Senior Backend Engineer - Remote, Flexible PTO, Growth

Safello AB; Sweden; Remote; SEK 700,000 - 900,000; Full time

Benefits offered by this job

Flexible B2B contract

Cutting-edge equipment

16 PTO days

Full remote work option

Growth & impact opportunities

Job summary

A leading cryptocurrency exchange is seeking a Senior Backend Developer to join their team. You will build and scale APIs for mobile and web applications, collaborating with cross-functional teams. The ideal candidate has 9+ years of experience with Java Spring Boot, SQL, and AWS, and is comfortable working in a dynamic environment. This role offers a flexible B2B contract, full remote work, and the opportunity to impact the future of financial systems. Join us to innovate in the rapidly evolving crypto landscape.

Qualifications

• 9+ years of experience as a Backend Developer, ideally with Java Spring Boot.
• Skilled in SQL and AWS setup cloud infrastructure.
• Comfortable with CI/CD pipelines as part of workflow.
• Familiar with microservice infrastructure and design patterns.
• Experienced in building high-transaction, high-availability systems.
• Able to write clean, testable code and conduct effective reviews.
• Strong problem solver with optimization skills.

Responsibilities

• Contribute to development team by building and scaling APIs.
• Write well‑tested, high-performance code.
• Collaborate closely with cross‑functional teams.
• Guide architectural decisions for backend systems.

Skills

Java Spring Boot

SQL

AWS

CI/CD pipelines

Microservice infrastructure

Design patterns

Problem solving

Teamwork

Communication skills

Tools

Cutting-edge equipment

Job description

A leading cryptocurrency exchange is seeking a Senior Backend Developer to join their team. You will build and scale APIs for mobile and web applications, collaborating with cross-functional teams. The ideal candidate has 9+ years of experience with Java Spring Boot, SQL, and AWS, and is comfortable working in a dynamic environment. This role offers a flexible B2B contract, full remote work, and the opportunity to impact the future of financial systems. Join us to innovate in the rapidly evolving crypto landscape.