Senior Software Engineer

The Portfolio Group; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A recruitment agency is seeking a Senior Software Engineer to join a dynamic team in London. The successful candidate will develop scalable and secure applications, primarily using React. Responsibilities include writing clean, test-driven code, collaborating with cross-functional teams, and leading innovation in a hands-on role. Candidates should have proven experience with microservices and CI/CD practices, along with strong problem-solving skills. This is an exciting opportunity for those enthusiastic about building smart tools for diverse industries.

Qualifications

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

Responsibilities

• Build and maintain scalable, secure applications using modern architectural patterns.
• Write clean, test-driven code focusing on performance and usability.
• Collaborate across teams to deliver iterative improvements.

Skills

React

Microservices

CI/CD

DevOps practices

Agile mindset

Problem-solving

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 and NextJS.

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

INDLON

49904NB

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