Senior Technical Support Engineer in London

Senior Technical Support Engineer in London

London Full-Time 50000 - 70000 € / year (est.) Home office possible
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At a Glance

  • Tasks: Provide top-notch support for customers using our innovative financial platform.
  • Company: Join Circle, a leader in the digital finance revolution.
  • Benefits: Flexible work environment, competitive pay, and opportunities for growth.
  • Other info: Dynamic team culture with a focus on collaboration and excellence.
  • Why this job: Be part of a mission to create an inclusive financial future with cutting-edge technology.
  • Qualifications: 4+ years in technical support, programming skills, and a passion for problem-solving.

The predicted salary is between 50000 - 70000 € per year.

Circle (NYSE: CRCL) is one of the world’s leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle’s platform includes the world’s largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet.

What you’ll be part of:

Circle is committed to visibility and stability in everything we do. As we grow as an organization, we're expanding into some of the world's strongest jurisdictions. Speed and efficiency are motivators for our success and our employees live by our company values: High Integrity, Future Forward, Multistakeholder, Mindful, and Driven by Excellence. We have built a flexible work environment where new ideas are encouraged and everyone is a stakeholder.

What you’ll be responsible for:

Circle is looking for a Senior Technical Support Engineer who will provide world-class support to customers building on the Circle Platform and Ecosystem. You will become an expert in helping clients with our API-based products and consulting with external developers. You enjoy the challenge of solving open-ended problems in a timely manner and you are passionate about customer experience. You enjoy building at the earliest stages. You care deeply about contributing and improving company processes, and you enjoy moving at a fast pace, building a long-lasting foundation, and helping customers thrive.

  • Engage directly with customers support tickets, providing timely, accurate, and empathetic support to meet defined SLAs.
  • Triage, investigate, and resolve technical and product issues related to cryptocurrency transactions, blockchain ledger activity, and API integrations.
  • Own customer escalations end-to-end, collaborating closely with Engineering.
  • Participate in on-call rotations, including occasional weekend coverage, to support our global 24/7 operations.
  • Lead and contribute to incident management efforts, including post-incident reviews and root cause analysis.
  • Build, improve, and maintain internal support tooling and operational workflows, utilizing AI-driven engineering tools to increase team efficiency and automate recurring tasks.
  • Improve external help documentation and maintain an internal library of high-quality, vetted answers for recurring issues.
  • Provide technical expertise for core products, participating in bug bashes and UAT as needed.
  • Drive and contribute to team OKRs and cross-functional projects that improve customer experience, reliability, and operational excellence.
  • Act as a technical leader and escalation point within the team, guiding peers on complex issues and best practices.

What you’ll bring to Circle:

  • 4+ years prior experience in technical issue resolution in a fast paced global support team supporting SaaS based product or relevant experience in financial services.
  • Experience in helping customers to diagnose and debug development issues.
  • Programming experience in one or more of the following languages: Javascript, PHP, Objective-C, Python, Golang, and Solidity.
  • Ideally an understanding of AWS and GCP cloud solutions, REST APIs, distributed systems, databases, and developer tools.
  • Knowledge in the following tools preferred: SQL, Postman, Kibana, Jira, Salesforce, Confluence.
  • Experience with developer communities such as Discord or Gradual.
  • Proficiency with AI-enhanced engineering tools to streamline development and troubleshooting workflows (e.g., GitHub Copilot, Cursor, or Claude Code).
  • Proven background in incident management, including leading high-priority technical escalations, conducting root cause analysis (RCA), and participating in on-call rotations.
  • Demonstrated problem-solving approach and analytical skills.
  • Have a talent for writing and a skill for communicating complex problems clearly.
  • Multilingual skills are preferred.
  • Availability to work on weekends and holidays as needed.
  • Experience/familiarity with Slack, Apple MacOS and GSuite.
  • Experience in training and up-skilling teams, particularly in delivering technical knowledge.

Circle is on a mission to create an inclusive financial future, with transparency at our core. We consider a wide variety of elements when crafting our compensation ranges and total compensation packages. Starting pay is determined by various factors, including but not limited to: relevant experience, skill set, qualifications, and other business and organizational needs. Please note that compensation ranges may differ for candidates in other locations.

We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other protected status required by the laws in the locations where we hire. Additionally, Circle participates in the E-Verify Program in certain locations, as required by law.

Should you require accommodations or assistance in our interview process because of a disability, please reach out to accommodations@circle.com for support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.

Senior Technical Support Engineer in London employer: Circle Internet Financial

Circle is an exceptional employer that fosters a dynamic and inclusive work culture, where innovation and collaboration thrive. With a commitment to employee growth, Circle offers ample opportunities for professional development and encourages new ideas in a flexible work environment. Located in a strong jurisdiction for financial technology, employees benefit from being part of a pioneering team at the forefront of digital assets and blockchain infrastructure.

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Contact Detail:

Circle Internet Financial Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Technical Support Engineer in London

Tip Number 1

Get to know the company inside out! Research Circle's products, values, and recent news. This will help you tailor your conversations and show that you're genuinely interested in being part of their mission.

Tip Number 2

Network like a pro! Connect with current employees on LinkedIn or join relevant forums. Engaging with the community can give you insider tips and might even lead to a referral!

Tip Number 3

Prepare for technical interviews by brushing up on your programming skills and understanding APIs. Practice common troubleshooting scenarios related to cryptocurrency and blockchain to impress during the interview.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re serious about joining the Circle team.

We think you need these skills to ace Senior Technical Support Engineer in London

Technical Issue Resolution
API Integration
Cryptocurrency Transactions
Incident Management
Root Cause Analysis
Programming in Javascript, PHP, Objective-C, Python, Golang, Solidity
AWS and GCP Cloud Solutions

Some tips for your application 🫡

Tailor Your Application:Make sure to customise your CV and cover letter to highlight your experience with technical support and SaaS products. We want to see how your skills align with the role of a Senior Technical Support Engineer at Circle.

Showcase Your Problem-Solving Skills:In your application, share specific examples of how you've tackled complex technical issues in the past. We love candidates who can demonstrate their analytical skills and ability to think on their feet!

Highlight Relevant Experience:Don’t forget to mention any experience you have with programming languages or tools mentioned in the job description. This will help us see how you can hit the ground running in our fast-paced environment.

Apply Through Our Website:We encourage you to submit your application directly through our website. It’s the best way for us to receive your details and ensure you’re considered for the role. Plus, it shows you’re keen on joining our team!

How to prepare for a job interview at Circle Internet Financial

Know Your Tech Inside Out

As a Senior Technical Support Engineer, you'll need to be well-versed in the technologies Circle uses. Brush up on your knowledge of APIs, programming languages like JavaScript and Python, and cloud solutions such as AWS and GCP. Be ready to discuss how you've used these tools in past roles.

Showcase Your Problem-Solving Skills

Circle values a proactive approach to problem-solving. Prepare examples from your experience where you successfully diagnosed and resolved technical issues. Highlight your analytical skills and how you’ve contributed to incident management or root cause analysis in previous positions.

Emphasise Customer Experience

Since this role is all about providing world-class support, be prepared to talk about your passion for customer experience. Share specific instances where you went above and beyond to help a client, and how you ensured their needs were met efficiently and empathetically.

Be Ready for Technical Scenarios

Expect to face technical scenarios during the interview. Circle may ask you to troubleshoot a hypothetical issue or explain how you would handle a customer escalation. Practice articulating your thought process clearly and concisely, as communication is key in this role.