Hybrid Senior Platform Engineer, C#, Go

Posted 2 hours ago

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About the role

  • Senior Engineer building and maintaining backend services and platform infrastructure for proprietary trading platform. Focusing on performance and reliability in a fintech environment.

Responsibilities

  • Design, build, and maintain backend services and platform infrastructure in C# and Go, with a focus on performance, reliability, and correctness.
  • Own backend components end-to-end - from architecture and implementation through testing, deployment, and on-call support.
  • Proactively identify and address technical debt, performance bottlenecks, and reliability risks before they become production incidents.
  • Collaborate with the platform tech lead and other engineers on system design, code reviews, and cross-team integration work.
  • Contribute to frontend development in React, particularly around platform integrations and internal tooling.
  • Write and maintain comprehensive tests, documentation, and runbooks to support operational excellence.
  • Participate actively in on-call rotation - owning issues through to resolution and contributing to post-incident reviews.

Requirements

  • Strong C# development skills
  • Hands-on experience building and maintaining backend or platform systems in production environments.
  • Experience with low-latency or high-throughput systems, particularly in financial, trading, or data-intensive domains.
  • Strong understanding of databases including schema design, query optimization, and transactional integrity (PostgreSQL, MySQL, or similar).
  • Experience with RESTful API design, WebSockets, and asynchronous/event-driven architectures.
  • Proficiency with CI/CD pipelines, automated testing strategies, and modern DevOps tooling.
  • Frontend awareness - comfortable working across the stack, reviewing or contributing to React-based frontend work.
  • Reliable and dependable - you follow through, communicate proactively, and treat your commitments seriously.
  • Strong communication skills; able to collaborate effectively across engineering and product.
  • Familiarity with functional programming paradigms - comfortable applying immutability, pure functions, and composition patterns to write more predictable, testable code.
  • Proficiency in Go - comfortable writing production-grade services and APIs.
  • Experience with React or modern frontend frameworks - able to contribute to platform tooling and interfaces.
  • Familiarity with Python for scripting, tooling, or data processing.
  • Experience with Kubernetes and container orchestration in production environments.
  • Background in trading, futures, prop trading, or fintech - you understand the domain and its performance expectations.
  • Familiarity with distributed systems patterns: message queues (Kafka, RabbitMQ), caching strategies (Redis), and service-to-service communication.
  • Exposure to observability tooling: Prometheus, Grafana, structured logging, and distributed tracing.
  • Experience working in multi-team engineering organizations with shared platform dependencies.

Benefits

  • Health insurance
  • 401(k) matching
  • Flexible working hours
  • Paid time off
  • Remote work options

Job title

Senior Platform Engineer, C#, Go

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

No Education Requirement

Location requirements

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