protocol

About usAave Labs began with a simple question: how do we make financial services like borrowing, saving, and earning more accessible globally?We built the Aave Protocol, now the world\'s largest and most trusted onchain lending market, connecting decentralized finance with individuals, traditional finance, and fintech.Today, we build trusted, high-quality...

Keysight Technologies SAles Spain SL. is seeking a professional to work closely with R&D 3GPP Protocol Development teams to integrate 5G and pre-6G features. The ideal candidate will have strong expertise in 3GPP LTE / NR protocols and experience in multi-site environments.This role involves supporting UE and base station emulation, designing tests to...

Solytics Partners is a Global Analytics firm, recognized with multiple industry awards for innovation and excellence. Our team comprises experts with deep domain knowledge in risk, analytics, AI/ML, AML/FCC, and fraud. By converging this expertise with cutting‑edge technologies like AI, Machine Learning, Generative AI, and Large Language Models (LLMs), we...

About Matter Labs Matter Labs builds private settlement infrastructure that lets regulated institutions settle directly with each other without exposing data, ceding control, or waiting days. Global finance moves $4 quadrillion a year on systems designed for paper and telex. The institutions that built them - from clearing houses to exchanges to the world's...

Backend QA Automation Engineer (Java), FIX protocol- Exchange, Clearing & Instrument Management- Belfast At a Glance 3+ years' QA/test automation experience, ideally within financial services, ideally with current, hands-on Java Core stack: Java, Spring, Cucumber, SQL, FIX, with Playwright and JUnit for UI and unit-level automation Full-time, in-person...

Ashdown Group is seeking a C++ Software Engineer to join a growing software solutions provider serving Aviation and Military sectors. You will contribute to critical, high-integrity systems from our South West London site and shift to a hybrid pattern with 2/3 office days.The role focuses on delivering features for messaging products, debugging issues, and...

Parexel is seeking an experienced Biostatistician to lead research design, analytical strategies and the statistical deliverables on complex studies. You will author and review SAps, reports, abstracts and manuscripts while guiding a team of statisticians.As a functional study lead, you will coordinate with global teams, ensure high quality statistical...

Hybrid About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online...

Nokia is seeking a Radio Research and Standardization Specialist in Cambridge to lead 6G research and standardization efforts. You will drive innovation in radio interface design and shape resource management requirements. This role includes being a key technical contributor and 3GPP representative, ensuring alignment with Nokia’s research agendas.The...

Protocol OfficerClosing Date: 30 October 2026The Royal Hospital Chelsea is an historic institution and home to the iconic Chelsea Pensioners. Since 1692, we have provided care, comradeship, and support to veterans of the British Army. Today, we are a unique community where heritage, innovation, and excellence come together to make a meaningful difference to...

A leading wireless communications company is seeking a Wireless Software Engineer (5G) in London with a hybrid working model. The role involves developing protocol stack software across next-generation wireless platforms. Ideal candidates will have strong experience in C/C++ development, an understanding of wireless protocol stacks (L1–L4), and knowledge...

Neo4j is seeking a software engineer to join the Core Networking Engineering Team, focusing on the Neo4j network server modules and its binary protocol. You will influence connectivity direction with the drivers alongside product managers and implement designs in the server codebase.We value deep understanding of network concepts, experience with Java and...

Neo4j is seeking a software engineer to join the Core Networking Engineering Team. You will work on the Neo4j network server modules, drivers, and binary protocol Bolt, shaping connectivity with Neo4j and drivers. Expect design leadership, implementation work, and chances to engage with the community.The role emphasizes 5+ years in Java, network development,...

Cloudflare in London, UK (Hybrid) seeks skilled engineers to help build and operate internet-scale infrastructure. You’ll terminate HTTP and TLS at scale, migrate core infrastructure from NGINX to a next-gen Rust proxy, and measure protocol performance on real traffic.You’ll thrive on tough problems, learn deeply, and contribute to open standards while...

Aave Labs seeks a Protocol Security Researcher to strengthen its internal protocol security function in London. You will work at the intersection of smart contract security, protocol design, adversarial research, and AI-assisted review to assess major changes before deployment.You will maintain security context across deployed systems, reason about risks...

Solytics Partners Careers in Greater London is seeking a Senior FIX Protocol Developer to join their Front Office Market Connectivity team. This role focuses on designing and maintaining FIX-based connectivity for exchanges and brokers, with a strong requirement for expertise in C#/.NET and electronic trading. Ideal candidates will have 8+ years of relevant...

Octagon Group in Southampton is seeking an experienced Embedded Software Engineer to work on complex, technology-led products. You will develop, maintain and test embedded software across product ranges, collaborating with software, FPGA and SoC teams.The role requires 3+ years in embedded software, strong C++ skills, and a degree in Electrical/Electronic...

Ocho People Ltd. seeks a Backend QA Automation Engineer (Java) in Belfast to own backend quality across Exchange, Clearing and Instrument Management systems.You will extend the Java-based automation framework, implement tests for FIX protocol and UI layers with Playwright, and work with Product and Engineering to ensure performance and security in a...

Morgan McKinley is partnering with a fast-growing Web3 protocol studio in London to recruit a Senior Web3 & Smart Contract Developer. You will architect secure, gas-efficient protocol contracts and oversee mainnet deployments across EVM and Solana ecosystems.The role requires Solidity or Rust production experience, DeFi primitives, and collaboration with...

Alimentiv in London, UK seeks an experienced Medical Writer to provide regulatory content creation, review, and coordination for protocols, ICFs and CSRs. You will liaise with authors and external experts to translate data into publication-ready documents on tight timelines.The role requires 3–5 years in medical writing, with GCP/GDPR/HIPAA training and...