Tech jobs — page 48 · freehire

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Senior Data Engineer

Open 20d RemoteUKSenior

Senior Data Engineer on ID5's Graph Delivery team, building and maintaining large-scale batch data pipelines and customer-facing graph products, plus the APIs and minimal UIs that support them. Core stack: Java/Kotlin with Spring Boot, Spark/Flink/Kafka/dbt/Trino/Airflow, cloud (AWS/GCP/Azure) with Kubernetes, and Cassandra/Postgres/Snowflake/Databricks.

Airflow Analytics API AWS Azure +32 skills

Senior Developer (Java / Kotlin / Full Stack)

Open 20d EuropeContractSenior

OpenValue, a Netherlands-based Java-focused consultancy, is hiring a senior Java/Kotlin full-stack developer with 5+ years of JVM experience to build innovative client projects using Spring/Quarkus, CI/CD, cloud (AWS/GCP) and microservices, within small autonomous teams that emphasize knowledge sharing.

Angular AWS CI/CD Cloud Event Driven Architecture +9 skills

5K – 6K € / mo

Senior Developer (Java / Kotlin / Full Stack) - €4.500 - €6.000 Per Maand

Open 20d EuropeContractSenior

Senior Java/Kotlin full-stack developer at OpenValue, a Java-focused consultancy: build innovative projects for leading clients in small, autonomous teams. Day to day is JVM development with Spring/Quarkus, microservices, CI/CD and cloud (AWS/GCP), with front-end (React/Angular/Vue) and event-driven work as a plus.

Angular AWS CI/CD Cloud Event Driven Architecture +9 skills

5K – 6K € / mo

Poland and Middle-Eastern Europe

Senior Java Developer | Spring Boot Microservices & Azure

Open 20d EuropeSenior

Xebia is hiring a Senior Java Developer to design and build scalable Java/Spring Boot microservices using DDD and Event Sourcing, deployed on Azure (AKS) with Terraform, PostgreSQL, and CI/CD via GitHub Actions and ArgoCD. The role is office-based in Kraków with weekly attendance required.

Agile AI AKS Argo CD Automation +24 skills

Poland and Middle-Eastern Europe

Java Developer (Hybrid | Kraków)

Open 20d Europe

Xebia is hiring a Java Developer for a hybrid role in Kraków (at least one day/week from the client's office). The person designs and delivers scalable microservices using Java and Spring Boot, deployed on Azure (AKS/Kubernetes) with Terraform, PostgreSQL, and CI/CD via GitHub Actions and ArgoCD, owning delivery from requirements through implementation.

Agile AI AKS Argo CD Automation +23 skills

DevOps / Middleware Engineer - Sector Bancario - Híbrido (Madrid)

Open 20d Europe

Support development teams at a banking-sector client by deploying, configuring and troubleshooting Java applications on JBoss/WildFly, working the flow from GitHub/GitHub Actions pipelines through deployment and incident resolution. AWS (EKS, ECR, EFS, NLB) is a plus. Hybrid in Madrid, 2 days on-site, €35k–39k gross.

AWS CI/CD DevOps EKS GitHub +5 skills

35K – 39K €

United States Digital Space LLC

Staff Software Engineer, Infrastructure

Open 20d HybridEuropeStaff

Staff Infrastructure Engineer on the Compute & Storage Platform team designing, building, and operating low-latency distributed storage (Postgres, DynamoDB, OpenSearch, S3), scalable compute clusters, and streaming pipelines on AWS using Terraform, Python/Go, and Docker/Kubernetes with SRE practices. Hybrid role in Dublin, two in-office days per week.

AI Android Ansible API Aurora +38 skills

Developer Support Engineer (Sunnyvale)

Open 46d HybridNorth America Licensed UK sponsor H-1B sponsor history

At JFrog, we’re reinventing DevOps to help the world’s greatest companies innovate -- and we want you along for the ride. This is a special place with a unique combination of brilliance, spirit and just all-around…

Bash CI/CD DevOps Groovy Java +7 skills

Developer Support Engineer (Atlanta)

Open 30d HybridNorth America Licensed UK sponsor H-1B sponsor history

At JFrog, we’re reinventing DevOps to help the world’s greatest companies innovate -- and we want you along for the ride. This is a special place with a unique combination of brilliance, spirit and just all-around…

Bash CI/CD DevOps Groovy Java +7 skills

Senior Backend Engineer The Randstad

Open 21d EuropeSenior

Senior backend engineer placed by Dutch IT consultancy Sytac with a client in the Randstad, Netherlands. Day to day: build, own, and operate production services in Kotlin/Java with Spring Boot on cloud (Azure/GCP), including Kubernetes, CI/CD, incident response, and SQL/NoSQL data work.

Agentic AI AI Azure CI/CD Cloud +11 skills

Randstad Technologies

Low-Latency Java Engineer for Ultra-Fast Trading Platforms

Open 21d UKContract

Contract (Inside IR35) role in London building and optimizing ultra-low-latency, high-throughput trading platforms in Java. Day-to-day involves JVM tuning, memory profiling, and low-level Java development using Unsafe/JNI/JNR-FFI, collaborating across cross-functional teams on regional trading projects.

OverIT - Field Service Management

Backend developer

Open 21d EuropeContract

Backend developer at OverIT, a SaaS field service management company, designing Java/Spring Boot REST APIs and services. Day-to-day work spans Oracle data modeling, Kafka event-driven flows, Redis caching, OIDC authentication, legacy modernization, automated testing, and mentoring, with AI-assisted engineering practices in the workflow.

Agentic AI AI API Api Design Authentication +23 skills

40K – 55K €

DevOps Consultant, Application Development

Open 21d HybridNorth America

DevOps Consultant in CIBC's Capital Markets technology group, designing and maintaining automated build and CI/CD deployment pipelines (Azure DevOps, Red Hat OpenShift, Linux), acting as middleware SME, and providing on-call production support. Core stack: Golang/Java/NodeJS, Docker, Git/GitHub Actions, Jenkins. Hybrid role, 1-3 days on-site in Toronto.

Agile Artifactory Automation Azure Azure DevOps +28 skills

Citibank (Switzerland) AG

Full Stack Java Developer Tech Lead- Vice President

Open 21d North AmericaFull-timeC-level

Senior hands-on full-stack Java tech lead (VP level) at Citi in Mississauga, leading an agile scrum team building distributed microservices, reporting pipelines, and modern UIs. Core stack: Core Java/Spring, Angular/React/TypeScript, Oracle 19c, MongoDB, Kafka/IBM MQ, Docker/Kubernetes, CI/CD, plus L3 production support and mentoring.

Agile Analytics Angular Automation BDD +36 skills

Full Stack Java Developer Tech Lead- Vice President

Open 21d North AmericaFull-timeC-level

VP-level hands-on Java tech lead at Citi in Mississauga who architects and builds full-stack banking applications: leading an agile scrum team, designing Spring Boot microservices with Angular/React frontends on Oracle and MongoDB, plus owning CI/CD, code quality, and L3 production support.

Accessibility Agile AI Analytics Angular +36 skills

121K – 171K CAD

Senior Java Engineer-6

Open 21d North AmericaContractSenior

Onsite Senior Java Engineer in Toronto who designs, builds, and maintains Java applications and REST microservices, with a strong focus on unit testing (JUnit/Mockito), TDD, clean code, and code-quality tooling like SonarQube and JaCoCo wired into CI/CD pipelines.

Agile AI API Automation AWS +32 skills

Senior Java Backend & Microservices Engineer

Open 21d North AmericaContractSenior

Talentify is hiring a senior Java developer in San Jose for a long-term contract to build backend services and design microservices with Java/Spring Boot. The role focuses on JVM performance tuning, writing well-tested, high-quality code, and contributing to architectural discussions and CI/CD pipelines.

CI/CD Java JVM Microservices Spring

Attus Procuradoria Digital

Analista devops

DevOps analyst running and sustaining production Kubernetes environments for Attus Procuradoria Digital's platform: executing planned production changes (GMUDs), maintaining GitOps deploys and database migrations, handling incidents and client tickets, certificates/DNS, security remediations, monitoring and FinOps. Core stack: Linux, Docker/Kubernetes, Git/GitLab CI-CD, Prometheus/Grafana, Python

Argo CD AWS Bash CI/CD Cloud +30 skills

Senior Backend Software Engineer (Java/Node.JS)

Open 21d RemoteNorth AmericaSenior

Fully remote senior backend engineer designing and maintaining REST APIs and distributed microservices in Java (Spring Boot) and Node.js, deployed on AWS via Kubernetes/EKS with Terraform and CI/CD, for a consulting firm modernizing ad revenue systems (programmatic, AVOD/FAST, CTV) for advertising clients.

API AWS CI/CD Cloud Cloud Native +21 skills

120K – 140K $

Backend Engineer (Java) - KYC Tech

Open 21d RemoteAPAC H-1B sponsor history

Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our…

AI Blockchain Cryptocurrency Java JVM +6 skills