About the Position

We are looking for a Senior Full Stack Developer with strong expertise in Java and Angular to join our dynamic team. The project involves designing, developing, and maintaining cutting-edge digital platforms used globally by employees, clients, and drivers. Working in an Agile environment, the team partners closely with both corporate and local stakeholders to deliver innovative solutions that enhance connected vehicle services, fleet management, and self-service mobility experiences.

Responsibilities

Developing backend and frontend components of the application
Designing, developing, and maintaining high-quality, secure, and scalable software solutions
Analyzing business requirements and translating them into technical solutions
Optimizing and refactoring existing codebases to improve stability, efficiency, and readability
Supporting software integration and configuration activities
Defining and executing testing strategies to ensure software reliability and quality before release
Maintaining and updating technical documentation to reflect system changes and improvements
Engaging in technical discussions and contributing to solution design
Collaborating effectively with colleagues across different teams and locations

Requirements

At least 5 years of experience as a Full Stack Java Developer with Angular
Strong skills in Java and Spring Framework for backend development
Solid experience with Angular (latest versions preferred) for frontend development
Strong knowledge of software design principles, secure coding practices, and API development
Familiarity with testing frameworks and CI/CD pipelines
Proficiency in creating technical designs, test cases, and conducting code reviews
Good understanding of Agile methodologies
Fluency in English, both written and spoken
Openness to commuting to the office in Warsaw 2 days a week
Fluent Polish required
Residing in Poland required

Salary

6000-8000 PLN HOUR

Location

Białystok, Poland
Warsaw, Poland
Łódź, Poland

About the Company

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits

Great Place to Work
Sustainable financial standing
Contracts with the world's largest brands
Internal training center
Many experts to learn from
Open and accessible management team
Profit sharing
Passion Sponsorship Program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app
Health insurance

Technologies & tools

Must have

Java
Angular
Spring
Hibernate
JavaScript
HTML
CSS3
Oracle Applications
SQL
JSON
REST
Microservices

Software Engineer

Job description