Software Engineer, multiple roles

Talentium AB; Göteborgs kommun; On-site; SEK 502,200 - 725,400; Full time

Job summary

A tech company specializing in search technologies is looking for an experienced Software Engineer to develop and optimize high-performance components in C++. This role requires at least 5 years of software engineering experience and a deep understanding of algorithms and data structures. The candidate should be proficient in both C++ and Java, comfortable with Linux, and able to work onsite in Gothenburg, Sweden. Join a driven team to shape the future of search technology.

Qualifications

• At least 5+ years of professional experience in software engineering.
• Strong proficiency in C++.
• Experience with OpenSearch, Elasticsearch, or Lucene internals.

Responsibilities

• Design, build, and optimize high-performance C++ components across query execution, indexing, and memory management.
• Benchmark and profile at scale to drive performance optimization.
• Collaborate tightly with a team to ship fast.

Skills

C++

Java

Linux

Performance optimization

Clear communication

Education

MSc or PhD in Computer Science, Math, or Physics

Job description

Overview

Vesiro is building a performance enhancing plugin to Elasticsearch & OpenSearch. In customer benchmarks weve seen ~2.8x faster search enabling up to 50% fewer nodes, which means massive savings in server cost. If you want to push the limits of algorithms, data structures, and systems performance, you'll like it here. You will be part of a skilled and driven software engineering team, and you'll tackle complex technical challenges as you take part in designing, developing, and optimizing core systems of our search engine. Working closely with a small, dedicated team, you'll directly contribute to shaping our product and engineering culture. This is a hands-on opportunity to make a meaningful impact, see your ideas come to life, and help set the technical foundation for a product thats already attracting attention from industry leaders. If youre excited by cutting-edge technology and solving real-world problems, wed love to hear from you.

Responsibilities

• Design, build, and optimize high-performance C++ components across query execution, indexing, compression, memory management, and I/O.
• Benchmark and profile at scale and drive end-to-end performance optimization.
• Collaborate tightly with a small, skilled team where youll ship fast.

Qualifications

• At least 5+ years of professional experience in software engineering.
• The candidate has held the job title Software Engineer or its equivalent.
• Deep understanding of Computer Science fundamentals, including algorithms, data structures, concurrency, and hardware awareness.
• Strong proficiency in C++.
• Proficiency in Java for integration purposes.
• Comfortable working with Linux, using profiling tools, and writing production-level code.
• Must be a clear communicator who takes ownership of their work.
• Experience with OpenSearch, Elasticsearch, or Lucene internals.
• Prior work or serious hobby projects in Information Retrieval (IR), databases, storage engines, compression, or High-Performance Computing (HPC).
• Previous startup experience.
• Holds an MSc or PhD in Computer Science, Math, or Physics, or has equivalent depth of experience.
• The candidate must be able to work onsite in Gothenburg, Sweden.