Principal Performance Engineer | Build the Future of Performance Engineering
Location: Fully Remote (Spain)
Type: Full-Time | Permanent
Industry: FinTech / Payments
Salary: €80,000 + Bonus
Level: Principal | Hands-On | Strategic Leadership
Do you want to own, shape, and lead a performance engineering function at scale?
ViVA Tech Talent is hiring on behalf of a high-growth FinTech company. They’re looking for a Principal Performance Engineer to define and deliver performance testing environments, tooling, and strategy across a hybrid infrastructure. This is a chance to shape something foundational from the ground up.
Why You’ll Love This Role
Full Ownership – Define and deliver the performance strategy across the business.
Strategic Influence – Guide performance direction across engineering and operations.
Real-World Simulation – Architect environments to replicate production traffic at scale.
Visible Impact – Your work directly supports key systems used by thousands.
Empowered Culture – Work within a curious, outcomes-driven engineering team.
What You’ll Be Doing
* Lead the design and implementation of performance testing strategy across systems and teams.
* Architect realistic test environments for load, stress, and soak testing.
* Work with Engineering and DevOps to build performance into the development lifecycle.
* Translate real user activity into scalable test simulations.
* Build tooling to support system modelling and load generation.
* Tune infrastructure and applications to support high availability and scalability.
* Drive early performance analysis and risk mitigation across product teams.
* Provide visibility of testing results and performance trends to technical leadership.
What You Bring
* 8–10 years of performance engineering experience within large-scale tech environments.
* 5+ years in a senior or lead-level role.
* Deep knowledge of performance testing tools (e.g. JMeter, BlazeMeter, K6, Kibana).
* Strong experience testing APIs, UIs, services, and enterprise databases (e.g. Oracle, PostgreSQL).
* Ability to design replica environments that mimic production performance.
* Familiarity with IaC and modern DevOps practices.
* Skilled at identifying bottlenecks across application and infrastructure layers.
* A pragmatic, strategic mindset with a focus on systems that scale.
What You’ll Get
€80,000 + performance bonus
Unlimited holiday policy
Fully remote with home setup & broadband budget
Premium equipment & dual-monitor setup
Annual learning budget + tuition reimbursement
Inclusive culture with healthcare, pension & wellbeing support
A tech-first environment that values ownership, autonomy, and delivery
Ready to Drive Performance at Scale?
Be the architect behind a new performance capability at one of the most forward-thinking FinTechs.
Apply via LinkedIn – don’t miss this unique opportunity!