CrawlJobs Logo
ELEKS Logo ELEKS · IT - Software Development

Senior Java Developer With Openshift

Argentina · Job Posted May 30, 2026
Apply Position
Job Link Share

Job Description

ELEKS Software Engineering & Development Office is looking for a Senior Java Developer with strong OpenShift experience in Argentina. ABOUT PROJECT: We are looking for a Java Developer with strong OpenShift skills to join a healthcare product team working on API modernization and integration initiatives for a large U.S. healthcare organization. In this role, you will support the development, deployment, and maintenance of Java-based APIs running in OpenShift environments, collaborate with cross-functional engineering teams, and contribute to production-ready solutions in a complex enterprise ecosystem.

Job Responsibility

  • Support development activities related to enterprise Java APIs and integration services
  • Deploy, maintain, and troubleshoot applications in OpenShift environments
  • Collaborate with developers, platform engineers, and business stakeholders to support delivery timelines
  • Participate in API modernization and migration initiatives across cloud platforms
  • Troubleshoot production issues and provide application support in enterprise environments
  • Contribute to the design, development, and enhancement of Java-based microservices and APIs
  • Support CI/CD processes and application deployment activities
  • Ensure reliability, performance, and operational readiness of applications running in production
  • Participate in code reviews, testing, and technical discussions with distributed teams

Requirements

  • Strong Java development experience (Java 8–17)
  • Hands-on experience with OpenShift / OpenShift Container Platform (OCP)
  • Experience with Spring Boot, Spring Integration, Spring Cloud, and Spring Data
  • Solid understanding of REST APIs and microservices architecture
  • Experience with Docker and containerized application deployment
  • Experience with messaging technologies such as Kafka and RabbitMQ
  • Experience working with SQL databases
  • Ability to work independently in production and support environments

Nice to have

  • Exposure to MuleSoft and enterprise integration platforms
  • Experience supporting API migration and integration initiatives within enterprise environments

What we offer

  • Close cooperation with a customer
  • Challenging tasks
  • Competence development
  • Ability to influence project technologies
  • Team of professionals
  • Dynamic environment with low level of bureaucracy
ELEKS - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Java Developer With Openshift

8 matching positions

Senior Java Developer

You will join the Equity Derivatives Trade management technology team in Singapo...
Location
Location
Singapore , Singapore
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • At least 10 years of 'hands-on' software development experience
  • Strong knowledge on Java 8, Core Java, Spring, Hibernate and restful web services including its data interchange format/definition such as XML, JSON
  • Strong experience in distributed caching technologies like Apache Ignite or similar
  • Familiar with different persistent storage technologies such as RDMS (Sybase, SQL Server or Oracle) and NoSQL
  • Strong Knowledge of Equity Derivatives products & product lifecycle
  • Solid experience working with source code management tools – Git or Bitbucket
  • Experience working with UI frameworks such as React or Angular
  • Experience working with OpenShift / Kubernetes or other cloud platforms
  • Good understanding of clean coding principles
  • Good understanding of code quality measurements using tools like Sonar and able to implement design and implement unit, integration, and functional tests
Job Responsibility
Job Responsibility
  • Working with the team to define the architecture, design, development, code review, testing and maintenance of applications
  • Design and implement scalable applications and services with a solid focus on quality, continuous integration, and deployment
  • Write testable code following clean coding and SOLID design principles
  • Perform code reviews and contribute to overall quality, maintainability and testability of software developed
  • Be willing and able to adapt to changes in priorities and requirements
  • Be a self-starter and plan/schedule own work for tasks and projects, implement functionality without direct supervision
  • Work closely with clients and stakeholders to define feature requirements and deliver a product that materially impacts the business and improves the end user experience
  • Work closely with teams to form good working culture and continuously adapt to different working environment
What we offer
What we offer
  • Global benefits designed to support well-being, growth and work-life balance
  • Fulltime
Read More
Arrow Right

Senior Java Developer / Tech Lead

Keyrus MEA is seeking a seasoned technical lead with strong consultative skills ...
Location
Location
Tunisia
Salary
Salary:
Not provided
keyrus.com Logo
Keyrus
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of Java (Java, Quarkus, Hibernate, Spring Boot) development experience
  • Experience with at least one modern front-end web framework, preferably React, VueJs
  • Experience with microservices architecture
  • Practical experience with developing and consuming REST services
  • Familiarity with SQL, relational and NoSQL databases
  • Proficiency with Test-Driven Development and testing frameworks
  • Knowledge of containerization techniques, with preference for OpenShift, Kubernetes and Docker
Job Responsibility
Job Responsibility
  • Build strong client, industry, and technical community relationships and represent Keyrus MEA as leader in Industry
  • Develop and maintain strong internal and external customer relationships
  • Demonstrate expert-level technical knowledge and implementation skills
  • Serve as a subject matter expert
  • Build trust and respect among internal and external stakeholders and model collaborative teamwork
  • Display a drive to evolve industry-standard architectures, patterns, and frameworks into custom solutions that maximize client value
  • Continually innovate, seek creative solutions, and find new ways of adding value
  • Listen and seek to understand the client and meet their needs, providing consultative guidance
  • Stay attuned to the future needs of the client and work with internal resources to identify opportunities
  • Proactively provide solutions and approach adversity with a solution-focused mindset
What we offer
What we offer
  • A dynamic and international environment surrounded by enthusiastic and professional colleagues
  • Company benefits & perks
  • We invest considerable time and resources in training our staff (technical and non-technical courses)
  • Very attractive salary package, bonus scheme, Health insurance, etc
Read More
Arrow Right

Senior Java Developer

The Fixed Income Data team is experiencing rapid growth, committed to delivering...
Location
Location
Canada , Mississauga
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3-5 years of demonstrable and relevant experience in software development, with a strong focus on API development and big data solutions
  • expertise in developing high-performance APIs for large-scale data platforms and distributed systems
  • extensive hands-on experience with data distribution platforms like Apache Kafka, and various big data storage/querying systems (e.g., Trino, Pinot, Druid, Ignite) for low-latency access via APIs
  • solid understanding of Java / Scala with a focus on building high-performance, concurrent applications
  • strong experience with the Spring stack, particularly Spring Boot for building microservices that expose data via APIs
  • expert-level understanding and demonstrable experience in REST API development for data reporting and consumption
  • demonstrable experience in writing reusable, testable, and efficient code with proper error and exception handling, especially for fault-tolerant API services
  • experience with the design and implementation of cloud-native applications and deployment via Kubernetes / OpenShift, specifically for managing API-driven data services
  • hands-on experience in handling various data structures and optimizing them for API consumption and analytical queries
  • experience with API Gateway, Circuit Breaker, Spring Security, Discovery Server, and monitoring services (e.g., Prometheus, Grafana) is a plus, particularly in an API-driven data ecosystem
Job Responsibility
Job Responsibility
  • design, develop, and implement highly scalable and resilient API services for data access and processing, leveraging big data platforms
  • conduct feasibility studies, time and cost estimates for new API-driven data solutions and establish and implement new or revised applications and systems to meet specific business needs or user areas
  • monitor and control all phases of the development process (analysis, design, construction, testing, and deployment) for API-driven data applications, providing operational support
  • utilize in-depth specialty knowledge of API development for big data environments and analytics to analyze complex problems/issues, evaluate business processes, system processes, and industry standards, and make evaluative judgments
  • ensure essential procedures are followed and help define operating standards and processes for API-driven data infrastructure
  • serve as an advisor or coach to new or junior analysts on API development and big data access best practices
  • operate with a limited level of direct supervision, exercising independence of judgment and autonomy
  • act as a Subject Matter Expert (SME) to senior stakeholders and/or other team members on data API technologies and their application in finance
What we offer
What we offer
  • flexibility to work with a global team across geographies and time zones
  • Fulltime
Read More
Arrow Right

Java Application Developer

The Applications Development Intermediate Programmer Analyst is an intermediate ...
Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of experience as a Software Engineer/Developer using Java, Spring, Springboot, microservices
  • strong hands-on experience in Java, Spring boot, Kafka, Openshift, SQL/NoSQL tech stack
  • 6+ years of experience with software engineering best practices (Junit testing, automation, design patterns, peer review, etc.)
  • strong Experience in Object Oriented Principles using Java 17
  • experience in Cloud-native development and Container Orchestration tools (Serverless, Docker, Kubernetes, OpenShift, etc.)
  • exposure to Continuous Integration and Continuous Delivery (CI/CD) pipelines, either on-premise or public cloud (i.e., Tekton, Harness, Jenkins, etc.)
  • hands-on working experience with Junit, Git, Jenkins, Maven
  • should have troubleshooting skills using debuggers, logs, etc.
  • multiple years of experience with agile and iterative software delivery (SCRUM, Kanban)
  • strong Proficiency in SQL Databases, MongoDB, Oracle, Data Analysis
Job Responsibility
Job Responsibility
  • utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
  • consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
  • apply fundamental knowledge of programming languages for design specifications
  • analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
  • serve as advisor or coach to new or lower level analysts
  • identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
  • resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
  • act as SME to senior stakeholders and /or other team members
  • appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations
  • part of Payment modernization for the bank to develop and migrate payment applications on the modernized enterprise application platform
  • Fulltime
Read More
Arrow Right

Full Stack Developer

Full Stack Developer role in Citi's Chief Technology Office (CTO) Technology Str...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in computer science, Software Engineering, or a related field
  • 8-10 years of professional experience in software development
  • Solid understanding of fundamental database concepts and practical experience with relational databases (e.g., MSSQL, Oracle) and/or NoSQL platforms (MongoDB)
  • Proficiency in Python, with experience in data manipulation and processing using frameworks like Apache Spark, PySpark
  • Hands-on experience with back-end technologies, such as Spring, Spring Boot, and Java 11+
  • Hands-on experience with front-end technologies, preferably React
  • Experience with Docker, Kubernetes, and container orchestration platforms
  • Comprehensive understanding of unit testing methodologies, test coverage principles, and experience in writing effective unit tests
  • Familiarity with foundational Generative AI model architectures (e.g., Transformers, GANs) and practical experience with deep learning libraries such as TensorFlow or PyTorch
Job Responsibility
Job Responsibility
  • Design, code, and optimize robust ETL data pipelines using technologies such as Python, PySpark, Apache Spark, Kafka, SQL to prepare large datasets for analysis
  • Participate in design, development, and deployment of full-stack applications utilizing Spring Boot and React frameworks
  • Implement scalable, resilient microservices deployed in Docker containers, orchestrated within an OpenShift environment
  • Work alongside senior developers to explore, fine-tune, and integrate pre-trained Generative AI models
  • Troubleshoot and resolve complex data-related issue and performance bottlenecks
  • Actively participate in agile ceremonies, including sprint planning, daily stand-ups, and sprint retrospectives
  • Fulltime
Read More
Arrow Right

Big Data Platform Senior Engineer

Lead Java Data Engineer to guide and mentor a talented team of engineers in buil...
Location
Location
Bahrain , Seef, Manama
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Significant hands-on experience developing high-performance Java applications (Java 11+ preferred) with strong foundation in core Java concepts, OOP, and OOAD
  • Proven experience building and maintaining data pipelines using technologies like Kafka, Apache Spark, or Apache Flink
  • Familiarity with event-driven architectures and experience in developing real-time, low-latency applications
  • Deep understanding of distributed systems concepts and experience with MPP platforms such as Trino (Presto) or Snowflake
  • Experience deploying and managing applications on container orchestration platforms like Kubernetes, OpenShift, or ECS
  • Demonstrated ability to lead and mentor engineering teams, communicate complex technical concepts effectively, and collaborate across diverse teams
  • Excellent problem-solving skills and data-driven approach to decision-making
Job Responsibility
Job Responsibility
  • Provide technical leadership and mentorship to a team of data engineers
  • Lead the design and development of highly scalable, low-latency, fault-tolerant data pipelines and platform components
  • Stay abreast of emerging open-source data technologies and evaluate their suitability for integration
  • Continuously identify and implement performance optimizations across the data platform
  • Partner closely with stakeholders across engineering, data science, and business teams to understand requirements
  • Drive the timely and high-quality delivery of data platform projects
  • Fulltime
Read More
Arrow Right

Senior Full Stack Data Engineer

Senior Full Stack Data Engineer role in Citi's Chief Technology Office (CTO) Tec...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum of 8 years of proven experience in software development
  • Significant experience as a Data Engineer and Full Stack Developer
  • Strong proficiency in SQL for data querying, manipulation, and optimization
  • Experience with NoSQL databases, such as MongoDB
  • Expertise in designing and developing data pipelines for ingestion, transformation, and processing of large datasets
  • Deep understanding of multithreading, thread pools, Object-Oriented Programming (OOP) concepts, and design patterns
  • Demonstrated experience working in an Agile software development environment
  • Excellent communication, problem-solving, and analytical skills
  • Proficiency in at least one of the following programming languages: Java or Python
  • Strong knowledge of DevOps practices, including source control management (e.g., Git), Continuous Integration (CI), Continuous Delivery/Deployment (CD), and automated deployments
Job Responsibility
Job Responsibility
  • Design and develop scalable data solutions leveraging platforms such as Iceberg, Snowflake, Trino, or other modern data ecosystems
  • Design, build, and optimize robust Extract, Load, Transform (ELT) and Extract, Transform, Load (ETL) data pipelines
  • Collaborate effectively with domain experts, product managers, analysts, and data scientists to understand data requirements and deliver efficient data solutions
  • Enable advanced analytics and machine learning workflows by ensuring the delivery of high-quality, reliable, and timely data
  • Implement and manage CI/CD pipelines to automate data engineering workflows across both cloud and on-premises environments
  • Research, evaluate, and recommend the integration of open-source technologies into our data platform
  • Clearly communicate complex technical details, project progress, and challenges to both technical and non-technical stakeholders
  • Design, develop, and implement scalable full-stack applications using technologies such as JavaScript, ReactJS, NodeJS, Python, and SQL/NoSQL databases
  • Write clean, efficient, well-documented, and maintainable code, adhering to industry best practices
  • Fulltime
Read More
Arrow Right

Senior Technical Engineering Lead

The Digital S/W Eng Lead Analyst is a strategic professional who stays abreast o...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6-10 years of relevant experience in an Apps Development role or senior level experience in an Enterprise Architecture role with subject matter expert in one or more areas
  • Expertise in all aspects of technology by understanding broader patterns and techniques as they apply to Citi's internal and external cloud platforms (AWS, PCF, Akamai)
  • Advanced knowledge of algorithms, data structures, distributed systems, networking
  • Knowledge on automating code quality, code performance, unit testing, and build processing in the CI/CD
  • Bachelor's/University degree, Master's degree preferred
  • Hands on Experience with Java, Springboot, OpenShift, Public cloud, AngularJS, Spring, Mongo DB, Oracle
  • Strong experience with tools like Eureka, Hystrix, Docker, Kubernetes
  • Good knowledge and experience on GenAI tools and technologies
  • Working knowledge of CI/CD, BitBucket, RTC, SVN, etc. for source control
  • Experience with automation tools – Junit / TestNG frameworks, Selenium, Appium, Cucumber
Job Responsibility
Job Responsibility
  • Accountable for executing and driving results on large-scale efforts or multiple smaller efforts and serving as a development lead for most medium and large projects
  • Accountable for exhibiting a strong understanding of client core business functions
  • Required to support situations in which end user consultation is required to identify system function specifications and incorporate them into overall system design and delivery
  • Assist in the planning and managing of application development assignments generally involving large budgets, cross functional projects or multiple projects
  • Accountable for providing guidance on architecturally significant efforts during the preplanning phase
  • Publish design review extensions, and provide documented guidance aligned to sprint plans and timelines
  • Be part of the design review board that will focus on the design process, search for generic patterns, and share best practices across the organization
  • Publish design patterns across lines of business and domain commonalities
  • Drive design reviews for Next Gen Architecture (NGA) and Plan of Record (POR) projects
  • Participate in micro services and NGA code reviews
  • Fulltime
Read More
Arrow Right