Top Software Engineer Jobs in Portugal

Design, implement, and maintain scalable microservices and APIs using cloud-based architectures. Collaborate across product and engineering teams, ensure automated testing and CI/CD, integrate external systems, and mentor others while delivering secure, production-ready code.

Lead backend development for Connected Devices Platform: build high-volume streaming services, backend-for-frontend APIs, scalable domain services, and resilient databases. Design architectures, improve dev/ops processes, mentor engineers, and integrate agentic AI capabilities. Work with cloud deployments, Kubernetes, and diverse datastore technologies to scale and maintain platform reliability and performance.

The Senior Software Engineer will design and improve backend applications, integrating AI tools, and ensuring quality in collaborative Agile environments. Responsibilities include promoting clean code practices and enhancing system performance.

Build and own end-to-end features across Sona’s platform using AI-assisted development. Direct and correct agent-produced code, work cross-functionally, engage customers in discovery and workshops, and contribute across scheduling, payroll, HR, and mobile domains.

Lead the backend team for CatalyX, drive technical delivery, contribute code and reviews, mentor distributed engineers, break down requirements into tasks, resolve critical issues, uphold SDLC best practices, and set standards for AI-assisted development.

Seeking an experienced Senior Backend Developer to build Ruby on Rails services for chatbots, research Slack & MS Teams ecosystems, and enhance existing systems.

Lead platform architecture and hands-on system design for scalable, secure microservices. Create production-ready Go implementations, run architecture reviews, drive migrations, define standards, mentor engineers, perform threat modeling, and author ADRs, runbooks, and rollout strategies to enable zero-downtime deployments at scale.

Lead design and implementation of scalable, high-performance backend services, mentor engineers, deliver features with automated testing and strong engineering practices, collaborate across teams, own solutions, and participate in 24x7 on-call rotation.

Lead design and delivery of large-scale, cloud-native backend systems. Drive architecture, standards, and operational excellence. Mentor engineers, lead interviews, solve ambiguous technical problems end-to-end, and influence product and technical strategy across teams.

Design, implement, and maintain desktop applications, cloud services, and automation testing. Lead architecture and feature implementation, perform code reviews, write unit/integration tests, support CI/CD and DevOps, and collaborate within Agile/Lean Scrum teams to improve product quality.

Design, build, operate, and support resilient distributed platform services. Write maintainable code, troubleshoot production issues, improve reliability and observability, and assist internal teams. Participate in on-call rotations and collaborate on platform evolution.

Lead design and delivery of scalable, secure cloud-native backend services, shape platform architecture, mentor engineers, contribute hands-on (Go/C++ backends, React frontends), establish engineering standards, improve observability and reliability, and collaborate with product and architecture teams to align technical investments.

Design, develop, and maintain cloud-based microservices and APIs. Implement scalable, secure solutions, integrations, and automated testing in an agile environment. Collaborate with product and cross-functional teams, guide technical decisions, and drive CI/CD practices to support global application scaling and reliability.

The Senior Software Engineer (Infrastructure) will design and build reliable systems, develop observability tools, automate deployment processes, and enhance code quality, while collaborating closely with other engineers.

Design, build, and operate distributed, high-volume transactional backend services in Go. Own scope, architecture, correctness guarantees, production behavior, observability, and automated verification. Collaborate across product, infra, and QA while using agent-driven engineering practices.

Build and maintain frontend applications for trading and brokerage products using TypeScript and React. Collaborate with team members, prioritize business value, own features to completion, follow company standards, and ensure quality, accessibility, and web performance.

Seeking a Senior/Principal Software Engineer to lead technical design for SingleStore's cloud platform, solve complex system problems, and mentor other engineers. Requires extensive experience in system-level software development and familiarity with distributed systems.

Design and develop automated tests (interface, load, integrated, mobile); prioritize and automate critical business scenarios; build thorough test scenarios focused on product quality within an automation testing team.

Drive application security and regulatory compliance through vulnerability management, CI/CD and Azure-based practices, security scanning, compliance testing (DR, pen tests), and developer best-practice governance. Report on product compliance, lead technical change (GenAI, FinOps), and support remediation and patching efforts.

Design and develop automated tests (interface, load, integration, mobile) within an automation team. Automate critical business scenarios, build quality-focused test cases, and maintain frameworks and tools to ensure product reliability.

Lead technical delivery across software projects: define long-term project strategy, participate hands-on in all delivery phases, manage and mentor a technical team, ensure on-time production deployments, document systems, and provide technological advisory for ECM and process-related solutions.

The Lead C++ Software Engineer will design and optimize a distributed SQL engine, enhance query execution runtime, and lead a team while leveraging modern CPU/GPU capabilities.

Develop scalable applications using C# and React, collaborate on product development, integrate APIs, and contribute to cloud solutions.

As a Senior Software Engineer, you will lead your team in shipping features, making technical decisions, and mentoring others to scale products effectively.

The Senior Software Engineer will develop advanced digital identity verification solutions, focusing on backend architecture, AI/ML systems, and platform strategy while mentoring junior engineers and collaborating across teams.