Top Tech Jobs & Startup Jobs in London

6 Hours AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Professional Services • Software • Consulting
Lead complex fintech software delivery projects for clients, coordinating distributed engineering, QA, BA, SRE, product, consulting, and client teams. Own integrated plans, backlogs, dependencies, risks, releases, governance, budgets, resourcing, and stakeholder communications. Drive Agile delivery, testing, operational readiness, continuous improvement, team development, client commitments, and commercial forecasting.
Top Skills: Agile
Reposted 14 Days AgoSaved
In-Office
London, Greater London, England, GBR
Entry level
Entry level
Fintech • Professional Services • Software • Consulting
Design, develop, debug, and operate Java-based distributed systems using replicated state machines. Evolve messaging protocols and software libraries, improve correctness and performance through testing, benchmarking, measurement, and profiling, and contribute to architecture and product decisions. The role also involves code reviews, technical collaboration, stakeholder communication, and knowledge sharing. Experience with low-latency systems, financial protocols, cloud platforms, Kubernetes, or build automation is beneficial.
Top Skills: Aeron SequencerAWSAzureCC++Distributed SystemsEmsFixGCPGithub ActionsGradleItchJavaKubernetesMessaging ProtocolsOmsReplicated State MachinesSoftware Libraries
Reposted One Month AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Professional Services • Software • Consulting
Develop and enhance automated testing strategies across unit, component, integration, system, and end-to-end levels. Design test plans, investigate defects, perform exploratory and performance testing, and improve CI/CD pipeline reliability. Collaborate with QA, development, DevOps, and business teams to expand coverage, improve quality practices, and validate distributed systems. Build containerized test environments, use observability and chaos testing, and promote a culture of shared quality ownership.
Top Skills: AWSBddCi/CdDistributed Pub/Sub MessagingDockerGoogle Cloud PlatformJavaKanbanKubernetesAzureObservability And Monitoring PlatformsOpenshiftScrumStatic Code AnalysisTdd
One Month AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Professional Services • Software • Consulting
Design, build, and optimize high-performance, low-latency Java services and protocols for exchange, matching-engine, and trading infrastructure. Develop order, session, instrument, and account models; create automated testing and benchmarking strategies; diagnose production issues; and support deployments. Collaborate with clients, SREs, QA, and leadership to deliver production-ready, observable systems and communicate technical trade-offs clearly.
Top Skills: AeronAWSChronicleFixGCPItchJavaKubernetesLbm
Reposted 2 Months AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Professional Services • Software • Consulting
Serve as a technical bridge between product and engineering to define and document functional and non-functional requirements, shape backlog and deliverable stories, contribute to architecture discussions, and ensure solutions meet performance, scalability and QA expectations in an Agile/Kanban environment.
Reposted 2 Months AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Professional Services • Software • Consulting
Lead technical business analysis for complex front-office fintech platforms: shape and document functional and non-functional requirements, drive backlog and acceptance criteria, collaborate with engineering/QA/architecture, simplify complex designs into deliverable stories, and support delivery, testing and operational readiness in Agile/Kanban environments.
Top Skills: AgileBusiness-Driven DevelopmentDistributed SystemsDomain-Driven DesignKanbanPerformance And ScalabilityResilience And AvailabilityState Machine Replication
2 Months AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Professional Services • Software • Consulting
Design, develop and maintain Java server-side applications and libraries for high-performance, distributed trading systems. Contribute to protocol and library design, write clean test-driven code, benchmark and profile components, troubleshoot production issues, participate in code reviews, and pair with teammates to deliver reliable, high-performance messaging infrastructure.
Top Skills: AeronAgileArtioFixHydraJavaMessaging ProtocolsTest-Driven Development
Reposted 2 Months AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Professional Services • Software • Consulting
The Solution Engineer at Adaptive will design and deliver advanced technology solutions for capital markets while mentoring and leading a technical team.
Top Skills: AeronJava
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