Senior Software Engineer

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

Job summary

A growing technology company is looking for a Senior Software Engineer to join their team in London. You will be building scalable applications and focusing on performance using Node.js and Python. Ideal candidates have proven experience in both technologies along with an agile mindset. This role emphasizes collaboration and innovation in software development, offering a chance to make an impact in a dynamic environment.

Qualifications

• Proven experience in Node.js and Python.
• Strong understanding of microservices, CI/CD, and DevOps practices.
• Confident writing performant frontend code.

Responsibilities

• Build and maintain scalable, secure applications using Node.js and Python.
• Write clean, test-driven code with a focus on performance and usability.
• Collaborate across teams to deliver iterative improvements.

Skills

Node.js

Python

Agile mindset

Problem-solving

Communication skills

Job description

Overview

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 Node.js and Python.

What You'll Do

• Build and maintain scalable, secure applications using Node.js, Python, and 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 in Node.js and Python
• 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