Senior Technical Lead – Payments Domain UST, a multinational company based in North America and present in more than 30 countries, holds a Top Employer certification and employs over 35,000 people worldwide. We are a leader in digital technology services, delivering large‑scale solutions to major corporations.
The role is 100% remote, and candidates must be based in Spain.
Responsibilities Take ownership of a critical production application within the payments domain, including architecture, development, and delivery. Lead technical efforts and drive the technical roadmap.
Skills & Knowledge Proven experience in a technical leadership role
Fluency in Spanish and English (minimum B2, both written and spoken)
Strong knowledge of solution architecture design and experience in architectural development projects
Solid experience in demand management and prioritization
At least 2+ years of experience in data/software engineering
Technical Expertise Experience building Big Data applications, including Spark SQL / Spark Structured Streaming, Kafka Streams, Kafka, Databricks, Cloudera, and AWS
Knowledge of Scala
Proficiency in Java programming
Strong knowledge of SQL databases
Experience designing and building APIs (OpenAPI)




Solid expertise in systems analysis
Ability to work effectively in complex, high‑pressure, and high‑visibility environments
Nice to Have Strong understanding of payments systems, SWIFT, and liquidity management
Benefits 23 days of annual leave plus the 24th and 31st of December as discretionary days
Health Care Plan, teleworking compensation, Life and Accident Insurance
Retribución Adaptable program: meals, kindergarten, transport, online English lessons, Health Care Plan
Free access to several training platforms
Professional stability and career plans
Referral program eligibility
Option to choose between 12 or 14 salary payments throughout the year
Real Work‑Life Balance measures: flexibility, WFH/remote policy, compacted hours during the summer
Access to UST Club Platform discounts and gym membership discounts
We are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation, or nationality. We have a special commitment to Disability & Inclusion and are interested in hiring people with a disability certificate.
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📌 Tech Lead Specialist | Data/Software Engineering | 100% Remote (Alicante (Alacant) (Cáñar)
🏢 UST España & Latam
📍 Cáñar