Top Tech Jobs & Startup Jobs

Owner of large-scale frontend architecture using React and Next.js; optimize performance, reliability, and data fetching for high-concurrency user flows. Lead end-to-end initiatives, design scalable frontend patterns, define client-server boundaries with backend/Solana teams, enforce quality and testing standards, and mentor other engineers.

Design, build, test, and deploy the core native Android app using Kotlin and Jetpack Compose. Implement pixel-perfect UIs from Figma, integrate Web3/crypto wallet features, enforce rigorous automated testing, optimize performance and memory, capture telemetry/analytics, and collaborate in an agile cross-functional team to drive product and architectural decisions.

Design and build real-time, low-latency distributed systems from concept to production. Own architecture, optimize performance, resolve complex failures, drive technical direction, and collaborate with product and business stakeholders.

Design, scale, and operate multi-region, high-availability cloud infrastructure; lead incident response and on-call rotations; build automation and tooling in Python/Go; enforce risk, security, and operational standards; mentor teams and drive infrastructure architecture decisions.

Design and implement high-performance Rust backend services and core infrastructure for an institutional-grade decentralized trading framework. Build and audit secure smart contracts for EVM environments, optimize sub-millisecond trading latency, and integrate privacy-preserving cryptography and TEEs into scalable distributed systems.

Senior Software Engineer to build and scale resilient, low-latency fintech platforms in Java. Responsibilities include pair-programming, continuous refactoring, authoring automated tests, operating in trunk-based CI, automating processes, rotating across teams, and optimizing performance and availability.

Lead the European finance function for a regulated crypto exchange, managing accounting, treasury, FP&A, regulatory reporting, tax, audits, and financial controls. Supervise and develop the regional finance team, streamline systems and processes, ensure compliance with CSSF and Luxembourg GAAP, and liaise with global offices, auditors, management, and the Board.

Design, deploy, and operate a secure, highly available distributed containerized fleet of single-tenant AI trading agents across a hybrid Railway and AWS environment. Build zero-touch IaC and CI/CD provisioning, manage Tailscale-based private networks, implement monitoring/alerting and automated incident response, preserve in-flight transaction state, and participate in on-call incident management for production financial systems.