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Spiko Backed by Index Ventures
8 views last month

Head of Security

Open 42d RemoteEuropeC-level Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
France

Security lead at Spiko, a Paris-based fintech building treasury and cash-management infrastructure. Owns security end to end — application, cloud, identity, pentesting, incident response — while driving ISO 27001/DORA compliance and customer security due diligence, working on AWS/GCP, Kubernetes, Terraform, and TypeScript.

AI API AWS Blockchain CI/CD +24 skills
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Atomic Wallet
4 views last month

Product Manager

Open 42d CIS
Russia

Product Manager for a top-10 crypto wallet, responsible for product growth, UX, and metrics. Key tasks include analyzing Web3 market trends, managing roadmaps, and coordinating releases across design, marketing, and development teams.

Analytics Blockchain DeFi Fintech Google Analytics +1 skills
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Based
15 views last month

Lead Backend Engineer (Web3 & API)

Open 42d Lead

Designs and builds scalable Node.js/TypeScript backend services and RESTful APIs for a web3 social platform, with a focus on secure Solana blockchain integration. Works with PostgreSQL, MongoDB, AWS, and third-party wallet/RPC providers in a flat, agile team.

Agile API AWS Blockchain Cloud +11 skills
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Based
17 views last month

Senior Backend Engineer (API & Data Services)

Open 42d RemoteFull-timeSenior

Senior Backend Engineer building and scaling data services and public-facing APIs for a web3 social platform: designing low-latency price data services (PostgreSQL, Redis), building documented RESTful APIs, and integrating embedded wallet SDKs, using Node.js/TypeScript on AWS.

Agile API Api Documentation Authentication AWS +16 skills
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Alchemy Pay
17 views last month

Technical Recruiter

Open 59d Remote

About Alchemy Alchemy is the Web3 infrastructure and developer platform that powers millions of users and the world’s most innovative blockchain applications. From enabling $1+ trillion in financial transactions…

AI Analytics Blockchain Candidate Experience Cloud +9 skills
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Neurons Lab
11 views last month

AI Architect / Tech Lead (mahjong game)

Open 43d EuropeContractLead
Poland

Hands-on Tech Lead building the AI Companion for an online mahjong game: a decision-making model (RL, imitation learning, or MCTS) with an LLM reasoning/explanation layer on top, hitting a 2-second move budget. A 3-month, 0.5 FTE engagement owning architecture, the training/evaluation pipeline, and leading a small delivery pod for a web3 gaming client.

AI API AWS Cloud Langfuse +6 skills
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Maroon
8 views last month

QA Engineer Intern (DeFi)

Open 43d EuropeInternshipIntern

QA Engineer Intern at Maroon, a hybrid cryptocurrency exchange combining a centralized order book with user-held-key deposit wallets. The intern builds manual and automation test cases, reproduces backend defects, and performs root-cause analysis using JS/TS, Python, SQL, and web3 knowledge.

Automation Blockchain Cryptocurrency Python Root Cause Analysis +3 skills
11K – 11K $
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Tradable xyz
23 views last month

Full Stack Engineer

Open 43d RemoteNorth AmericaFull-time
United States

Full-Stack Engineer at Tradable, a private-asset investment marketplace, building end-to-end features across investor and issuer experiences — frontend, APIs, data, and cloud infrastructure. Core stack: TypeScript, React, Node.js/Python, PostgreSQL/MySQL, and AWS, with emphasis on performance, reliability, and security.

API AWS CI/CD Cloud CloudFront +16 skills
125K – 185K $
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Talenqora
14 views last month

Engineering Manager – AI-Powered Social Platform

Open 43d RemoteEuropeLead
Portugal

Compensation: $150k – $200k • No equity About Us We are seeking an experienced Engineering Manager to lead one of our engineering teams and drive the successful execution of strategic product initiatives. You will be…

Agile AI API AWS Azure +19 skills
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Dinari
14 views last month

DevOps Engineer

Open 43d North AmericaContract
United States

Mid-to-senior DevOps Engineer at Dinari, a tokenized securities (Web3/fintech) company, owning cloud infrastructure, Terraform-based IaC, CI/CD, observability, and DevSecOps compliance, plus blockchain node and smart-contract deployment pipelines on AWS/GCP. Core stack includes Terraform, Python/Go/Bash, Docker, monitoring tools like Datadog/Prometheus/Grafana, and security tooling such as Vault.

API Automation AWS Bash Blockchain +36 skills
140K – 220K $
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Dinari
7 views last month

Senior Backend Engineer

Open 43d North AmericaSenior
United States

Senior backend engineer at Dinari (San Mateo, remote-friendly) building securities-backed token infrastructure — APIs and SDKs that let exchanges and wallet apps offer 1:1 tokenized securities. Work spans SaaS platform engineering and Web3 integration; needs 5+ yrs experience, Python or Java, and blockchain familiarity.

API Blockchain Distributed Systems Java Python +3 skills
120K – 200K $
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Sentio XYZ
6 views last month

Growth Software Engineer Intern

Open 43d North AmericaInternshipIntern
United States

Sentio XYZ is hiring a Growth Software Engineer Intern in San Francisco (remote-friendly) to build data indexers, dashboards, and APIs for multiple blockchains using Sentio's framework, while supporting Web3 clients and shaping growth features. Ideal for students with basic JavaScript/Go/SQL skills and a strong interest in blockchain developer tools.

API Blockchain DeFi EVM JavaScript +3 skills
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OpenxAI
13 views last month

Junior Software Engineer

Open 43d APACContractJunior
Australia

OpenxAI, a decentralized AI network built on Web3 technologies, is hiring a remote junior software engineer (Australia-based) to build backend and frontend features, APIs, and smart-contract integrations for its decentralized AI platform. Key stack includes Python, JavaScript, React, Node.js, and Git, with exposure to AI tools like TensorFlow and PyTorch.

Agentic AI AI API AWS Azure +16 skills
33K – 66K aud
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Anza
7 views last month

Senior Software Engineer, Generalist

Open 43d Europe, North America, UKSenior

Senior engineer hardening Anza's Agave validator client and the broader Solana network: analyzing and debugging core blockchain code, building adversarial testing frameworks, and benchmarking performance and reliability improvements. Core work is systems programming (Rust/C++) on distributed systems and consensus.

Automation Blockchain C++ Distributed Systems Ethereum +5 skills
180K – 300K $
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Exponential DeFi
5 views last month

Senior Software Engineer

Open 43d North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Senior Software Engineer at Exponential DeFi will architect, build, and support key components of a multichain yield aggregation platform that merges web2 and web3, joining early ('day 1') in a fast-paced, high-ambiguity environment focused on web applications at scale.

Web3
170K – 250K $
AEJ CONSULTING-SINGAPORE PTE. LTD.
6 views last month

Recruiter – Quantitative Finance & Capital Markets Technology (Asia)

Open 130d APAC
Singapore

Company Overview AEJ Consulting is a global specialist recruitment firm focused on building lasting relationships with clients and candidates. We serve sectors including Financial Services, Enterprise Tech, Trading &…

Web3
zero-hash
5 views 2 months ago

Technical Support Engineer (AMER)

Open 103d RemoteNorth America
United States

About the Job Join zerohash as a Technical Support Engineer and help drive the efficiency of our global value transfer infrastructure. This role is perfect for a detail-oriented professional with a few years of…

API Blockchain Docker Fintech Go +12 skills
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Talent2Win
14 views 2 months ago

Senior Backend Java Tech Lead (Banking)

Open 44d LATAMLead
Peru

Backend Java tech lead for a banking client in Peru: advising an innovation center, enforcing clean-code practices (SOLID, design patterns), and driving development and maintenance of highly available banking services and APIs/microservices. Core stack is Java 17+, Spring Boot, reactive programming, Azure cloud services, with blockchain/Web3 integration exposure.

AKS API API Gateway Azure BDD +19 skills
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OpenDataJobs
23 views 2 months ago

Full Stack Developer (Laravel / Python)

Open 47d RemoteNorth AmericaContract
United States

Peregrine Advisors Benefit Inc. seeks a technically skilled Full Stack Developer to join a high-impact team of Data Scientists, Data Specialists, DevSecOps Engineers, and Developers to deliver on innovative and…

AI Anthropic API Api Design Automation +30 skills
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Crypto Banter
4 views 2 months ago

Business Development Manager (Sponsorship)

Open 45d RemoteMENAFull-time
United Arab Emirates

Boost by Banter We are not looking for a relationship manager who waits for inbound, files tidy decks, and calls it a quarter. We are not looking for someone who needs a sales playbook handed to them or who thinks…

CRM Pipeline Management Web3
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