Own the architecture and delivery of mission-critical backend projects for a secure crypto wallet infrastructure platform. Define database, microservice, and integration architecture; resolve performance and reliability issues; improve CI/CD, observability, and engineering processes; shape technical strategy; mentor engineers; and support client discussions. The role requires deep backend, cloud, database, security, and applied cryptography expertise, with leadership experience in fintech or blockchain.
This is a remote position.
A Crypto wallet security infrastructure provider are looking for a Principa Solutions Engineer (Permanent role - Remote).
They develop the most secure wallet-as-a-service infrastructure in Web3 : an API-first wallet management system, ideal for applications and organizations seeking to provide secure access to all blockchains through a single integration). APIs and SDKs were designed for wallet programmability and efficient implementations, enabling fast deployments, smart automation flows, as well as granular sets of permissions and policies via secure authentication credentials. They are on the way to become the leading wallet infrastructure for the multi-trillion-dollar digital asset industry.
The company is SOC-2 certified, employs 30 people across 6 countries and has raised over $20M since creation with prestigious investors. Their solution is used and trusted by major international corporations.
As a Principal Software Engineer, you will own critical projects while setting technical direction and ensuring the company's platform is fast, resilient, and secure. This is more than a coding role. You’ll make key architectural decisions, drive engineering standards, and mentor senior engineers. You’ll work with product, security, and leadership to align technical execution with company strategy and ensure our systems perform under the high-stakes demands of financial workflows
MISSIONS
- Define and evolve architecture for databases, microservices, and integrations.
- Own mission-critical projects end to end, from requirements to production and iteration.
- Troubleshoot and resolve complex performance and reliability challenges at scale.
- Drive improvements to CI/CD, observability, and engineering processes across teams.
- Collaborate with leadership to shape roadmap priorities and long-term technical vision.
- Mentor engineers, promote best practices, and represent the company in client discussions.
Requirements
- 10+ years of backend software engineering, with leadership in fintech or blockchain.
- Mastery of TypeScript plus one or more systems languages (Rust, Go, C++).
- Proven track record building scalable APIs, infrastructure, and developer platforms.
- Deep expertise with databases (PostgreSQL, DynamoDB, NoSQL) and cloud (AWS).
- Strong knowledge of microservices, CI/CD pipelines, observability, and SSDLC.
- Familiar with applied cryptography, PKI, and secure backend architectures.
- Exceptional problem-solving, communication, and ability to influence technical direction.
- Knowledge of the crypto custody industry and its use cases is a big plus.
- Fluency in multiple languages is also a plus.
Benefits
- Contract : Permanent role (Hybrid remote) in Paris (France) or other EU countries
- Remote first company : flexibility to work fully remotely or at an office location of your preference within the European Union.
- Salary: €120-200K per year on a full-time permanent work contract.
- Equity: 150-300 stock options vested over 4 years with a one-year cliff.
- Work essentials: MacBook Pro, iPhone, AirPods, screens, headsets, AirPods, and cables are provided on Day 1 .
- Training and coursework in Crypto, Blockchain, Security, code, Coding languages and other topics are paid for on-demand to encourage personal and professional growth.
- Events: fully funded attendance at fintech, blockchain, or related conferences.
- Teams retreats/meetups/seminars/conferences all around the world to get to meet in-person and foster meaningful connections.
- Benefits: healthcare and life insurance, retirement plan, sponsored transportation, gym, lunch card, home office equipment, and other perks.
Recruitment process :
- Video call with Vice CEO/CTO (30mn).
- Cognitive and personality tests (async).
- Take home coding test (in a language of your choice)
- Code focus interview with tech and security teams (Code review, Architecture review, security)
- Final interview.
Similar Jobs
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Conversational AI
Own Deepgram’s end-to-end text-to-speech research program, including technical strategy, model architectures, experiments, training, evaluation, and production deployment. Lead researchers and technical managers, establish roadmaps, advance naturalness, expressiveness, multilingual generation, controllability, voice consistency, and inference efficiency, and partner with engineering and product leadership to ship high-quality models.
Top Skills:
Automated Evaluation MetricsGenerative Audio ModelingMultilingual Speech GenerationMultimodal ModelsNeural Audio CodecsNeural Audio ModelingSpeech GenerationSpeech Language ModelsText-To-Speech (Tts)Voice Cloning
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Conversational AI
Own complex monthly close areas, including stock compensation, leases, payroll accruals, intercompany, and foreign currency. Review accounting work, manage close critical paths, prepare audit support, design SOX-ready controls, and support migration from Xero to a scalable ERP. Coach accounting staff and build AI-powered automation for reconciliations, schedules, narratives, and workflows.
Top Skills:
Apps ScriptBlacklineCartaErpFloqastLlmsNetSuiteNumericPythonRampRilletSoxSQLXero
.png)
Logistics • Marketing Tech • Software
Owns revenue operations strategy and GTM planning, including forecasting, annual planning, business reviews, incentive design, analytics, KPI dashboards, and performance insights. Partners with Finance, Product, and Operations to improve sales productivity, align headcount with revenue goals, and execute multi-quarter strategic workstreams. The role translates complex data into leadership recommendations and manages cross-functional projects in a fast-paced environment.
Top Skills:
BiCRMData Warehouse ToolsLookerOmniSalesforceSQLTableau
What you need to know about the San Francisco Tech Scene
San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine
