Blockchain Developer CGEMJP00314397

Experis - ManpowerGroup

London, England

8 months ago

Applications closed

Related Jobs

View all jobs

Quantitative Engineer

Blockchain.com London, United Kingdom

Infrastructure Security Engineer

Blockchain.com London, United Kingdom

Site Reliability Engineer - Core

Blockchain.com London, United Kingdom

Senior DevOps Engineer

Copper London, United Kingdom

On-site

Lead DevOps Engineer

Elliptic London, United Kingdom, United Kingdom

Hybrid

Senior DevOps Engineer

Elliptic London, United Kingdom, United Kingdom

Hybrid

Posted: 25 Sep 2025 (8 months ago)

Save job

Create job alert

Applications closed

Overview

Role Title: Blockchain Developer

Duration: contract to run until 31/12/2025

Location: London, Hybrid 3 days onsite per week

Rate: up to £483 p/d Umbrella inside IR35

Role purpose / summary

We are seeking a skilled EVM Besu(or similar blockchains) Developer to design, implement, and maintain decentralized applications (dApps) on the Hyperledger Besu platform. The ideal candidate will have deep expertise in Ethereum Virtual Machine (EVM), smart contract development, and blockchain architecture, with hands-on experience in Java and Solidity.

Key Skills / requirements

Develop and deploy dApps using Hyperledger Besu.
Write, test, and audit smart contracts in Solidity.
Integrate blockchain components with existing enterprise systems.
Collaborate with cross-functional teams to define blockchain use cases and solutions.
Optimize performance and scalability of blockchain nodes and networks.
Maintain and troubleshoot deployed applications and smart contracts.
Stay current with emerging trends in blockchain and Ethereum ecosystem.

Required Skills & Experience:

Strong proficiency in Java and Solidity.
Hands-on experience with Hyperledger Besu and EVM-based chains.
Deep understanding of blockchain architecture and decentralized systems.
Experience with smart contract development, testing, and deployment.
Familiarity with web3.js, Truffle, Hardhat, or similar frameworks.
Knowledge of cryptographic principles, gas optimization, and security best practices.
Experience with CI/CD pipelines, Docker, and Kubernetes is a plus.

Preferred Qualifications:

Bachelor's or Master's degree in Computer Science, Engineering, or related field.
Contributions to open-source blockchain projects.
Experience with enterprise blockchain integrations.
Familiarity with Ethereum Layer 2 solutions, Rollups, or Zero-Knowledge Proofs

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!

#J-18808-Ljbffr

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Apr 8, 2026

Products

Where to Advertise Blockchain Jobs in the UK (2026 Guide)

Advertising blockchain jobs in the UK requires a different approach to most technical hiring. The candidate pool is global in outlook but concentrated in specific communities — protocol engineers, smart contract developers, DeFi specialists and Web3 product leaders who move between roles through networks and community channels as much as traditional job boards. General job boards reach a broad audience but lack the specificity that blockchain professionals expect. Specialist platforms, crypto-native communities and targeted outreach each serve a different part of the market. This guide, published by BlockchainJobs.uk, covers where to advertise blockchain roles in the UK in 2026, how the main platforms compare, what employers should expect to pay, and what the data says about hiring across different role types.

Apr 5, 2026

Jobs

Blockchain Jobs UK 2026: What to Expect Over the Next 3 Years

Blockchain is creating jobs in places nobody predicted three years ago. What began as infrastructure for cryptocurrency is now embedded in financial services, supply chain management, digital identity, healthcare records, and the emerging architecture of tokenised assets. The roles being hired for today bear little resemblance to the developer-heavy, crypto-native job adverts that defined the sector's early years. For job seekers, this is both the complexity and the opportunity of building a blockchain career in 2026. The sector has matured beyond its speculative phase and into serious institutional adoption — and that shift has fundamentally changed what employers are looking for, where the jobs are, and which skills command a premium. The candidates who will thrive over the next three years aren't necessarily those who got in earliest or who can recite the Bitcoin whitepaper from memory. They're the ones who understand where enterprise blockchain, decentralised finance, digital assets regulation, and Web3 infrastructure are heading — and who are building their skills accordingly. This article breaks down what the UK blockchain jobs market is likely to look like through to 2028 — covering the titles emerging right now, the technologies driving employer demand, the skills that will matter most, and how to position your career ahead of the next wave rather than behind it.

Mar 24, 2026

Jobs

New Blockchain Employers to Watch in 2026: UK and Global Companies Driving Web3 Careers

The blockchain and Web3 job market in the UK is evolving rapidly. After a period of volatility, the sector has entered a more mature phase—defined by institutional investment, real-world use cases, and infrastructure-led growth. For candidates exploring opportunities on BlockchainJobs.uk, the key shift is clear: the most exciting employers are no longer speculative crypto startups, but well-funded companies building the future of finance, payments, and digital assets. In this article, we explore the new blockchain employers to watch in 2026, focusing on companies that have recently raised funding, secured major contracts, or expanded into the UK market.