Job detail for Software Development Specialist I

Company Description

Experian is a global data and technology company that powers opportunities for people and businesses around the world. We operate in diverse markets, such as financial services, healthcare, automotive, agribusiness, insurance, among others. Experian invests in people and new advanced technologies to unlock the power of data. We have an incredible team of 25,200 employees in 32 countries.

Our uniqueness is valuing yours. Experian's people-centric, inclusive, and purpose-driven culture is recognized by numerous awards — including World’s Best Workplaces™ 2025 (Fortune's Top 25 global) and Great Place To Work™ in 26 countries, among others. Check out Experian Life on social media or explore our careers site to understand why. Experian is also proud to be an equal opportunity employer and affirmative action employer.

Job Description

Job Description

You will work on the development and evolution of the unified SDK backend core, being responsible for the services that receive, process, and correlate security, integrity, and fraud signals from capture layers. Your role is to transform raw data into actionable intelligence, issuing reliability decisions that determine the continuation or blocking of validation flows.

You will participate in building highly scalable, resilient, and observable platforms capable of operating in mission-critical and high-volume transactional environments. You will work in partnership with Architecture, Security, Platform, and Engineering teams to ensure services meet performance, availability, and protection requirements against new threats.

You will also actively contribute to the evolution of digital fraud detection mechanisms, device compromise, channel integrity, and risk analysis, responding quickly to new attack vectors identified in production and supporting the continuous evolution of the SDK.

**Key **

• Develop and maintain critical microservices responsible for processing and correlating SDK security, fraud, and integrity signals.
• Implement reliability assessment mechanisms based on indicators of device compromise, session integrity, and digital injection detection.
• Design and develop scalable solutions using Go, focusing on high performance and concurrent processing.
• Ensure the reliability, availability, and observability of services through metrics, logs, traces, and continuous monitoring.
• Participate in the definition and evolution of microservices architecture and system integration patterns.
• Develop secure and efficient APIs for communication between SDKs, anti-fraud platforms, and corporate services.
• Implement security controls related to authentication, authorization, encryption, and channel protection.
• Act in the investigation and mitigation of incidents related to fraud, security, and platform stability.
• Participate in CI/CD processes, deployment, monitoring, and support for production environments.
• Contribute to code reviews, definition of best practices, and the evolution of engineering technical quality.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related fields.
• Solid experience in backend application development using Go (Golang).
• Advanced knowledge of concurrent programming, parallelism, and performance optimization.
• Experience with distributed microservices architecture.
• Knowledge of inter-service communication using REST APIs, gRPC, and messaging.
• Experience with observability, monitoring, centralized logging, and distributed tracing.
• Knowledge of containers and orchestration using Docker and Kubernetes.
• Experience with CI/CD pipelines and deployment automation.
• Knowledge of backend application security, authentication, authorization, encryption, and API protection.
• Experience with relational and non-relational databases.
• Experience working in high-availability and high-volume processing environments.

Desirable Qualifications

• Experience in fraud prevention, digital identity, or authentication products.
• Knowledge of device fingerprinting and device compromise detection.
• Experience with real-time event processing.
• Knowledge of event-driven architectures.
• Experience with Kafka, RabbitMQ, or similar messaging platforms.
• Knowledge of Site Reliability Engineering (SRE).
• Experience with cloud environments (AWS, Azure, or GCP).
• Knowledge of behavioral analysis, transactional fraud, or risk decision engines.
• Experience with DevSecOps practices.

Behavioral Competencies

• Strong analytical capacity and systems thinking.
• Ability to solve complex technical problems.
• Collaborative and results-oriented profile.
• Sense of ownership and technical leadership.
• Ability to make data-driven decisions.
• Excellent communication skills for interacting with teams.
• Continuous interest in innovation, digital security, and technological evolution.

Additional Information

Serasa Experian is much more than you imagine. With the purpose of creating a better future by expanding opportunities for people and businesses, in Brazil we are more than 4,000 people working in diverse teams and specialties. Here, every knowledge and diversity complements each other and you can work on what you love most. We are committed to building an inclusive culture and an environment where people can balance their careers with their personal commitments and interests, valuing well-being.

We are dedicated to being one of the best and most innovative companies to work for in the country, enabling incredible experiences and careers for our people. Our strong people-first approach is recognized externally through various market certifications: we have been awarded by Great Place To Work™ in 24 countries and by the international Top Employers certification, in addition to being recognized as one of the best companies for young professionals and having a 4.6 rating on Glassdoor. Each recognition indicates that we are on the right path, providing an increasingly better work environment for our talent.

Experian Careers - Creating a better tomorrow together

Find out what its like to work for Experian by clicking here