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

Sii Sweden; Warszawa; On-site; PLN 240,000 - 320,000; Full time

Job summary

Sii Sweden AB is seeking a Senior Front-end Developer with Angular to join our team responsible for business-critical applications in the financial domain. You will design, develop, and maintain modern Angular applications across multiple countries, focusing on scalability and high operational standards.

The role offers a hybrid work model with 2–3 days per week in the Warsaw office and opportunities to mentor junior developers while adopting the latest front-end technologies.

Qualifications

• 5+ years of software development experience focused on Angular.

Responsibilities

• Design, develop, and maintain modern Angular front-end applications.
• Build scalable, high-performing front-end solutions.
• Implement new features and enhancements from business requirements.
• Optimize performance and user experience.
• Monitor applications and troubleshoot production issues.
• Participate in Agile ceremonies and sprint activities.
• Mentor junior developers and share knowledge.
• Drive adoption of modern technologies and engineering practices.

Skills

Angular

RESTful APIs

English

Mentoring

Job description

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

This offer base language is English. Translate into Swedish.

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.