Senior Software Engineer

Pending publication

Join a team of engineers and cryptographers building the infrastructure behind the next generation of financial systems. We’re hiring a Senior Software Engineer to build and scale the core backend services that power our platform. You’ll design and operate APIs, microservices, and data systems that handle wallet operations, transaction processing, and integrations across multiple blockchains. You’ll work closely with product, security, and infrastructure teams to turn complex requirements into reliable production systems. This role goes beyond implementation. You’ll contribute to architecture decisions, improve development workflows, and help ensure the platform remains fast, secure, and resilient under real-world financial workloads. Responsibilities: Design, build, and maintain secure, scalable backend services and APIs (REST). Architect databases and microservices for performance, reliability, and growth. Own projects end to end: from requests, implementation to production and iteration. Troubleshoot complex issues, resolve performance bottlenecks, ensure resilience. Collaborate with product, security, and leadership on roadmap and technical direction. Document systems, share knowledge, and support client-facing discussions. Requirements: 8+ years of backend software engineering experience in fintech or finance. Strong in TypeScript, proven track record building scalable APIs and dev tools. Expertise with databases (PostgreSQL, DynamoDB, NoSQL) and AWS services. Skilled in microservices, CI/CD pipelines, observability, and SSLDC practices. Familiar with public key infrastructure and backend security fundamentals. Strong problem-solving, clear communication, and ability to deliver under pressure.

Pending publication…
EUR 80k-140k/year

Senior Software Engineer at DFNS: FAQ

How much does the Senior Software Engineer role at DFNS pay?

The Senior Software Engineer position at DFNS pays EUR 80k-140k/year. Compensation may vary based on experience and location.

Where is the Senior Software Engineer role at DFNS based?

The Senior Software Engineer role at DFNS is based in Paris. Check the job description for any remote or hybrid options.

What skills are required for the Senior Software Engineer role at DFNS?

This Senior Software Engineer role is associated with the following skills and technologies:

  • Senior
  • Backend
  • TypeScript
  • Engineering
  • Security
  • Web3

Read the full job description above for the complete list of requirements.

Is the Senior Software Engineer role at DFNS full-time or contract?

DFNS is hiring this Senior Software Engineer as a full time position.

How do I apply for the Senior Software Engineer role at DFNS?

You can apply for the Senior Software Engineer role at DFNS directly on this page using the Apply button. Paris candidates are welcome. Applications submitted through CryptoJobsList reach the employer directly.

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