111,629 Java jobs
Open roles that use Java — enterprise backends, Android and big data.
Senior Software Engineer (Backend): Onboarding
Senior backend engineer on an Onboarding & Identity team at a financial-services company, building scalable APIs and services for KYC/KYB, identity verification, sanctions/PEP screening, and partner-led onboarding. Core stack: Java/Kotlin (JVM), PostgreSQL, Kafka, AWS, Docker/Kubernetes, Temporal. Germany-based, hybrid/remote.
Lead Data Engineer
Lead Data Engineer on a long-term contract through Hays with a Federal Government agency in Canberra, building scalable analytics platforms and data pipelines to combat financial crime. Day to day: production-grade coding in Python/Scala/Java/SQL, Spark-based distributed processing, CI/CD, code reviews and sprint planning.
Tech Lead (Backend): Billing & Fees
Backend tech lead for a fintech company's Billing & Fees platform in Germany, owning the architecture and roadmap for fee configuration, transaction calculations, invoicing, adjustments, and reconciliation. Hands-on Java/Kotlin with Spring Boot, Kafka, AWS, and microservices, while mentoring engineers and automating manual billing workflows.
Solution Architect - Conversational AI & Integration - Java, Python
Solution architect role designing and building conversational AI and enterprise integrations, primarily with Java/Spring Boot and Python on AWS (DynamoDB, PostgreSQL), including LLM (OpenAI) and Voice AI (ElevenLabs) integration, REST/event-driven APIs, React frontends, and secure distributed systems. Requires 10-20 years experience; based in Hyderabad or Bengaluru.
AI Architect - Generative AI
Designs enterprise generative-AI architecture — LLMs, RAG, multi-agent orchestration, embeddings, and guardrails — while leading architecture reviews across AI/ML, backend, and data teams. Works with Python/Java, LangChain/LangGraph, AWS Bedrock or Azure OpenAI.
Software Engineer
Software engineer at Rakuten Securities Hong Kong, a forex/securities broker, designing and maintaining internal systems such as deposit processing, trading data middleware, and Salesforce. Works across the SDLC using SQL, an OOP language, cloud (preferably Azure), CI/CD, and tools like Docker, Node.js, Java, and PHP.
Full Stack Developer – Healthcare Projects
Builds and maintains full-stack applications supporting healthcare services in Brussels (hybrid) on a ~5-month assignment: Java, Angular, Spring Boot, OpenShift, PostgreSQL and REST APIs in an agile/Scrum team. Freelance or employed via HumanInTech.
Test Manager [Automation | Playwright | ASAP Starter]
MAIN Requirements: Playwright Automation and Manual DUTIES AND RESPONSIBILITIES: Defines the appropriate Functional and Automated Test Strategy for the project. Participates in reviewing the business user and product…
Senior Teamcenter Developer - T4S/AIG
Senior developer designing, building, and supporting bidirectional integrations between Siemens Teamcenter PLM and SAP (ECC/S/4HANA) using T4S and AIG. Day-to-day involves Teamcenter customization (BMIDE, workflows, AWC), server-side ITK development in C/C++, object/attribute mapping, and troubleshooting data synchronization.
Automation Test Engineer - Selenium/Playwright
Automation Test Engineer at Sunovaa Tech in Pune: designs, builds, and maintains automated test scripts and frameworks (Selenium/Playwright/Cypress) for web apps, runs functional/regression/API testing, tracks defects in Jira, and wires test suites into CI/CD pipelines.
Contract UI/UX Designer
Contract UI/UX Designer in Kowloon supporting a government department's portal revamp: doing UI/UX design and optimization, AI service setup, Java/JavaScript programming, configuration and testing, plus ongoing maintenance of the portal's systems across development, testing and production environments.
Java Full Stack Lead
Bengaluru-based lead role building production-grade agentic AI systems for enterprise clients: multi-agent orchestration, RAG pipelines, LLMOps/eval harnesses, and multi-LLM integration (OpenAI, Anthropic, Vertex AI), on a Java full stack foundation, embedded directly with client engineering teams.
Senior Java Backend Developer
Senior Java backend developer at Persistent in Pune, modernizing Java applications and migrating MariaDB/MySQL database workloads to Amazon Aurora on AWS. Day-to-day: Java 17/Spring Boot microservices, REST APIs (JAX-RS), SQL tuning, JDBC/JPA/Hibernate, unit testing, CI/CD, and migration cutover/rollback support.
Principal Backend Engineer Java Spring Boot AWS
Principal backend engineer at a global technology consultancy, leading design and delivery of Java Spring Boot microservices projects for financial services clients — modernising legacy systems, migrating to AWS, building REST APIs, and improving CI/CD. Hybrid: three days a week in the London City office or client sites.
Software Engineer
Fully remote software engineer (£65,000) at a leading UK public sector organisation. Day to day: designing, developing and maintaining secure, tested full-stack software solutions in Java with Spring Boot on AWS, and contributing to architecture decisions.
Senior Site Reliability Engineer
Senior SRE ensuring the reliability, performance, and scalability of enterprise fintech SaaS platforms: building resilient Azure/AWS cloud infrastructure, driving SRE practices, owning SLOs and incident command, automating CI/CD and operations, and applying AI/AIOps for predictive monitoring and automated remediation, with 24/7 on-call rotation.
Head of Software Engineering and Testing
Snowy Hydro is hiring a Head of Software Engineering and Testing to lead a unified engineering, development, and QA division across its retail and generation technology portfolios, including the Kraken retail implementation and 24/7 generation trading systems. Requires 12+ years engineering and 5+ years senior leadership experience, with .NET and Java/JavaScript platform depth.
Cloud Platform Engineer - Kubernetes
Designs, deploys, and maintains production Kubernetes clusters and AWS/hybrid cloud infrastructure, ensuring high availability, disaster recovery, security, and cost efficiency. Daily work spans Terraform IaC, GitOps (ArgoCD/FluxCD), observability (Prometheus/Grafana/Istio), and Linux administration.