• Analyze, design, and develop the project end-to-end • Develop a mobile-first PWA using React and TypeScript • Design and develop APIs connected to PostgreSQL • Implement processes for efficient image management and storage • Implement client-server synchronization processes and offline functionality • Analyze and optimize application performance and architecture • Define mobile-oriented UI/UX solutions • Integrate authentication using OAuth 2.0 with Microsoft • Handle the deployment of the solution

• Build production-grade security applications and services using Python • Develop internal security platforms and tooling from scratch • Create security APIs and integrations with existing systems • Build automation to detect misconfigurations, enforce security baselines and automate security reviews and alerts • Design and implement AI-powered security integrations • Design and enforce secure cloud architectures (AWS) • Implement policy enforcement for IAM least-privilege models, secrets management (e.g., Vault, SSM, Sealed Secrets) and security groups and private networking • Secure CI/CD pipelines (GitHub Actions) to prevent secret leakage and enforce signed artifacts and immutable builds • Own code and artifact scanning: SAST / DAST, dependency & SBOM scanning, container image scanning • Define security gates that balance developer velocity and risk • Improve runtime security controls: detection of suspicious activity and abuse prevention • Policy enforcement in production • Partner with teams on threat modeling and secure design reviews • Support incident response and post-mortems from a security perspective • Drive continuous improvement from security incidents and near-misses • Lead technical aspects of security incident investigations

Role Description - Architect and design scalable, high-performance backend systems using Java, Spring Boot, and Microservices architecture - Drive Domain-Driven Design (DDD) practices to align technology solutions with business capabilities - Design and implement event-driven systems, APIs, and distributed services for capital markets platforms - Collaborate with product owners, business stakeholders, and engineering teams to translate functional requirements into technical solutions - Define and enforce architecture standards, best practices, and design patterns - Ensure system reliability, performance, security, and scalability - Lead code reviews, design discussions, and technical governance - Optimize systems for low latency and high throughput, critical for financial transaction processing - Work closely with DevOps teams to ensure CI/CD, observability, and cloud readiness - Support production systems, troubleshoot complex issues, and drive continuous improvements Qualifications - 10+ years of experience in backend development with strong expertise in Java - Hands-on experience in: - Spring Boot / Spring Framework - Microservices architecture - REST APIs & event-driven systems - Strong experience in Domain-Driven Design (DDD) principles and implementation - Experience in designing and building distributed systems in a high-availability environment - Solid understanding of: - Data modeling and database design (SQL/NoSQL) - Messaging systems (Kafka, MQ, or similar) - Proven experience in system design, architecture, and performance optimization - Excellent problem-solving and analytical skills - Strong communication and stakeholder management abilities Requirements - Experience in Capital Markets / Banking / Financial Services domain - Exposure to real-time trade processing systems (Middle Office / Post-trade) - Knowledge of cloud platforms (AWS/Azure/GCP) - Experience with containerization (Docker, Kubernetes) - Familiarity with DevOps practices (CI/CD pipelines, monitoring tools) - Understanding of event sourcing, CQRS patterns - Exposure to Agile/Scrum methodologies

• Embed with engineering teams across Reap to build and integrate agentic payment capabilities into their systems • Own agentic features end-to-end across team boundaries: design the flow, build it where it needs to live, and operate it in production • Build backend services in Node.js / TypeScript (NestJS or Elysia) for high-performance APIs and async jobs • Work with AWS cloud-native services (Lambda, SQS, EventBridge, Aurora, S3, CloudWatch) for scalable, resilient architectures • Turn the agentic payments roadmap into shipped infrastructure • Collaborate directly with product, founders, and the host team's engineers • Leverage AI tools and modern development practices to move fast across multiple systems