Senior Full Stack Web Engineer

Senior Full Stack Web Engineer - Crypto role at Keyrock About Keyrock Since our beginnings in 2017, we've grown to be a leading change‑maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with over 200 team members around the world, hailing from 42 nationalities and spanning DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, Singapore and Paris, and host regular online and offline hangouts. We are trading on more than 80 exchanges and work with a wide array of asset issuers. As a market maker, our expertise spans market making, options trading, high‑frequency trading, OTC and DeFi trading desks, as well as digital asset management. Keyrock is expanding to become a full‑service financial institution through innovative and inorganic growth. We’re pioneers in adopting Rust for algorithmic trading systems, champion its use in the industry, support Web3 startups via our Accelerator Program, and inject liquidity into promising DeFi, RWA, and NFT protocols. We actively build the future of digital assets. Mission Statement We are seeking a Full Stack Web Engineer with strong UI/UX sense and a proven track record in financial services. Experience in crypto or digital assets is highly valued. You will build end‑to‑end product features—from data models and APIs to interactive, high‑performance interfaces—delivering tangible business value. A product mindset, technical pragmatism, and a collaborative spirit are essential. Job Description Deliver end‑to‑end product features—from backend APIs and data models to engaging, responsive UI components. Review and validate scalable software architectures, ensuring maintainability, reliability, and secure integrations across all layers. Champion engineering practices: code reviews, automated testing, documentation, and CI/CD workflows. Optimize performance across the stack through debugging, profiling, and system tuning. Collaborate with product and engineering teams to translate business and user requirements into elegant solutions. Maintain operational hygiene: clear documentation, smooth migrations, and predictable deployments. Explore and share emerging technologies, with interest in Rust, WebAssembly, and modern API frameworks. Background and Experience Proven experience building full‑stack web applications with strong frontend and backend principles. Proficiency in modern frontend frameworks (Vue, React, or similar) and component libraries such as Shadcn. Experience developing robust backend services, ideally using Rust, or familiarity with typed backend languages. Solid understanding of HTTP, RESTful API design, and performance optimisation. Hands‑on experience with relational and/or NoSQL databases, schema design, and query optimisation. Familiarity with Git‑based workflows, continuous integration, and automated testing practices. Strong debugging, problem‑solving, and analytical skills. Product‑oriented mindset, balancing quality, speed, and user impact. Excellent collaboration and communication skills with a proactive attitude. Preferred Qualifications Exposure to data‑intensive, governance‑driven, or fintech/crypto applications; curiosity for Rust or distributed systems. Knowledge of secure coding practices, authentication/authorization models (OAuth2, OpenID Connect). Familiarity with data visualisation libraries (D3.js, Recharts, etc.). Experience with observability stacks (Grafana, Prometheus, Loki, Faro, Datadog) and comfort instrumenting metrics, logs, and traces. Ability to design applications with self‑observability in mind (health endpoints, tracing IDs, telemetry propagation). Exposure to Kubernetes, containerised environments, and Helm‑based deployments. Understanding of CI/CD pipelines (GitLab CI) and infrastructure‑as‑code workflows. Experience with cloud‑native environments (AWS, GCP, Azure) and security‑first design. Comfort working with financial datasets, trade logs, or analytics dashboards. Experience handling sensitive or regulated data, ideally in financial or crypto contexts. Our Offer A competitive salary package. Autonomy in time management with flexible working hours and remote opportunities. Freedom to create your own entrepreneurial experience as part of a high‑performing team. As an employer, we are committed to building a positive and collaborative work environment. We welcome employees of all backgrounds and hire, reward, and promote based on merit and performance. Due to the nature of our business and external requirements, we perform background checks on all potential employees; passing which is a prerequisite to join Keyrock. Referral program : Referrals increase your chances of interviewing at Keyrock by 2×. #J-18808-Ljbffr