Senior Solutions Engineer

About Unlimit   Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single, intelligent platform.   Across 17 offices globally, Unlimit bridges hyper-local expertise with a high-capacity financial network, giving companies the agility to expand across regions with operational confidence and speed. Driving the evolution of payments, Unlimit is transforming its infrastructure from human-operated fintech into AI-native financial infrastructure — where APIs are consumed by machines, integrations are negotiated by agents, and systems evolve continuously through intelligent automation. Our next users are not only humans. They are AI agents acting on behalf of humans and businesses.   Unlimit serves more than the needs of businesses today; we are building the nervous system for a borderless global economy. About the Role At the core, you enjoy helping customers and internal stakeholders using your deep technical knowledge. As a Solutions Engineer at Unlimit, you will be the technical expert helping our customers design integration solutions, solve complex problems, and successfully launch their financial projects. You will act as the key bridge between our clients and our internal teams (Product, Engineering, Sales, Support, and Account Management). Because we are growing, this is a unique opportunity to join as the first member of our Solutions Team in the region, where you will have the agency to help define and shape our local standard operating procedures (SOPs). What You Will Do Your role is dynamic, balancing direct technical execution with strategic account management. You will divide your time as follows: Integration Work (40%): Assist signed customers in technical integrations from sandbox to public product launches. You will lead requirements gathering, provide technical recommendations, conduct testing, and oversee initial transaction monitoring. Pre-Sales Support (40%): Partner with Sales and Account Management to win new business. This includes performing technical product demos, answering security and RFP questionnaires, and architecting integration solutions to fit the prospect's use cases. Technical Account Management (20%): Provide high-level, strategic support for our most important, high-volume, or strategic accounts. You will ensure the ongoing success of these relationships and identify opportunities for growth. Process Improvement: Drive business process optimization by refining the customer journey, from initial sales discovery to final project go-live. Required Skills and Qualifications Technical Expertise: Deep understanding of API concepts, security mechanisms and integration patterns. Architecture Knowledge: Strong grasp of SaaS architecture, cloud computing conventions, and modern web applications. AWS knowledge would a plus. Engineering Fundamentals: You should be able to demonstrate coding skills in Java, writing databases queries in SQL, be familiar with software frameworks, and client-server architecture. Scripting in Python would be a plus. Tools: Postman, Claude Code/Codex/Other AI Harness, any DB client and any OpenAPI demo tool. Communication: Proven ability to present and explain complex technical concepts to non-technical stakeholders with a high level of organization. Key Success Metrics Customer Satisfaction: Your ability to provide exceptional product and project execution feedback. Time-to-Value: Reducing the time between contract execution and the "go-live" milestone. Revenue Impact: Directly supporting the closing of key deals and enabling existing customers to utilize the full scope of their purchased services.