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Fynetra

Senior Full-Stack Engineer – Investment Systems

Fynetra, Boston, Massachusetts, us, 02298

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technology, Quantitative Perm Hybrid The Role

This is a senior engineering role within a core investment technology group responsible for building the systems that underpin a large-scale, systematic investment process. You’ll work on mission-critical platforms that support research, trading, and portfolio operations across a global investment footprint. The focus is on automation, scalability, and resilience — building systems that can handle complex data flows, large universes, and tight operational windows. This role combines hands-on development with technical leadership. You’ll influence architecture, mentor engineers, and take ownership of systems that matter. What You’ll Be Working On

Designing and building features across core investment platforms Automating complex investment and operational workflows Improving system performance, reliability, and scalability Modernising legacy systems into cloud-native architectures Building and supporting data-heavy, production-grade applications Leading projects and mentoring engineers across the team Supporting production issues with a strong sense of urgency What They’re Looking For

Senior-level experience building complex software systems Strong proficiency in Python or another object-oriented language Deep experience with cloud platforms and modern infrastructure Strong understanding of databases, data processing, and analytics tooling Proven ability to design and deliver scalable, resilient solutions Comfortable owning systems end-to-end in a production environment Clear communicator who works well across engineering and business teams Experience in asset management or financial services is helpful, but not essential. Background

Significant professional experience in full-stack or backend engineering Track record of modernising systems and improving platform quality Strong debugging, testing, and delivery discipline Why This Role

Core systems with real business impact Influence over architecture and technical direction High-trust environment with meaningful ownership Hybrid working with a mature, collaborative culture

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