Top Software Engineer Jobs in Portugal

Build and scale EverAI's Ruby on Rails platform: collaborate with product, plan integrations, estimate work, implement features, perform code reviews, testing, and run experiments to improve user experience at scale.

Improve reliability, observability, and scalability of Enode's connectivity layer. Build and maintain API integrations with OEMs and energy partners, reduce incidents, enhance monitoring and alerting, drive complex projects to release, uphold code quality and testing, collaborate with product, and mentor teammates while applying AI tooling strategically.

Design, implement, and optimize Elasticsearch core storage and query engine for logs and metrics. Lead architectural improvements, resolve performance bottlenecks, mentor engineers, drive cross-organizational initiatives, triage community issues, and write idiomatic modern Java for high-performance distributed systems.

Design, implement, test, deploy, and maintain cloud-native full‑stack applications. Collaborate cross-functionally, follow software engineering best practices, use event-driven patterns, leverage AWS, participate in code reviews, troubleshoot issues, and improve CI/CD workflows.

Join a cross-functional team to design, build, test and maintain a next-generation peer review system using Kotlin and JavaScript. Champion engineering best practices (TDD, CI/CD), participate in code reviews and pair programming, mentor junior developers, own production applications, triage live issues, and contribute to architecture, deployments and continuous improvement within a hybrid Lisbon-based team.

Lead design and development of scalable, user-friendly iOS applications for clinical and customer use. Define technical architecture, implement and optimize features, build modular frameworks, ensure high quality via automated tests, apply Apple design and accessibility standards, and collaborate with cross-functional teams in agile processes.

Design, build, and operate cloud-native, event-driven microservices using Go/Python. Integrate LLMs and agent frameworks into production, deploy on Kubernetes with GitOps, own CI/CD, testing, observability, and participate in design and reviews.

As a Senior Full Stack Developer, you'll build and enhance enterprise applications, mentor junior developers, and collaborate on system improvements. Responsibilities include coding, testing, debugging, and maintaining technical documentation while fostering team culture.

The Staff Software QA Engineer leads quality initiatives, mentors team members, develops, and executes automated tests, and participates in Agile ceremonies to ensure product quality.

Develop and maintain Python microservices, solve complex problems, write well-tested code, collaborate with teams, and continuously improve engineering practices.

The Senior Software Engineer will collaborate in small teams to develop and maintain backend and frontend components, focusing on high-availability systems, writing tests, and continuous delivery on Google Cloud Platform.

Design, implement, test, and maintain cloud-first web applications. Build secure, maintainable code using event-driven architecture and cloud services (AWS/Azure). Collaborate with cross-functional teams, mentor junior engineers, and support CI/CD and PWA development.

Design, build, and harden Chromium-based browser components in C++ to power Menlo's AI/agent initiatives; apply networking and HTTP security expertise; integrate AI agents and MCP servers; build tooling in Python or Rust; deploy and operate cloud infrastructure (AWS/GCP, Kubernetes, Terraform); debug and optimize performance-critical systems; collaborate cross-functionally.

Design, build, and operate Threat Protection and ShadowAI services: scalable distributed systems and APIs that detect and control risky web and generative AI usage. Own features end-to-end, maintain availability and latency SLOs, write tests, perform code reviews, use AI-assisted tools, and collaborate with cross-functional teams to improve detection accuracy and production reliability.

Lead architecture and development of cloud-native applications: containerize and orchestrate with Docker/Kubernetes, build event-driven microservices (Python/Go/Java), model network topologies with YANG/OpenConfig, manage graph (Neo4j) and time-series data, build gRPC/REST APIs, and integrate AI/ML models into telemetry pipelines.

Lead the design and development of native Windows applications, ensuring best practices in architecture, accessibility, and performance while collaborating with cross-functional teams.

Build and own backend integrations connecting Voxie's SMS platform to CRMs, POS, marketing tools, and messaging providers. Design scalable, testable serverless systems on AWS, handle high-throughput messaging, implement reliable API/webhook/SFTP/batch pipelines, and collaborate with sales, partners, and customers to scope and deliver integrations.

Provide organisation-wide technical leadership as a Staff Software Engineer: shape technical strategy, design scalable distributed systems, set engineering standards, mentor senior engineers, improve reliability/observability/CI-CD, and contribute hands-on to critical cloud-native payment systems.

Join as a Junior Software Engineer to learn from experienced professionals, work on real-world projects, and develop performance optimization and database skills. Adapt to varied client missions, work with modern technologies, receive mentoring, training, and certifications, and grow into a specialist role with international exposure.

Lead and own platform architecture across Infrahub ecosystem, implement high-impact architectural improvements, reduce technical debt, champion AI-first engineering, provide hands-on technical leadership, mentor engineers, and collaborate with product and leadership to ensure scalable, extensible systems.

Develop cloud-native production systems that process large data volumes. Engage in backend development with Rust and frontend with Angular. Collaborate on product development.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

Build and maintain core post-trade clearing systems and securities-finance infrastructure. Own projects end-to-end, design reliable distributed services and RESTful APIs, integrate new clearing partners, participate in on-call rotation, and improve systems to enable new product offerings.

Lead the development of software solutions for a logistics platform, overseeing technical strategy, mentoring teams, and ensuring high-quality software delivery.

Design, build, and maintain scalable cloud-based microservices and APIs using Java/Kotlin and Spring Boot. Collaborate with product and cross-functional teams, implement integrations, ensure data integrity and security, improve CI/CD and automated testing, and guide teammates architecturally while contributing hands-on code.