Fullstack Developer – DevOps | Observability | Java | REACT | CI/CD | AWS | PortugalLocation: Portugal (Hybrid – Office presence preferred)Contract Role | Immediate Start | Observability & DevOps FocusAbout the RoleWe're looking for a Fullstack Developer with deep DevOps and Observability experience to accelerate our migration to Datadog, strengthen our alerting and monitoring frameworks, and ensure compliance with internal environmental policies and service rulebooks.This is a high-impact consulting engagement where you'll take ownership from day one, analyzing existing systems and making critical configuration changes across environments.
You'll support product teams by embedding observability best practices and guiding them through a cultural and technical shift toward greater availability, performance, and reliability.The ideal candidate is a fast learner, has a strong execution mindset, and is comfortable navigating ambiguity in a high-paced environment.
This role is about bringing value fast, while laying down structure that the team can confidently maintain long-term.What You'll DoLead our Datadog migration: alarms, dashboards, observability practices, SLO/SLA definitionsDrive alignment with our environment policies and service rulebookProactively analyze and configure existing services to improve observability and complianceMentor and uplift team maturity in monitoring, alerting, and DevOps best practicesHelp shape and execute progressive delivery strategies (rollouts, auto rollback)Contribute to test automation, E2E testing, and performance optimizationAct as a DevOps enabler, allowing product teams to stay focused on deliveryEnsure knowledge handover and continuity, empowering long-term internal ownershipPreferred QualificationsStrong hands-on experience in Datadog, SLO/SLI definitions, and dashboardingFamiliar with progressive deployment strategies and auto rollback mechanismsExperienced in monitoring, alerting, redundancy, and resilience engineeringBackground in high-scale systems, with a focus on performance and scalabilityComfortable with test automation and orchestrating test strategiesLocated in Portugal, and open to office visitsTech EnvironmentBackend: Java Spring Boot, Golang, Perl, PostgreSQL (incl.
stored procedures, Liquibase)Frontend: React, JavaScript, TypeScript, Backend-for-FrontendMessaging & Events: Kafka, Avro, Confluent Schema RegistryInfrastructure: AWS, Kubernetes, Istio, Redis (Elasticache), AWS AuroraObservability: Datadog, SLA/SLO, ConfigCatCI/CD & Release: GitHub, ArgoCD, Argo RolloutsTesting: Automated CI/CD pipelines, test orchestration, integration & E2EKey Traits We're Looking ForHigh sense of ownership and urgency — gets productive quicklySkilled at navigating unknown systems and driving initiatives forward with minimal directionExceptional collaborator and mentor — clear communicator who uplifts teamsConfident challenging the status quo, introducing scalable and maintainable practicesStrong stakeholder engagement across cross-functional teamsEmbodies role-model behaviours and inspires others to raise the barStrong DevOps experience with a Fullstack engineering backgroundJoin a project that values velocity, clarity, and collaboration — and help us build an observability-first culture that lasts.
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Our clients are heavily VC backed, unicorn status, pre-IPO start-ups with pioneering technology.WMTech is an equal opportunity employer and does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor