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    Senior Full-Stack Engineer

    Technology
    Tria
    Sussex, Worthing
    Permanent
    Competitive
    On-Site

    Job Description

    Position: Senior Full-Stack Engineer

    Location: Hybrid - 2 office days per week (Worthing area)

    Employment Status: Full-Time, Permanent

    Package: 65k- 75k + Benefits

    Industry: SaaS

    Tria has partnered with a leading SaaS company to hire a Senior Full-Stack Engineer. The company are creating a new modern, cloud-native SaaS product and require a Senior Full Stack Engineer to work alongside the CTO, setting technical direction and owning decisions for their web/SaaS products.

    The company require the following experience:

    • Good experience in web engineering (web-tech).

    • Proven experience in setting technical direction/leading architectural solutions.

    • Good hands-on experience full-stack coding in .NET / C# and a modern front-end framework with TypeScript (React, Angular or Vue).

    • Good experience working with AI - experience building AI into a Product - designing LLM-backed features (retrieval, semantic search, agents).

    • Experience motivating, inspiring and influencing other engineers.

    The position is hybrid, with 2 days required in the office. If you feel you have the required experience, then please apply ASAP with an up-to-date CV which showcases your experience in the above areas.

    Full-Stack Engineer, .Net, C#, Typescript, React, Angular, Vue, AI, LLM, Web Engineering, Webtech, Web Technology, Azure, Architecture

    Posted on October 4, 2026

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