Senior Java Developer

Geniusee; Warszawa; Remote; PLN 258,000 - 332,000; Full time

Job summary

A thriving tech company in Poland seeks an experienced software engineer to design and architect scalable systems. The ideal candidate will have 7+ years of experience, strong skills in distributed processing, and an understanding of DevOps practices. This role offers a competitive salary, flexible working hours, and opportunities for professional growth.

Benefits

Competitive salary

Professional study compensation

VIP medical insurance

Flexible working hours

Paid vacation (18 working days)

Qualifications

• 7+ years of software engineering experience.
• 5+ years specifically in development.
• Strong experience with distributed stream processing frameworks.

Responsibilities

• Design and architect scalable, high-performance search components.
• Implement real-time data processing pipelines using distributed streaming technologies.
• Collaborate with stakeholders to align technical solutions with business requirements.

Skills

Software engineering experience

Development experience

Architecting large-scale distributed systems

Distributed stream processing frameworks

Data processing architectures

Pub-sub messaging systems

SQL and NoSQL databases

DevOps practices

Performance optimization

Caching strategies

Job description

Our mission at Geniusee is to help businesses thrive through tech partnership and strengthen the engineering community by sharing knowledge and creating opportunities 🌿Our values are Continuous Growth, Team Synergy, Taking Responsibility, Conscious Openness and Result Driven. We offer a safe, inclusive and productive environment for all team members, and we’re always open to feedback💜 If you want to work from home or work in the city center of Kyiv, great — apply right now.

• 7+ years of software engineering experience;
• 5+ years specifically in development;
• 3+ years architecting large-scale distributed systems;
• Strong experience with distributed stream processing frameworks similar to Apache Storm;
• Proven track record designing and implementing large-scale data processing architectures;
• Experience with pub-sub messaging systems and loosely coupled architectures;
• Working knowledge of SQL and NoSQL databases;
• Demonstrated understanding of DevOps practices, containerization, and CI/CD pipelines;
• Ability to create and defend complex design decisions with clear articulation of trade-offs;
• Experience optimizing system performance, memory usage, and disk access;
• Knowledge of caching strategies to improve response times and reduce costs.

What you will do

• Design and architect scalable, high-performance search components with focus on system trade-offs;
• Implement real-time data processing pipelines using and distributed streaming technologies;
• Collaborate with stakeholders to align technical solutions with business requirements;
• Contribute to system reliability, efficiency, and performance optimization.

What you will get

• Competitive salary and good compensation package;
• Exciting, challenging and stable startup projects with a modern stack;
• Ability to practice English and communication skills through permanent interaction with clients from all over the world;
• Professional study compensation, online courses and certifications;
• Career development opportunity, semi-annual and annual salary review process;
• Necessary equipment to perform work tasks;
• VIP medical insurance or sports coverage;
• Informal and friendly atmosphere;
• The ability to focus on your work: a lack of bureaucracy and micromanagement;
• Flexible working hours (start your day between 8:00 and 11:30);
• Paid vacation (18 working days) and sick leaves;
• Cozy offices in 2 cities ( Kyiv & Lviv ) with electricity and Wi-Fi ( Generator & Starlink );
• Compensation for coworking (except for employees from Kyiv and Lviv);
• Unlimited work from home from anywhere in the world (remote);
• Geniusee has its own charity fund

Please be informed that the data administrator is Geniusee LLC with headquarter at BC Y4, Yaroslavsky Lane 4, 04071, Kyiv, Ukraine. Processing of personal data is carried out in accordance with the Law of Ukraine "On Protection of Personal Data" dated 01.06.2010 No. 2297-VI. You have the right to request access to your personal data, their release, removal or restriction of admission, the right to make a warning against admission, as well as the right to transfer the data and to make arrangements. The submission of data is voluntary and this personal data is processed in order to manage candidate applications and recruitment (selection process, interview follow-up, your job alerts management). Refusal to provide these obligations may result in a lack of opportunity to conduct the recruitment process.

Candidate personal data is addressed to Geniusee and is available to our recruitment teams, our employees involved in the recruitment process, our HR teams, and our IT teams which administrate our tools. As a part of our recruitment process evaluation, some of your data (name, surname, email address) may be used in charge of organizing events during which we may invite certain candidates.

Thinking about joining our team?

Explore our background, values and benefits. Our company brings together some very interesting individuals and we are happy to help each other to become better and grow together