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Senior Software Engineer

Talmix

Talmix

Software Engineering
Cardiff, UK
Posted on Mar 18, 2026

Hi,

Senior Software Developer

United Kingdom ( 100% Remote)

5-12 Months

Client is seeking an accomplished and highly influential Senior Software Developer to join our E-commerce team in Central Europe. In this role, you will be a key part of improving

and extending our entire e-commerce platform—from warehouse integrations to frontend views and everything in between. You will act as a technical leader, driving the technical vision and

execution for complex, cross-functional initiatives that make healthcare and pet care solutions more accessible for everyone.

What You'll Do (Responsibilities)

Technical Execution & Architecture

  • Technical Implementation: Architect and build scalable solutions for services connected to our e-commerce platform, ensuring alignment with the broader technical

roadmap.

  • Problem Solving: Resolve complex, ambiguous technical issues across warehouse integrations and user-facing systems, acting as a technical subject matter expert for the

team.

  • System Design: Design coherent, multi-component solutions in collaboration with Product partners to ensure high-quality, intuitive user experiences.
  • Deployment Mastery: Lead the successful rollout of major features and take ownership of streamlining delivery pipelines through CI/CD and automation.
  • Operational Impact & Best Practices
  • Drive Efficiency: Improve team productivity by identifying and addressing technical debt and proactively automating repetitive manual tasks.
  • Monitoring & Reliability: Implement robust metrics, monitoring, and alerting for every project to ensure high system availability and performance.
  • Technical Discovery: Conduct research and spikes on new tools or third-party providers to help the team make data-driven "buy vs. build" decisions.

Collaboration & Technical Influence

Cross-Functional Alignment: Own technical initiatives from conception to delivery, effectively communicating technical constraints and trade-offs to non-technical

stakeholders.

Peer Mentorship: Provide technical guidance and thorough code reviews for Level 1–2 engineers, fostering high standards for code quality and maintainability.

Constructive Collaboration: Use clear, empathetic communication to navigate technical disagreements and build consensus within the engineering team.

What You Bring (Skills & Experience)

Demonstrated Seniority: 5+ years of relevant work experience as a full stack engineer with a proven ability to deliver complex software solutions to production.

Technical Breadth & Depth: Strong knowledge of our polyglot environment and core

tech stack:

Languages: TypeScript/JavaScript, Node.js.

Frameworks/API: Vue.js, Nuxt, and GraphQL-based APIs.

Infrastructure: AWS, Docker, and MySQL/PostgreSQL.

Architectural Fluency: A proven ability to create defect-free designs involving multiple interacting components and system boundaries.

E-commerce Expertise: Previous experience working with e-commerce products is considered a strong plus for this role.

Communication: Excellent verbal and written communication skills with a consultative and proactive approach to stakeholder management.