Sr. Java and Solr Developer


Experience: 4+ years

We are looking for passionate developers for our Helsinki office. If coding at scale is your passion, this would be your challenge and opportunity! Empowering 1B+ API calls, over 5000 web instances, over 75 cloud servers, complexity and scale that require both depth and attitude to build ‘scalable’ code base.


  • Implement automated techniques and processes for the bulk and real-time indexing in Apache Solr of large-scale data sets residing in flat files, databases, and other sources.
  • Design and implement Solr build for generating indexes against structured and semi-structured data.
  • Troubleshoot Solr indexing process and querying engine.
  • Prototype and demonstrate new ideas of feasibility and leveraging for Solr Capabilities.
  • Writing efficient search queries against Solr indexes using Solr REST/Java API.
  • Contribute to all aspects of application development including architecture, design, development, and support.


  • Excellent knowledge of Java J2EE internals, Hibernate.
  • Excellent knowledge of Apache Solr with a SolrJ framework.
  • Experience in JavaScript, Ajax, JSON and XML.
  • Experience in working with RESTful Web Services.
  • Ability to Provide technical guidance and mentoring to other junior team members.
Nice to have:
  • You are a manager of one:
  • Experience in Spring framework.
  • Experience in the Elastic search.
  • Solr integration with NoSQL DBs.
  • Machine Learning.

What we offer:

  • Being part of one of the most exciting startups from Nordics with global footprints
  • Work with a team in 3 continents
  • Excellent work culture, hands-on, result-oriented
  • Good salary, Flexible hours and location

About Klevu

Klevu, founded in 2013, hails its roots from Finland, the country of a thousand lakes and white lilies. We are a small, nimble, and diverse team. People from three continents speaking more than seven languages bring a blended cross-cultural experience to Klevu. We started with the challenge to provide online retailers a world-class search technology that connects shoppers to the exact products they are looking for. We want online stores of all types and sizes to have the most advanced yet flexible and affordable in-store search.

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