CORE JAVA DEVELOPER SKILLS, EXPERIENCE, AND JOB REQUIREMENTS
Updated: Jan 02, 2025 - The Core Java Developer possesses robust experience in Core Java development, complemented by a background in commodities trading or trade finance platforms within financial services. This role entails proficiency with service-oriented technologies such as REST, JSON, Protobuf, along with frameworks like Spring Boot and Drop Wizard, and a solid grasp of UI design and development using DevExtreme, React, and Typescript. Expertise extends to designing database-driven applications, utilizing open-source frameworks like Apache Spark, Kafka, Hadoop, and employing Agile methodologies to deliver both backend and frontend solutions, including Angular.
Essential Hard and Soft Skills for a Standout Core Java Developer Resume
- Java
- Spring Framework
- Hibernate
- RESTful APIs
- JUnit
- Maven
- SQL
- Git
- Jenkins
- Docker
- Problem-solving
- Communication
- Adaptability
- Teamwork
- Attention to detail
- Critical thinking
- Time management
- Creativity
- Initiative
- Stress management


Summary of Core Java Developer Knowledge and Qualifications on Resume
1. BS in Computer Science with 3 years of Experience
- Expertise or knowledge of compiler internals, static code analyzers, abstract interpretation, including for dynamic languages
- Expertise in Java and any dynamic language (JavaScript, Python, etc.).
- Ability and desire to learn new programming languages
- Strong analytical and problem-solving skills
- A passion for delivering high-quality products.
- Experience with software systems running on multiple platform types.
- Excellent written and verbal communication skills
- Ability to effectively communicate design proposals and specifications
- Understanding of the Security domain.
- Experience with scripting languages using Unix (Preferred), Python.
- Work independently and contribute to the success of assigned project(s).
2. BA in Software Engineering with 5 years of Experience
- Experience with Java, Python, and SQL.
- Experience with relational SQL and NoSQL databases such as Oracle, MongoDB, HBase
- Experience in Hadoop, Spark, Hive, Kafka, and Unix Scripting
- Experience with service-oriented architecture and Microservices, API, REST
- Experienced in working with large and multiple datasets and data warehouses
- Experience building and optimizing ‘big data’ data pipelines, architectures and data sets.
- Strong Analytic Skills And Experience Working With Unstructured Datasets
- Ability to effectively use complex analytical, interpretive and problem-solving techniques
- Interpersonal, verbal, and written communication skills
- Ability to learn and adapt to new technologies.
- Good problem-solving skills
3. BS in Information Technology with 7 years of Experience
- Experience in application development and support using core java.
- Strong Financial experience
- Strong API Experience
- Strong Experience with Java, J2EE, JMS
- Experience with Spring framework.
- Experience with RDS Oracle, PostgreSQL and integration with Java
- Experience with UNIX/Linux Operating System with good knowledge of commands
- Strong working experience with cloud providers – AWS
- Basic understanding of .Net component
- Experience using system tools, source control systems like Git/SVN, utilities and third-party products.
- Demonstrated skill to proactively resolve issues and escalate appropriately
- Excellent communication and interpersonal skills are essential, with strong verbal and writing proficiencies.
4. BS in Computer Engineering with 4 years of Experience
- Experience with product line (Communication manager),
- Experience with Core Java, Spring Boot, REST-full services, Hibernate, caching
- Experience with messaging frameworks MQ, Kafka, Rabit MQ
- Experience with Integration approaches, patterns
- Ability to coach techniques at various levels UI, Business Tier, etc also Radis, Hazelcast, and Hibernate
- Knowledge of Cloud AWS and UNIX / Linux basics
- Knowledge of Javascript, Angular / Backbone, or anyone Javascript framework basics
- Good knowledge of Databases.
- Able to write simple/complex queries, and procedures.
- Exceptional Troubleshooting, debugging, code optimization.
- Able to work independently and provide timely deliveries.
- Knowledge of HTML, Pebble, and basic UI development.
5. BA in Information Systems with 5 years of Experience
- DevOps experience in Automating, Developing, Configuring and deploying instances in a Cloud environment
- Able to investigate build issues and resolve them independently
- Experience in Mentoring and coaching Jr. team members technically and resolve technical issues
- Ability to Interact with client managers, developers, testers and other cross-functional teams
- Experience in using the Jira Project Management tool
- Passionate about contributing to a small team and helping drive technical vision
- Experience with Core JAVA and J2EE (including spring and JPA/Hibernate), and REST/SOAP Web Services
- Experience with Front End such as JS, CSS, HTML ReactJS
- Experience with Oracle database
- Knowledge to migrate the old Oracle server to new Oracle server (Basically migrating the existing data to new oracle server)
- Experience with Messaging services like Java Messaging
6. BS in Systems Programming with 6 years of Experience
- Strong Core Java development expertise with development experience
- Experience with the commodities trading industry or with trade finance platforms within financial services
- Service-oriented technologies like REST, JSON, Protobuf, Spring Boot, Drop Wizard
- Experience with UI design and development like DevExtreme, React, Typescript
- Expertise with database-driven applications
- Experience with open source frameworks such as Apache Spark, Kafka, Hadoop, Activiti
- Design skills including OO analysis & design and Domain-driven design
- Experience with Agile development practices
- Experience with full stack resource for back-end logic/tables and front-end user
- Experience with Angular
7. BA in Applied Computing with 4 years of Experience
- Experience with enterprise software development using Java
- Strong knowledge of object-oriented design patterns and multi-threading programming
- Familiarity with streaming technologies such as Kafka/Redis etc.
- Experience with microservices using Spring/Spring Boot (or, ideally, hands-on experience migrating a monolithic application to a cloud-centric environment microservices)
- Experience using frontend technologies such as react or angular
- Experience with AWS
- Experience in Software Development using Java/J2EE.
- Experience in building Web services (SOAP and REST)
- Solid understanding and hands-on experience with Core Java areas such as Collection framework, Multithreading, OOPS implementation, Exception handling, etc.
- Experience in developing Java apps with in-depth knowledge of Java frameworks like Spring.
- Experience in Front-end UI development with HTML, CSS, bootstrap, JQuery and JavaScrip
8. BS in Software Development with 5 years of Experience
- Experience in Solution, Design and Development of applications using Java8+, Spring Boot and JPA.
- Extensive experience in handling end-to-end implementation projects.
- Good Working knowledge of Micro-services using Restful Web Services.
- Experience in API Security with Spring Security.
- Experience in Core Java and Concurrency.
- Experience in Front-to-back integration with front-end technology (Angular or React).
- Good Knowledge of Oracle database concepts with working knowledge of SQL and Stored Procedures.
- Good with design patterns and coding standards for secure software development.
- Experience with GIT, Jenkins and Artifactory.
- Experience with any build and deployment tools like Maven.
- Exposure to working in an Agile project environment.
- Strong analytical and development skills to troubleshoot issues and develop effective solutions.
Professional Skills FAQs
What are professional skills?
Professional skills are abilities that help individuals perform tasks effectively in a workplace environment. These skills include both technical competencies required for specific roles and soft skills such as communication, teamwork, and problem solving.
What is the difference between hard skills and soft skills?
Hard skills are technical abilities learned through education or training, such as programming, data analysis, or laboratory testing. Soft skills refer to interpersonal abilities like communication, leadership, adaptability, and teamwork.
Why are professional skills important for careers and resumes?
Professional skills help employers evaluate whether a candidate can perform job responsibilities effectively. Listing relevant skills on a resume demonstrates qualifications and helps applications pass Applicant Tracking Systems used in modern hiring processes.
What professional skills do employers look for?
Employers usually value a combination of technical expertise and transferable workplace skills. Common examples include analytical thinking, communication, teamwork, leadership, time management, adaptability, and digital literacy.
How can professionals develop professional skills?
Professionals can develop skills through continuous learning, training programs, certifications, mentorship, and practical work experience. Staying updated with industry trends also helps individuals maintain relevant and competitive skills.
Editorial Process
Lamwork content is developed through structured review of publicly available job postings and documented hiring trends.
Editorial operations are managed by Thanh Huyen, Managing Editor, with research direction and final oversight by Lam Nguyen, Founder & Editorial Lead. Content is periodically reviewed to reflect observable labor market changes.