Software Technical Lead (.NET)

ImagineX is a tech company that deploys AI-assisted teams to build and secure mission-critical enterprise solutions with our clients – spanning software, data, and AI. Structured like a software company, not a traditional consultancy, we blend deep technical expertise with authentic values, achieving world-class satisfaction (NPS 91). Our dedicated teams specialize in software, data, and AI across the U.S. and LATAM, bridging the gap between boutique agility and enterprise scale.

As a Technical Lead (Payments), you will steer the technical vision, architecture, and delivery of secure, high-throughput payment processing systems and enterprise applications. You will be responsible for leading multidisciplinary engineering squads, defining system architecture, and ensuring PCI-DSS compliance and financial data security, while remaining hands-on with the code using modern C#.NET and React/TypeScript stacks.

This is a full-time position and 100% remote. Must be comfortable working East Coast hours.

Responsibilities

• Technical Leadership & Architecture:Lead the end-to-end design, implementation, and scaling of robust enterprise applications, with a primary focus on secure, high-volume payment processing engines and fintech integrations.
• Backend & Payment Engineering:Drive the development of scalable backend services using C# and .NET, integrating with major payment gateways, tokenization services, and ledger systems.
• Front-End Development: Architect and build secure, responsive, and user-friendly front-end interfaces using React and TypeScript for complex transaction workflows and financial dashboards.
• Security & Compliance: Champion PCI-DSS compliance, data encryption standards, fraud detection mechanisms, and secure handling of sensitive financial and PII data across the application lifecycle.
• Technical Governance & Best Practices: Guide architectural discussions, conduct rigorous code reviews, establish engineering standards, and champion clean code initiatives across development squads.
• Stakeholder & Client Collaboration:Partner closely with product managers, security teams, executive stakeholders, and client partners to translate business requirements into resilient technical roadmaps.
• AI-Assisted Optimization: Leverage AI-assisted tools to optimize development workflows, automate testing protocols, and improve overall system reliability and performance.
• Infrastructure & Reliability: Oversee CI/CD pipeline integration, cloud infrastructure deployments, and transaction monitoring/alerting mechanisms for mission-critical financial systems.
• Mentorship & Team Growth:Mentor senior, mid-level, and junior engineers, fostering a culture of technical excellence, accountability, and continuous improvement.

Qualifications

• 8+ years of professional software engineering experience, with at least 3+ years in a Technical Lead, Lead Engineer, or Principal role.
• Deep domain expertise in payments architecture, transaction processing, payment gateways (e.g., Stripe, Adyen, PayPal), and financial data flows.
• Solid understanding of PCI-DSS compliance, financial security best practices, tokenization, and fraud prevention strategies.
• Expert proficiency in C# and the .NET ecosystem - must be 100% hands on coding currently
• Strong hands-on experience building complex, scalable front-end applications using React and TypeScript.
• Proven experience architecting RESTful APIs, microservices, and managing transactional consistency with relational (SQL Server) and non-relational databases.
• Solid understanding of cloud platforms (AWS, Azure, or GCP) and containerization technologies (Docker, Kubernetes).
• Deep understanding of software engineering fundamentals, distributed systems design patterns, automated testing strategies, and version control (Git).
• Exceptional communication skills, with the ability to articulate complex financial and technical concepts to both technical and executive stakeholders.

This role is based in the US and only open to citizens and permanent residents of the US who do not require visa sponsorship.