Tech jobs — page 138 · freehire

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DCONSTRUCT ROBOTICS PTE. LTD.

Golang Backend Engineer for AI & Robotics Platform

Backend engineer designing, building, and maintaining scalable Golang services and APIs on cloud platforms for DCONSTRUCT Robotics' AI & robotics platform. Day to day involves deploying data-driven applications on AWS, building CI/CD pipelines, and ensuring reliable, high-performance systems through testing and monitoring.

API AWS CI/CD Cloud Cloud Native +1 skills

ADVANCE SOFTWARE ENGINEERING PTE. LTD.

Senior Go Backend Engineer - Scalable Microservices in Cloud

Senior Go engineer building scalable microservices on AWS and Kubernetes, focusing on high availability, CI/CD, and observability using PostgreSQL and Redis.

AWS CI/CD Cloud Cloud Native DevOps +7 skills

Backend Developer (Quarkus)

New HybridEurope

Glintt Global, a Lisbon-based IT consulting and technology services firm, is hiring a Backend Developer to design and build custom microservice-based solutions for client projects in Portugal and across Europe. The core stack is Java with Quarkus, relational and non-relational databases, and Kafka; Angular and AWS skills are a plus.

Android Angular AWS Flutter Ionic +7 skills

Backend Engineer - Data & Trading Apps (Remote, Flexible) - Remote

New RemoteEurope

Backend engineer owning a live Java + Oracle parcel-logistics platform (PUDO) and progressively migrating it to Python + PostgreSQL, including rewriting carrier integrations, introducing automated testing, and managing own production deployments.

AI API CI/CD Cloud Data Modeling +11 skills

UST España & Latam

Remote Senior Spark Backend Engineer | Big Data Pipelines

New EuropeSenior

UST España & Latam seeks a Senior Backend Spark Developer to design and optimize data-processing solutions on the Client Contribution platform, building scalable, high-performance Big Data pipelines with a CI/CD focus. Core stack is Apache Spark, big data tooling and Agile ways of working, with strong English and advanced Spanish required.

Agile CI/CD Spark

DataOps Engineer: Cloud Data Pipelines & Backend

DataOps Engineer at 24i joining the Personalization team in Madrid: building Python backend services and reliable, scalable cloud data pipelines on AWS, covering data flows, orchestration, and observability, while collaborating across teams on personalization solutions.

All European Careers

Senior Back-End Java Developer - Spanish/English

New EuropeSenior

Senior back-end developer building Java/Spring software solutions to client requirements within an agile team (pair programming, code reviews, sprint ceremonies). Fully remote role with occasional office visits to Murcia (max 5 days per quarter); requires strong Spanish and English.

Agile Java Spring

Senior Java Developer | Spring Boot, DDD & AI-Driven Backend

New EuropeSenior

Sngular's León office seeks a Senior Java Developer to design and build scalable backend solutions using Java, Spring Boot, Hexagonal Architecture, and DDD, while integrating AI to optimize code and processes. The role involves collaborating with multidisciplinary teams, leading technical improvements, and helping define architectures for new solutions in an Agile, global environment.

Back End Java Developer | Teletrabajo

Backend developer role at Sngular (Ibiza, Spain, with telework options) focused on designing and building highly scalable microservices in Go, working with SQL databases, Kafka event streaming, and integrating AI into data flows. Requires 8+ years of backend experience, strong SQL/Kafka skills, and advanced English for daily use.

CI/CD Cloud Fintech Kafka SQL

Remote Senior Java Developer — Scalable Backend

New EuropeSenior

Plexus Tech is hiring a Senior Java Developer to build highly scalable backend services, working 100% remotely from Spain on a permanent contract. The stack centers on Java (8+ years), Spring Boot, reactive programming, gRPC/Protobuf, Kafka, and AWS; C1 English is valued.

AWS gRPC Java Kafka Protobuf +1 skills

Sabina Divosi - Headhunter & Talent Partner

Backend Developer (Node.Js / Typescript) | Microservicios & Fintech - Castro

Backend developer (2–3 yrs) building and scaling critical APIs and external partner integrations in a Node.js/TypeScript/NestJS microservices ecosystem for a banking-digitization fintech in Madrid (hybrid). Stack includes PostgreSQL, RabbitMQ, AWS, mature CI/CD, with Claude used in the dev workflow.

API AWS CI/CD Fintech NestJS +4 skills

Senior Backend Spark Developer — Remote (Spain)

New EuropeSenior

MindMatch is hiring a Senior Backend Spark Developer, remote from Spain, to design, develop and optimize large-scale Big Data processing pipelines. The core stack is Spark (Scala or Python) with SQL in CI/CD/DevOps environments; 5+ years of Spark experience is required.

CI/CD DevOps Python Scala Spark +1 skills

Backend Java Developer — Hybrid Madrid, Growth & Impact

Develops Java backend services in a hybrid role based in Alcobendas (Madrid), working with recent Java versions, databases, and tools such as Spring, Hibernate, Maven, Git, Jenkins, Sonar, and REST/SOAP APIs, with some work-from-home options available.

Git Hibernate Java Jenkins Maven +1 skills

Qaracter - Beyond your Challenge

Remote Java & Spring Boot Backend Developer (Microservices)

Qaracter, a multinational banking consultancy, seeks a Java backend developer to design, build, and maintain Spring Boot microservices using Apache Cassandra, deploy them on OpenShift, and coordinate with React frontend teams for global banking clients. Permanent contract in Spain with remote-work options.

Cassandra Java OpenShift React Spring

Remote Backend Developer (C# & SSIS) – ETL & SQL Expert

Backend developer working on an international project building ETL and data solutions with C#/.NET, SQL Server and SSIS at a Spanish tech company. Hybrid role in Alcobendas with a permanent contract, immediate start, and telework options; advanced English (B2) required.

Angular C# .NET ETL jQuery +4 skills

UST España & Latam

Remote Java Backend Developer for Microsoft 365

UST España & Latam is hiring a Java backend developer to evolve and improve its IT Services Marketplace and Microsoft 365 platforms, working 100% remotely from Spain. The role focuses on designing, developing and integrating APIs and backend services, maintaining systems, and collaborating with client teams; Microsoft Graph experience is valued.

Senior Backend Developer - Go Microservicios, IA, Remoto

New EuropeSenior

Sngular busca un desarrollador backend senior para diseñar y construir soluciones escalables con Go, gestionar bases de datos SQL y aplicar streaming con Kafka en un entorno internacional. Se trabaja con prácticas de CI/CD, revisión de código y se valoran arquitecturas distribuidas y despliegues en Cloud, con opción de teletrabajo.

CI/CD Cloud Kafka SQL

Sabina Divosi - Headhunter & Talent Partner

Backend Developer (Node.js/TS) - Fintech Microservices

Backend developer building a fintech microservices ecosystem with Node.js and TypeScript. Day-to-day work involves RabbitMQ, PostgreSQL, AWS and mature CI/CD pipelines, in a hybrid role (remote possible) based in Madrid, collaborating closely with the CTO and business teams.

AWS CI/CD Fintech Node.js PostgreSQL +2 skills

Qaracter - Beyond your Challenge

Remote Java & Spring Boot Backend Developer (Cassandra)

Designs and maintains Java backend services with Spring Boot and Cassandra, integrating REST APIs and collaborating closely with frontend teams. It's a 100% remote role within Spain, serving international teams in the banking and financial sector; OpenShift, microservices, and CI/CD knowledge are valued.

API Cassandra CI/CD Java OpenShift +1 skills

Mystery Project

Senior Backend Developer | Node.js · NestJS · AWS Serverless

New EuropeSenior

Senior backend developer at a Barcelona health-tech company, building and deploying scalable services and APIs with Node.js, TypeScript and NestJS while helping migrate its infrastructure to an AWS serverless architecture (Lambda, API Gateway, RDS, DynamoDB, MySQL). Reports to the CTO on a ~6-person engineering team in a hybrid, Agile setup.

Agile API AWS CI/CD DevOps +9 skills

55K – 60K €