Java API Developer

LTM; City of Melbourne; On-site; AUD 120,000 - 180,000; Full time

Job summary

LTM Australia is seeking an experienced Java and MuleSoft Developer to design, build, and support enterprise applications and APIs. You’ll work with Java, Spring Boot, microservices, and MuleSoft Anypoint Platform to deliver secure, scalable integrations across business domains.

Collaboration with architects, DevOps, and delivery teams will be routine to ensure end-to-end integration success. Ideal candidates bring 6–8+ years in Java/MuleSoft, strong API-led connectivity experience, and hands-on

Qualifications

• Extensive experience with Java, MuleSoft, and API development.
• Hands-on knowledge of Spring Boot, microservices, and API-led connectivity.
• Experience with CI/CD, automated testing, and production support.

Responsibilities

• Design and implement APIs and enterprise integrations on MuleSoft.
• Develop Java/Spring Boot microservices and backend services.
• Collaborate with architects, DevOps, and distributed teams to deliver end-to-end solutions.
• Apply secure coding practices, logging, and error handling.

Skills

Java

MuleSoft

Spring Boot

Microservices

API development

CI/CD

Observability

Security

GitHub

Jenkins

Education

Bachelor’s/Master’s degree in Computer Science or related field

Tools

MuleSoft Anypoint Studio

OpenAPI

GitHub

CircleCI

Maven

Nexus

Job description

LTM is a global technology consulting and digital solutions company that enables enterprises across industries to reimagine business models, accelerate innovation, and maximize growth by harnessing digital technologies. As a digital transformation partner to more than 750 clients, LTM brings extensive domain and technology expertise to help drive superior competitive differentiation, customer experiences, and business outcomes in a converging world. Powered by nearly 90,000 talented and entrepreneurial professionals across more than 30 countries, LTM — a Larsen & Toubro Group company — combines the industry-acclaimed strengths of erstwhile Larsen and Toubro Infotech and Mindtree in solving the most complex business challenges and delivering transformation at scale. For more information, please visit www.ltm.com

Experience: 6-8+ years in Java, MuleSoft integration and API development with Java Spring boot experience

Role:

We are seeking an experienced Java and MuleSoft Developer to design, develop, integrate, deploy, and support secure, scalable, and high-performing enterprise applications and APIs. The role requires strong hands‑on expertise in Java, Spring Boot, microservices, and MuleSoft Anypoint Platform, along with experience across API‑led connectivity, system integration, automated testing, CI/CD, observability, security, and production support. The successful candidate will work with business stakeholders, architects, technical leads, DevOps engineers, and geographically distributed delivery teams to deliver end‑to‑end integration and application solutions.

Key Responsibilities:

• Design and implement APIs using API‑led connectivity (Experience, Process, and System APIs) on MuleSoft Anypoint Platform.
• Design, develop, test, deploy, and maintain enterprise applications using Java and Spring Boot.
• Develop RESTful APIs, microservices, backend services, and reusable application components.
• Apply object‑oriented programming principles, design patterns, and clean‑code practices.
• Implement application‑level validation, exception handling, logging, security, and transaction management.
• Hand on working experience on Github copilot
• Hand on working experience on Github workflow
• Develop integrations with relational databases (Oracle, SQL Server), file systems (NAS), and cloud applications (Salesforce, ServiceNow).
• Perform complex data transformations using DataWeave (JSON, XML, CSV, Base64, binary).
• Deploy APIs securely on MuleSoft CloudHub
• Implement encryption and security protocols: TLS 1.2, OAuth 2.0, Two‑way SSL, PGP/JCI encryption.
• Collaborate with cross‑functional teams to gather requirements and troubleshoot integration issues.
• Write MUnit test cases and support CI/CD pipelines using GitHub, CircleCI, Maven.
• Maintain detailed documentation and participate in code reviews
• Work closely with tech lead / architect and align day to day development activities
• Work closely with onsite customer stakeholders for project deliverables

Technical Skills:

• Proficiency in MuleSoft Anypoint Studio, API Manager, Runtime Manager, and Design Center.
• Experience in working in end-2-end delivery including Requirement Analysis, Creating HLD & LLD, effort estimation, End-2-End Development & Testing, Deployment, Hyper-Care around MuleSoft
• Experience in Java Spring boot Microservices, API Gateway
• Strong command of DataWeave 2.0 and OpenAPI specifications.
• Experience with SOAP/REST web services, XML, XSLT, and cloud APIs.
• Familiarity with DevOps tools: GitHub, Maven, CircleCI, Nexus.
• Hands‑on with Mule connectors: HTTP, Database, File, JMS, Anypoint MQ, Object Store
• Experience in global deployments and batch processing for enterprise systems.
• Exposure to Agile methodologies and sprint planning.
• Experience using tools like SOAP UI/Postman, Jenkins, JIRA, GitHub.
• Participate in the peer review process to assist others in improving their code, and listening to ideas from others
• Deliver quality code and exhibit expertise in analysis, development & unit testing in a complex application environment.
• Background in both waterfall & agile ways‑of‑working.
• Strong work ethic with good time management with ability to work with diverse teams and lead meetings
• CI/CD with GitHub Actions/Jenkins/Azure DevOps, artifact versioning, environment promotion, and automated quality gates.
• Observability with Anypoint Monitoring / New Relic, dashboards, log correlation, and proactive alerting.
• Building APIs using GitHub Copilot, MuleSoft Vibes, and Einstein for developer productivity and insight generation.
• Strong grasp of integration patterns (sync/async, pub‑sub, CQRS, batch), error handling, retries, idempotency, and circuit breakers

Qualification

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• MuleSoft certifications (e.g., "MuleSoft Developer/Integration Architect") preferred.
• Demonstrated ability to produce high‑quality deliverables: clean code, reusable assets, documentation, and runbooks.

Soft Skills

• Strong analytical and problem‑solving abilities
• Excellent verbal and written communication
• Ability to work independently and in geographically distributed teams (India, Australia, Europe)

LTM Australia

• Work on large-scale enterprise and cloud integration programs
• Be part of a globally recognized digital transformation leader
• Exposure to cutting‑edge integration, API, and automation platforms
• Strong career growth, learning pathways, and certification support
• Collaborative, high-performance consulting environment

LTM proud to be an equal opportunity employer. We are committed to equal employment opportunity regardless of race, ethnicity, nationality, gender, gender-identity, gender expression, language, age, sexual orientation, religion, marital status, veteran status, socio-economic status, disability or any other characteristic protected by applicable law.