(Senior) Backend Kotlin Engineer - Freelance

Reposted 18 Hours Ago
Be an Early Applicant
Hiring Remotely in Poland
Remote
38-38 Hourly
Senior level
Information Technology • Software • Design
The Role
Join a dynamic Search team as a Backend Kotlin Engineer to design, implement, and optimize search algorithms while collaborating with product management to enhance user experience.
Summary Generated by Built In

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at Netguru?

As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks.

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

Rate: up to 38€/h (b2b contract only)

Start date: 31/01/2026

End date: 25/01/2027

Full-time (40h/week)

European Union based candidates only - our client's requirement due to internal policies and legal restrictions.

Strong backend engineering skills with experience with client’s tech stack (Kotlin preferred, Go/Python valuable), nice to have: previous experience in Search/Ranking domains, particularly with Solr, ElasticSearch, or any related search technologies

We are seeking a highly skilled and motivated Software Engineer to join our Client's talented Search team.

As a key member of their technology division, you will play a crucial role in designing, implementing, and optimizing their search algorithms to enhance the user experience and ensure the accuracy and relevance of search results.

In addition, we are looking for an individual with demonstrated experience in working with multi-stakeholder environments and handling high-demanding, data-intensive products.

Your responsibilities will include:

  • Playing an integral role within a dynamic team, solidifying your and your team's technical prowess to establish credibility
  • Fostering a culture of innovation, actively encouraging the conception, creation, implementation, and deployment of sophisticated scalable solutions
  • Posing thoughtful questions, participating in brainstorming sessions, and taking ownership of the product development process to foster a collaborative environment
  • Experimenting with novel machine learning approaches to push the boundaries of search capabilities
  • Collaborating closely with the product management team, ensuring alignment to construct the optimal product that resonates with and benefits our users
  • Identifying and addressing performance bottlenecks through meticulous profiling, monitoring, and optimization of the search infrastructure for high-speed and low-latency responses
  • Spearheading initiatives to enhance search quality through continuous refinement of query understanding mechanisms, and relevance models

Requirements
  • Demonstrated proficiency in Kotlin, showcasing a strong understanding of its core principles and capabilities. This includes the ability to write clean, efficient, and maintainable code while effectively utilizing Kotlin's features.
  • Expertise in Go or Python, showcasing a deep comprehension of programming paradigms along with the skill to produce clean, efficient, and maintainable code in these widely-used languages.
  • Experience with Solr, ElasticSearch, or similar search technologies that empower powerful indexing and searching capabilities, allowing you to create robust search functionalities within our applications.

BenefitsIn return, we offer:
  • 100-percent remote work;
  • huge flexibility and variety of project to choose from - work the way you like;
  • work with an experienced team of developers and continuous development of your hard and soft skills;
  • a mentor who will assist you during your first days;
  • dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes;
  • long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).

Top Skills

Elasticsearch
Go
Kotlin
Python
Solr
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The Company
HQ: Poznań
501 Employees
Year Founded: 2008

What We Do

Netguru is a digital acceleration consultancy founded in 2008. Netguru builds digital products that let people do things differently – offering digital acceleration tools, resources and know-how to companies of all shapes and sizes – to make beautifully designed digital products in a way that’s fast and fits their needs. Netguru provides consulting services in product development, creating software solutions, and product design. Since our founding in 2008, our team has completed more than 1000 projects and has 500+ people on board working from all over the world. Currently, Netguru collaborates with the largest brands in the world, such as UBS, Merck, Volkswagen, IKEA, and Keller Williams, as well as fast-growing innovators in the financial (Solaris), education (Babbel) or robotics (Temi) industries. Netguru has been recognized as one of the fastest-growing companies in Europe. Our company was featured in the prestigious Deloitte’s Technology Fast 50 (four times) and in The FT 1000 list in 2017, 2018, 2019, and 2022. We're a certified B Corporation since 2020. Netguru was also recognized among the Best Workplaces, Poland in the 2021 edition of the Great Place To Work® listing. Connect with us to keep up to date with news from Netguru and follow the latest trends in our industry.

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