Senior Backend Developer Jobs

Quinyx

Location:
United Kingdom; Sweden, London ▼
Stockholm

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Do you want to help us unleash the secret to how happy employees create a happy business? We are an innovative, agile, and continuously growing modern tech company on a path to improving the work lives of millions around the world. We develop workforce management solutions - software that makes scheduling and time reporting more smooth and more flexible for almost a million users worldwide!

Job Responsibility:

Design, develop, and maintain backend services and APIs using Java and Spring Boot. Ensure these services are scalable, reliable, and efficient
Influence product development by providing technical expertise, improving engineering processes, and advocating for best practices in software design
Lead and/or participate in technical initiatives that span multiple teams, influencing decisions that affect the entire product area
Contribute to architectural decisions, define best practices, and ensure alignment with long-term technical strategies
Mentor junior engineers, conduct code reviews, and advocate for clean, maintainable code with a strong emphasis on test automation
Actively participate in the hiring process, helping to identify and attract top engineering talent

Requirements:

Solid experience as a backend engineer, with expertise in Java and Spring Boot
Strong knowledge of microservices architecture and distributed systems
Experience working in cloud environments (AWS)
Deep understanding of system design principles and optimization techniques for performance, scalability, and security
Quality-driven mindset, with a commitment to high coding standards, test automation, and continuous integration/deployment (CI/CD)
Strong problem-solving skills, with the ability to troubleshoot and optimize complex backend systems
You are a collaborative team player who values teamwork and enjoys working in a highly interactive environment
You are passionate and energetic, willing to go the extra mile to tackle challenges and deliver high-quality solutions
You drive innovation and continuously look for opportunities to improve processes, tools, and technologies
You build trust among your team members and your leaders by consistently delivering high impact work
You always look to enhance your technical skills and stay updated with the latest industry trends

What we offer:

Flexible work hours and latest tools
Enhanced vacation allowance
Gym membership contribution
Ugly Xmas sweater competition

Additional Information:

Job Posted:
December 11, 2025

Work Type:

Hybrid work

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Senior Backend Developer