Principal Software Engineer

Spectrum IT Recruitment; Greater London; On-site; GBP 60,000 - 100,000; Full time

Job summary

An established industry player is seeking a Principal Full Stack Developer to lead the creation of innovative B2B SaaS solutions. This role offers the opportunity to shape technology that powers customer-facing applications on a global scale. You'll work in a dynamic, agile environment, leveraging modern technologies like Node.js and Vue.js. Join a supportive team culture that values collaboration and growth, and make a meaningful impact in a fast-paced setting. If you're passionate about technology and ready to lead, this position is perfect for you.

Benefits

Supportive team culture

Opportunities for community engagement

Growth-oriented environment

Qualifications

• 10+ years of experience in software development.
• Strong experience with Node.js and Vue.js frameworks.

Responsibilities

• Lead technical design and prototyping for B2B SaaS products.
• Collaborate closely with Architecture and Engineering teams.

Skills

Node.js microservices

Vue.js

clean code practices

SOLID principles

system design

CI/CD environments

TDD/automated testing

version control best practices

large-scale SaaS platforms

collaboration and mentoring

Education

Degree in Computer Science

Job description

Spectrum IT Recruitment provided pay range

This range is provided by Spectrum IT Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from Spectrum IT Recruitment

IT & Tech Recruitment | SaaS, Data, AI, Cloud | UK, US, Europe

Are you an experienced Full Stack Developer ready to take a lead role in building cutting-edge B2B SaaS products? We're looking for a talented and passionate Principal / Lead level Full Stack Developer. You will help to shape and deliver the technology that powers dynamic, customer-facing applications used globally.

As a senior member of the team, you'll play a key role in technical leadership, from initial design and prototyping through to implementation and continuous deployment. Working with modern technologies including Node.js, Vue.js, Redis, SQL Server, and Snowflake, you'll collaborate closely with Architecture and Engineering leadership and be part of a fast-paced, agile environment that values innovation and speed.

What You'll Bring

• 10+ years of experience in software development
• Strong experience with Node.js microservices and modern front-end frameworks (preferably Vue.js)
• Commercial awareness in how systems design impacts user and business outcomes
• Proficiency in clean code practices, SOLID principles, and design patterns
• Proven experience designing systems for scale, security, and maintainability
• Familiarity with CI/CD environments, TDD/automated testing, and version control best practices
• Background in developing large-scale SaaS platforms
• Excellent collaboration, mentoring, and interpersonal skills
• Degree in Computer Science or equivalent professional experience

What's In It For You

• A forward thinking, technology lead environment.
• A supportive, inclusive, and growth-oriented team culture
• Opportunities to contribute to charitable initiatives and community events
• The chance to shape next-generation B2B products in a fast-moving environment

If you're a driven, experienced Full Stack Developer looking to make a meaningful impact while leading from the front, we'd love to hear from you.

Hit Apply now to start the conversation.

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Software Development

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