Key Highlights
Job Title: Full-Stack Software Engineer
Location: Gateshead, hybrid working
Reporting to: Engineering Lead
Salary: Up to £60k DOE
SaleCycle is redefining how brands convert, engage, and retain customers through AI-driven experiences across the entire customer journey.
SaleCycle combines real-time onsite personalisation and intent scoring with offsite activation across email, SMS, and paid channels, enabling brands to identify, engage, convert, and re-engage customers with precision.

What We Do

We provide a full-funnel Agentic Marketing Platform, combining:
Real-time behavioural analytics and intent scoring
AI-powered search, recommendations, and agentic decisioning
Onsite personalisation and A/B testing
Cross-channel activation (email, SMS, paid media)
CRM/CDP integrations and first-party data orchestration
Retail media and monetisation capabilities

Who we are

We are a global team of 80+ people across the UK, France, Spain, Italy, and Eastern Europe.

We are profitable, growing, and operating with a clear mindset:

We build, not maintain
We prioritise outcomes over activity
We operate with low ego and high accountability
We challenge ourselves to step outside our comfort zone

Our Values

At SaleCycle, we care about people; it’s our top priority. We prioritise well-being, growth, and innovation, continuously pushing boundaries as a team and a company.

Continuous Innovation: Collaborate, innovate, and celebrate!
Premium Execution: Excellence Delivered Every Time!
High Curiosity: Embrace your inner child - ask why and listen!
Proactive Collaboration: United, we work together and lead the way!
Ultimate Passion: Infuse passion into every action!

Job Summary

As a Full-Stack Software Engineer, you'll join a highly collaborative, agile, empowered product delivery team building the SaleCycle platform that powers AI-driven personalisation, intent scoring, and cross-channel activation for e-commerce brands.

This is a full-stack role for someone who wants genuine full-stack range rather than staying purely on one side of the stack. You’ll work primarily in your strongest language, shipping features end to end across our React front end and our C#/.NET and Go backend services, with real opportunity to grow into our other core languages over time.

We’re flexible on the exact combination. What matters most is the shape: real depth on one side of the stack, solid hands-on experience on the other, and a genuine curiosity to keep learning, comfortable being a generalist rather than a specialist. We’re open to candidates matching any of these profiles:

Profile A - Strong C#/.NET background, hands-on experience with React/TypeScript, and keen to learn Go
Profile B - Strong Go background, hands-on experience with React/TypeScript, and keen to learn C#/.NET
Profile C - Strong React/TypeScript background, working knowledge of C#/.NET or Go, and keen to deepen your backend skills

You’ll be joining a small, cross-functional engineering team spanning France and the UK, in an engineering organisation that is still taking shape following the SaleCycle × BEYABLE merger, a great opportunity to influence how we build, not just what we build.

Key Responsibilities

Shipping features end-to-end across our stack: React/TypeScript front end, C#/.NET and Go backend services
Designing and building services and APIs within a multi-tenant SaaS architecture serving e-commerce customers at scale
Building clear, responsive UI that surfaces analytics, intent scoring, and decisioning outputs to our brands and internal teams
Working across the API boundary to shape clean, well-documented contracts between front-end and backend services
Growing your skills in the languages outside your current comfort zone, with support and pairing from the team
Writing clean, maintainable, and efficient code following industry best practices (e.g., SOLID principles, testable design)
Collaborating within an agile, Scrum-driven team, participating in sprints and planning sessions
Contributing to automated testing, CI/CD pipelines, and monitoring of production systems
Engaging in peer code reviews and sharing knowledge across our France and UK teams

Essential Skills & Experience

Around 6 years of professional software engineering experience
Deep, hands-on expertise on one side of the stack in production: C#/.NET or Go on the backend, or React/TypeScript on the frontend
Solid, hands-on experience on the other side: React/TypeScript for backend-led profiles, C#/.NET or Go for frontend-led profiles
Genuine interest in working across the stack and learning new languages
Comfortable in a fast-moving, still-forming engineering organisation post-merger
A pragmatic, delivery-focused mindset, comfortable with ambiguity and evolving standards
Familiar with git or other distributed source control systems

Nice to Have

Experience building or operating multi-tenant SaaS systems
Familiarity with cloud platforms, ideally Azure or GCP
Interest in AI-assisted development workflows (coding agents, LLM tooling)
Exposure to AI/ML-powered products: personalisation, recommendation engines, or A/B testing platforms
Experience with Docker and containerised environments
Familiarity with operating in an ISO 27001-certified environment

Perks & Benefits

We value our employees at SaleCycle, so we offer great benefits and incentives in addition to a competitive salary. Please note benefits may vary by country.

Flexible hybrid working

25 days annual leave + public holidays + your birthday off

Health Cash Plan

Employee Assistance Program (EAP), including 24/7 GP access

Life Insurance

Up to 5% matched pension contribution

Tech & Cycle to Work salary sacrifice schemes

Annual company meet-up

Monthly social fund

Enhanced parental leave

Volunteering Days

Long Service Awards

Support & Equal Opportunities

If you have a medical condition or require adjustments to our process, let us know so we can support you and ensure you have the best possible interview experience.

We are an equal opportunities employer and value diversity. We do not discriminate based on race, religion, gender, nationality, sexual orientation, marital status, disability, or age.

Interested? Apply now!

We’d love to hear from you! If you’re excited about this opportunity and want to be part of a fast-moving, innovative team, apply today.

Full-Stack Software Engineer

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