Backend Engineer - Scalable, Secure Distributed Systems

Techrytera; Malmö kommun; On-site; SEK 700,000 - 1,000,000; Full time

Job summary

Techrytera AB is seeking a Backend Engineer to design, build, and operate critical distributed services for millions of users. You will collaborate across engineering teams to tackle complex scalability, reliability, and security challenges and own services from design to production support.

Ideal candidates have deep Java expertise, strong multithreading experience, and hands-on work with REST APIs, CI/CD, and modern tooling.

Qualifications

• Comfort with documenting technical designs, discussing architecture and stakeholders.
• Experience with automated testing, CI/CD pipelines, REST APIs, Cassandra, Redis, Memcached, and Netty.
• Knowledge of reliability and operational excellence practices.
• Understanding authentication and authorization concepts.
• Experience creating customer-facing web services.
• Solid understanding of distributed systems scalability and performance.
• Production system operations experience.
• Ability to explain design choices in detail.
• Five years+ backend development experience with Java and modern concurrency models.

Responsibilities

• Design, build, and operate critical distributed services for millions of users.
• Collaborate across engineering teams to improve availability, reliability, and performance.
• Develop reusable frameworks and platform capabilities for internal and external users.
• Contribute to architecture decisions and own services throughout their lifecycle, including production support.

Skills

REST APIs

CI/CD

Distributed systems

Java proficiency

Multithreading

Security concepts

Technical design

Production systems

Architecture discussion

Tools

Cassandra

Redis

Memcached

Netty

Docker

Kubernetes

Spinnaker

GitHub

Maven

Job description

Techrytera AB is seeking a Backend Engineer to design, build, and operate critical distributed services for millions of users. You will collaborate across engineering teams to tackle complex scalability, reliability, and security challenges and own services from design to production support.

Ideal candidates have deep Java expertise, strong multithreading experience, and hands-on work with REST APIs, CI/CD, and modern tooling.