Senior JavaScript Developer

Develop and maintain high-performance desktop applications using JavaScript, focusing on asynchronous programming paradigms (Promises, async/await, event-driven and messaging architectures)
Utilize OpenFin APIs to create, manage, and optimize application windows, inter-application messaging, and custom integrations
Implement FDC3 protocols to ensure secure and standardized communication between financial applications
Debug, profile, and optimize applications for performance in complex, real-time environments
Collaborate with team members to arrange in-office days and hours flexibly, based on project needs and meetings

Advanced proficiency in JavaScript, with a strong focus on asynchronous programming and 3+ years of relevant experience
Hands-on experience with OpenFin APIs for desktop application development
Solid understanding of FDC3 standards and protocols for financial app interoperability
Background in ReactJS
Strong debugging and performance optimization skills in real-time, complex environments
Good work ethic and strong sense of ownership of the end result
Excellent verbal and written communication skills, B2 level of English

Engineering community of industry professionals
Friendly team and enjoyable working environment
Flexible schedule and opportunity to work remotely within Poland
Chance to work abroad for up to 60 days annually
Business-driven relocation opportunities
Outstanding career roadmap
Leadership development, career advising, soft skills, and well-being programs
Certification (GCP, Azure, AWS)
Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru
English language classes
Stable income (Employment Contract or B2B)
Participation in the Employee Stock Purchase Plan
Benefits package (health insurance, multisport, shopping vouchers)
Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more
Referral bonuses
Corporate, social and well-being events

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