Senior Software Engineer (Node.js/TypeScript)

Posted 12 Days Ago
Be an Early Applicant
Kraków, Małopolskie, POL
In-Office
Senior level
Financial Services
The Role
Design and operate scalable, low-latency TypeScript and Node.js microservices powering real-time financial trading APIs. Build event-driven systems, streaming pipelines, and cloud-native services on GCP. Contribute to architecture, proof-of-concepts, monitoring, CI/CD, testing, code reviews, and full lifecycle ownership while leading technical initiatives and mentoring teammates.
Summary Generated by Built In

Fancy helping to shape the future of FinTech?
We have always been innovators. In 1996 we were the first company to share exchange rate information, free of charge on the internet. Today, we are a world leading online trading group.


Join us to:

  • Help build the future of online trading 
  • Be part of a culture driven by integrity and global impact
  • Become part of an award-winning company - check out our full list of awards here

We are only as good as our people. Luckily, our people are the best. Join us! 


How do we work?

We're looking for a Senior Software Engineer experienced in building scalable, low-latency TypeScript/Node.js microservices that power our next-generation Trading Platform. You'll be joining a team of engineers developing real-time financial APIs - from live price streaming and order execution to portfolio management - running at scale on Google Cloud Platform.
We are a highly agile group of people working closely together towards the same goal of providing the best client experience possible. The team consists of engineers working from multiple countries. We build and own a suite of microservices that form the backbone of OANDA's Universal Platform - a modern, cloud-native trading API layer. We believe that our experience, passion, and industry knowledge will ensure OANDA's Trading Platform success and the prosperity of our customers.

As a Senior Software Engineer you will:

  • Design and implement low-latency, high-availability APIs using Node.js 22, TypeScript, Koa, and GCP (GKE, Cloud Run, Artifact Registry).

  • Work with real-time data pipelines built on Kafka, Redis, ZeroMQ, and SSE streaming.

  • Write reusable, testable, and maintainable code across a TypeScript monorepo with Lerna.

  • Monitor and improve service performance using Prometheus metrics and Grafana dashboards.

  • Leverage AI-assisted coding tools (Claude Code, Cursor) as a standard part of your daily engineering workflow.

  • Lead proof-of-concept efforts for candidate architectures and contribute to architectural decisions.

  • Share knowledge, review colleagues' code, and raise the bar for engineering quality across the team.

  • Contribute to all stages of the software development lifecycle.

  • Onboard, understand our microservices architecture, and deploy your first code to production within your first month.

  • Take full ownership of feature development, contribute to architectural improvements, and drive cross-team technical initiatives.

What skillset do you need to be successful in this role?

  • Production experience with Node.js microservices (Node 18+, ideally Node 22).

  • Strong TypeScript skills.

  • Experience designing and operating real-time or event-driven systems (Kafka, Redis, SSE, WebSockets, or similar).

  • Practical experience with metrics, monitoring, and observability (Prometheus, Grafana, or equivalent).

  • Experience with GCP or another major cloud platform (GKE, Cloud Run, Artifact Registry).

  • Familiarity with CI/CD pipelines and automated release workflows (semantic-release, CircleCI, or equivalent).

  • Comfortable working in a monorepo with shared internal packages and versioned integrations.

  • Practical knowledge of relational databases and SQL (querying, schema design, indexing).

Nice to have:

  • Experience with financial market data (pricing, order execution, portfolio management).

  • Experience with AI-assisted development tooling (Claude Code, Cursor).

  • Background working with OpenAPI specifications and contract-first API design.

___

At OANDA, to help us efficiently process applications, we use AI-driven tools to help source and rank candidates based on professional experience and skills. While these tools provide recommendations, our recruitment process remains human-centric: all final shortlisting and hiring decisions are made by OANDA team. You have the right to request a human review of your application.

OANDA Global Corporation is a diverse and global team with offices around the world. We value the unique skills and experiences each individual brings to OANDA. We are committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate. We provide an inclusive and accessible environment for everyone. Candidates selected for an interview will be contacted directly. If you require accommodation during the recruitment and selection process, please let us know. We will work with you to provide as seamless a recruitment experience as possible.

Learn more about our culture here.

Review OANDA Privacy Policy and learn more about how we treat your personal data and protect your privacy. 

Skills Required

  • Production experience with Node.js microservices, preferably Node.js 18 or newer
  • Strong TypeScript skills
  • Experience designing and operating real-time or event-driven systems
  • Experience with Kafka, Redis, SSE, WebSockets, or similar technologies
  • Practical experience with metrics, monitoring, and observability
  • Experience with GCP or another major cloud platform
  • Familiarity with CI/CD pipelines and automated release workflows
  • Experience working in a monorepo with shared internal packages and versioned integrations
  • Practical knowledge of relational databases and SQL, including querying, schema design, and indexing
  • Experience with financial market data, pricing, order execution, or portfolio management
  • Experience with AI-assisted development tools such as Claude Code or Cursor
  • Experience with OpenAPI specifications and contract-first API design
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The Company
HQ: Toronto, CA
632 Employees
Year Founded: 1996

What We Do

Everyone at OANDA is focused on our vision to transform how our customers can meet all their currency needs. From our roots in 1996 that provided free currency exchange information to launching a multi-award winning global FX and CFD trading business to our recent new venture of money transfer. OANDA is now a major global player. Innovation has been at the heart of everything we do and our approach is to pioneer intuitive, user-friendly products supported by our great customer service ethos. We’ve come a long way since our first data feed went live in 1996, and we still have so much more that we want to achieve. Substantial funding has facilitated our exceptional growth. In 2007 we received $100M USD in Series B funding and in 2018 were acquired by CVC Capital Partners Asia Fund IV. For more information, please visit oanda.com. You can follow us on Twitter, Facebook, or YouTube. Leveraged trading is high risk and may not be suitable for everyone as your losses may exceed your investment.

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