Top Software Engineer Jobs in Portugal

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.

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.

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.

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 and develop services for automating work with a large server fleet while engaging in DevOps processes.

Design and develop services for monitoring servers, improve metrics pipelines, automate maintenance workflows, and investigate incidents to ensure infrastructure reliability.

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.

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.

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, 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.

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.

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.

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.

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.

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.

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.

The role involves data collection, cloud infrastructure management on GCP, collaboration with AI scientists, and ingestion pipeline operations for model training.

As a Senior iOS Engineer, you'll lead key engineering decisions, ship production code for the Speechify app, and enhance its architecture while collaborating in a product team focused on improving user experiences.

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.

Develop, configure, test and maintain software applications according to technical specifications. Collaborate on application design, document development activities, follow defined work plans and internal procedures, keep technical knowledge updated, and deliver work under pressure. May involve travel.

Join SAFIRA as a .NET Software Developer to build and maintain .NET/ASP.NET applications, work with SQL Server and IIS, integrate into project teams, deliver under pressure, communicate with stakeholders, travel as required, and use English fluently.

Design and implement enterprise software solutions, provide technical project guidance and solution architecture, coach and lead development teams, ensure production-quality deployments, design database schemas and interfaces, contribute to project planning and estimates, and support BPM/process-driven solution development. Willingness to travel.

The role involves designing and implementing AI features within trading applications, focusing on model optimization, prompt engineering, and collaboration with teams to enhance software capabilities.

The role involves building and shipping backend services, writing well-tested code, reviewing code, and collaborating with senior engineers while embracing AI tools.