Senior Backend Developer

Description

100% remote position. We are looking for a **Senior Backend Developer for our Architecture area**, come and help us move Brazil! About the area: Propose, validate, develop, and document architectural solutions related to the Machine platform. Collaborate and guide in solving architectural problems. Audit the correct use of proposed architectural patterns. Gaudium helps entrepreneurs bring urban mobility and delivery to the entire country, transforming the lives of passengers, drivers, and delivery people in more than 1\.200 Brazilian cities. We are responsible for more than 300 million rides and deliveries, moving more than 1.5 billion reais annually throughout the country through our clients. See more about Gaudium and Machine at: https://gaudium.global/ **Responsibilities and attributes** * Perform profiling and benchmarking of services in Go and PHP and optimize the application's hotpaths; * Analyze and optimize high-volume queries: execution plans, indexing, tuning, and adjustments to database modeling; * Monitor performance in production and identify bottlenecks and scalability risks; * Investigate performance issues in depth: raise hypotheses, instrument the system, create proofs of concept, and validate solutions with measurements; * Propose architectural changes when measurements justify, involving gRPC, WebSocket, caching, and messaging; * Lead the modernization of the legacy system: gradually migrate critical flows from PHP to Go services, with measurement before and after and without interrupting production; * Use LLMs in the development flow and evaluate AI applications in the squad's products and processes; * Suggest improvements that ensure the robustness and scalability of the system and the continuous evolution of the product. **Requirements and qualifications** * Fluency in Go and PHP; * Solid foundations in Computer Science: data structures, algorithms, and complexity analysis, concurrency, networks, and operating systems; * Experience in SQL query optimization (execution plan analysis, indexing, and tuning) and solid knowledge in data modeling; * Experience with hotpath optimization: profiling and benchmarking code and optimizing critical sections; * Knowledge of gRPC and WebSocket; * Practical experience with AI: use of LLMs in the SDLC; * Experience with development, testing, and maintenance of web applications in high-availability environments; * Knowledge of software architecture, SOLID principles, and design patterns; \* Skill in working with RESTful APIs; * Exploratory profile: technical curiosity, autonomy to investigate issues in depth, and willingness to learn new technologies and work on complex and challenging tasks; * Enjoy working in a team with transparency and honesty, focusing on results with excellence and agility. * Experience with observability and APM (e.g., Prometheus, Grafana, distributed tracing); * Experience with caching and CDN strategies (e.g., Redis, Cloudflare); * Experience with messaging and asynchronous processing (e.g., Kafka, RabbitMQ, queues); * Experience with Docker and Kubernetes. **Additional information** **Benefits:** * 100% home office work: working from home, requires a quiet environment, good internet connection, and privacy for meetings; * CLT Salary **(R$****15\.951,21 to 17\.401,32\);** * Health plan \- Bradesco Saúde or SulAmérica (Offered by the company at no cost to the employee; if there are dependents, there is a cost per dependent); * Dental plan \- Bradesco Saúde (Optional and paid for by the employee); * Life insurance; * Daily Food Voucher of R$ 50.00 (flash benefits card); * Remote work allowance of R$ 131.16; * Wellhub (Gympass); * Day off: One day off in the month of your birthday; On Carnival and Ash Wednesday; On December 24 and 31\. * An environment with various challenges that will make you grow and develop quickly. **Company values:** * Teamwork (We encourage cooperation); * Honesty and transparency (We value an ethical, reliable, and sincere posture, we tell the truth and share information); * Excellence (We focus on continuous improvement and always seek evolution); * Agility and Results (We solve real problems, seeking to simplify solutions with agility and quality); * Challenge (We value those who like to challenge themselves and step out of their comfort zone). To apply for the positions, it is necessary to click the "Apply" button and fill out the resume through the platform. Attention: We do not respond to messages via LinkedIn or receive resumes through other communication channels; we centralize all communications on Gupy to ensure more efficient contact and better management. Gaudium, owner of Machine, develops Brazil's largest White Label platform for managing mobility and delivery operations. Our purpose is to empower companies to create their own applications, with robust and scalable technology. Come be part of this high-performance team that loves challenges! Learn more at: https://www.gaudium.global/carreiras