We are looking for a highly skilled Senior Software Development Engineer (SDE3) with strong full-stack expertise and experience building and leading complex JavaScript-based applications. An ideal candidate would have worked on scalable systems, monorepos, and data-intensive platforms.
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Lead and contribute to the design and development of complex, production-grade applications.
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Own critical components across frontend and backend systems.
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Work closely with quant teams, market analysts, and infrastructure engineers.
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Architect scalable systems handling large volumes of financial/market data.
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Drive technical decisions, code quality, and best engineering practices.
This role requires hands-on coding, architectural thinking, and the ability to work with complex data pipelines.
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4+ years of professional software development experience.
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Proven experience leading modules or core parts of large applications.
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Experience working in or managing monorepo architectures.
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Strong ownership mindset and experience delivering production systems.
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Deep expertise in JavaScript (ES6+)
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Strong experience building complex JavaScript applications
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Hands-on experience with Next.js
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Experience managing packages within monorepos (e.g., workspace-based setups)
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Strong understanding of:
- State management
- Performance optimization,
- Build tooling and bundling
Experience in at least two of the following:
Strong understanding of:
- REST APIs and system design
- Database design and optimization
- Handling high-volume data
- Authentication & authorization systems
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Experience with relational databases (e.g., PostgreSQL, MongoDB)
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Experience designing schemas for complex datasets
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Query optimization and performance tuning
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Experience handling large datasets or real-time data streams
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Comfortable working with structured and semi-structured data
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Understanding of data modeling and transformation
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Experience building data-heavy dashboards or analytics platforms is a strong advantage
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Experience with distributed systems
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Knowledge of:
- Apache Kafka
- Apache Flink
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Experience in financial markets/fintech domain
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Exposure to event-driven architectures
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Familiarity with high-performance systems
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Strong problem-solving and system design skills
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Ability to independently own large technical components
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Clean code practices and emphasis on maintainability
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Comfort working in a fast-paced, performance-driven environment
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Ability to collaborate cross-functionally with market analysts and quantitative teams
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Work on real-time systems used in global financial markets
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Solve complex engineering problems in high-performance environments
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Exposure to financial markets and quantitative systems
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Opportunity to influence architecture and technical direction
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Collaborative, high-impact engineering culture
