32 Crypto &amp; Web3 jobs

NewBe an early applicant RemoteFull-time

Security Operations Engineer

Hands-on Security Operations Engineer for a stablecoin payments infrastructure provider, owning SIEM detection engineering, alert triage, SOAR automation, and cloud security posture management across AWS and EKS, plus vulnerability management and security KRI reporting. Fully remote role within the First Line of Defense.

AI Application Security Automation AWS Backbone.js +31 skills

BH

Blockchain HELIX AG

NewBe an early applicant On-siteEurope

IT System Administrator

Blockchain Cloud Distributed Computing Docker Firewall +3 skills

Administers IT systems for a secure digital identity ecosystem, handling Kubernetes, Docker, Linux, cloud and distributed computing infrastructure and scripting.

P

Polymarket

Open 4d On-siteNorth AmericaContract

Trust and Safety Program Manager

United States

Polymarket, the largest prediction-market platform, is hiring its first Trust & Safety Program Manager to own launch readiness, regulatory controls and evidence, user protections (self-exclusion, deposit limits, behavioral monitoring) and incident response across its CFTC-regulated US exchange and DeFi platform, partnering with Product, Engineering, Legal and Compliance.

DeFi Express.js Program Management SQL

Blockchain Engineer

New RemoteEuropeContract

Switzerland

Blockchain Engineer at Blockvora in Zug (remote-friendly) to design and implement smart contracts and chain integrations, working with backend and product teams on secure, production-ready on-chain systems. Core stack: Solidity, Hardhat/Foundry, Ethereum and L2s, ethers.js, Node.js, PostgreSQL.

Blockchain DeFi Ethereum ethers.js EVM +7 skills

B

Blockvora

API AWS Blockchain CI/CD Distributed Systems +20 skills

Backend Engineer

New RemoteEuropeContract

Switzerland

Backend Engineer to design, build, and maintain scalable backend services, owning APIs, data models, and integrations with blockchain and third-party systems. The stack includes Node.js/TypeScript, Rust, Go, Java, Python, Ruby, PostgreSQL, Redis, Docker, and AWS/GCP, with a focus on Web3, RWA, and digital products.

B

Bitvavo

AWS Cloud Cryptocurrency Design Patterns Event Driven Architecture +6 skills

Senior Backend Engineer - Low Latency

New EuropeSenior

Netherlands

Bitvavo, a leading European cryptocurrency exchange, is hiring a Senior Backend Engineer to design and build highly performant, low-latency, high-throughput backend services for its trading platform. The role centers on JVM/Kotlin development, performance benchmarking, architecture decisions, and production incident response.

B

Bitvavo

Cryptocurrency Design Patterns Event Driven Architecture JVM Kafka +3 skills

Senior Backend Engineer - Securities Trading

New EuropeSenior

Netherlands

Senior backend engineer on Bitvavo's securities trading team, building high-performance, event-driven microservices for a large European crypto exchange. Core stack is Kotlin/JVM, Kafka, and Kubernetes, with on-call operational rotations.

TO

Tether Operations Limited

AI Android Ansible Automation AWS +33 skills

DevOps Engineer (100% remote)

New RemoteWorldwide

Tether is hiring a remote DevOps Engineer to architect and maintain end-to-end CI/CD pipelines using GitHub Actions, containerize services with Docker, and manage multi-language build and release workflows for JavaScript, TypeScript, and C++ packages. The role emphasizes test-driven deployment, Infrastructure as Code, and cross-platform release automation for web, desktop, and mobile.

K

Kraken

New RemoteNorth AmericaSenior

Sr. Data Analyst, Compliance

Senior data analyst role on Kraken's Compliance team, owning end-to-end data work: building Python/SQL pipelines and dbt models, designing dashboards, and defining transaction-monitoring detection logic for deposits and withdrawals. Core stack is Python, SQL, dbt, Airflow, and BI tools, with statistical evaluation of detection rules and some ML exposure.

Airflow Analytics Anomaly Detection Athena CI/CD +20 skills

Systems & IT Engineer (w/m/d) 100%

New Europe

Switzerland

Systems & IT Engineer responsible for managing self-hosted Linux (Ubuntu) infrastructure on bare-metal servers, maintaining CI/CD pipelines with GitLab CI, Docker, and Ansible, running observability stacks (Telegraf, InfluxDB, Grafana, Graylog), administering Microsoft 365/Entra ID, and ensuring security and backup strategies. Also participates in on-call for critical services including blockchain

Ansible AWS Azure Azure AD Bash +36 skills

Data Engineer Kubernetes (m/w/d)

AI Airflow AWS Bash Blockchain +17 skills

Designs and builds an on-premises data platform running on Kubernetes, including batch and streaming data pipelines, orchestration, deployment automation, and S3-compatible storage integration. Core technologies include Kubernetes, Linux, Python/Go/SQL, Kafka, Spark, Flink, Airflow, Dagster, and Apache Iceberg.

Data Engineer (m/w/d)

AI Airflow Bash Blockchain Cloud +16 skills

Data Engineer building an on-premises data platform for a German IT consultancy, including batch and streaming pipelines, Kubernetes/S3-compatible storage integration, and data cataloging. Core stack includes Kubernetes, Python, Golang, SQL, Kafka, Flink, Spark, Airflow, Iceberg, and Dagster.

Embedded Software Engineer (m/w/d) Rust

API Blockchain Cybersecurity Embedded Linux Embedded Software +5 skills

Embedded Software Engineer developing safety- and security-critical flight software for satellites in Rust, including software architecture, multicore/real-time concepts, and communication buses (MILBUS, CAN, Ethernet, serial) under ECSS regulatory standards. Hybrid role in Bremen.

Security Engineer (m/w/d)

Bash Blockchain Cybersecurity Git PowerShell +1 skills

IT Security Engineer at a German IT consultancy focused on cyber security, AI and blockchain. The role involves developing IT platforms, running security analyses and penetration tests, implementing security policies and solutions, managing product vulnerabilities (PSIRT), applying customer security requirements such as DISA STIG, and running security awareness training.

Product Manager System IT (m/w/d)

Blockchain Cybersecurity Kanban Scrum

Product Manager for IT infrastructure in the defence sector, responsible for requirements engineering, product roadmaps, stakeholder analysis and the full product lifecycle, working with agile methods (Scrum/Kanban) in a hybrid setup in Kiel.

Software Test Automation Engineer (m/w/d)

Automation Blockchain CI/CD Cybersecurity GitLab +6 skills

Software Test Automation Engineer who writes detailed test specifications and implements them in a GUI test system, runs and analyzes GUI tests, maintains and optimizes test processes, and documents/re-tests defects. Core stack: Python with Squish for GUI automation, Jenkins and GitLab CI, Jira and IBM RTC, in agile Scrum/Kanban teams.

Software Entwickler C++ & Linux Experte (m/w/d)

Blockchain C++ Cybersecurity DevOps Linux

C++ developer building full-stack software for marine communication products, with heavy Linux work, architecture design, code reviews, and support for test/DevOps teams. Core technologies are C++, Linux, and ideally Qt.

Mainframe Softwareentwickler (m/w/d)

Blockchain COBOL Confluence Cybersecurity Db2 +4 skills

Mainframe software developer maintaining and enhancing PL/I and/or COBOL insurance applications, including batch and online functions, DB2 databases, and quality assurance, working with MVS/z/OS and tools like JCL, TSO, ISPF, and Endevor.

Java-Entwickler (m/w/d)