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Senior Java Engineer (Smart Contract)

Job Title: Senior Java Engineer (Smart Contract) Location: London Contract: 12 Months Are you a passionate Senior Java Developer looking to make a significant impact in an innovative environment? Our client is seeking a talented individual to join their dynamic team in London, where you'll design and develop cutting-edge microservices...

Adecco

London

Lead Software Engineer

Lead Software Engineer Stealth AI Fintech Startup | London | Hybrid (3 days on-site) We’re hiring on behalf of an innovative Fintech startup that is building an AI-driven platform that’s rethinking how investors analyse, access, and manage alternative assets (e.g. private equity, private credit and other private markets). They've built...

Hyre AI Limited

London

Senior Cryptography Engineer

Job Description As a Senior Cryptography Engineer, you’ll protect NewDay’s payment processing, customer data, and internal systems through robust, scalable cryptographic controls. You’ll design, build, and automate key management, certificate lifecycle, and HSM governance to reduce operational risk and enable secure developer self-service. This role directly supports business-critical platforms, ensuring...

NewDay

City of London

Senior Cryptography Engineer

Job Description As a Senior Cryptography Engineer, you’ll protect NewDay’s payment processing, customer data, and internal systems through robust, scalable cryptographic controls. You’ll design, build, and automate key management, certificate lifecycle, and HSM governance to reduce operational risk and enable secure developer self-service. This role directly supports business-critical platforms, ensuring...

NewDay

London

Component Definition Engineer (CAD/NX) - Submarines

Job DescriptionComponent Definition Engineer (CAD/NX) - SubmarinesFull Time (On Site 5 Days)DerbyAn exciting opportunity has arisen for a Component Definition Engineer to join Rolls-Royce Submarines Component Definition Group in Derby.As a Component Definition Engineer, you can be deployed on a broad range of modelling and definition activities across various discipline...

Rolls Royce

Derby

Senior Embedded Engineer - Cryptography & RFID

A leading global security solutions company is seeking a Staff Engineer to drive technical solutions for embedded firmware and cryptographic applications. Ideal candidates will have over 7 years of experience and a strong background in C and C# programming, alongside effective communication and Agile teamwork skills. This role offers a...

HID Global

Cardiff

Senior Backend Engineer: DeFi Trading (Rust/Python)

A leading digital assets firm is seeking a Senior Backend Developer to join their team in Leeds. You will build and maintain backend services and public APIs using Rust and Python, and work directly with EVM smart contracts. A strong background in crypto and DeFi, specifically 3–4+ years of experience,...

Jobster

Leeds

Senior Backend Engineer: DeFi Trading (Rust/Python)

A crypto-native DeFi trading platform is looking for a Senior Backend Developer to enhance their high-performance trading infrastructure. You will build and maintain backend services and public APIs using Rust and Python while interacting with EVM smart contracts. The ideal candidate will have strong experience with Rust, Python, and 3–4...

Jobster

Bury

Senior AI/ML Engineer – Fully Remote (Crypto Analytics)

A blockchain analytics scale-up is seeking a Senior AI / ML Engineer to enhance their AI capabilities. This fully remote role involves designing and implementing ML models for blockchain data analysis, creating insights for investment strategies, and collaborating with product teams on AI-powered features. The ideal candidate has 3–6 years...

Harnham

Bristol

Senior AI/ML Engineer – Fully Remote (Crypto Analytics)

A blockchain analytics company is seeking a Senior AI / ML Engineer to design and maintain AI models analyzing blockchain data. The ideal candidate has 3-6 years of experience in Data Science or ML Engineering, strong Python skills, and an interest in blockchain or fintech. You will work remotely and...

Harnham

Manchester

Senior AI/ML Engineer – Fully Remote (Crypto Analytics)

A blockchain analytics company is seeking a Senior AI / ML Engineer to enhance its AI capabilities for crypto data. This fully remote position requires 3–6 years of Data Science or ML Engineering experience, along with strong Python skills. The role involves designing AI/ML models, translating data into insights, and...

Harnham

Birmingham

React Native Engineer – Crypto Platform (London)

An innovative crypto start-up in London is seeking a React Native Engineer to contribute to cutting-edge development. The ideal candidate must have strong experience with React Native and should have successfully shipped multiple apps into production. Additional experience in Swift, Kotlin, Flutter, or Objective-C is desirable. Join a pioneering platform...

TechChain Talent

City of London

Cryptography Infrastructure Engineer

We are looking for a Cryptography Infrastructure Engineer to join a financial services client based in Sheffield. There will be a requirement to be in the office once every two-weeks. The contract is also inside IR35. The Role The objective will be to support the Cryptography team who are responsible...

Talent Smart Limited

Ashbourne

Lead Software Engineer - Mobile Development (Crypto Wallets) - 100% remote

Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether...

Tether Operations Limited

London

Senior Backend Engineer: DeFi Trading (Rust/Python)

A leading crypto-native platform in Ashton-under-Lyne seeks a Senior Backend Developer to build and maintain backend services and public APIs using Rust and Python. This role involves direct interaction with EVM smart contracts and contributing to a high-performance DeFi trading infrastructure. The ideal candidate will have 3-4+ years of experience...

Jobster

Ashton-under-Lyne