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Senior Java Engineer - Payments (ICON IPF) | Cloud & Kafka
Senior Java engineer building large-scale cloud-based payment solutions for major banking clients. Day-to-day is hands-on development of microservices using Java 11, Spring Boot, Kafka, and the ICON IPF framework, with cloud-native delivery in AWS and exposure to ISO 20022 in a global banking setting.
Senior Java Developer – Cloud Microservices (Hybrid UK)
Senior Java Developer on a large-scale cloud-first transformation programme delivering public-facing services used by millions across the UK. Day to day you build Java cloud microservices, shape architecture, and drive engineering decisions beyond ticket work. Hybrid, 60% office at major UK hubs (excluding London), inside IR35, BPSS required.
Senior Infrastructure Engineer
Senior Infrastructure Engineer at BarkleyOKRP's MissionOne Media: owns day-to-day reliability of legacy GCP VMs running Java/Tomcat apps and MySQL 5.7 — incident response, monitoring, patching, backups — while helping design the next-gen cloud stack with Cloud SQL, BigQuery, Docker/Kubernetes, and Terraform.
Senior Software Engineer (Java Backend)
Designs and maintains high-performance Java backend services and REST APIs for BarkleyOKRP's cross-channel advertising management tools, optimizing SQL/MySQL queries for high-throughput paid search, social, and retail media data. Remote role; GCP, BigQuery/dbt, and AI coding tools are pluses.
Senior Infrastructure Engineer
MissionOne Media is a brand within BarkleyOKRP that combines full-funnel media planning and buying services, CRM, data, analytics, retail media, SEO, and digital experiences. We're an independent media partner offering…
Senior Software Engineer (Java Backend)
We're looking for a Senior Software Engineer to join our engineering team building cross-channel management tools that turn massive, complex data streams into impactful actions across paid search, social, and retail…
Data engineer funcional
Data engineer at IT consulting firm Sysmatch in Portugal, working on a project for a prestigious international financial-sector client. Day to day involves building and orchestrating ETL/ELT pipelines and data models using Microsoft Fabric, Azure, SQL, Python/PySpark and Power BI.
Senior Developer Java / SQL
Senior developer at PrimeIT to evolve a back-end application that manages financial statements referential data, integrating external providers and capturing unstructured documents, with a focus on data quality and reporting consistency. Core stack: Java/Spring, advanced SQL on PostgreSQL, Docker and cloud (AWS), plus CI/CD practices.
Software Engineer
Full-stack software engineer (5+ years) working hybrid (2 days/week in office) in Portugal, collaborating with analysts and stakeholders, writing unit tests, and helping keep production systems stable. Core stack is Java or another functional language, with the opportunity to learn Scala; relational databases, APIs, and microservices are involved.
Senior Backend Developer (Java/Kotlin) — REST & Microservices
Senior backend developer at Sysmatch, a Lisbon-based IT consultancy and outsourcing firm, building scalable RESTful APIs and microservices in Java and Kotlin using Clean Architecture for client projects. Day to day involves coding, code reviews, and cross-team collaboration.
Java Fullstack Developer
Fullstack developer building and maintaining web applications end-to-end with Java, Spring Boot, and Angular, participating in the full software lifecycle including releases and collaboration with cross-functional teams. Hybrid role based in Porto, Portugal.
Java Developer (Hybrid) in Aveiro — Grow with Projects
Decskill is hiring a Java Developer for a hybrid project in Aveiro, Portugal. Day to day the person specifies and develops Java solutions with REST APIs, writes unit, integration and E2E tests, maintains technical documentation, and collaborates via Git/GitHub code reviews.
Backend developer java & kotlin
Sysmatch, a Portuguese IT consultancy and outsourcing company, is hiring a backend developer with 5–8 years of experience to work on a project for an international client. The role centers on backend development in Java and Kotlin, including REST APIs, microservices, and clean architecture practices.
Senior Java Developer - HR Tech (Hybrid PT)
Senior Java Developer building high-performance microservices and APIs for uClockit HR's B2B HR Tech product, taking part in architecture decisions and collaborating with multidisciplinary teams. Hybrid role based in Lisbon or Leiria, in a startup-style environment with daily English communication.
DevOps engineer in non-production environments
DevOps/Deployment engineer (REM) keeping a bank's S2i non-production environments (DEV, INT, SIM, UAT) stable while running deployment pipelines, automating releases, and providing L2 operational support. Core stack: Jenkins, GitLab, XL Deploy/XL Release and Unix scripting; on-call duty required.
Java developer for enterprise web applications
Full-stack Java developer at IT consultancy Decskill to develop, analyze and maintain scalable enterprise web applications, designing quality, testable code with Java 8+, React, Spring/MVC frameworks, ORM tools and relational databases on servers like WebLogic. Long-term national and international client projects in Portugal.
Senior Java Developer - Java EE & JPA/Hibernate
Sysmatch, a Portuguese IT services company, is hiring a Senior Java Developer with 5+ years of experience to join teams working on projects for international clients, building with Java EE technologies including CDI, EJB, JPA/Hibernate, JMS and SQL. On-site in Portugal, with competitive salary and health/wellness benefits.
Java Developer | Híbrido – Aveiro
Decskill, a Portuguese IT consultancy (part of Grupo Astek), is hiring a Java Developer for a hybrid role based in Aveiro. Day to day: specifying and developing Java solutions, building/consuming REST APIs, writing unit, integration and E2E tests, and maintaining technical documentation.
Sr Java Developer
Senior Java developer at Adentis Portugal building and maintaining robust backend applications using microservices, REST APIs, and AWS cloud services (S3, EKS, EC2, CloudWatch), with relational databases and CI/CD tooling as part of the daily stack.
Java developer in microservices
Hybrid Java backend developer role at IT consultancy Decskill: build Spring Boot microservices on AWS, deploy via CI/CD/DevOps practices, occasionally help with frontend, and work in agile sprints. Requires onsite presence 2 days per week in Lisbon or Porto.