senior java backend engineer java 21 spring boot

JS Careers are partnering with a leading investment bank for a hands-on engineering role. This role is responsible for shaping architecture, delivery, and technical leadership while continuing to write production code across an evolving management platform.The ideal candidate has strong full-stack engineering credentials and is looking to step into a role...

Join our client, a leading payment services provider, as a Lead Java Software Engineer responsible for leading backend engineering across their high-scale payment gateway. In this role, you will architect and develop Java microservices that authorise and settle card payments at massive scale, ensuring seamless, reliable transaction processing globally. Key...

Join a team of high performing engineers in Customer Entitlements where we are building a revolutionary platform leveraging cutting‑edge technologies like DSE Graph and Apache Cassandra, that will provision, determine and maintain the account access and permission of Banking and Financial Services customers in near real‑time. We are building a strategic...

XPT Software Australia Pty Ltd | ContractSydney, Australia | Posted on 08/11/2026XPT SoftwareAustralia PTY Ltd, incorporated in 2016, is a Software Services companyXPT works with topclients across Australia in Banking, Insurance, Telecom,Retail, Energy, Mining and Manufacturingdomains.We have 120+technocrats in Australia working at our clientlocations. XPT...

We are seeking a highly skilled Java AI Engineer with strong expertise in Java, Spring Boot, and modern AI technologies, including Claude, OpenAI, Large Language Models (LLMs), Agentic AI, RAG, and AI-powered application development. This role will be at the forefront of building next-generation intelligent applications by combining enterprise-grade Java...

We are seeking a highly skilled Java AI Engineer with strong expertise in Java, Spring Boot, and modern AI technologies, including Claude, OpenAI, Large Language Models (LLMs), Agentic AI, RAG, and AI-powered application development. This role will be at the forefront of building next-generation intelligent applications by combining enterprise-grade Java...

The Network Technology Recruitment in Canberra, ACT, AU seeks a Senior Full Stack Java Developer to join a major Federal Government program delivering mission-critical applications and large-scale data platforms in a secure Azure environment.You will contribute hands-on backend development with design-to-production ownership, working with Java/Spring Boot...

ASX: Powering Australia's financial marketsWhy join the ASX?When you join ASX, you’re joining a company with a strong purpose – to power a stronger economic future by enabling a fair and dynamic marketplace for all.In your new role, you’ll be part of a leading global securities exchange with a strong brand. We are known for being a trusted market...

QualificationsMinimum 8+ years of experienceExperience in Backend tech - Java, Spring BootExpertise with Microservices, Restful API design patternExperienced in frontend tech – Next.jsDevOps and CI/CD – TeamCity, GitHub CopilotAWS Cloud – EC2, SNS, S3, Lambda, Certification is a mustDevOps and CI/CD – TeamCity, GitHub Actions, Grafana, PrometheusAI &...

We are seeking a highly skilled Java AI Engineer with strong expertise in Java, Spring Boot, and modern AI technologies, including Claude, OpenAI, Large Language Models (LLMs), Agentic AI, RAG, and AI-powered application development.This role will be at the forefront of building next-generation intelligent applications by combining enterprise-grade Java...

12 Month Federal Government Contract + 2 x 12 Month Extension Options NV1 Security Clearance Required Bridge IT Engineering is partnering with a major Federal Government client seeking multiple Senior Azure Java Stack Software Engineers (Developers) to support a mission-critical national intelligence platform. About the Role This is a senior, hands-on Full...

Balance Recruitment is seeking a Lead Java Software Engineer for a leading payments provider. You will architect and build Java microservices (Java 17, Spring Boot 3.x) to authorise and settle card payments at scale, ensuring global reliability.You will mentor engineers, conduct PR reviews, and drive AI-assisted coding adoption using Claude Code CLI, while...

Kaizen Global Technologies is seeking a backend software engineer in Australia to develop scalable Java/Spring Boot microservices and REST APIs. You will design and optimise PostgreSQL/SQL Server databases and build event‑driven applications using Kafka or IBM MQ.You will implement unit, integration and contract tests and deploy applications with Docker,...

TPG Telecom in Sydney, NSW is seeking a senior software engineer to contribute to design, development and maintenance of enterprise applications. You will work with Java, Spring, AWS and Linux in a collaborative team across multiple locations, applying TDD and API-focused development.This role emphasizes strong problem solving, end-to-end delivery, and...

Base Engineer skillsetCloud based micro service developmentWeb service developmentJava 11 / Spring, Spring-BootAWS ECSAWS RDS PostgreSQLKafkaKong API GatewayJenkins, CI/CDDesirable: NAB/nabServ experience, Drools, JBPM

OverviewMinimum 7+ years of experience.QualificationsExperience in Backend tech - Java, Spring BootExpertise with Microservices, Restful API design patternExperienced in frontend tech – Next.jsDevOps and CI/CD – TeamCity, GitHub CopilotAWS Cloud – EC2, SNS, S3, Lambda, Certification is a mustDevOps and CI/CD – TeamCity, GitHub Actions, Grafana,...

This job posting expired and applications are no longer accepted.Join a team of high performing engineers in Customer Entitlements where we are building a revolutionary platform leveraging cutting-edge technologies like DSE Graph and Apache Cassandra, that will provision, determine and maintain the account access and permission of Banking and Financial...

You will join a long-term, enterprise-scale project for a global client in the investment banking domain. The project focuses on building and evolving a set of mission-critical backend services that support complex business workflows, regulatory processes, and system integrations across the bank's ecosystem. The platform is based on a distributed...

iGreenData - A Synechron Company is seeking a software engineer in Melbourne to design and implement scalable software solutions. You will contribute in agile teams, delivering robust Java-based services and modern UI components, while aligning with customer requirements and best practices.The role emphasizes collaboration, continuous learning, and a hybrid...

Ambush is a people-first company where talented, thoughtful individuals come together to build meaningful products and lasting partnerships. We believe the best work happens when people feel supported, trusted, and empowered to bring their full abilities to the table.Since 2015, because of our people-first and long-term mindset, we have grown into a partner...