Backend Senior Developer

We are seeking experienced Senior Developer to design, build, modernize, and support enterprise-grade applications for the financial market, including funds, cards, payments, and related banking or transaction-processing platforms. The role involves on-premises and cloud servers/services, distributed systems, API platforms, data services, and mainframe-integrated environments. The ideal candidates will have strong software engineering fundamentals, hands-on experience with Java and modern backend frameworks, cloud-native AWS services, messaging, databases, DevOps practices, and the ability to collaborate effectively in Agile/Scrum teams.

Key Responsibilities

Design, develop, test, deploy, and maintain scalable enterprise applications using Java SE 11+, Java EE 9+, Spring Framework, and Spring Boot.
Support financial market solutions involving funds, cards, payments, banking integrations, and transaction-processing workflows.
Build and maintain RESTful APIs and backend services with secure authentication and authorization patterns, including OAuth 2.0.
Develop cloud-native solutions using AWS services such as API Gateway, Step Functions, Lambda, AuroraDB, DynamoDB, and Redis.
Support hybrid application landscapes that include on-premises servers/services, cloud services, and integrations between both environments.
Integrate enterprise systems using IBM MQ, IBM DB2, Redis, APIs, and event-driven communication patterns.
Support applications that interact with mainframe systems as an end user, including navigation, validation, and issue investigation.
Contribute to frontend and full-stack development using Node.js, React, NestJS, and NGINX where required.
Participate in API creation, documentation, testing, versioning, and lifecycle management.
Build, maintain, and improve CI/CD pipelines using GitLab and modern DevOps practices.
Deploy and support containerized applications in OpenShift environments.
Use AI CLI tools responsibly to improve developer productivity, code analysis, troubleshooting, and documentation.
Monitor, analyze, and troubleshoot application behavior using Splunk, Amazon CloudWatch, and Dynatrace.
Troubleshoot production and non-production issues involving applications, databases, messaging, cloud services, networking, and integrations.
Collaborate with product owners, QA, architects, business stakeholders, and operations teams to deliver reliable solutions.
Use Jira and ServiceNow for Agile delivery, incident management, change management, and operational support.
Mentor junior and mid-level developers through code reviews, design guidance, technical coaching, and engineering best practices.
Produce high-quality technical documentation, implementation plans, deployment notes, and support procedures.

Required Technical Skills

Strong experience with Java SE 11+ and enterprise Java development.
Experience with Java EE 9+ application development and enterprise integration patterns.
Strong hands-on experience with Spring Framework and Spring Boot.
Experience with Python 3.x for automation, scripting, data processing, testing, or backend services.
Solid understanding of API design, RESTful services, API creation, integration, and lifecycle management.
Experience with IBM DB2, including SQL development, performance troubleshooting, stored procedures, and schema analysis.
Experience with IBM MQ or similar enterprise messaging platforms.
Experience with Redis for caching, session management, or distributed application use cases.
Hands-on experience with AWS services, including:
- API Gateway
- Step Functions
- Lambda
- AuroraDB
- DynamoDB
- Redis or ElastiCache
Experience deploying or supporting applications on OpenShift.
Experience supporting applications across on-premises and cloud servers/services.
Experience with CI/CD pipelines, preferably using GitLab.
Experience with Node.js, React, NestJS, and NGINX.
Experience implementing OAuth 2.0 authentication and secure service-to-service communication.
Experience with observability and monitoring platforms such as Splunk, Amazon CloudWatch, and Dynatrace.
Practical experience with development tools such as VS Code and IntelliJ IDEA.
Familiarity with AI CLI tools for software development productivity.

Required Process and Collaboration Skills

Strong experience working in Agile/Scrum delivery teams.
Experience using Jira for backlog management, sprint planning, tracking, and reporting.
Experience using ServiceNow for incidents, requests, changes, or operational workflows.
Ability to communicate clearly with technical and non-technical stakeholders.
Strong analytical, debugging, problem-solving, and root-cause analysis skills.
Ability to work independently while also collaborating effectively across distributed teams.
Ability to mentor other developers and promote engineering excellence.

Preferred Qualifications

Experience modernizing legacy enterprise or mainframe-integrated applications.
Experience in financial services, funds, card platforms, payment systems, or banking transaction environments.
Experience with hybrid infrastructure, including on-premises systems integrated with cloud-native services.
Experience designing resilient distributed systems using asynchronous messaging and cloud workflows.
Experience with observability, logging, monitoring, alerting, and production support using tools such as Splunk, CloudWatch, and Dynatrace.
Experience with database optimization across relational and NoSQL platforms.
Experience with secure coding, vulnerability remediation, and enterprise security standards.
Experience with automated testing frameworks for Java, Python, Node.js, and React applications.
Experience designing reusable API patterns, integration templates, and developer standards.

Tools and Platforms

Languages and Frameworks: Java SE 11+, Java EE 9+, Python 3.x, Spring Framework, Spring Boot, Node.js, React, NestJS
Databases and Data Stores: IBM DB2, AuroraDB, DynamoDB, Redis
Messaging and Integration: IBM MQ, REST APIs, API Gateway
Cloud, Platform, and Infrastructure: AWS, OpenShift, Lambda, Step Functions, on-premises servers/services, cloud servers/services
DevOps and Source Control: GitLab, CI/CD pipelines
Web and Runtime: NGINX
Observability and Monitoring: Splunk, Amazon CloudWatch, Dynatrace
IDEs and Developer Tools: VS Code, IntelliJ IDEA, AI CLI tools
Enterprise Tools: Jira, ServiceNow
Security: OAuth 2.0 authentication
Mainframe: Mainframe usage as an end user

Quem somos:

Cognizant (NASDAQ: CTSH) é uma construtora de IA e fornecedora de serviços de tecnologia, criando a ponte entre o investimento em IA e o valor para as empresas por meio do desenvolvimento de soluções de IA completas para nossos clientes. Nossa profunda experiência em setores, processos e engenharia nos permite incorporar o contexto único de cada organização em sistemas tecnológicos que potencializam a capacidade humana, geram retornos concretos e mantêm empresas globais à frente em um mundo em rápida transformação. Saiba mais em www.cognizant.com ou @cognizant.

A Cognizant é uma empregadora que investe em equidade. Sua candidatura não será pautada em raça, cor, gênero, sexualidade, credo, origem, deficiência, gravidez ou qualquer outra característica protegida pelas leis brasileiras.

Informações adicionais de emprego

Os candidatos podem ser obrigados a comparecer a entrevistas presenciais ou por videoconferência. Além disso, os candidatos podem ser obrigados a apresentar seu documento de identificação emitido pelo estado ou governo atual durante cada entrevista.

Embora nosso sistema permita a candidatura em todos os idiomas, o(s) idioma(s) e o(s) nível(is) de proficiência exigidos para o trabalho variam. No entanto, é necessário um nível básico de inglês para fins de comunicação em toda a empresa.

Se você tem uma deficiência que requer adaptações razoáveis para procurar uma vaga de emprego ou enviar uma candidatura, envie um e-mail para [email protected] com sua solicitação e informações de contato.