Jobs at Flex

Build and maintain backend systems, payment integrations, data pipelines, and user experiences for Flex’s partner engineering platform. Design robust, fault-tolerant services that integrate with external dependencies, using Java, Spring, AWS, REST APIs, message queues, and scalable architectures. Collaborate cross-functionally with engineering, product, design, infrastructure, sales, partners, and customer success while mentoring engineers and improving development standards.

The Events Marketing Manager will design and execute bespoke events strategy to enhance brand awareness and partnerships in New Verticals, managing all aspects of the event lifecycle and budget, while analyzing effectiveness and ensuring alignment with revenue goals.

As a Senior Staff Decision Scientist, you will optimize payment decisioning strategies, analyze risk data, and collaborate to improve platform performance and user experience.

Owns test automation and quality efforts for major product areas, including architecting automation frameworks, developing API, UI, and integration tests, and integrating testing into CI/CD pipelines. Leads test strategy, risk analysis, debugging, quality improvements, and release planning. Mentors junior SDETs, reviews test code, analyzes coverage, maintains quality metrics, and drives cross-functional adoption of testing best practices.

Build and own full-stack MarTech services, scalable APIs, event-driven systems, data pipelines, and customer-facing web experiences. Develop with Java, Spring Boot, TypeScript, React, and AWS while integrating advertising, analytics, messaging, and conversion platforms. Partner cross-functionally with marketing, product, data, design, and engineering teams to launch measurable growth features and experiments. The role also involves mentoring engineers, improving technical standards, and supporting high-scale acquisition and retention systems.

Lead design and implementation of backend services for payments, billing, ledgers, settlements, and reconciliation. Drive architecture, integrate with external payment and banking partners, ensure financial accuracy, security, compliance, scalability, and operate mission-critical production services.

Lead design and implementation of backend services and APIs for payments, billing, settlements, ledgers, and reconciliation. Drive architecture for highly available, auditable financial platforms, integrate with payment processors and banking partners, ensure transactional integrity, observability, and compliance. Deliver end-to-end initiatives, mentor engineers, and operate mission-critical systems with strong emphasis on reliability, security, and scalability.

Lead design and implementation of the payment integrations platform (APIs, SDKs, embedded web), build scalable payment rails (ACH), drive technical roadmap, mentor engineers, collaborate cross-functionally, and improve operations via automation, tooling, and observability.

Design, build, test, and scale backend services and integrations (payments, billing, identity, partner integrations). Lead API design and production rollouts, build fault-tolerant systems and data pipelines, collaborate cross-functionally, and mentor peers to deliver frequent, iterative product improvements.

Lead design vision and execute end-to-end product design for Flex's most complex consumer initiatives. Produce high-fidelity prototypes, drive design systems and craft standards, influence product strategy, collaborate cross-functionally, mentor designers, and use AI and front-end fluency to improve workflows and product quality.