Senior Software Engineer

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🕒 April 17

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N5X

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2023

⚡ Energy

🏪 Marketplace

☁️ SaaS

Energy • Marketplace • SaaS

N5X is a Brazilian energy trading platform and new energy exchange that provides a digital marketplace and trading infrastructure for physical electricity contracts and related energy products. Jointly backed by L4 (a B3-linked investment fund) and Nodal Brazil/EEX Group, N5X combines local market expertise with international exchange experience to enable efficient, governed, and technology-driven energy transactions. The platform offers products, APIs, and participant-focused tools to support market growth, transparency, and increased trade volume in Brazil's liberalized energy market.

📋 Description

• Develop and evolve the risk squad's systems, focusing on pre-trade validations, exposure calculation, and real-time event processing; • Implement Java services for processing risk rules, ensuring low latency, consistency, and high availability; • Build and optimize data pipelines for ingestion, transformation, and delivery of information used by risk models; • Work with large volumes of data, ensuring quality, integrity, and performance in processing and storage; • Develop data transformation and enrichment components to support risk calculations and real-time decision-making; • Integrate risk systems with distributed messaging, ensuring efficient and scalable asynchronous processing; • Collaborate on defining data models and service contracts, ensuring consistency and sustainable architectural evolution; • Implement monitoring and data validation routines to identify inconsistencies and prevent operational impacts; • Handle incident resolution and root cause analysis related to data processing and risk calculations; • Contribute to continuous improvement of performance, code quality, and data pipeline efficiency.

🎯 Requirements

• Degree in Computer Science, Information Systems, Systems Analysis and Development (ADS), or related technology fields; • Proven ability to develop distributed systems in Java with high performance, low latency, and high availability; • Hands-on experience building calculation engines or mission-critical systems that process large volumes of data in real time; • Strong knowledge of microservices architecture and event-driven integration using messaging; • Experience with distributed messaging such as Kafka or RabbitMQ for asynchronous and real-time processing; • Ability to design resilient, scalable, and secure solutions in production environments; • Experience with observability for distributed systems, including logs, metrics, and tracing; • Ability to make technical decisions considering trade-offs between cost, risk, and performance; • Practical experience with agile methodologies and collaboration with cross-functional teams; • Fluency in Portuguese and English.

🏖️ Benefits

• Bonus: Up to 2 months' base salary per year; • Work model: Hybrid – 3 days in the office per week; participation in in-person team rituals (currently quarterly), in-person meetings with stakeholders, and company events; • Meal allowance: R$ 43.68 per working day; • Food allowance: R$ 832.00 per month; • Transportation: Round-trip fare for in-office days covered with no payroll deduction; • Health plan: SulAmérica with copayment for the employee and their beneficiaries (children and spouse); • Life insurance: MetLife; • Childcare assistance: Reimbursement of up to 40% of the base salary for children up to 24 months and 35% for children between 24 and 71 months; • Financial assistance for employees with children with disabilities: Amount equivalent to 50% of the base salary.