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Citi is revolutionizing the future of digital asset management and blockchain integration. This role ensures operational excellence, regulatory adherence, and continuous process improvement across blockchain-based settlement activities. Lead the daily operations of the digital asset settlements team

A global financial services leader is seeking a Software Engineer II in London to design, develop, and deliver blockchain applications. This position offers opportunities to grow skills in blockchain and work closely with diverse teams in the financial sector.

You will also collaborate with teams to build and test modules, like our Logos blockchain, messaging and storage modules. Experience with peer‑to‑peer technologies, blockchain, or cryptography.

The Blockchain & Climate Institute (BCI) is an international volunteer‑led think tank supporting and advocating the application of blockchain technology in the global fight against climate change. Knowledge of topics central to BCI, such as climate change, climate finance, and blockchain for clima

A technology organization in the United Kingdom is looking for an experienced professional to design and implement liblogos, a modular plugin runtime for decentralized nodes.Responsibilities include optimizing IPC performance, strengthening module isolation, and ensuring scalable, fault-tolerant sol

A leading financial technology company in the UK seeks an experienced Blockchain Architect to design and build blockchain solutions. The ideal candidate will have over seven years of experience in software architecture and a strong focus on blockchain technologies.

A leading software development company is seeking a Platform Engineer to bolster security and scalability in their high-performance environment.You will implement a secure CI/CD pipeline, develop infrastructure as code, and automate security scanning across cloud environments.Candidates should have

A leading technology firm in the United Kingdom is seeking a skilled Blockchain Developer to design and implement innovative blockchain solutions. You will develop smart contracts, collaborate with teams on integrating blockchain features, and ensure security through thorough testing. The ideal cand

A leading crypto company in Greater London is looking for a Senior Back-End Engineer.This role involves developing scalable APIs and optimizing systems while ensuring security and performance.Candidates should have extensive experience with JVM languages like Java or Kotlin, and a customer-focused m

A DeFi technology company is seeking a Senior Blockchain Engineer to design, develop, and optimize smart contracts and blockchain infrastructure. The ideal candidate has over 7 years of software development experience and at least 3 years in blockchain engineering.

A diversified digital asset investment firm seeks an experienced Portfolio Manager to lead a discretionary strategy focused on equities with exposure to blockchain and digital assets.

Must have worked with Blockchain /Web3 companies. About the job Business Analyst (Blockchain/Web3).

Play a key role in protecting Blockchain. Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.

This role combines technical leadership and product strategy, requiring experience in payments and blockchain environments.

Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Support the development of APIs that enable crypto trading across Blockchain’s products. Blockchain is commi

A leading tech company in the blockchain and cryptocurrency space is seeking an Engineering Lead in London. The ideal candidate will have expertise in frontend and backend development, blockchain technologies, and experience in fintech products.

You may contact our Data Protection Officer by email at dpo@blockchain. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is committed to diversity a

Implement and maintain subgraphs and substreams (The Graph) for blockchain data indexing and querying. Stay current with the latest developments in Web3, blockchain technologies, and infrastructure tooling. Familiarity with subgraphs and substreams for blockchain data indexing.

Blockchain is connecting the world to the future of finance. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is committed to diversity and in

Serve as the senior escalation point for complex settlement exceptions, blockchain transaction failures, and reconciliation issues, ensuring timely resolution and client satisfaction. Act as a Subject Matter Expert (SME) for blockchain-based settlements, providing guidance on operational impacts of

Contribute to the development of APIs that power deposits, withdrawals, and payment flows in the Blockchain. Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. Blockchain makes hiring decisions based solely on qualifications, merit,

We partner closely with Front Office, Product, Operations, and core platform teams to deliver secure, scalable, and compliant digital asset capabilities across our private blockchain network, Kinexys Digital Assets, and public blockchains. Learn and apply blockchain technologies in a full-stack DApp

Proficiency in blockchain technologies and strong understanding of security architectures are essential.

The Blockchain & Climate Institute (BCI) is an international volunteers‑led think tank supporting and advocating the application of blockchain technology in the global fight against climate change. Blockchain and Distributed Ledger Technologies – This should include well‑known open‑source pr

Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time. You may contact our Data Protection Officer by email at dpo@blockchain. Since its inception in 2011, Blockchain.

Blockchain Developer - Full Remote (UK ONLY) - Freelance Contract - Inside IR35. Urgent opportunity for an EVM Besu (or similar blockchain) Developer to design, implement, and maintain decentralized applications (dApps) on the Hyperledger Besu platform. In order to be successful with this applicatio

A leading fintech company is seeking a Technical Project Manager to oversee software development projects from initiation to completion.The role requires proven experience in managing software development, with strong leadership and communication skills.You will bridge technical teams and business o

Designing and optimising blockchain product architecture, with a focus on scalability, security, and performance. Defining and implementing effective CI/CD processes for blockchain development. Continuously monitoring emerging blockchain, Web3, and crypto technologies.

A leading blockchain technology company in London is seeking a Senior Software Engineer to enhance the XRP ledger's performance and reliability.

This is a unique and unparalleled opportunity to be at the absolute forefront of blockchain innovation, using the transformative power of AI to unlock the full and untapped potential of this revolutionary technology. Design, develop, and train sophisticated AI models that can analyze vast amounts of

Error Detection: Systematically assess our blockchain to identify and resolve bugs, exploits, and logic errors, contributing to the continuous improvement of our system. Performance Benchmarking: Evaluate our blockchain's performance under real-world conditions and develop an automated performance t

A blockchain development company is seeking a full stack blockchain developer to join its team in the Greater London area. This is a permanent full-time role offering a collaborative environment focused on innovative blockchain projects.

A global technology company in Greater London is seeking a Software Engineering Intern to join their Orders team.This 6-month internship offers hands-on experience with Kotlin-based microservices and backend systems.You will support the development of APIs for crypto trading and collaborate with sea

Write, translate, and optimize news and evergreen content for the web3 and blockchain industry, such as guides, tutorials, and product/service reviews.

A leading technology firm in Greater London is seeking an Entry Level Frontend Engineer to join their team.You will develop and maintain React applications, participate in collaborative planning discussions, and contribute to a diverse and inclusive work environment.Ideal candidates should have stro

Our team brings decades of experience across finance, blockchain, and technology. We operate with institutional discipline and an entrepreneurial mindset, combining deep capital markets expertise with a conviction in the long-term significance of blockchain technology and digital assets. We are seek

A leading financial technology firm is seeking a Senior Software Engineer to enhance the performance and capabilities of the XRP Ledger.The ideal candidate will have a Bachelor's in computer science and over 5 years of relevant C++ development experience.Responsibilities include participating in the

A forward-thinking fintech firm is seeking a Brand Designer to lead the creative and brand direction.You will evolve the company's visual identity, create scalable design systems, and design materials that clearly communicate complex messaging.Ideal candidates should have over 4 years of design expe

We are looking for sharp senior and mid-level blockchain MPC Developers to play a key role in an agile collaborative team-building peer-to-peer Layer 2 blockchain and Layer 3 (API) networks.

A leading cryptocurrency firm is looking for a Director of Business Development in London to drive the adoption of RLUSD and XRP Ledger.The role involves negotiating strategic partnerships with financial institutions and requires over 10 years of experience in business development or commercial role

The Blockchain & Climate Institute (BCI) is an international volunteers-led think tank supporting and advocating the application of blockchain technology in the global fight against climate change. Blockchain and other emerging technologies; Climate change and sustainability - These are two hot topi

A fintech innovation company based in London seeks a Lead Blockchain Payments Engineer to architect financial infrastructure driving fiat-to-crypto flows.

We are seeking a highly motivated Engineer to join the Web3 and AI team at Blockchain. Research & Implementation: You will stay ahead of the curve on new LLM capabilities and blockchain standards. Web3 Curiosity: You understand the basics of blockchain technology.

Lead Blockchain Payments Engineer - Fiat Ramps & Financial Infrastructure. Lead Blockchain Payments Engineer (Fiat Ramps). Build and scale a real-time risk engine targeting latencies of &le 300ms, incorporating ML scores, device signals, and blockchain analytics.

A leading cryptocurrency solutions provider in Greater London is seeking a Director of Developer Relations to lead initiatives enhancing developer experience on the XRP Ledger.The role involves strategizing financial applications, organizing impactful developer events, and fostering partnerships wit

As a software engineer in Dune focused on Data Platform you will play a key role ensuring our data platform scales to accommodate an ever‑growing volume of public blockchain data. Assume ownership of components within our blockchain data platform such as data ingestion and decoding. You have an un

This role requires expertise in Java, Spring Boot, and blockchain technologies like Ethereum.

A blockchain technology company is seeking a Mid-Senior DevOps Engineer to build and maintain secure blockchain networks and infrastructure.