Backend Developer

Zpark Energy Systems AB; Luleå kommun; On-site; SEK 446,400 - 669,600; Full time

Job summary

A leading energy systems company in Luleå is seeking a Backend Developer to implement and maintain backend systems. The ideal candidate will have at least 2 years of experience in backend development and be proficient in Go language, RESTful APIs, and microservices. You will collaborate with architects and front-end developers to deliver high-quality software solutions. Strong communication skills in English are essential, and proficiency in Swedish is a plus.

Qualifications

• Minimum of 2 years of experience in backend development, prior Go experience is a merit.
• Experience with RESTful APIs and microservices.
• Strong communication skills in English; proficiency in Swedish is a plus.

Responsibilities

• Develop and maintain backend services and systems using Go.
• Optimize code for performance, reliability, and maintainability.
• Collaborate with stakeholders to deliver high-quality software solutions.

Skills

Backend development

Go language

RESTful APIs

Microservices

Databases (PostgreSQL, Cassandra)

Caching tools (Redis)

Apache Kafka

Communication skills in English

Teamwork

Job description

As a Backend Developer, your focus will be on implementing and maintaining backend systems. You will collaborate with architects, front-end developers, and firmware engineers to deliver robust and efficient software solutions. This role is ideal for someone who thrives in hands‑on development and enjoys crafting high‑quality code.

What You Will Do

• Develop and maintain backend services and systems using Go.
• Implement solutions based on specifications provided by architects and stakeholders.
• Optimize code for performance, reliability, fault‑tolerance, and maintainability.
• Collaborate with front‑end developers, firmware engineers, and other stakeholders to deliver high‑quality software solutions.
• Participate in code reviews and provide constructive feedback to team members.

Your Profile

• Minimum of 2 years of experience in backend development; previous experience in Go Language is a merit.
• Experience with RESTful APIs and microservices.
• Proficiency in working with databases (PostgreSQL, Cassandra) and caching tools (Redis or comparable).
• Ability to work independently and as part of a team.
• Experience with streaming tools, such as Apache Kafka or similar, is a plus.
• Strong communication skills in English; proficiency in Swedish is a plus.