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

Sii Sweden; Warszawa; Hybrid; PLN 180,000 - 280,000; Full time

Job summary

Sii Sweden is seeking a Senior Front-end Developer with Angular to design, develop, and maintain modern Angular applications that power financial processes across multiple countries. The role emphasizes scalability, performance, and collaboration within an Agile team.

You will mentor juniors and contribute to continuous improvement while working in a hybrid setup with 2–3 days at the Warsaw office. The ideal candidate has 5+ years of Angular-focused software development, strong REST API

Qualifications

• Minimum 5 years of experience in software development focused on Angular.
• Experience integrating RESTful APIs into applications.
• Ability to translate business requirements into technical solutions.
• Willingness to coach less experienced developers and share knowledge.
• Strong communication skills in an international environment.
• Fluent English, both written and spoken.

Responsibilities

• Design, develop, and maintain modern Angular applications.
• Build scalable, high-performing front-end solutions.
• Implement new features based on business requirements.
• Optimize performance and user experience.
• Monitor applications and troubleshoot production issues.
• Participate in Agile ceremonies and retrospectives.
• Identify opportunities for technical and process improvements.
• Support junior developers and share knowledge.

Skills

Angular expert

REST APIs

Team mentoring

International teamwork

English fluency

Hybrid work

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-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.