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

Sii Ukraїna TOV; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid Office

Job summary

Sii Poland Group is seeking a Senior Front-end Developer with Angular to design, build, and modernize business-critical applications across international financial processes. You will deliver scalable front-end solutions and drive performance improvements in a dynamic, collaboration-driven team.

Based in a hybrid Warsaw setup, the role emphasizes mentoring juniors, translating business needs into technical solutions, and delivering high-quality software within an Agile environment.

Qualifications

• 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.

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 technical knowledge within the team
• Driving the adoption of modern technologies and innovative engineering approaches

Skills

Angular

RESTful APIs

Mentoring

English communication

International teamwork

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-AQX7M

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.

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

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