Senior Software Engineer, Java

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🕒 Julho 14

🇺🇸 Estados Unidos – Remoto (EUA)

⏰ Tempo Integral

🟠 Sênior

🔙 Engenheiro Backend

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Kunai

SiteLinkedInTodas as Vagas

51 - 200 funcionários

Fundada em 2001

💼 Consultoria

📦 Logística

📣 Marketing

Consulting • Logistics • Marketing

A Kunai é uma empresa focada em acelerar a inovação no setor financeiro, oferecendo serviços especializados em desenvolvimento de produtos, IA e automação, engenharia de nuvem e engenharia de dados. Fundada por profissionais experientes de instituições líderes em bancos e fintechs, a Kunai busca transformar novas ideias em produtos financeiros prontos para o mercado, aprimorar a eficiência operacional através da IA e ajudar os clientes a navegar por ambientes complexos de nuvem, levando, em última análise, a uma melhoria na tomada de decisões e nas experiências dos clientes no setor financeiro.

Descrição

• You will be embedded across one or more workstreams supporting digital payments engineering, with responsibilities that may include: • Design and execute enterprise-grade performance testing strategies for payment processing services, defining frameworks, tooling, and success criteria from the ground up. • Identify performance bottlenecks across legacy and modern service layers and drive measurable improvements through analysis and targeted optimization. • Instrument and validate services running on Java, Oracle, Tomcat, and WebSphere as well as modern workloads running on PostgreSQL and OpenShift. • Collaborate with backend engineers to ensure scalability requirements are met across all environments prior to release. • Translate performance findings into clear recommendations for engineering leads and stakeholders. • Build and maintain full-stack backend services supporting card network integration, working primarily in Java with PostgreSQL and OpenShift Container Platform (OCP). • Contribute to application modernization efforts, migrating and re-platforming services from legacy infrastructure to cloud-native environments. • Leverage AI-assisted development tooling (including GitHub Copilot) to improve development velocity and code quality. • Participate in code reviews, architectural discussions, and cross-team technical planning sessions. • Work with event-driven services running on OpenShift and Oracle and PostgreSQL backends to support data lifecycle and compliance requirements. • Serve as a flexible, senior contributor across teams where engineering depth and experience are needed most.

🎯 Requisitos

• 5+ years of professional software engineering experience, primarily in Java. • Strong working knowledge of relational databases — Oracle and/or PostgreSQL required. • Experience deploying and operating services in containerized environments (OpenShift, Kubernetes, or equivalent). • Familiarity with legacy enterprise application servers — Tomcat and/or WebSphere experience a plus. • At least one enterprise-level performance testing engagement — defining strategy, selecting tooling, executing tests, and presenting findings. • Experience with performance profiling, load testing, and bottleneck resolution in high-throughput, distributed systems. • Ability to design logical, streamlined test frameworks from scratch and operate with minimal guidance. • Background in digital payments, card processing, or financial services technology strongly preferred. • Understanding of PCI compliance requirements and secure data handling practices. • Familiarity with event-driven architecture patterns and OpenShift-based eventing. • Demonstrated ability to work effectively in large, matrixed program environments with multiple teams and stakeholders. • Strong written and verbal communication skills; able to translate technical complexity for non-technical audiences. • Comfortable operating in environments with evolving requirements and ambiguity.

🏖️ Benefícios

• Competitive compensation • Professional development opportunities • Flexible work arrangements