111,841 Java jobs
Open roles that use Java — enterprise backends, Android and big data.
Tech Lead (Backend): Billing & Fees
Tech Lead for the Billing & Fees platform of a fintech: you own the architecture and roadmap for fee configuration, transaction fee calculation, invoicing, adjustments and reconciliation, replacing manual workflows with automated services. Hands-on Java/Kotlin + Spring Boot with Kafka, AWS SQS, MySQL/PostgreSQL, Redis and Snowflake, plus mentoring engineers in a hybrid/remote role based in Romania
Binance Accelerator Program - QA Engineer, Risk
Early-career QA Engineer on Binance's Risk team via the Binance Accelerator Program (for current students and recent graduates). Day to day: writing test cases, executing manual and automated tests, contributing to test automation scripts, and tracking defects to resolution, using Java, Python, or JavaScript plus Linux, database, and cloud basics.

Forward Deployed Engineer(社内DX・生産性革新担当)
PayPay's AI Transformation unit is hiring a Forward Deployed Engineer to embed in internal business teams, identify problems AI agents can solve, and take solutions end-to-end: requirements design, LLM/RAG prototype (PoC), spec definition, and production rollout. Tech stack includes Python, Java, LangChain, Amazon Bedrock, AWS/GCP, and Snowflake.
Backend (API) Developer
Backend (API) Developer at NH Korindo Securities Indonesia builds and runs the server-side APIs for the firm's MTS/HTS online trading and wealth-management services — covering authentication, sessions, accounts, orders, and market data — with a focus on performance and low latency. Core stack is Python/FastAPI with RDBMS (Oracle/MySQL).
Java Developer
Java developer on Ericsson Expert Analytics in Budapest, building a big data platform that analyzes telecom network performance and customer experience. Day to day: designing Java/Spring Boot microservices on Kubernetes/Helm, working with Kafka and REST APIs, writing automated Java tests, and improving Jenkins/Spinnaker CI/CD.
Staff Software Engineer L6
Inovalon is hiring a Staff Software Engineer (L6) in Hyderabad to lead technical design of healthcare data platforms and full-stack apps on AWS and Snowflake, coding in Java and Python with UI work, building observable HIPAA-compliant systems, improving CI/CD, and integrating AI dev tools like GitHub Copilot and Claude Code while mentoring engineers.
QA-инженер (Fullstack с уклоном в автоматизацию)
Мы — ИТ команда Страхового Брокера Сбербанка, которая занимается построением ключевых сервисов и платформенных решений. Наша цель — создавать надежный, масштабируемый и технологически совершенный продукт, для внешнего…
MuleSoft Developer
Application support/integration role providing L1/L2 support and MuleSoft integration work, using PowerShell, PL/SQL, .NET, Java, and Oracle APEX, following SDLC and ITIL practices at an IT services firm in Metro Manila.
Middle Mobile QA Engineer
N-iX is hiring a Middle Mobile QA Engineer in Ukraine to test mobile banking apps for a financial institution client, doing roughly 80% manual and 20% automated testing of iOS and Android apps. Core tools include Charles Proxy, Java, Kotlin, Appium, Selenide, and Rest Assured, working in Agile squads.
Backend Engineer
Backend engineer on Papaya Gaming's WildCard squad in Tel Aviv, building and owning high-scale backend features (store, collectibles, rankings, social layer, in-game economy) for a skill-based mobile gaming platform serving millions of players. Day-to-day spans design, production ownership, A/B testing, and AI-assisted development with Node.js, TypeScript, AWS, Kubernetes, Redis, and MySQL.
Backend Team Lead
Backend Team Lead at Upwind Security, leading a team to design and build scalable cloud-native backend systems, using technologies like Kubernetes, Neo4j, ElasticSearch, and others, with responsibilities including project lifecycle management, tech decisions, and team growth.
Middle General QA Engineer
N-iX is hiring a Middle QA Engineer in Ukraine to test mobile banking apps for a financial-institution client, doing roughly 70% manual and 30% automated testing across iOS, Android, and web. Core stack includes Java, Kotlin, Selenide, Postman, SQL/NoSQL, Kafka/RabbitMQ, Kibana/Grafana, and CI/CD tools.
Программист группы BI и отчетность по направлению Data Engineer
Data Engineer in the BI & reporting group of ETM, a large Russian distributor of engineering systems: designs Vertica tables and data marts, builds and tunes resilient ETL/ELT pipelines, monitors performance, and supports testing — working with SQL, Python, Airflow/NiFi, Kafka/Spark Streaming, and ClickHouse/Greenplum.
Account Solution Architect
Account-level Tech Lead / Solution Architect at N-iX, owning the technical direction for a transit passenger-information-systems client: discovering and migrating legacy C#/C++/Java systems onto a Python-on-Azure, MQTT-based event-driven cloud platform, guiding delivery teams, bridging business and engineering, and driving AI adoption.
Senior Test Engineer – Playwright & ReadyAPI
Responsibilities Define and implement comprehensive test strategies to ensure software reliability. Review business requirements and analysis documents to identify testing priorities. Design, execute, and manage…
Middle QA with Automation skills (Java)
Middle QA engineer (manual + automation) at outsourcing firm N-iX, serving a European mobile virtual network operator client. Day to day: requirements analysis, test design, API/regression testing, defect tracking, and backend/API test automation in Java (TestNG, RestAssured, Playwright) using SQL and REST/SOAP in a microservice environment.
Lead AI Engineer
Lead AI Engineer based in the US who defines architecture and leads development of generative AI and multi-agent systems (LLMs, RAG, custom MCP servers) for mission-critical government/national-security operations. Day-to-day is hands-on full-stack work (Python/.NET, Angular, AWS) plus security compliance (ATO/FedRAMP), AI evaluation, and mentoring teams.
Staff Software Engineer
Staff-level remote (Israel) role at Coinbase leading the architecture and delivery of cryptographic infrastructure — KMS/HSM and multi-party computation protocols — supporting global regulatory compliance. Requires 8+ years building distributed systems and deep applied-cryptography expertise, with Golang as the primary language.
ML Engineer
ML Engineer on VK's AI team building the recommendation system for VK Clips in Moscow (hybrid). Day to day: implement new classical and neural-network ML algorithms into existing infrastructure, analyze user scenarios, and lift key online metrics using Python, CatBoost, and PyTorch.
Senior Manager QA Engineering
Senior QA leadership role at a US-based company: owns quality engineering strategy across multiple products, builds API-first and UI automation frameworks, drives AI-powered testing, RPA and CI/CD on AWS/Azure, and manages distributed QA teams. Requires 12+ years in IT, 10+ leading QA automation teams, 5+ people management, strong Java, and healthcare/payer industry experience.