🚀 Senior Software Engineer / Tech Lead (x5 Roles) – Go, PHP, OOP, AWS, APIs, Full Stack Engineering
Award-Winning, High-Growth SaaS Scale-Up | Remote UK | £67,000–£90,000 + Exceptional Benefits
Areti Group – Carbon Positive Tech Recruitment | People & Planet Before Profit 🌳
About the Opportunity
We are hiring five exceptional Senior Software Engineers / Tech Leads for one of the UK's fastest-growing technology scale-ups.
Following significant growth and investment, the business is embarking on a major platform evolution programme, transitioning from a mature PHP-based architecture towards a modern, scalable, cloud-native ecosystem built around Go, APIs, distributed services, and event-driven architecture.
This is a rare opportunity to help shape the future technical direction of a highly successful SaaS platform used by global organisations.
We're looking for engineers who enjoy solving complex problems, influencing architecture, mentoring teams, and remaining hands-on with technology.
The Opportunity
These roles sit at the heart of the engineering organisation.
You'll lead technical delivery while helping drive a strategic technology transformation, modernising existing systems and building the next generation of products and services.
This role combines:
🌳 Hands-on software engineering
🌳 Technical leadership
🌳 Architectural ownership
🌳 Mentoring and coaching
🌳 Cloud-native platform development
🌳 Full-stack product delivery
You'll work closely with Engineering, Product, Platform, and Architecture teams to build highly scalable solutions capable of supporting continued rapid growth.
What You'll Be Doing
🌳 Leading and mentoring teams of talented software engineers
🌳 Driving engineering best practices around Object-Oriented Design, SOLID principles, clean architecture, and maintainable code
🌳 Designing and building scalable APIs and backend services
🌳 Helping evolve a large PHP platform towards modern Go-based microservices
🌳 Contributing across the full stack, from backend services through to customer-facing applications
🌳 Influencing technical strategy, architecture, and platform direction
🌳 Working closely with Product teams to deliver business-critical features
🌳 Supporting CI/CD, cloud infrastructure, observability, and platform reliability initiatives
🌳 Taking ownership from concept through design, development, testing, deployment, and ongoing optimisation
🌳 Playing a key role in hiring and developing future engineering talent
Technology Environment
We're specifically seeking polyglot engineers who are comfortable working across multiple languages and technologies.
Core Technologies
🌳 Go (Golang)
🌳 PHP
🌳 REST APIs & Service-Oriented Architecture
🌳 Object-Oriented Programming (OOP)
🌳 AWS Cloud Platform
🌳 MySQL / PostgreSQL
🌳 Docker & Containerisation
🌳 CI/CD Pipelines
🌳 Git & Modern Development Practices
Front-End Technologies
🌳 JavaScript / TypeScript
🌳 Vue.js, React or modern SPA frameworks
🌳 HTML5
🌳 CSS / Tailwind
Bonus Experience
🌳 Event-Driven Architecture
🌳 Kafka, RabbitMQ or messaging systems
🌳 Kubernetes
🌳 Terraform / Infrastructure as Code
🌳 Distributed Systems
🌳 Domain-Driven Design (DDD)
🌳 Observability and Monitoring
About You
We're less interested in job titles and more interested in engineering mindset.
You'll likely be:
🌳 A strong software engineer with deep OOP and design pattern experience
🌳 An advocate of clean code and engineering excellence
🌳 Comfortable working across both backend and frontend technologies
🌳 Experienced building and consuming APIs at scale
🌳 A polyglot developer who enjoys working across multiple languages
🌳 Interested in modern Go development and platform engineering
🌳 Experienced with PHP and excited by large-scale transformation programmes
🌳 Comfortable influencing architecture and technical decisions
🌳 A natural mentor who enjoys helping engineers grow
🌳 Passionate about building scalable, maintainable software
What Success Looks Like
In your first 12 months you'll help:
🌳 Accelerate the migration towards Go-based services
🌳 Modernise key areas of the existing PHP platform
🌳 Improve scalability, resilience, and performance
🌳 Drive API-first engineering practices
🌳 Enhance cloud-native capabilities within AWS
🌳 Support engineering teams through the next stage of platform growth
🌳 Raise technical standards across the organisation
Package & Benefits
🌳 £67,000–£90,000 depending on experience
🌳 Remote-first working
🌳 £1,000+ annual learning and development budget
🌳 33 days holiday rising to 40 days
🌳 4-week paid sabbatical after 5 years
🌳 Private healthcare
🌳 Income protection
🌳 Death-in-service cover
🌳 Matched pension contribution up to 5%
🌳 Innovation Weeks twice per year
🌳 20 hours paid volunteering leave
🌳 Flexible working arrangements
🌳 Inclusive, collaborative engineering culture
Working Model
🌍 Remote-first across the UK
🌳 Flexible hours around a 37.5-hour week
🌳 Occasional team collaboration days
🌳 High trust, high autonomy environment
🌳 Outcomes over presenteeism
Immediate Hiring
Interview slots are already reserved for strong candidates.
Please ensure your CV clearly demonstrates:
🌳 Golang and/or PHP expertise
🌳 Object-Oriented Design principles
🌳 API development experience
🌳 AWS cloud experience
🌳 Full-stack engineering capability
🌳 Technical leadership or mentoring experience
🌳 Architectural ownership and decision-making
Why This Role?
These roles are incredibly urgent, with interview slots pre-booked for next week. We are moving fast, and suitable candidates can expect offers within 3 days of interviews. This is an exciting opportunity to join one of the most forward-thinking companies in the market.
If you're a polyglot fullstack developer ready to take on new challenges, eager to learn, and passionate about technology and teamwork, we want to hear from you.
🌳 Areti Group – Climate Positive Tech Recruitment 🌳
We’re on a mission to put people and the planet first, leaving the world better than we found it.