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Aktualne oferty pracodawcy
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Senior Backend Engineer (Java)

Sonalake sp. z o.o.

16 00021 500 gross / mth.
  • Lesser Poland

    Lesser Poland
  • offer expired 2 months ago
  • contract of employment
  • full-time
  • senior specialist (Senior)
  • full office work, home office work, hybrid work
  • Immediate employment
  • More than one vacancy
    vacancies: 4
  • remote recruitment
  • Робота для іноземців
    без польської

Technologies we use


  • Java

  • Spring

  • Spring Boot

  • AWS

  • Docker

  • Jenkins

Operating system

About the project

We have a number of projects available, ranging from our own products for Telco industry (Visimetrix, Switched On Fibre), as well as projects in partnership with our Clients - AdTech (Yahoo) and Travel (SimLocal) projects. Apply and let's discuss them in detail!

Your responsibilities

  • Develop rock solid efficient server-side applications

  • Write clean, readable, well-commented, maintainable code

  • Work as part of a multi-disciplinary team with designers and other developers

  • Contribute to product innovation and our open source projects

  • Help evolve and improve our development standards, tooling, and processes

Our requirements

  • Hold a degree in Computer Science or a related discipline

  • Have 3+ years hands-on software engineering experience

  • Have developed business applications using some of the following technologies: Java, Kotlin; Spring, Quarkus, Micronaut; Hibernate, JPA, logging and telemetry frameworks

  • Have worked with Jenkins, Docker, Git and are very comfortable working from the Linux command line and with scripting languages

  • Have experience designing for and working with Amazon Web Services

  • Have worked on teams that have shipped and operated critical software systems

  • Take pride in working on projects to successful completion involving a wide variety of technologies and systems

  • Thrive in a collaborative environment involving different stakeholders and subject matter experts

  • Are a great communicator in English - both written and spoken

  • Thrive on a high level of autonomy and responsibility within a knowledge sharing culture

This is how we organize our work

This is how we work

  • in house
  • at the client's site

This is how we work on a project

  • Clean Code

  • code review

  • architect / technical leader support

  • Continuous Deployment

  • Continuous Integration

  • DevOps

  • documentation

  • issue tracking tools

  • technical debt management

  • integration tests

  • regression tests

  • test automation

  • unit tests

  • manual tests

Development opportunities we offer

  • conferences abroad

  • conferences in Poland

  • development budget

  • intracompany training

  • mentoring

  • soft skills training

  • space for experimenting

  • substantive support from technological leaders

  • support of IT events

  • technical knowledge exchange within the company

  • the company supports open source projects


  • sharing the costs of sports activities

  • private medical care

  • sharing the costs of foreign language classes

  • sharing the costs of professional training & courses

  • remote work opportunities

  • flexible working time

  • integration events

  • corporate sports team

  • charity initiatives

Recruitment stages

Initial talk with a Recruiter


Technical task/Live coding


Technical interview


Final interview

We take pride in being a people-oriented company.

Openness and opportunity are really important to us. We build teams that span from experienced leaders to bright graduates and work to develop all of us within our coaching culture.

Sonalake sp. z o.o.

Sonalake is a software partnering company that helps our clients realise their product roadmaps. Product design and engineering are at the heart of our business. Our engineering teams work with clients right across the stack; UX, UI design, frontend, backend, analytics, infrastructure, operations - and everything else that goes into delivering great products.

We thrive on variety and are highly adaptable. Our teams are exposed to domains as varied as telecom billing, ad tech, securities-based lending, travel tech analytics, and many more.

Innovation is central to our mission; anticipating future client needs, analysing emerging technologies and developing new products and services.

We are now seeking to grow our backend development capability. That’s where you come in!

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