Top Software Engineer Jobs in Portugal

The Senior Software Engineer will enhance the REDAPL platform by building a query engine, leading projects, and driving architectural decisions while collaborating with product teams.

The Software Engineer will develop backend systems using Rust, manage multimodal data, and improve data infrastructure with a focus on performance and design ownership.

Develop and maintain automated tests and test frameworks for Veeam products, collaborate with development teams, build and manage test infrastructure, analyze source code and test results, and maintain defect databases.

Build scalable backend services, APIs and workflows for an AI neobank app supporting insurance, payments, wallets, savings, investing and partner integrations. Design reliable user account, transaction, reconciliation and notification systems, improve observability, security and performance, and collaborate with product, mobile and operations teams to deliver auditable, production-ready financial services.

Build end-to-end customer-facing and internal features for an AI neobank app. Develop web flows, backend APIs, admin tools, dashboards, and operational systems. Integrate APIs, handle data flows, improve production reliability, and iterate using analytics and feedback. Collaborate with product, design, mobile and operations teams to launch and maintain fintech/insurtech features quickly.

The role involves optimizing hardware support within a software stack for AI model deployment, collaborating with teams and hardware vendors to enhance performance and portability across platforms.

Canonical seeks open-source enthusiasts to optimize Ubuntu for new silicon technologies, collaborating with teams and customers to enhance software quality and performance across various platforms.

Design, develop, and maintain scalable, secure backend services using .NET and Azure. Collaborate with cross-functional teams, implement microservices and CI/CD pipelines, participate in code reviews, resolve technical challenges, and follow best practices for performance, reliability, and cloud-native architecture in a hybrid work environment.

Build and ship full‑stack features for North, an enterprise AI workspace. Develop secure autonomous agents, execution engines, integrations, observability and evaluation systems. Collaborate with researchers to productionize models and deliver performant, low‑resource deployment code while adhering to strict security and privacy constraints.

As a Lead Salesforce Software Engineer, you'll manage and mentor the Salesforce development team, oversee technical executions, maintain coding standards, and ensure compliance across Salesforce solutions, while collaborating closely with architects and product managers.

Lead backend engineering and AI-agent integration efforts: design agent-ready systems, context pipelines, CI/CD and test guardrails, migrate monoliths to microservices, set API and schema standards, mentor engineers, and drive AI-assisted development practices.

Build and maintain Dragonboat's core backend platform: data models, APIs, integrations, and scalable data-processing systems that power AI-driven portfolio intelligence. Make architectural decisions, collaborate with product and engineers, and use AI tools as a core part of the workflow.

Develop, test, and maintain Mimo/Mobilix applications; collaborate on requirements and architecture; implement integrations and APIs; follow DevOps/CI/CD, version control, security, and documentation best practices; support continuous improvement and system stability.

Develop, review, and refactor clean, scalable C#/.NET code in a SaaS environment. Mentor junior engineers, implement unit tests, monitoring/alerting, and produce technical documentation while collaborating on product quality, security, and performance improvements.

Design, develop, test, and deploy features in .NET Core/.NET Framework. Migrate from .NET Framework to .NET Core, optimize SQL queries and distributed cache performance, implement observability (OpenTelemetry, OpenSearch, Prometheus), create/consume NuGet packages, perform code reviews and automated testing, and provide third-line production support.

Maintain and evolve the FileNet application: perform functional and technical analysis, develop and implement solutions, design and execute test cases, validate functionality, and monitor testing cycles to ensure quality and performance.

Design and implement full-stack software solutions for industrial operations. Collaborate with users to build frontend and backend components, use AI-assisted development tools critically, and deliver high-value, user-focused applications.

Build, deploy and maintain production infrastructure tooling and automation to support scalable, highly available services; develop observability, orchestration, backup/disaster recovery systems; improve deployment CI/CD and integrations with cloud and third-party infrastructure for customer and internal SRE teams.

Design, build, and operate backend services for an AI-driven financial assistant. Own full SDLC, ensure performance, scale, resilience, and collaborate in small autonomous teams.

Build and ship native iOS features in Swift for an AI-powered neobank, integrating backend APIs, improving performance and reliability, creating clean UX flows for financial services, and using analytics to iterate. Implement AI-assisted mobile experiences where beneficial.

Build and ship Kotlin-based native Android features for an AI neobank: implement payment, insurance and financial flows; integrate REST APIs; improve performance, reliability, and on-device AI using TensorFlow Lite; collaborate with product and design to simplify user journeys and use analytics to iterate.

As a Senior iOS Engineer at Speechify, you'll lead engineering decisions, enhance the iOS app, and engage in product discussions to support a growing user base.

The Software Engineer will support data collection for model training, manage ingestion pipelines on GCP, and collaborate with data scientists to enhance dataset quality and scale.

You will design, develop, and maintain backend APIs, collaborate with cross-functional teams, and optimize performance for enterprise solutions.

The Senior Software Engineer will collaborate to design and implement scalable applications, focusing on backend development with Java and Spring Boot while ensuring high-quality code and a strong user experience.