Senior Software Engineer, Full-Stack

Conexa Saúde

. Develop new features and evolve existing systems, with a focus on quality, scalability, and maintainability .

Posted 10/22/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates advanced proficiency in Full-Stack Software Engineering, with a strong focus on JavaScript, Node.js, and React. Capable of implementing scalable architectures, optimizing performance, and mentoring developers while ensuring high-quality delivery through Agile methodologies.

Highest-signal resume keywords

Full-Stack Software EngineeringJavaScript and Node.js ProficiencyMicroservices and Distributed Systems ArchitectureCI/CD and Automated Testing ExperienceAgile Methodologies Expertise

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptNode.jsReactMicroservicesRESTful APIsGraphQL APIsPostgreSQLMySQLMongoDBRedis

Soft Skills

Technical CommunicationMentoringAutonomous WorkOwnershipCollaboration

Tools & Technologies

GitCI/CDAWSGCPAzureDockerKubernetesDatadogNew RelicGrafana

Industry Keywords

HealthtechRegulated IndustriesObservabilityMonitoring ToolsEvent-Driven Architecture

Tech Stack

Tools & technologies

AWSAzureDockerGoogle Cloud PlatformGrafanaGraphQLJavaScriptKafkaKubernetesMongoDBMySQLNode.jsPostgresRabbitMQReactRedis

About the role

Key responsibilities & impact

Develop new features and evolve existing systems, with a focus on quality, scalability, and maintainability
Propose structural improvements to software architecture
Implement integrations between internal and external services, APIs, microservices, and distributed systems
Write clean, testable, and efficient code, following best practices and technical standards
Create and execute automated and unit tests
Work with product, QA, frontend, and data teams to ensure end-to-end delivery
Participate in code reviews and contribute to collective learning and the maintenance of technical standards
Monitor and optimize application performance by identifying and resolving bottlenecks
Document workflows, architectures, and adopted practices
Collaborate in Agile ceremonies, including planning sessions, backlog refinement, and retrospectives
Mentor mid-level and junior developers

Requirements

What you’ll need

Strong experience as a Full-Stack Software Engineer, working on digital product projects using a complete technology stack across both frontend and backend
Advanced knowledge of JavaScript, proficiency in Node.js as the primary focus, and frontend development with React
Proven experience with distributed systems architecture, microservices, and RESTful/GraphQL APIs
Practical knowledge of relational and non-relational databases, including PostgreSQL, MySQL, MongoDB, and Redis
Experience with CI/CD, automated testing, code reviews, version control with Git, and DevOps
Experience with Agile methodologies, including Scrum, Kanban, and XP
Ability to work autonomously, demonstrate ownership, and focus on high-quality delivery
Clear technical communication skills with engineering teams and product and business stakeholders
Proficiency in using AI tools applied to software development, such as Claude Code, GitHub Copilot, and Cursor
Experience with cloud architecture and containerization tools, such as AWS, GCP, Azure, Docker, and Kubernetes, is a plus
Experience working at scale-ups or rapidly growing companies is a plus
Experience in healthtech or regulated industries is a plus
Experience with observability and monitoring tools, such as Datadog, New Relic, Grafana, and Sentry, is a plus
Knowledge of event-driven architecture and messaging systems, such as Kafka, RabbitMQ, and SQS, is a plus
Experience with high-volume transactional environments and complex integrations is a plus
Track record of contributing to architectural improvements and technical debt reduction is a plus

Benefits

Comp & perks

CAJU benefits card with a monthly credit of R$1,059.00 allocated across Meals, Food, Mobility, Health, Home Office, Culture, and Education
AMIL S450 health insurance plan – private room, with copay; coverage may be extended to eligible dependents
AMIL 200 DOC dental plan, 100% covered by the company for the primary employee
Omni Saúde: monthly balance of R$100.00 for prescription medications
Free access to Hospital Conexa, with 24-hour medical care
Childcare assistance in accordance with the applicable regional collective bargaining agreement
Extended maternity/paternity leave: up to 6 months of maternity leave and 30 days of paternity leave
SULAMERICA life insurance
Birthday month day off
TotalPass and Wellhub
Course discounts
SESC benefit
Transportation allowance, with a 6% salary deduction if selected