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Offer summary
(Summary generated by AI based on the full job description)
The project involves a web application for airlines managing and distributing flight data. It uses Java, Spring, Hibernate, AWS, PostgreSQL, gRPC. Responsibilities include designing complex applications, applying DDD, integrating AI into SDLC, maintaining documentation and collaborating with business and technical teams.
from: 30 July 2026
to: 29 August 2026
120 - 176 złnet (+ VAT)/ hr.B2B contract (full-time)
14 800 - 22 000 złgross/ mth.contract of employment
Offer parameters
level:senior
working mode:remote
Kraków, Krowodrza
Requirements
Expected technologies
Java
Spring Framework
Hibernate
HTML
Liquibase
AWS
gRCP
Vue.js
Optional technologies
XSD
JMS
Jenkins
Gerrit
Our requirements
- Strong experience in Java and core Java frameworks (Spring, Hibernate).
- Solid understanding of Domain Driven Design (DDD) principles.
- Ability to design and work with complex, distributed system architectures.
- Knowledge of dependency management, modern revision control systems, code review tools.
- Practical knowledge of algorithms, design patterns and data structures.
- Practical experience in leveraging AI coding agentsto accelerate development and enhance code quality.
- Proven track record of delivering high-quality software products.
- Knowledge of web technologies.
- Very good command of English.
- Fluency in Polish.
Optional
- Basic knowledge of XSD, JMS, and also experience with such tools like Jenkins, Gerrit, and relational databases solutions (PostgreSQL).
Your responsibilities
- Design and implement complex, multi-layered software applications, including unit tests.
- Interpret business requirements, usability feedback, and functional specifications to provide technical recommendations.
- Leverage Domain-Driven Design (DDD) to identify and define independent modules through modeling techniques.
- Maintain relevant technical documentation in the company knowledge base.
- Analyze software requirements to determine feasibility within time and cost constraints.
- Identify potential risks in tasks and propose effective solutions and mitigation plans.
- Define system design, architecture, and coding standards.
- Integrate AI tools and workflows into the Software Development Life Cycle (SDLC).
- Develop and promote best practices to optimize productivity.
- Ensure high code quality throughout the entire development lifecycle.
- Participate in sprint planning and retrospectives.
- Collaborate closely with Business Analysts and the Product Owner team.
About the project
Excited about developing a web application used by the world’s leading airlines?
As a S4A Team member, your daily tasks will involve developing, maintaining, and fixing functionalities related to storing, managing, and distributing flight-related data. To ensure success at every phase of development, you will collaborate with aviation experts (Business Analysts and Product Owners) as well as technical specialists (QA engineers and other teams).
Tools nad technologies:
Java / Spring / Hibernate / GIT / Liquibase / IntelliJ / HTML5 / AWS / PostgreSQL / gRPC
This is how we organize our work
This is how we work
at the client's site
Team members
project manager
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of foreign language classes
- sharing the costs of professional training & courses
- life insurance
- remote work opportunities
- flexible working time
- fruits
- integration events
- corporate library
- no dress code
- coffee / tea
- leisure zone
- christmas gifts
- employee referral program
- MyBenefit Cafeteria/Multisport
Smart4Aviation
Smart4Aviation jest firmą stworzoną z pasji do lotnictwa i z pomysłu, aby moc sieci wykorzystywać w branży lotniczej. Smart4Aviation to ponad dwadzieścia lat wsparcia i rozwoju oprogramowania dla największych linii lotniczych na świecie. Dostarczamy czternaście różnych modułów oprogramowania obsługując w ten sposób ponad 700 samolotów dziennie i tysiące pracowników linii lotniczych.
Senior Fullstack (Java) Developer
14.8k–22k zł / mth. (CoE), 120–176 zł / hr. (B2B)
I apply to:
Smart4Aviation
Kraków, Krowodrza
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1. The controller of your personal data is AzimuthIT Sp. z o.o. Sp.K., ul.Królewska 57/208c,
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3. Your personal data will be processed for the purpose of current and future recruitment - pursuant to Article 6(1)(a) of the EU General Data Protection Regulation, the Polish Personal Data Protection Act and Article 22 of the Polish Labor Code. Following legitimate interests, during recruitment process a former employer can be contacted, pursuant to 6(1)(f) of the EU GDPR.
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