Enter a job title or keyword

Strong MiddleSenior Full Stack Developer (Java+Angular)


Job Location:

Warsaw - Poland

Monthly Salary: Not provided by the employer
Posted: 9 September 2026 (15 hours ago)
Application Deadline: 7 December 2026
Vacancies: 1 Vacancy

Job Summary

Design develop and maintain scalable Full Stack solutions using Java Spring and Angular
Develop and support complex business logic related to advertising campaign management
Participate in architecture discussions and contribute to technical solution design
Build reliable maintainable and high-performance enterprise applications
Improve system scalability reliability and overall platform performance
Integrate with external advertising and media-related services
Write clean maintainable and well-tested code following engineering best practices
Collaborate with developers Architects QA engineers and Project Managers
Take ownership of technical challenges and proactively drive solutions
Contribute to continuous improvement of development processes and engineering standards


Qualifications :

5 years of commercial software development experience
Strong hands-on experience with Java and Spring Framework
Strong practical experience with Angular
Experience building scalable enterprise-level applications
Experience with AWS cloud services
Good understanding of software engineering principles and system design
Experience working with REST APIs and integrations
Ability to work independently and proactively solve technical challenges
Strong analytical and problem-solving skills
Experience writing maintainable and testable code
Good communication and collaboration skills
Upper-Intermediate or higher level of English

WILL BE A PLUS

AI-native development experience
Experience using AI-powered development tools such as Claude or Codex
Experience with Jenkins
Experience with Terraform
Experience working with complex enterprise platforms
Experience in AdTech MarTech or media-related domains


Additional Information :

PERSONAL PROFILE

Proactive and ownership-driven mindset
Strong problem-solving orientation
Ability to work independently in a distributed team environment
Focus on quality and continuous improvement
Willingness to participate in technical discussions and contribute ideas
Strong communication and collaboration skills


Remote Work :

Yes


Employment Type :

Full-time


About Company

Company Logo

At Sigma Software, we are involved with the client’s team to contribute to the design and development of a technical solution for their tokenized domain reservation platform. We started by assigning a software architect to design the smart contracts and integrate blockchain into the s ... View more

View Profile View Profile