Backend Engineer
Posted on Jun 24, 2026 by CV-Library
London, United Kingdom
IT
Immediate Start
£50k - £100k Annual
Full-Time
Backend Engineer (Java / Kotlin / Spring Boot)
Must have Java, Kotlin, Spring Boot and startup experience.
Unfortunately sponsorship is not available.
London Hybrid (1 day per week in the office)
We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team following strong growth and market traction. They're building innovative software products that help businesses automate complex workflows and are now looking to hire a Backend Engineer to support the next stage of growth.
This role is open to both mid-level and senior engineers who thrive in startup environments and enjoy building high-quality products with real ownership and impact.
Essential Requirements
To be considered, you must have:
Commercial experience with Java
Commercial experience with Kotlin
Strong experience building applications with Spring Boot
Previous experience working in a startup, scale-up, founding team or stealth startup environment
These are the key requirements for the role.
The Opportunity
You'll join a highly collaborative engineering team where you'll be responsible for designing, building and scaling backend services that power a growing SaaS platform.
As a startup environment, you'll have significant ownership, work closely with product and leadership teams, and play a key role in shaping technical decisions.
Responsibilities
Design, develop and maintain backend services and APIs
Build scalable applications using Java, Kotlin and Spring Boot
Contribute to system architecture and technical decision making
Work closely with Product and Engineering teams to deliver new features
Improve platform performance, reliability and scalability
Help establish engineering best practices as the team continues to grow
Ideal Background
Experience in any of the following would be advantageous:
SaaS products
FinTech
Accounting Technology
Payments
Financial Platforms
Cloud native applications
Package
Salary up to £100,000
Equity options
Hybrid working (1 day per week in London)
Learning & development budget
25 days holiday plus bank holidays
Please Note
Unfortunately, visa sponsorship is not available for this position. Applicants must already have the unrestricted right to work in the UK and cannot require current or future sponsorship.
Services advertised by Gold Group are those of an Agency and/or an Employment Business.
We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website
Must have Java, Kotlin, Spring Boot and startup experience.
Unfortunately sponsorship is not available.
London Hybrid (1 day per week in the office)
We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team following strong growth and market traction. They're building innovative software products that help businesses automate complex workflows and are now looking to hire a Backend Engineer to support the next stage of growth.
This role is open to both mid-level and senior engineers who thrive in startup environments and enjoy building high-quality products with real ownership and impact.
Essential Requirements
To be considered, you must have:
Commercial experience with Java
Commercial experience with Kotlin
Strong experience building applications with Spring Boot
Previous experience working in a startup, scale-up, founding team or stealth startup environment
These are the key requirements for the role.
The Opportunity
You'll join a highly collaborative engineering team where you'll be responsible for designing, building and scaling backend services that power a growing SaaS platform.
As a startup environment, you'll have significant ownership, work closely with product and leadership teams, and play a key role in shaping technical decisions.
Responsibilities
Design, develop and maintain backend services and APIs
Build scalable applications using Java, Kotlin and Spring Boot
Contribute to system architecture and technical decision making
Work closely with Product and Engineering teams to deliver new features
Improve platform performance, reliability and scalability
Help establish engineering best practices as the team continues to grow
Ideal Background
Experience in any of the following would be advantageous:
SaaS products
FinTech
Accounting Technology
Payments
Financial Platforms
Cloud native applications
Package
Salary up to £100,000
Equity options
Hybrid working (1 day per week in London)
Learning & development budget
25 days holiday plus bank holidays
Please Note
Unfortunately, visa sponsorship is not available for this position. Applicants must already have the unrestricted right to work in the UK and cannot require current or future sponsorship.
Services advertised by Gold Group are those of an Agency and/or an Employment Business.
We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website
Reference: 225288721
https://jobs.careeraddict.com/post/113458181
Backend Engineer
Posted on Jun 24, 2026 by CV-Library
London, United Kingdom
IT
Immediate Start
£50k - £100k Annual
Full-Time
Backend Engineer (Java / Kotlin / Spring Boot)
Must have Java, Kotlin, Spring Boot and startup experience.
Unfortunately sponsorship is not available.
London Hybrid (1 day per week in the office)
We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team following strong growth and market traction. They're building innovative software products that help businesses automate complex workflows and are now looking to hire a Backend Engineer to support the next stage of growth.
This role is open to both mid-level and senior engineers who thrive in startup environments and enjoy building high-quality products with real ownership and impact.
Essential Requirements
To be considered, you must have:
Commercial experience with Java
Commercial experience with Kotlin
Strong experience building applications with Spring Boot
Previous experience working in a startup, scale-up, founding team or stealth startup environment
These are the key requirements for the role.
The Opportunity
You'll join a highly collaborative engineering team where you'll be responsible for designing, building and scaling backend services that power a growing SaaS platform.
As a startup environment, you'll have significant ownership, work closely with product and leadership teams, and play a key role in shaping technical decisions.
Responsibilities
Design, develop and maintain backend services and APIs
Build scalable applications using Java, Kotlin and Spring Boot
Contribute to system architecture and technical decision making
Work closely with Product and Engineering teams to deliver new features
Improve platform performance, reliability and scalability
Help establish engineering best practices as the team continues to grow
Ideal Background
Experience in any of the following would be advantageous:
SaaS products
FinTech
Accounting Technology
Payments
Financial Platforms
Cloud native applications
Package
Salary up to £100,000
Equity options
Hybrid working (1 day per week in London)
Learning & development budget
25 days holiday plus bank holidays
Please Note
Unfortunately, visa sponsorship is not available for this position. Applicants must already have the unrestricted right to work in the UK and cannot require current or future sponsorship.
Services advertised by Gold Group are those of an Agency and/or an Employment Business.
We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website
Must have Java, Kotlin, Spring Boot and startup experience.
Unfortunately sponsorship is not available.
London Hybrid (1 day per week in the office)
We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team following strong growth and market traction. They're building innovative software products that help businesses automate complex workflows and are now looking to hire a Backend Engineer to support the next stage of growth.
This role is open to both mid-level and senior engineers who thrive in startup environments and enjoy building high-quality products with real ownership and impact.
Essential Requirements
To be considered, you must have:
Commercial experience with Java
Commercial experience with Kotlin
Strong experience building applications with Spring Boot
Previous experience working in a startup, scale-up, founding team or stealth startup environment
These are the key requirements for the role.
The Opportunity
You'll join a highly collaborative engineering team where you'll be responsible for designing, building and scaling backend services that power a growing SaaS platform.
As a startup environment, you'll have significant ownership, work closely with product and leadership teams, and play a key role in shaping technical decisions.
Responsibilities
Design, develop and maintain backend services and APIs
Build scalable applications using Java, Kotlin and Spring Boot
Contribute to system architecture and technical decision making
Work closely with Product and Engineering teams to deliver new features
Improve platform performance, reliability and scalability
Help establish engineering best practices as the team continues to grow
Ideal Background
Experience in any of the following would be advantageous:
SaaS products
FinTech
Accounting Technology
Payments
Financial Platforms
Cloud native applications
Package
Salary up to £100,000
Equity options
Hybrid working (1 day per week in London)
Learning & development budget
25 days holiday plus bank holidays
Please Note
Unfortunately, visa sponsorship is not available for this position. Applicants must already have the unrestricted right to work in the UK and cannot require current or future sponsorship.
Services advertised by Gold Group are those of an Agency and/or an Employment Business.
We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website
Reference: 225288721
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