Senior Software Engineer

Senior C++ Contract Software Engineer – Fully Remote High-Scale Greenfield BuildFully remoteGrowing team Drive Global Financial Access Through High-Performance C++ Engineering A well-established and rapidly expanding global fintech business is bringing on a Senior C++ Engineer to accelerate a core greenfield build. The company’s underlying mission is financial inclusion—building modern payment technologies that provide vital financial services and enable life-changing payments to underprivileged and underbanked populations around the world. This contract provides a rare mix of pure greenfield development, hard technical problems at scale, and real-world purpose. You’ll join a lean, highly capable core engineering team where your work will have high visibility and immediate impact. With minimal red tape, quick decision-making, and high trust, you can focus purely on doing what you do best: architecting and shipping clean, resilient, high-concurrency software. Key Responsibilities Architect & Build: Design, implement, and maintain high-throughput, low-latency C++ applications that power critical international payment flows.Ship Greenfield Code: Drive new backend capabilities across C++, Golang, PHP, and HTML to expand financial accessibility into new emerging markets.End-to-End Delivery: Take full technical ownership of complex features from design and multi-threaded implementation through to testing and deployment.Collaborate at Scale: Work closely alongside senior developers, support engineers, and global technology partners to ensure reliability and performance. What We’re Looking For 6+ years of software engineering experience in production C++ environments.Deep technical depth in multi-threaded programming and high-concurrency systems architecture.Strong mastery of REST API design principles and microservices integration.Solid hands-on experience with relational databases and writing performance-tuned SQL.A practical, delivery-focused contract mindset—able to jump straight in, navigate complex technical problems, and deliver value quickly. Contract Summary Role Type: Daily Rate Contract (Initial 6–12 month duration, strong likelihood of extension).Location: 100% Fully Remote.Rate: Highly competitive daily rate (DOE).