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Senior Java Developer
Decskill, an IT consultancy with 800+ professionals in Portugal and Spain, is hiring a Senior Java Developer to develop and maintain Java applications, design solutions, improve code quality, write automated tests, and support CI/CD within Agile/Scrum teams. Core stack: Java, Spring, REST APIs, Kafka, Cassandra.
Java Developers
VG & Partners is hiring Java Developers in Portugal to build and maintain a high-concurrency, high-transactional platform. The role centers on Java/OOP back-end work, with preferred exposure to Kafka, REST/SOAP APIs, and streaming/data tools like Cassandra, Storm, and ZooKeeper.
.NET Software Developer
LCG is hiring a .NET Software Developer in Lisbon (hybrid, 2 office days/week) to build and maintain software supporting R&D and manufacturing processes, provide second-level application and PLM support, and administer Linux/Windows servers and Cassandra databases. Core stack: .NET/C#, Python, Linux/Windows admin, Cassandra, Tomcat, Perl.
Senior Backend Developer
Senior backend engineer on an agile team at Blip (part of Flutter Entertainment) owning the full application lifecycle for a high-scale online sports betting and iGaming platform. Day-to-day is designing, coding, testing and documenting solutions in Java, working with Kafka, Akka, Cassandra and related stack, and mentoring junior developers.
Data engineer H/F
Freelance data engineer for a 6-month full-time client mission in Toulouse (partial remote), designing and maintaining data pipelines and architectures (data lakes, data warehouses) using Hadoop, Spark, NoSQL databases, Python/Java and ETL tools, in close collaboration with data scientists.
Ingénieur DevOps & Infra — CI/CD, Grafana, Kafka (50% Télétravail)
Insitoo Freelances is hiring a DevOps/Infrastructure engineer in Lyon (50% remote) to evolve and supervise a critical information system. Day to day: building CI/CD pipelines and deployments, managing middleware like ElasticSearch, Cassandra and Kafka, administering Infrastructure as Code, and monitoring with Grafana.
Python AI Developer
Senior Python backend developer building GenAI/agentic services — LLM integrations, prompt orchestration, RAG, and secure APIs — on an enterprise Generative AI platform for a large global insurer. Core stack is Python/FastAPI on AWS (Bedrock, EKS) with Azure DevOps CI/CD and observability, based in London.
Senior Data Engineer
Senior Data Engineer (via IT staffing firm Sciente International) in Singapore to design, build, and maintain on-premise data pipelines and lakehouse architecture for a Data & Analytics team. Core stack: SQL Server, Python, PySpark, Kubernetes/Docker, Airflow, plus NoSQL databases and optionally Kafka/Flink streaming.
Data Engineer
Data engineer in Abu Dhabi who designs, builds, and maintains scalable ETL/ELT pipelines, data warehouses/lakes, and batch and real-time processing that power analytics, AI, and ML products. Core stack: Python, SQL, Spark, Airflow, AWS/Azure/GCP, Snowflake/BigQuery, Docker, and Kubernetes.
Desarrollador Backend Senior (Microservicios)
Senior backend developer designing, building, and maintaining microservices that power millions of daily payment transactions for a global digital payments leader. Fully remote within Mexico, working with Go/Java/Python, REST APIs, SQL and NoSQL databases, Docker/Kubernetes, and cloud platforms.
Senior Java Developer
Senior Java Developer (7-10 yrs) designing, building and maintaining enterprise applications, REST APIs and microservices. Core stack: Java 8/11/17, Spring Boot/Security/JPA, SQL databases, Kafka/RabbitMQ, plus AWS/Azure, Docker, Kubernetes and CI/CD, working from Pune, Chennai or Bengaluru.
Senior DevOps Engineer - NZ
Senior DevOps engineer at SecuritEase in Lower Hutt, NZ, scaling and automating cloud infrastructure and delivery pipelines: building production Kubernetes environments, Terraform IaC, Helm deployments on AWS/Azure, Prometheus/Grafana observability, and PostgreSQL/Pinot/Cassandra database orchestration, while mentoring junior engineers.
Senior Software Engineer
Senior engineer building core catalog and settlement systems for hundreds of thousands of Coupang Eats merchants, making system-design decisions and owning scalable distributed services. The stack is Java/Spring Boot microservices on AWS with Kafka, Redis, MySQL, Cassandra, Elasticsearch, and Docker.
Senior Software Engineer
Senior backend engineer in Bengaluru building core catalog and settlement systems for hundreds of thousands of merchants on Coupang Eats, designing scalable Java/Spring Boot microservices on AWS with Kafka, Redis, MySQL, Cassandra, and Elastic. Note: this is an internal transfer posting for current Coupang employees.
Staff, Back-end engineer (Inventory Platform)
Staff back-end engineer on Coupang's Inventory Platform, building large-scale distributed services that handle billions of order and delivery transactions with 99.995% uptime. Day to day: designing scalable architecture, benchmarking, capacity planning, and production monitoring, primarily with Java/Spring on AWS.
Senior ML Engineer
Senior ML Engineer at AllCloud in Bucharest delivering client-facing AI/GenAI consulting engagements on AWS: building RAG and agentic apps on Bedrock, owning the SageMaker MLOps lifecycle, and designing secure, cost-aware data and infrastructure foundations for clients.
[Growth Marketing] Sr. Staff Back-end Engineer
Senior staff back-end engineer in Coupang's Growth Engineering team, leading architecture, development, and operations of a next-generation offsite marketing platform (search/display ads, affiliate, CRM, attribution) while mentoring engineers. Core tech includes distributed systems at scale, Spring, AWS, and big-data tools like Kafka, Flink, and Spark.
[Growth Marketing] Sr. Staff Back-end Engineer
Sr. Staff backend engineer on Coupang's Growth Engineering team in Shanghai, leading architecture, development, and operation of a next-generation offsite marketing platform (search/display ads, affiliate, CRM, targeting, attribution), while mentoring engineers and partnering with data science/ML. Stack includes Spring, AWS, NoSQL, and big-data tech like Kafka, Spark, and Flink.