Senior Full Stack Developer

Senior Full Stack Developer in Newcastle Upon Tyne (NE1), NE1 | Harvey Nash Find a job Post a job Sign up Tired of searching? Let’s find you the right jobs faster Get Started Search These jobs were popular with other job seekers Lead D365 Software Engineer DGH Recruitment City of London (EC1), EC1 £76000 - £80000 per annum 2 days ago Scala Developer SF Partners Admin Brompton, South West London (SW10) £75k - 85k per year + great benefits 2 days ago Software Engineer - .Net - Remote - £85,000 Ashdown Group Kingston Upon Thames (KT1), KT1 £85,000 22 hours ago NEW Principal Developer Sanderson Recruitment London Up to £600 per day + Inside IR-35 1 month ago Senior Software Engineer Northrop Grumman UK London 19 hours ago NEW Platform Engineer Teksystems South East 22 hours ago NEW Senior Platform Engineer Halian Technology Limited Ascot, Berkshire From £85,000 to £90,000 per annum with annual discretionary bonus 1 day ago Senior Python Developer Spectrum IT Recruitment Limited Southampton (SO14), SO14 £70000 - £75000 per annum + Bonus & Benefits 2 days ago Senior Software Engineer Raytheon London Negotiable 2 weeks ago Senior Platform Engineer Halian Technology Limited Camberley, Surrey From £90,000 to £95,000 per annum with discretionary bonus 1 day ago Senior Full Stack Developer Harvey Nash Newcastle Upon Tyne (NE1), NE1 Permanent Contract; On-site Published: 23 hours ago £85000 - £95000 per annum + bonus, pension, PMI Apply Save Senior Full Stack Developer Harvey Nash Apply Fantastic opportunity to join a thriving Financial Services business. What is the role? As a Senior Full Stack Developer, you will lead technically complex features, projects and services where requirements, architecture or implementation approaches are uncertain. You will turn ambiguous business problems into reliable technical outcomes across the firm's real-time, business-critical trading platforms and guide other engineers contributing to the work. You will provide independent technical leadership within the relevant domain, resolving ambiguity, making significant design decisions and coordinating other contributors while escalating decisions with material product-wide, regulatory, security or architectural consequences. The role combines hands-on work across C#/.NET, React, TypeScript, SQL Server, APIs and integrations with strong attention to security, resilience, performance, operability and long-term maintainability. You will act as a trusted technical adviser to Product and QA, work with Support on significant operational issues, and mentor and guide engineers contributing to complex work. The business offers the opportunity to solve difficult technical challenges across distributed, event-driven and real-time derivatives and structured-products trading systems. Key Responsibilities Design and Implementation * Deliver owned work from clarification and design through implementation, testing, release and production operation. * Design and implement maintainable changes across C#/.NET services, React and TypeScript user interfaces, HTTP APIs, integrations and SQL Server databases. * Apply proportionate engineering design and document material decisions, assumptions and trade-offs. Quality and Testing * Write and maintain appropriate unit, integration, API and front-end automated tests. * Use Git, Azure DevOps, build pipelines and CI/CD processes safely and consistently. Production and Operational Support * Diagnose application, integration and data issues using logs, monitoring, debugging and data analysis. * Improve monitoring, alerting, runbooks, documentation and operational readiness. Collaboration * Work with Product and Business Analysis to clarify outcomes, priorities and acceptance criteria. * Work with QA to define suitable coverage and with Support to investigate production issues. * Participate in design discussion and provide clear, constructive code-review feedback. * Communicate progress, dependencies, risks and blockers clearly and early. Technical Improvement * Identify technical debt, reliability risks and proportionate improvements to tools and practices. * Use approved AI-assisted engineering tools responsibly and remain accountable for the result. Coaching and Leadership * Lead complex changes from discovery and technical analysis through production operation. * Mentors and guide engineers contributing to complex work. Required Skill Set They primarily develop and support real-time trading systems using the technologies below: * C# and .NET * TypeScript and React * SQL Server and Entity Framework * HTTP APIs and integrations * RabbitMQ and SignalR * Azure DevOps and Azure services Essential * Deep practical experience designing, building and supporting production software using C# and .NET. * Strong full-stack capability across React, TypeScript, SQL Server and HTTP APIs. * Strong knowledge of object-oriented design, relational data modelling and automated unit, integration and front-end testing. * Experience delivering complex changes through Git-based source control, code review, Azure DevOps and CI/CD pipelines. * Ability to design services, APIs and integrations and reason about distributed, event-driven and real-time behaviour. * Strong capability in observability, diagnostics, incident investigation and failure-mode analysis. * Demonstrated ability to resolve ambiguity, make significant technical decisions and lead complex work without formal authority. * Understanding of security, performance, resilience, operability, data integrity and long-term maintainability. * Ability to mentor engineers and coordinate contributors across complex delivery. * Ability to explain commercial, operational and technical trade-offs to Product, QA, Support and engineering stakeholders. Desirable * Experience delivering or operating trading platforms, financial-services systems or other regulated, business-critical software. * Substantial experience with real-time, high-availability, low-latency or event-driven systems. * Strong practical experience with RabbitMQ, SignalR, Azure services or Entity Framework. * Experience with complex front-end workflows, market or reference data, observability and production incident leadership. Send your CV for more information Apply Harvey Nash Banking and Financial Services 27 Reviews Similar Senior Full Stack Developer Jobs Popular with Other Job Seekers Lead D365 Software Engineer DGH Recruitment City of London (EC1), EC1 £76000 - £80000 per annum 2 days ago Scala Developer SF Partners Admin Brompton, South West London (SW10) £75k - 85k per year + great benefits 2 days ago Software Engineer - .Net - Remote - £85,000 Ashdown Group Kingston Upon Thames (KT1), KT1 £85,000 22 hours ago NEW Principal Developer Sanderson Recruitment London Up to £600 per day + Inside IR-35 1 month ago Senior Software Engineer Northrop Grumman UK London 19 hours ago NEW Platform Engineer Teksystems South East 22 hours ago NEW Senior Platform Engineer Halian Technology Limited Ascot, Berkshire From £85,000 to £90,000 per annum with annual discretionary bonus 1 day ago Senior Python Developer Spectrum IT Recruitment Limited Southampton (SO14), SO14 £70000 - £75000 per annum + Bonus & Benefits 2 days ago Senior Software Engineer Raytheon London Negotiable 2 weeks ago Senior Platform Engineer Halian Technology Limited Camberley, Surrey From £90,000 to £95,000 per annum with discretionary bonus 1 day ago Senior Full Stack Developer jobs Senior Full Stack Developer jobs in Newcastle Upon Tyne IT jobs IT jobs in Newcastle Upon Tyne Software Development jobs Software Development jobs in Newcastle Upon Tyne Jobs in Newcastle Upon Tyne Junior Software Developer jobs Senior Engineering Manager jobs Full Stack Developer jobs Junior Developer jobs Senior Developer jobs Senior Devops Engineer jobs Junior Devops Engineer jobs Engineer Senior jobs Junior Full Stack Developer jobs Senior Engineer jobs Entry Level Developer jobs Junior Software Engineer jobs Junior Front End Developer jobs Senior Full Stack Net Developer jobs Senior Software Engineer jobs Senior IT Engineer jobs Get hired. 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