Senior Full Stack Software Engineer

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. Design, build and operate backend services and APIs using Java/Kotlin with Spring Boot or Node.js/TypeScript .

Posted 10/2/2026full-timePorto • PortugalSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend and frontend development using Java, Kotlin, Spring Boot, Node.js, TypeScript, and React, with a strong focus on scalable architecture, API design, and modern development practices. Proven ability to mentor engineers, lead technical discussions, and implement CI/CD pipelines and observability in production environments.

Highest-signal resume keywords

Java DevelopmentKotlin DevelopmentSpring BootReactDocker

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentFrontend DevelopmentAPI DesignDatabase DesignEvent-Driven ArchitectureAsynchronous IntegrationCI/CDTesting StrategyDomain-Driven DesignMicro-Frontend Architecture

Soft Skills

MentoringLeadershipCollaborationCommunicationAgile Teamwork

Tools & Technologies

KafkaNATSRabbitMQKubernetesRedux ToolkitZustandTanStack QueryAI Coding Tools

Industry Keywords

Software DevelopmentDistributed SystemsSecurity Best PracticesObservabilityTechnical Direction

Tech Stack

Tools & technologies

Distributed SystemsDockerJavaJavaScriptKafkaKotlinKubernetesNode.jsNoSQLRabbitMQReactReduxSpringSpring BootSpringBootSQLTypeScript

About the role

Key responsibilities & impact

Design, build and operate backend services and APIs using Java/Kotlin with Spring Boot or Node.js/TypeScript
Build high-quality web applications with React and TypeScript
Contribute to the design system and micro-frontend architecture
Drive architecture and design decisions for scalable, resilient and secure services
Apply domain-driven and event-driven principles
Design data models and choose storage across SQL and NoSQL databases
Design asynchronous integrations using Kafka, NATS or RabbitMQ
Own deployment and operation of services with Docker and Kubernetes
Improve CI/CD pipelines and observability
Drive testing strategy across unit, integration, contract and end-to-end testing
Drive adoption of AI-assisted development and establish responsible team practices
Mentor engineers, lead code reviews and promote engineering best practices across teams
Own features end to end and shape technical direction across the stack

Requirements

What you’ll need

A degree in Computer Science, Software Engineering or a related field, or equivalent experience
6+ years of professional experience in software development across backend and frontend
Track record of leading technical topics
Strong backend experience with Java and/or Kotlin and Spring Boot, or with Node.js and TypeScript
Strong experience with React and TypeScript
Experience with modern state management such as Redux Toolkit, Zustand, or TanStack Query
Deep understanding of distributed systems, API design and software architecture
Solid experience with relational and NoSQL databases
Hands-on experience with messaging systems such as Kafka, NATS or RabbitMQ
Solid experience with Docker and Kubernetes, CI/CD and production observability
Good knowledge of security best practices for backend and web applications
Hands-on experience with AI coding tools such as Claude Code, GitHub Copilot, or Cursor
Experience mentoring engineers and working in agile teams
Fluent in English (spoken and written)

Benefits

Comp & perks

Great compensation and benefits packages including company achievement bonus or sales bonus and regular salary reviews
Public transport friendly offices
Special terms for local gyms
Access to Corporate Benefits platform with many discounts
Regular Team events and company-wide celebrations
Open door policy
No dress code rules
Frequent all Hands and Leadership Lunches
Hybrid and Flexible work time
Work From Abroad Program allowing up to 40 days of work outside your contracting country
Onsite Onboarding in our HQ office for an optimal start