Senior Full-Stack Engineer at Applied Blockchain | London

Applied BlockchainLondon, England, United Kingdom

Hybrid Full-time

Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.

Experience Level

Senior

Qualifications

8+ years of professional software development experience.3+ years of hands-on experience with TypeScript, including Node.js and React. Strong experience in building and maintaining production systems. Able to thrive in a senior, autonomous engineering team. Strong communication skills and fluency in English. Hybrid work arrangement (Waterloo, London).

About the job

About the Role

We are seeking a talented Senior Full-Stack Engineer to become a vital part of our ongoing trading platform development for a major enterprise client. This system is critical to production, long-lasting, and continuously evolving, with a significant emphasis on performance, reliability, and maintainability.

While Applied Blockchain is recognized for its advancements in distributed ledger technology and cryptography, this position focuses on a non-blockchain trading system utilizing cutting-edge TypeScript-based technologies.

You will join a highly skilled team of senior engineers and QA developers, where autonomy, technical ownership, and thoughtful decision-making are paramount.

Your Responsibilities Include

Designing, developing, and maintaining features across the full stack of an internal trading platform.
Working primarily with:

TypeScript (Node.js & React)
Monorepo tooling, GitHub, GitHub Actions
Jest, Playwright
Redis, MS SQL, WebSockets
Docker, Kubernetes
Observability tools (Grafana, Prometheus, SonarQube)

Taking complete ownership of features from conception through to production.
Collaborating closely with platform/DevOps engineers on build pipelines, observability, and operational concerns.
Interfacing directly with clients to clarify requirements and propose effective solutions.
Contributing to and enhancing automated testing practices.
Participating in peer code reviews to maintain high engineering standards within the team.
Utilizing LLM/AI enabled development tools and techniques (with access to the latest OpenAI/Anthropic models) in everyday development.

Qualifications

8+ years of professional software development experience.
3+ years of hands-on experience with TypeScript, including Node.js and React.
Proven experience in building and maintaining production systems.
Able to work effectively within a senior, autonomous engineering team.
Excellent communication skills with fluency in English.
Hybrid work arrangement (London).

Preferred Qualifications

Familiarity with functional programming concepts or languages (e.g., OCaml, Haskell).
Prior experience in trading, finance, or real-time systems.
Strong understanding of DevOps and operational aspects (logging, metrics, automation).
London-based candidates preferred.
Willingness to participate in company/client events and travel as necessary.

Benefits

5 dedicated training days per year.
£1,000 annual training allowance (up to 50% for home workstation equipment).
Company-provided equipment and onboarding kit.
In-person team events every quarter.
Annual bonus based on company performance.

About Applied Blockchain

Applied Blockchain is at the forefront of distributed ledger technology and cryptography, delivering innovative solutions for various sectors. Our commitment to excellence emphasizes performance, reliability, and maintainability in all our projects.

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Senior User Researcher at Lyst | London

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Full-time|On-site|London, England, United Kingdom

Lyst is a cutting-edge global fashion shopping platform, initiated in London in 2010, serving over 160 million shoppers annually. We provide a vast selection of premium and luxury fashion items in one convenient location, showcasing collections from 27,000 leading brands and retailers worldwide. In 2025, Lyst formed a strategic alliance with Zozo, the operators of Zozotown, Japan's foremost fashion e-commerce platform. This collaboration signifies an exciting new chapter for Lyst as we enhance our vision and jointly leverage AI and technology to redefine the future of fashion shopping.At Lyst, our customer-centric approach drives us to enhance the search and discovery experience, ensuring it is inspiring, fulfilling, and personalized. We recognize the excitement of fashion yet understand that shopping for it can often be frustrating. Through the integration of technology, data, and creativity, we aim to elevate the shopping experience, offering greater joy, expanded choices, and minimized disappointments. Our mission is to empower fashion shoppers to make informed decisions while assisting fashion partners in reaching their ideal audiences as the premier destination for all fashion enthusiasts.The RoleWe are on the lookout for a Senior User Researcher to enhance the role of customer insights in shaping product strategies at Lyst.This position is hands-on, involving the execution of high-quality usability and opportunity research in close collaboration with product teams. The role also encompasses ownership of research enablement—establishing frameworks, tools, and methodologies that allow teams to operate more efficiently and alleviate bottlenecks.Key ResponsibilitiesDeliver Applied Research for Product TeamsPlan and conduct usability tests, interviews, and opportunity assessmentsUtilize platforms like UserTesting.com for rapid evaluative research that supports delivery teamsDesign and oversee surveys from start to finish, with proficiency in tools like SurveyMonkeyCollaborate with designers and product managers to define learning objectives early in the processTranslate findings into clear, actionable insights for product developmentEstablish Scalable Research FoundationsCreate and manage concise playbooks and templates for routine testingDevelop shared standards for quality, ethics, and consistency, coaching teams on their applicationPromote the adoption of consistent research practices to minimize reliance on centralized supportBuild Knowledge Systems and Insight RepositoriesMaintain effective knowledge workflows using tools like Notion or NotebookLLMDevise practical methods for capturing and reusing insights across teamsEmpower Teams Over TimeAssist teams in implementing safe and lightweight customer testing approachesMitigate bottlenecks by supporting others in mastering fundamental practicesSynthesize insights to ensure they accumulate rather than disperseCollaborate with Product Design by advising on prototype fidelity and testing preparedness, ideally with practical knowledge of research processes.

Mar 6, 2026

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Senior Applied AI Engineer

Lawhive

Full-time|On-site|London

About LawhiveAt Lawhive, we are committed to democratizing access to legal services. Our innovative online platform empowers consumers and small businesses to obtain legal assistance at a fraction of traditional law firm costs. We seamlessly integrate human expertise from regulated lawyers with our pioneering AI lawyer, designed specifically for consumer legal matters.We believe that equal access to legal resources is one of the most significant societal challenges today. Our mission is to level the playing field, ensuring that legal assistance is as accessible as essential utilities.Our AI lawyer, Lawrence, is powered by our proprietary fine-tuned LLM, which has successfully passed the UK bar exam equivalent.Supported by leading venture capital firms in the US and UK, including Google Ventures, Balderton Capital, and TQ Ventures, we recently raised $40M in Series A funding to bolster our international expansion and grow our dynamic team, marking one of the largest Series A rounds in Europe for 2024.The RoleWe are on the lookout for a Senior Applied AI Engineer to become a pivotal member of our AI Engineering & Infrastructure team. In this role, you will be instrumental in deploying our latest AI-powered features and services at scale, enhancing our infrastructure, and ensuring the robustness of our solutions in production. Collaborating closely with AI researchers, software engineers, and product teams, you will bridge the gap between state-of-the-art AI research and its practical applications.

Dec 11, 2025

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Applied Researcher (Product) - AI Safety Solutions

Apollo Research

Full-time|On-site|London

Application Deadline: We are actively interviewing candidates and seek to fill this position promptly with a suitable applicant. THE OPPORTUNITYBecome a vital member of our groundbreaking AGI safety product team and play a key role in transforming intricate AI research into actionable tools aimed at minimizing AI-related risks. In your role as an applied researcher, you will collaborate closely with our CEO (who also acts as Head of Product), product engineers, and the Evals team’s software engineers to develop solutions that enhance AI agent safety for our clients. Currently, we are concentrating on the oversight of AI coding agents to identify failures in safety and security. You will be part of a compact team, which allows you to significantly influence both team dynamics and technological approaches while quickly assuming greater responsibilities. This position is perfect for you if you have a fervent desire to employ empirical research methodologies to enhance the safety of AI systems in practical applications. If you relish the challenge of converting theoretical AI risks into tangible detection mechanisms, thrive in fast-paced environments, and are eager to see your research make a meaningful impact on real-world AI safety, then we would love to hear from you.KEY RESPONSIBILITIESResearch & Development- Collect and catalog coding agent failure modes systematically from real-world instances, public examples, research literature, and theoretical predictions.- Design and execute experiments to evaluate monitor effectiveness across various failure modes and agent behaviors.- Develop and maintain evaluation frameworks to track advancements in monitoring capabilities.- Refine monitoring strategies based on empirical findings, optimizing detection accuracy alongside computational efficiency.- Stay updated with the latest research in AI safety, agent failures, and detection methodologies.- Keep abreast of advancements in coding security and safety vulnerabilities.Monitor Design & Optimization- Create a comprehensive library of monitoring prompts tailored to specific failure modes (e.g., security vulnerabilities, goal misalignment, deceptive behaviors).- Experiment with various reasoning strategies and output formats to enhance monitor reliability.- Design and evaluate hierarchical monitoring architectures and ensemble approaches.

Dec 17, 2025

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Senior Full-Stack Engineer at Applied Blockchain | London

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About Applied Blockchain

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