Top Tech Jobs & Startup Jobs in London

Designs, deploys, and supports high-performance, low-latency networks and data center connectivity. Automates network configuration and observability using Ansible and Terraform, supports broader infrastructure, manages vendors and circuit providers, and plans data center work. The role requires coding ability, network and systems administration experience, routing and switching knowledge, Linux proficiency, firewall automation, troubleshooting skills, and familiarity with monitoring and testing tools.

Shape trader-facing fixed-income e-trading tools by translating trading workflows and business problems into product requirements. Partner with Product, Engineering, designers, developers, and traders across RFQ, pricing, venue connectivity, auto-negotiation, hedging, and execution. Identify edge cases, challenge assumptions, and validate features from discovery through delivery. The role requires substantial front-office fixed-income e-trading experience, particularly with electronically market-making trading desks, bonds, or interest-rate swaps.

Build and improve resilient fintech platforms in Java within a small, collaborative team. Responsibilities include pair programming, refactoring, extensive automated testing, continuous integration, test-driven development, behavior-driven development, domain-driven design, and process automation. The role emphasizes whole-system ownership, clear communication, continuous learning, and consideration of performance factors such as throughput and latency.

The Senior Sales Executive will sell API trading solutions to fixed-income and derivatives market clients, manage leads, acquire new business, and develop client relationships. Responsibilities include educating prospects, preparing tailored proposals, advising on technical options, and collaborating with pre-sales, engineering, product, and leadership teams. The role requires engaging senior decision-makers at banks and trading firms and meeting clients across Central Europe.

Build and improve resilient fintech platforms in Java within a collaborative, pair-programming team. Responsibilities include refactoring code, writing comprehensive automated tests, automating processes, and accounting for performance, throughput, and latency. The role uses trunk-based development, continuous integration, TDD, BDD, and DDD. Candidates need commercial Java experience, professional software development experience, TDD exposure, strong communication skills, and willingness to pair-program full time.

Build and automate provisioning for physical and cloud servers, networks, and switches; evolve continuous delivery pipelines; deploy software; and manage connectivity with hardware vendors, telecom providers, and financial institutions. The role requires coding, Ansible automation, systems administration, networking knowledge, and third-party vendor coordination.

Build and maintain resilient fintech platforms in Java within a small, collaborative team. Responsibilities include pair programming, refactoring, writing extensive automated tests, improving code design, automating repetitive tasks, and contributing to system-wide development. The role emphasizes trunk-based development, continuous integration, TDD, BDD, DDD, clean code, performance considerations, design discussions, and clear communication.