Top Software Engineer Jobs in Portugal

Design, operate, and optimize a large-scale distributed architecture and microservices. Troubleshoot production issues and improve API gateways, ensuring system reliability and performance. Engage in CI/CD improvements and contribute to service decoupling.

Build and maintain CI/CD systems, developer productivity tools, cloud infrastructure, and release engineering workflows. Automate local development and manual processes, manage infrastructure access, troubleshoot performance and reliability issues, document resolutions, and keep development branches stable. The role also includes infrastructure work across AWS, GCP, and Azure, code reviews, reporting on CI/CD health, and collaboration with engineering teams.

Build and own core systems powering Reach’s AI agents, including architecture, data pipelines, agent orchestration, and AI-powered product features. Work across React and TypeScript frontend, Python backend, cloud infrastructure, and relational or in-memory datastores. Ship features end-to-end, collaborate directly with users, move quickly in an early-stage environment, and help define the company’s technical direction.

Design, build and improve backend services for Farfetch's e-commerce and marketplace platform. Apply performance, security, and architecture best practices, work in Agile/SCRUM, write tests, and operate with SQL and NoSQL databases, messaging and caching technologies.

Develop, test, integrate, and support robotic controls software for automated lift trucks in an embedded environment. Responsibilities include vehicle control communication, simulation, requirements development, software and electrical architecture, code and design reviews, supplier leadership, manufacturing support, and mentoring entry-level engineers. The role requires C/C++ development, robotics sensors and SLAM experience, embedded control systems, network communications, and MATLAB/Simulink/Stateflow expertise. Occasional travel may be required.

Develop and maintain scalable backend and middleware services, design distributed systems, optimize low-latency performance, and build B2B integrations. Own features from design through deployment, monitor and debug production services, write automated tests, participate in code reviews, and collaborate within an agile engineering team. The role requires strong object-oriented programming, .NET/C# or similar experience, microservices knowledge, security and privacy awareness, and effective communication in English.

Design and maintain scalable backend services, APIs, and data capabilities for analytics, dashboards, visualizations, and AI-powered insights. Process and serve structured and unstructured data, integrate AI/ML outputs, optimize performance and reliability, and collaborate with frontend, data, DevOps, UX, and product teams. Contribute to architecture, testing, monitoring, observability, deployments, troubleshooting, and continuous engineering improvements.

Design and scale mission-critical market data services for stocks, options, crypto, and foreign exchange. Responsibilities include architecting backend systems and APIs, maintaining software quality and test coverage, participating in code reviews, and troubleshooting incidents and bugs. The role uses Go and Python with REST, gRPC, WebSockets, SSE, Docker, Kubernetes, Google Cloud, BigTable, Prometheus, Grafana, and ELK.

Build and maintain scalable full-stack credit card and payment products using .NET, C#, React, and JavaScript. Own the software development lifecycle from coding through production monitoring and continuous improvement. Develop responsive interfaces, write unit and integration tests, troubleshoot issues, collaborate with product and QA teams, and translate technical solutions into business outcomes.

Lead development of cross-platform Flutter applications for Windows, Android and iOS with focus on low-level implementations. Define architecture, maintain Windows installers and low-level libraries, implement device communication (BLE, NFC, cable), perform testing with client hardware, conduct code reviews, mentor team members, and collaborate with stakeholders to deliver robust solutions.

Design and build durable, distributed data-streaming infrastructure that decouples process data from Camunda’s live execution engine. Develop customer-facing integrations such as Kafka connectivity, support analytics data consumption at scale, and make architecture decisions around consistency, durability, and storage. Participate in production support and on-call rotations while collaborating with Product, Data Layer, Distributed Systems, QA, SRE, and Support teams. Lead ambiguous, cross-functional engineering initiatives from design through delivery.

Build and maintain Camunda 8 backend data-layer services spanning relational databases and Elasticsearch/OpenSearch. Design scalable storage, query, retention, and streaming systems; improve performance, indexing, and production tooling. Lead engineering initiatives from solution design through delivery, collaborate across teams, provide L3 support, and participate in on-call rotations. Investigate production data issues and contribute to schema evolution, workflow automation, and CI improvements.

Design, implement, and test cloud-based server-side software in Python. Optimize code performance, maintain unit and integration tests, and work with AWS, Docker, DevOps, and CI/CD tools. Preferred experience includes reverse engineering public APIs, PostgreSQL, Django ORM and DRF, network protocols, and web or mobile technologies.

The Software Engineer will install and integrate Feedzai products, develop custom interfaces, and ensure product performance while collaborating with project teams and clients.

As a Software Engineer in Customer Success, you'll integrate, install, and customize software solutions for clients, ensuring performance management and meeting requirements. You'll collaborate with various teams to enhance Feedzai's core product and provide second tier client support.

Design and build cloud-native microservices for the Miles platform: translate domain models into services, implement RESTful APIs, collaborate on integrations, apply CI/CD/containerization and SSDLC practices, and ensure scalable, secure production-ready solutions.

Develop and enhance the Miles Core platform by designing, implementing, and maintaining back-end and front-end features. Address security, performance, scalability, and reliability. Troubleshoot issues and collaborate with cross-functional Agile teams to deliver high-quality enterprise software.

Build and extend high-scale egress-path systems running on Linux kernel and network dataplanes. Work on kernel network stack (eBPF), routing (BGP), and distributed systems to optimize packet flow, reliability, and performance. Collaborate across teams and participate in on-call rotation.

Build and own end-to-end features across backend and frontend: design backend services and data models (Python/Django), implement RESTful APIs, create reusable frontend components (TypeScript/React), write tests, participate in code reviews, maintain production reliability and security, and collaborate with product and design.

Build and maintain fullstack identity verification systems using React/TypeScript and backend languages (Python/Kotlin/Ruby). Design scalable APIs and microservices on cloud platforms, improve reliability and security, mentor engineers, drive architecture and deliver privacy-compliant features end-to-end.

Develop and maintain scalable microservices, APIs, and integrations for Talkdesk’s cloud-based customer experience platform. Design secure, stable solutions; collaborate with Product and engineering teams; participate in Agile development, peer reviews, automated testing, and CI/CD. Provide technical guidance, document architecture, solve complex problems, and support scalable global web applications using Kotlin, Java, Spring Boot, messaging systems, and various databases.

Design and improve Dremio’s distributed query execution engine, including query operators, expression evaluation, scheduling, memory management, runtime planning, and performance optimization. Diagnose correctness and scalability issues using profiling, telemetry, benchmarks, and production data. Optimize Java and JVM behavior, collaborate across engineering teams, validate AI-assisted implementations, contribute to technical direction, review code, and mentor engineers.

Build and maintain hardened Ubuntu-based container images and the automated CI/CD pipelines to build, test, scan, sign, publish, and retire them. Integrate upstream open-source projects, ensure security and cloud-native compatibility, collaborate with cross-functional teams, document and share knowledge, mentor colleagues, and contribute to hiring. Work in a distributed agile environment with occasional travel.

Design and implement high-performance C++ applications for optical networking hardware. Contribute to system modernization, use STL/Boost and multithreading, write automated unit (GTest), integration and stress tests, and participate in design reviews and cross-functional collaboration.

Design, implement, and maintain telecom mediation and billing services with a focus on resiliency, scalability, security, and test coverage. Collaborate in an Agile team, identify improvements, document solutions, mentor juniors, and support full product lifecycle delivery.