Backend Developer

Synthesized

Join Synthesized as a Backend Engineer (Kotlin) to enhance their AI-driven SaaS platform, supporting major organisations in software testing.

Last checked on June 14, 2026. We may earn a commission when you click through.

✓ Innovative company with strong market presence ✓ Focus on professional growth and career advancement ✓ Engaging work with major global clients

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Backend Developer

Synthesized

Updated 3 months ago

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London Hybrid £36–£60/yr Full-Time

For those passionate about backend development and AI, this position offers a compelling opportunity to shape technology for leading enterprises.

About this role

Join Synthesized as a Backend Engineer (Kotlin) to enhance their AI-driven SaaS platform, supporting major organisations in software testing.

About the Company

Synthesized is revolutionising software testing through AI, trusted by top firms including Deutsche Bank and UBS.

Key Highlights

✓ Competitive salary of £36K–£60K annually
✓ Opportunity to work with cutting-edge AI technology
✓ Hybrid work model for better work-life balance
✓ Focus on evolving a rapidly growing SaaS platform
✓ Collaborative environment with industry leaders

💡 Honest Take: This role is ideal for developers keen on AI and looking to make a significant impact in a growing company, though it may not suit those preferring remote work.

Pros

✓ Innovative company with strong market presence
✓ Focus on professional growth and career advancement
✓ Engaging work with major global clients
✓ Hybrid working options available

Cons

✗ Not a fully remote position
✗ Fast-paced environment may be challenging for some
✗ Potentially high-pressure demands due to growing customer base

Best For: Ideal for individuals with a strong background in Kotlin and a desire to work in a collaborative, innovative tech environment.

Watch Out: Be prepared for a rapidly evolving workload as customer adoption increases, requiring adaptability and quick learning.

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What Customers Say

Employees praise the innovative culture and strong leadership but note the fast-paced demands as a potential challenge.

Expert Review

The demand for backend developers is surging, particularly in AI-driven sectors. Synthesized is strategically positioned in this market, offering work with renowned clients like Deutsche Bank. Their focus on AI in software testing could be a game changer, making this a compelling role for tech enthusiasts.

With a salary range between £36K and £60K, potential candidates are looking at a competitive compensation package. The hybrid working model allows for flexibility, appealing to those who value work-life balance yet prefer some office interaction. However, the role demands resilience due to the fast-paced nature of their growth.

According to Synthesized's job listing, the backend developer will focus on scaling the control-plane of their SaaS platform, which suggests a significant level of responsibility and the need for strong problem-solving skills. This position about coding; it involves strategic thinking to enhance core services in a high-demand environment.

Candidates should be aware that while the role is engaging, it may not suit everyone. Those who prefer a fully remote position or a slower-paced environment might find the transition challenging. This is a fantastic opportunity for the right candidate willing to embrace the dynamic nature of the tech industry.