Senior Software Developer (Web Development) at Sigma Software

Kyiv, , Ukraine -

Full Time

Start Date

Immediate

Expiry Date

09 Jun, 26

Salary

0.0

Posted On

11 Mar, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Next.js, TypeScript, React, CI/CD, Amplitude, Customer.io, A/B Testing, Analytics Integration, Web Development, Architecture, Mentoring, Hypothesis Testing, Material UI

Industry

Software Development

Description

Company Description Are you a talented Senior Software Developer ready to make an impact on high-traffic web platforms? This role offers the opportunity to tackle complex technical challenges, shape product architecture, and deliver solutions used worldwide. We at Sigma Software are looking for a skilled professional to join our Engineering department in Kyiv, Ukraine, with the flexibility to work remotely. You will collaborate with cross-functional teams, drive innovation, and work with modern technologies. Why join us? You will be part of a company that values technical excellence, creativity, and continuous improvement, offering diverse projects and opportunities for professional growth. CUSTOMER Our client is a well-established Ukrainian product company with a strong presence in the global market. Their flagship platform is widely adopted internationally and continues to grow rapidly. Known for delivering high-quality, scalable solutions, the company fosters a culture of innovation and continuous improvement. PROJECT The project involves developing and enhancing a high-traffic product website, implementing new features, improving architecture, and enabling rapid experimentation through A/B testing and analytics integrations. You will work closely with product managers and designers to deliver seamless user experiences and scalable solutions. Job Description Collaborate with cross-functional teams to design, develop, and maintain the product website Implement new features and improvements, ensuring high performance and scalability Manage releases and run A/B experiments to optimize user experience Build systems for rapid iteration of web funnels, including hypothesis testing and analytics Integrate with third-party analytics tools such as Amplitude and Customer.io Participate in architectural discussions and contribute to technical decision-making Mentor junior developers and share best practices within the team Qualifications 5+ years of experience in web application development Proficiency in Next.js, TypeScript, and React Familiarity with CI/CD pipelines Experience integrating third-party services (e.g., Amplitude, Customer.io) Strong understanding of high-quality architecture principles Business-oriented mindset and creative thinking Ability to balance big-picture thinking with attention to detail Upper-Intermediate English level WILL BE A PLUS Experience with Firebase Experience with Cypress or other testing frameworks Experience with Material UI or other UI libraries Experience with CI/CD pipelines Prior work with analytics integrations Additional Information PERSONAL PROFILE Proactive problem-solver who thrives in collaborative environments Strong technical expertise combined with a business-oriented mindset Passionate about modern web technologies Able to balance strategic thinking with meticulous attention to detail

Responsibilities

Collaborate with cross-functional teams to design, develop, and maintain a high-traffic product website, implementing new features and managing releases for optimized user experience. Build systems for rapid iteration, including hypothesis testing and integration with third-party analytics tools like Amplitude and Customer.io.