Suggested rewrite: Led a cross-functional initiative that improved [business outcome] by [measurable result], demonstrating experience relevant to this role...
Senior Software Engineer
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- Remote from
- Spain
- Salary
- Undisclosed
- Department
- Software Engineering
- Employment
- Full Time
- Experience
- Senior
- Published
- Apply before
- 23 Nov 2026
- Listing views
- 34
- Application actions
- 1
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The role, at a glance.
Veriff is hiring a Senior Software Engineer to architect and scale real-time biometric identity-verification services. The role centers on distributed, event-driven backend systems, robust APIs, operational reliability, and long-term architectural ownership. The engineer will partner with ML specialists, product teams, and dependent engineering teams while mentoring other developers and raising technical standards. Strong Python, distributed-systems, CI/CD, observability, testing, relational-database, and communication experience are central to success. Experience with mobile SDKs, React, or B2B SaaS is beneficial but not required.
Role DNA
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Pace & Pressure
4/5Autonomy Level
5/5Communication Load
5/5Salary analysis
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Core skills
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Sample interview questions
I would separate synchronous decision-critical paths from asynchronous enrichment work, use stateless horizontally scalable services, and introduce durable message queues for non-blocking processing. I would define latency and error budgets, apply backpressure and idempotency, and instrument every critical dependency with metrics, tracing, and alerting.
I would first map domain boundaries, dependencies, traffic patterns, and operational risks. Then I would incrementally extract well-defined capabilities behind stable interfaces, use feature flags and parallel validation where needed, and measure correctness, latency, and adoption before retiring legacy paths.
I would make consumers idempotent, include event identifiers and versioning, persist processing state where appropriate, and use deduplication controls. For ordering-sensitive workflows, I would partition by an appropriate entity key and explicitly model state transitions rather than relying on global message order.
I clarify the security and availability requirements first, assess realistic threats and failure modes, and choose the simplest design that meets them. I document trade-offs, automate controls in the delivery pipeline, and use incremental rollout plans so the team can deliver value without accumulating unmanaged risk.
I would help them tailor discussions to stakeholder outcomes such as risk, customer impact, cost, and delivery timelines rather than implementation details. We would practice concise design narratives, use diagrams and decision records, and gather feedback after meetings to improve clarity over time.
About this role.
At Veriff’s Biometric Solutions team, we are trying to prove, in real time, that the person on the other side of the screen is real and who they claim to be. Our ML-powered platform uses advanced image recognition, facial verification, face recognition, facial anti-spoofing (liveness detection), and behavior analysis to make identity decisions.
We’re looking for a Senior Software Engineer to help build and scale our real-time verification services, with security, scalability, and maintainability at the core.
You’ll help us protect honest people online by:
- Owning the design and evolution of the architecture for a strategically critical product area, making the calls that shape scalability, security, and maintainability for years
- Leading transformational architecture work: real-time matching at scale, resilient event-driven services, and the CI/CD and observability foundations that make them dependable
- Setting and raising engineering standards, and mentoring and growing the engineers around you
- Partnering closely with other engineers, ML data scientists, and specialists to turn complex identity problems into working products, and driving cross-functional alignment with product and dependency teams
- Building scalable, maintainable APIs and event-driven services that other teams and external customers depend on
You are the right future Veriffian if you have
- Over 5 years of experience building and operating large-scale applications (ideally in Python)
- Deep expertise in distributed systems, modular design, and SOLID principles, with a track record of architectural ownership
- Experience building scalable, maintainable APIs and working with message-queuing concepts
- Fluency with CI/CD, monitoring, and what it takes to run reliable, high-throughput services in production
- Comfort with a range of testing strategies for robust, reliable software
- A working understanding of relational databases and structured logging systems
- Strong communication and influencing skills, able to align engineers and non-engineers around a technical vision
- A self-starter mindset that balances both tech and product decisions to come up with a balanced outcome for both customers and engineers.
- A history of mentoring engineers and explaining your solutions to non-engineers
Nice to have:
- Some experience working with mobile SDKs (iOS, Android) or Web in React
- Previous experience working on a B2B/SaaS product
You can explore our tech stack on StackShare.
Why Veriff?
We are the preferred identity verification platform partner for the world’s most innovative growth-driven organizations helping conveniently verify and safeguard users anywhere in the world. We support the broadest number of identity documents from nearly every country and territory in the world – and this is continually increasing! With a diverse team in the United States, United Kingdom, Spain, and Estonia, as well as robust backing and funding from investors including Accel, Alkeon, IVP, Tiger Capital, and Y Combinator, we’re dedicated to helping businesses and individuals build a safer and more secure world. We strive to be the benchmark for trust online, and we take pride in being a positive force.
When you join Team Veriff, we offer you the opportunity to have a real impact and advance your career, while looking after you along the way with a range of benefits designed with you in mind. Some of our favorites include…
- Flexibility to work from home
- Stock options that ensure your share in our success
- Extra recharge days on top of your annual vacation
- Comprehensive relocation support to Estonia or Spain
- Extensive medical, dental, and vision insurance to ensure you’re feeling great physically and mentally
- Learning and Development & Health and Sports budget that you are free to tailor to your own needs
- Four weeks of fully paid sabbatical leave after reaching your 5th work anniversary
We are an Equal Opportunities employer committed to a diverse and representative team. Different opinions, perspectives and personalities push us forward. We want to hear from people who are passionate about their work and align with our values. Regardless of race, religion, color, national origin, gender, sexual orientation, age, marital status or disability. We also know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates – so rest assured, whoever you are, we want to hear from you!
Please be informed that in the final stage of the recruitment process we may request you to go through identity verification. For more information, please see Recruitment Privacy Policy. #SPBTAL #LI-Remote
Annual salary information is not provided for this position. Explore salary ranges for similar roles in our Salary Directory ›
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