Top Tech Jobs & Startup Jobs in London

Designs, builds, and maintains production data pipelines using Microsoft Fabric, Python, and PySpark. Owns architecture, data modeling, CI/CD, reliability, troubleshooting, and technical decision-making. Collaborates with architects, product teams, and clients to translate requirements into robust solutions while mentoring junior engineers and improving engineering practices.

Lead the technical direction of client data engagements, designing Microsoft Fabric and Azure data platforms, pipelines, models, testing, CI/CD, and operational practices. Manage and technically guide data engineers while remaining hands-on with complex challenges, incident response, and troubleshooting. Translate client requirements into technical roadmaps, collaborate with stakeholders, and ensure high-quality, commercially sound delivery using Python, PySpark, SQL, and modern data architecture patterns.

Build scalable backend systems with Go and responsive frontends with React and TypeScript. Lead architecture and technical design, develop secure APIs, drive testing and engineering excellence, mentor engineers, and deliver client projects. The role also involves evaluating emerging technologies, implementing AI-enabled engineering practices, automating workflows, and collaborating with technical and non-technical stakeholders across discovery and delivery.

Lead architecture for a multi-region internationalisation programme across shared services and a flagship consumer app. Define regional isolation, data residency, cross-region data and Kafka replication, and repeatable region deployments using Kubernetes and Terraform. Review existing regional architecture, identify launch risks, guide multiple teams, manage stakeholders, and remain hands-on with Go, React, Cassandra, PostgreSQL, and Kafka systems.

Lead a client-embedded platform engineering team responsible for designing, operating, and evolving reliable AWS infrastructure. Build platform capabilities including federated identity, assess and prioritize platform improvements, translate requirements into auditable delivery plans, and establish foundations for future growth. The role includes team leadership, mentoring, incident management, stakeholder engagement, roadmap development, and work in regulated environments.

Build scalable Java backend systems using Spring, REST APIs, microservices, databases, messaging, Docker, and cloud platforms. Lead architecture and technical design, promote engineering excellence, mentor engineers, drive delivery, improve automation, and evaluate emerging technologies and AI capabilities. Collaborate with clients and cross-functional teams to deliver secure, resilient software with measurable business value.

Build and maintain high-quality mobile applications using Kotlin Multiplatform and Compose Multiplatform. Develop shared business logic and UI, integrate KMP modules with native iOS APIs, write tested and maintainable Kotlin code, and champion engineering best practices. Collaborate with engineering teams and client stakeholders in a self-led consulting environment while contributing to mobile architecture, code quality, testing, and potentially iOS App Store releases.

Build and maintain backend services and REST APIs using Java and Spring Boot. Write clean, tested code; work with relational and NoSQL databases; participate in code reviews; collaborate with senior engineers and product teams; and use Git-based CI/CD workflows to deliver features. The role includes mentorship, client collaboration, and occasional travel to client sites or company offices.

Design and maintain scalable backend systems using Kotlin and Spring Boot. Lead architecture and technical design, develop secure REST APIs, improve engineering quality through testing and automation, and guide delivery across multiple initiatives. Mentor engineers, collaborate with clients and cross-functional teams, evaluate emerging technologies and AI capabilities, and promote resilient, maintainable software practices.

Designs, builds, and evolves reliable AWS platform capabilities, including federated identity and complex integrations. The role assesses existing infrastructure, prioritizes platform improvements, translates requirements into auditable delivery work, and supports future platform expansion. It also owns incident management, on-call and post-incident processes, leads and mentors platform engineers, and communicates priorities to technical and business stakeholders in regulated environments.