Software Development Analyst – Level III

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Voltz

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

💳 Fintech

👥 B2C

⚡ Energy

Fintech • B2C • Energy

Voltz is a fintech company that focuses on providing financial solutions for managing energy bills, specifically targeting customers of Energisa. With options for negotiating and parceling overdue energy invoices, it offers services that simplify payment processes and enhance financial inclusion for users. As part of the Energisa Group, Voltz aims to support clients in achieving financial stability while promoting innovative payment methods such as Pix and credit options, ultimately fostering economic development in Brazil.

📋 Description

• Be the technical owner of a domain or subsystem, ensuring safe and healthy evolution over time. • Ensure the domain operates with agreed SLOs (latency/errors/availability) and actively work to improve reliability. • Lead technical planning and execution for the domain: decomposition, dependencies, risks, implementation and validation. • Consistently raise the team's technical level: promote best practices, enforce thorough code review, provide references, documentation and standards. • Serve as an internal technical reference: support complex decisions, unblock discussions and reduce rework. • Lead incident response for your domain: mitigation, rigorous RCA and structured preventive actions.

🎯 Requirements

• TypeScript + Node.js (async/await, promises, error handling; event loop, streams and concurrency). • REST API development with OpenAPI (contracts, validation and status codes). • SQL (Postgres): queries, migrations, query optimization and indexes. • Git and PR workflow (small commits, rebase and straightforward conflict resolution). • Automated testing (unit, integration and contract) with Jest. • CI/CD and deployment: pipelines (lint/test/build/deploy), smoke tests, environment variables and logging. • Observability: structured logs, basic metrics and lightweight tracing. • Messaging and resilience (BullMQ/RabbitMQ): retries, DLQ, idempotency and ordering when necessary. • Performance and scalability: profiling, common bottlenecks and trade-offs. • Applied system design basics: rate limiting, circuit breaker, bulkhead and graceful degradation. • Concurrency and data integrity: locks and consistency (optimistic/pessimistic). • Basics of NoSQL and caching (TTL and risks of inconsistency). • Incident management: mitigation, RCA/post-mortem and preventive actions.

🏖️ Benefits

• Meal or grocery allowance to buy food for your home or to eat at your favorite restaurant. • Health and dental insurance for you and your family. • Private pension plan for your financial savings and investments. • Life insurance to provide extra peace of mind for you and your loved ones. • Profit-sharing as an incentive for your work and results. • Quality-of-life programs that ensure well-being and promote employee health. • Wellhub access to over 18,000 gyms across Brazil.