Senior Staff Engineer

StoneX Group Inc.; Bengaluru; On-site; INR 1,200,000 - 1,600,000; Full time

Benefits offered by this job

Hybrid work flexibility

Office perks and private parking

Professional development support

Job summary

StoneX Group Inc. in Bengaluru is looking for an experienced .NET Engineer to join their API Engineering team. The role involves developing scalable, high-performing backend services for global trading solutions, working in a collaborative environment.

The ideal candidate will have 3–5+ years of experience in .NET development, with a focus on low-latency systems. The position offers hybrid work flexibility and opportunities for personal and technical growth.

Qualifications

• 3–5+ years of experience in backend .NET/C# development.
• Solid grasp of .NET Core and performance optimization.
• Experience with financial systems or real-time data is a plus.

Responsibilities

• Design and develop low-latency solutions using .NET technologies.
• Participate in code reviews and agile ceremonies.
• Continuously explore new technologies to enhance the platform.

Skills

Backend .NET/C# development

High-load APIs

Kubernetes

Multithreading

Messaging systems (ActiveMQ, Kafka)

SQL and NoSQL databases

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

GitHub

Visual Studio

Docker

Azure

Job description

Overview

Power Global Markets with Code – Join StoneX
At StoneX, we don’t just build software – we architect the infrastructure behind global trading and financial innovation. With over 4,300 employees and clients in 180+ countries, we’re a Fortune 100, Nasdaq‑listed fintech powerhouse that connects retail and institutional investors to the world’s markets. We’re growing our API Engineering team – and we’re looking for sharp, collaborative engineers who love solving real‑world problems at scale.

Responsibilities

This role is ideal for an experienced .NET engineer who thrives on ownership, has knowledge of the .NET ecosystem, stays up‑to‑date with the latest .NET technology, and wants to work on robust APIs that power real trading – including authentication, pricing, order handling, and more – in high‑load, low‑latency systems. You’ll be an essential part of a highly skilled product team, collaborating with other engineers, tech leads, and QAs to build scalable, high‑performing systems used by thousands of clients.

• Design and develop low‑latency solutions using the latest .NET technologies. Build performant, scalable backend services from scratch or improve existing ones.
• Tackle live production challenges.
• Participate in code reviews, design sessions, and agile ceremonies.
• Work closely with team leads, stakeholders, and other teams across the company.
• Continuously explore and evaluate new technologies that could enhance the platform.

Tech Stack You’ll Work With

• Languages & Frameworks: C#, .NET Core, ASP.NET Core
• Architecture: Microservices, Event‑driven (Kafka, AMQ), CQRS
• Cloud & Infra: Azure, Kubernetes, Docker, Rancher, TeamCity, Octopus, Grafana
• Databases: MS SQL Server (T‑SQL), NoSQL, Postgres
• Tooling: GitHub, Visual Studio/Rider, ReSharper
• AI Tools: MS Copilot, GitHub Copilot, ChatGPT

Qualifications

• 3–5+ years of experience in backend .NET/C# development.
• Solid grasp of .NET Core, high‑load APIs, multithreading, and performance.
• Experience with messaging systems like ActiveMQ, Kafka.
• Hands‑on experience with Kubernetes.
• Experience with financial systems or real‑time data – big bonus.
• Good SQL knowledge; NoSQL is a plus.
• Strong communication skills and the ability to collaborate across teams.
• A growth mindset and eagerness to stay current with industry trends.

Education

• Bachelor's degree in Computer Science, Software Engineering, or equivalent experience.
• Having certifications in related areas is a plus.

What We Offer

• Work on mission‑critical systems used globally.
• Ownership and room to grow technically and personally.
• A collaborative team of talented engineers.
• Hybrid work flexibility.
• Office perks, private parking, and professional development support.