Total 3 java developer job vacancies

Good experience in execution of large Web GIS, Desktop and Mobile GIS Applications Development projects using ESRI technology

Should be Strong Project Management and Business Analysis skills

Hands on Experience in ESRI ArcGIS Enterprise Solutions implementation in Government, Utilities and Telecom

Shall be strong in Oracle, SQL Server, PostGIS, MySQL with Spatial Methods

Experience in Architecting Large Scale Enterprise GIS Systems for Government, Utility domains and migration projects from legacy systems

Working knowledge of ArcGIS Enterprise system

Should be able to architect integration of GIS with Enterprise IT/Business Systems

Sound knowledge in writing business requirements and tracing them for closure

Should be strong in stakeholder management, communication and presentation skills

GIS Low code Engineer-

Key Responsibilities:

▪️ Lead the development and customisation of GIS applications using ESRI's ArcGIS Enterprise platform

▪️ Design and implement FME workflows for spatial data transformation and integration

▪️ Develop and maintain REST APIs for geospatial services and clash analysis using ESRI's ArcGIS Enterprise platform

▪️ Optimise spatial queries and improve performance of GIS services

▪️ Provide technical leadership in geospatial architecture decisions

Required Skills and Experience:

▪️ At least 5 years of development experience in one of the following Geospatial areas:

- 3D Mapping

- Survey and Mapping

- Map layer management

- Global positioning

Proficiency in developing and consuming REST APIs for spatial services

Strong understanding of spatial databases (Oracle Spatial, PostGIS)

Basic experience with Python scripting for GIS automation

Knowledge of web mapping technologies and standards (OGC)

Experience working in agile development environments

Technical Skills:

▪️ Proficient in at least one geospatial software suite

▪️ Programming: Python, JavaScript

* Relational and Spatial Databases: Oracle Spatial or PostGIS and Oracle or MySQL or MSSQL Server

* Web Services: REST APIs, SOAP

* Version Control: GitLab or equivalent

* Spatial Analysis Tools & Data Transformation Tools

Good to Have:

• Experience with Singapore Government GIS projects

• Knowledge of Singapore Government Technology Stack (SGTS)

• Experience with OneMap APIs

• Understanding of government security policies for spatial data

• Exposure to cloud-based GIS solutions

• Experience with spatial big data processing

• Experience with 3D GIS applications

Key Responsibilities

• Design and develop high-concurrency, high-availability backend systems
• Lead system architecture design and technical solutioning
• Build and optimize distributed systems and microservices architecture
• Develop and enhance middleware solutions (Kafka, RocketMQ, etc.)
• Troubleshoot and resolve performance bottlenecks
• Implement and improve CI/CD pipelines and DevOps practices
• Conduct stress testing and system performance tuning
• Collaborate with cross-functional teams to deliver scalable solutions
• Provide technical guidance and mentorship to junior engineers

Requirements

• Minimum 10+ years of experience in software development
• Strong experience in Java backend development

Technical Skills

• Proficiency in:Java, Spring Boot, MyBatisDistributed systems & microservices architecture
• Hands-on experience with:Kafka, RocketMQ, Zookeeper, RedisMySQL, PostgreSQL, MongoDB
• Experience with:Cloud platforms (AWS / Alibaba Cloud)Docker, Jenkins, CI/CD pipelines
• Strong knowledge of:High-concurrency system designPerformance optimization & scalabilityMulti-data-center deployment

Preferred Qualifications

• Experience in fintech, ride-hailing, or large-scale platform systems
• Exposure to matching engines, pricing systems, or risk control systems
• Experience building custom middleware frameworks
• Proven track record in handling systems with millions of users

• Hands-on experience in Blockchain Development (Solidity / Smart Contracts)
• Strong programming skills in Java / Python
• Experience in Distributed Systems & High-Scale Backend Architecture
• Working knowledge of Kafka, Redis, WebSocket, Netty
• Exposure to DeFi / multi-chain ecosystems / asset tracking
• Strong understanding of system performance optimization and scalability