owning the roadmap and PRDs for real-time margin engines, exposure aggregation (A/B/C-book), anti-fraud, and portfolio risk across CFD, crypto, and derivatives. Acts as the bridge between quants and low-latency engineers, translating risk models into buildable specs.

Atomic Wallet

Analytics Blockchain DeFi Fintech Google Analytics +1 skills

Product Manager

CIS

Russia

Product Manager for Atomic Wallet, a popular crypto wallet (10M+ installs, 1.5M MAU), working on-site in St. Petersburg. The role owns product growth: analyzing product/financial metrics, shaping Web3 market hypotheses, working on UX and mockups, managing roadmap/backlog, and coordinating releases across development, design, marketing, and support.

ALC TECHNOLOGIES SG PTE. LTD.

Blockchain C++ C# Data Visualization Java +1 skills

Software Engineer - Trading & Data Systems | Unlimited Vacation

APAC

Singapore

Join Caladan as a Software Engineer owning a business area end-to-end, designing, building, testing and deploying proprietary trading and blockchain software for distributed computations and data visualisation. Core languages are Python/C++/Java/C#, based in Singapore.

Devopsroles

Automation Blockchain CI/CD Cloud DevOps +3 skills

Senior DevOps Engineer | Hybrid Cloud & CI/CD Expert

EuropeSenior

Poland

A Senior DevOps Engineer in Kraków supporting the full software delivery lifecycle: building and optimizing CI/CD pipelines, automating cloud infrastructure on GCP, and ensuring production resilience, with contributions to blockchain-based platforms.

Devopsroles

HybridEuropeContractSenior

Senior DevOps Engineer with GCP

Poland

Senior DevOps Engineer supporting the end-to-end software delivery lifecycle on a client product team in Kraków: building CI/CD pipelines, managing Google Cloud infrastructure with Terraform, Ansible and Kubernetes, and providing production support including for blockchain/DLT platforms. Hybrid role with 6 office days per month.

Ansible Automation Bash Blockchain CI/CD +15 skills

16K – 24K PLN / mo

PQShield

Open 102d RemoteEurope, UKLead

Lead Software Engineer

Lead a cryptographic software IP team, overseeing development from design to delivery, mentoring engineers, and managing projects in post-quantum cryptography and embedded systems.

CI/CD Cryptography Embedded Software GitLab Nist +2 skills

Agile AI Android API Api Design +27 skills

Client Full-Stack Engineer — IM Chat Platform, Android Focus

RemoteAPAC

Builds and maintains the Android client of Binance's instant messaging platform — real-time and group chat, media messaging, offline sync, and push notifications — using Kotlin/Java, WebSockets/MQTT/gRPC, plus AI-powered dev tools to also debug and modify iOS/Web codebases.

Agentic AI AI Analytics Automation Blockchain +6 skills

Binance Accelerator Program - Data Scientist (Transaction Monitoring)

RemoteAPACContract

+1

Fixed-term accelerator role for students/recent graduates: a data scientist supporting AI projects in Binance's compliance and risk-control area — testing and optimizing LLM/agent-based workflows for KYC, KYB, and EDD, reviewing prompts and model outputs, and documenting findings. Requires Mandarin communication skills and hands-on interest in LLMs and AI agents.

RemoteAPACInternshipIntern

Binance Accelerator Program - Data Scientist (On Chain background) Fully Remote

+1

Remote internship (Binance Accelerator Program) researching the intersection of AI and blockchain: the data scientist tracks AI x crypto frontier developments, builds PoC prototypes applying LLMs/agents to on-chain trading and data analysis, and works with algorithm and engineering teams. Core stack: Python, LLMs/agents, blockchain/DeFi.

AI Blockchain Cryptocurrency DeFi Express.js +5 skills