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Sr. Software Engineer, Fullstack

3 weeks, 5 days ago
United Kingdom
Full-time
Senior
Software Engineer
Software Development
Microservices Node.js React Ruby Ruby on Rails Serverless TypeScript
Apply Now
Firstup

Firstup

Firstup offers an intelligent communication platform designed to engage employees throughout their entire employment journey, providing insights that help organizations support, promote, and retain their workforce effectively.

Professional Services
251-1K
Founded 2008
$47M raised
View All Jobs 12

Description

  • Build and own scalable SaaS applications end-to-end across frontend, backend, and data layers.
  • Write production-grade code that is reliable, readable, efficient, and testable.
  • Design future-ready system architectures and close technical gaps proactively.
  • Drive application availability, performance, and reliability by investigating and resolving issues across the stack.
  • Embed shift-left testing practices with unit, integration, and contract tests throughout the development lifecycle.
  • Use and advocate for AI-assisted development tools while maintaining accountability for code quality and correctness.
  • Lead high-quality code reviews, establish team best practices, and mentor other engineers.
  • Partner with Product and Design to translate requirements into intuitive user interfaces and make technical trade-offs.
  • Collaborate across engineering teams to solve complex, high-impact problems and improve engineering standards.

Requirements

  • Bachelor’s degree in Computer Science or a related field, or equivalent experience.
  • 5+ years of experience building reliable, performant applications and microservices in production environments.
  • Proven full-stack experience across frontend, backend, and database layers.
  • Technical depth in at least one area such as distributed systems, multi-tenant SaaS, application databases, networking, security, serverless, or event streaming.
  • Familiarity with Ruby on Rails, Ruby, TypeScript, Node.js, or React.js is a strong plus.
  • A polyglot mindset and willingness to adapt to evolving technologies.
  • Strong communication skills and comfort with collaborative idea-sharing across teams.
  • Genuine drive to build intuitive, customer-focused products.
  • Curiosity and desire to learn from others and teach and mentor teammates.

Benefits

  • Excellent PTO program.
  • Great health benefits.
  • Remote work.
  • Casual and friendly work environment.
  • Leadership team focused on personal and professional growth.
  • Opportunity to work in a high-growth, inclusive environment.
  • Equal employment opportunity commitment.

Interested in this position?

Apply directly on the company website

Apply Now

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