Senior Front-end Developer with Angular (f/m/x)

Sii Ukraine LLC; Warszawa; Hybrid; PLN 180,000 - 300,000; Full time

Job summary

Sii Ukraine LLC is seeking a Senior Front-end Developer with Angular to join a Warsaw-based hybrid team building business-critical financial applications. You will design and implement modern Angular components and collaborate with colleagues across borders to ensure high-quality software.

With 5+ years of Angular experience and fluent English, you will mentor junior developers, drive performance improvements, and help shape scalable front-end solutions in a dynamic, international environment.

Qualifications

• 5+ years of experience in software development with Angular focus.
• Experience consuming and integrating RESTful APIs.
• Strong English communication in an international setting.
• Willingness to mentor junior developers and share knowledge.

Responsibilities

• Designing, developing, and maintaining modern Angular applications.
• Building scalable, maintainable, and high-performing front-end solutions.
• Implementing new features and enhancements based on business requirements.
• Optimizing application performance and user experience.
• Monitoring applications and troubleshooting production issues.
• Participating actively in Agile ceremonies, sprint planning, reviews, and retrospectives.
• Identifying opportunities for technical and process improvements.
• Supporting junior developers and sharing knowledge within the team.
• Driving the adoption of modern technologies and innovative engineering approaches.

Skills

Angular

RESTful APIs

Team collaboration

English communication

Hybrid work

International environment

Job description

Senior Front-end Developer with Angular (f/m/x)

This offer base language is English. Translate into Ukrainian.

We are looking for a Senior Front-end Developer with Angular to join our team responsible for developing and maintaining business-critical applications supporting financial processes across multiple countries. The team focuses on modernizing applications, improving scalability, and ensuring high operational standards in the vehicle leasing and fleet management domain.

• Designing, developing, and maintaining modern Angular applications
• Building scalable, maintainable, and high-performing front-end solutions
• Implementing new features and enhancements based on business requirements
• Optimizing application performance and user experience
• Monitoring applications and troubleshooting production issues
• Participating actively in Agile ceremonies, sprint planning, reviews, and retrospectives
• Identifying opportunities for technical and process improvements
• Supporting junior developers and sharing technical knowledge within the team
• Driving the adoption of modern technologies and innovative engineering approaches

Requirements

• Minimum 5 years of experience in software development with a focus on Angular
• Practical experience with RESTful APIs and integrating them into applications
• Ability to translate business requirements into effective technical solutions
• Willingness to support less experienced developers and share knowledge with the team
• Strong communication skills and ability to work effectively in an international environment
• Fluent in English, both written and spoken
• Willingness to work in a hybrid model, with 2-3 days per week from the office in Warsaw

Job no. JOB-AKVN3

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.