Senior Software Engineer

The Portfolio Group; United Kingdom; On-site; GBP 60,000 - 80,000; Full time

Job summary

A recruitment agency seeks a Senior Software Engineer in London to build scalable tools used across various industries. You will develop robust backend services and responsive user experiences utilizing React, NodeJS, and NextJS. The ideal candidate has proven experience with React, understands microservices and CI/CD practices, and possesses an agile mindset. This role emphasizes collaboration and mentorship, ensuring a hands-on approach to innovation and best practices in software delivery.

Qualifications

• Proven experience working with React.
• Strong understanding of microservices, CI/CD, and DevOps practices.
• Confident writing performant frontend code.
• Agile mindset with excellent communication skills.

Responsibilities

• Build and maintain scalable, secure applications.
• Write clean, test-driven code focusing on performance.
• Collaborate across teams for iterative improvements.
• Lead innovation and continuous delivery best practices.
• Support and mentor others while remaining hands-on.

Skills

Experience with React

Understanding of microservices

CI/CD practices

Agile mindset

Problem-solving abilities

Job description

We're looking for a Senior Software Engineer to join a growing team building smart, scalable tools used by professionals across a range of industries. You'll work onsite in London, helping shape robust backend services and responsive user experiences using React, NextJS and NodeJS.

What You'll Do

• Build and maintain scalable, secure applications, modern architectural patterns
• Write clean, test-driven code with a focus on performance and usability
• Collaborate across teams to deliver iterative improvements
• Lead on innovation and continuous delivery best practices
• Support and mentor others while staying hands‑on with the tech

What We're Looking For

• Proven experience working with React
• Strong understanding of microservices, CI/CD, and DevOps practices
• Confident writing performant frontend code
• Agile mindset with excellent communication skills
• Enthusiastic about solving problems and sharing knowledge

Nice to Have

• Experience with Drupal 7
• Familiarity with serverless architectures, quality engineering, or modern frontend frameworks

Portfolio Payroll Ltd is acting as an Employment Agency in relation to this vacancy.