Senior Software Engineer

Lancesoft; São Paulo; Presencial; BRL 180 000 - 300 000; Tempo integral

Resumo da oferta

Lancesoft is seeking a Senior Software Engineer in Brazil (São Paulo) to design, build, and ship backend services and internal tooling. You will own medium-to-large features end to end, ensuring reliability, security, and scalability across JVM services and related technologies.

The role emphasizes influencing technical direction, collaborating with product and management, and deploying production-ready code with strong observability and best practices.

Qualificações

• 3+ years of software engineering experience.
• Experience building production-ready web applications and backend systems with reliability and security.
• Experience influencing technical direction (architecture, standards, delivery), not only executing predefined tasks.
• Experience with Java, Kotlin, Elixir, Erlang, Ruby, JavaScript, TypeScript, or another programming language; ready to work on JVM services when required.
• Familiarity with IDEs, RESTful APIs, Git repositories, TypeScript, version control software, and remote deployment tools.
• Familiarity with event-based architectures, event streaming (Kafka), databases, and GraphQL or comparable APIs.
• Comfort working with complex, contextual domain data and integrating with neighboring services.

Responsabilidades

• Design, build, and ship backend services and internal tooling for end-to-end ownership of features.
• Review pull requests and provide constructive feedback; pair with teammates and support onboarding.
• Deploy user-facing and operator-facing code to production responsibly.
• Partner with product, engineering management, and stakeholders to clarify ambiguity and balance customer needs with technical constraints.
• Influence architectural decisions, standards, and delivery for the systems your team owns.

Conhecimentos

Software engineering

Backend systems

Architecture direction

Java/Kotlin

JavaScript/TypeScript

RESTful APIs

Git/version control

Formação académica

Bachelor's degree in Computer Science

Ferramentas

Kafka

AWS/Lambda

PostgreSQL

DynamoDB

GraphQL

REST APIs

TypeScript

Descrição da oferta de emprego

Job Description:

What You Get To Do Every Day

Design, build, and ship backend services and internal tooling that support our teams and customers, owning medium-to-large features end to end so teammates can understand, operate, and extend what you ship.

Produce high-quality, performant, secure, and testable code that contributes to company-wide initiatives;handle data in accordance with company policy.

Develop across our stack, including JVM (Java, Kotlin), Elixir, Ruby, React, TypeScript, GraphQL, Kafka, AWS/Lambda, PostgreSQL, DynamoDB, and related tooling.

Influence technical decisions on architecture, standards, and delivery for the systems your team owns.

Review pull requests and provide constructive feedback;pair with teammates and support onboarding when needed.

Deploy user-facing and operator-facing code to production responsibly.

Partner with product, engineering management, and stakeholders to clarify ambiguity and balance customer needs with technical constraints.

• Improve reliability and maintainability over time by using metrics and incidents to learn, strengthening observability, and leaving systems easier to run than you found them.

Skills/Experience:

Minimum Requirements:

• 3+ years of software engineering experience.
• Experience building production-ready web applications and backend systems with reliability and security in mind.
• Experience influencing technical direction (architecture, standards, delivery), not only executing predefined tasks.
• Experience with Java, Kotlin, Elixir, Erlang, Ruby, JavaScript, Next.Js, or another programming language;ready to work on JVM services (Java, Kotlin) when assignments require it.
• Familiarity with common engineering tools such as IDEs, RESTful APIs, Git repositories, TypeScript, version control software, and remote deployment tools.
• Familiarity with event-based architectures, event streaming (for example Kafka), database fundamentals, and GraphQL or comparable APIs.
• Comfort working with complex, contextual domain data (rules and validations that vary by category or context) and integrating with neighboring services.

Preferred Requirements:

• Production experience with JVM services (Java, Kotlin), including common frameworks and tooling, and/or web applications using JavaScript, TypeScript, HTML, CSS, and React.
• Experience integrating LLMs or managed AI APIs into backend or internal tooling (for example enrichment, classification, attribution, or human-in-the-loop review).
• Experience building microservices integrated with neighboring teams or shared platforms, including eCommerce or marketplace platforms.
• Experience with dashboards, monitoring, or incident response in production, Python as production backend work alongside JVM or service-oriented systems, or a Bachelor of Computer Science degree or equivalent experience.

Senior Software Engineer • Brazil, SP, BR