CrawlJobs Logo

Java Developer Intern

India, Ahemdabad, Pune, Mumbai · Job Posted March 21, 2026
Apply Position
Job Link Share

Job Description

We are looking for motivated and passionate Java Developer Interns who are eager to learn and build real-world applications. This internship will provide hands-on experience in Java programming, backend development, and software development practices while working with our experienced development team.

Job Responsibility

  • Assist in developing applications using Java and related frameworks
  • Write clean, efficient, and maintainable code
  • Support the development of backend modules and REST APIs
  • Participate in debugging, testing, and performance improvement
  • Work with databases to store and manage application data
  • Collaborate with team members to implement new features
  • Learn best practices in software development and coding standards

Requirements

  • Basic knowledge of Java programming language
  • Understanding of Object-Oriented Programming (OOP) concepts
  • Basic knowledge of HTML, CSS, and JavaScript (optional)
  • Familiarity with database concepts such as MySQL or SQL
  • Basic understanding of software development lifecycle
  • Good problem-solving and logical thinking skills

Nice to have

  • Knowledge of Spring Boot or Java frameworks
  • Basic understanding of REST APIs
  • Familiarity with Git version control

What we offer

  • Hands-on experience with real-world development projects
  • Mentorship and guidance from experienced developers
  • Internship completion certificate
  • Opportunity for full-time job placement based on performance

Looking for more opportunities?

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

Similar Jobs for

Java Developer Intern

8 matching positions

Java Developer Intern

We are looking for a Java Developer Intern to join our team in Hanoi, Vietnam. Y...
Location
Location
Vietnam , Hanoi
Salary
Salary:
Not provided
outpost24.com Logo
Outpost24 Group
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Familiar with Java programming language
  • Familiar with using AI tools at work (ChatGPT, Windsurf or others)
  • Good foundation in relational databases, OOP and DSA
  • Good English communication skills
  • Familiar in using Git for version control
  • Ability to work independently
  • Knowledge of writing unit tests
  • Familiar with Java framework – Spring/Spring Boot
  • Knowledge of Python programming language
  • Understanding of RESTful API design principles
Job Responsibility
Job Responsibility
  • Develop and maintain RESTful APIs with Java
  • Implement microservice architecture
  • Write clean, secure, and scalable code
  • Collaborate with the engineering team
  • Learn containerization and stream processing technologies
What we offer
What we offer
  • Receive guidance and mentorship from experienced software engineers
  • Access to AI tools and strong support through AI-driven workflows
  • Gain hands-on experience with microservice architecture and RESTful APIs
  • Develop skills in scaling and managing containerized applications
  • Learn stream processing concepts using message queues
  • Build a strong foundation for your career in software development
  • A flat organizational structure and lots of autonomy
  • An organizational culture founded on trust, respect, adaptability, and commitment
  • The opportunity to be part of a fast-growing and fun European cybersecurity company
  • A healthy work-life balance, so you can enjoy flexible work hours and a hybrid working environment if desired
Read More
Arrow Right

Intern Java Backend Developer

We are looking for a Java Back-End Developer Intern to join our dynamic engineer...
Location
Location
Poland , Warsaw
Salary
Salary:
Not provided
https://www.circlek.com Logo
Circle K
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Understanding of Java programming fundamentals
  • Understanding of basic OOP principles
  • Basic understanding of algorithms and data structures
  • Basic understanding of SQL and database management
  • Basic understanding of RESTful APIs
  • Familiarity with Git
  • Exposure to testing frameworks
  • Exposure to frameworks like Spring or Hibernate (optional)
  • Interest in emerging technologies, especially in AI tolls supporting SDLC
  • Willingness to learn
Job Responsibility
Job Responsibility
  • Assist in developing and maintaining RESTful APIs using Java and Spring Boot for eMobility services
  • Work with databases (PostgreSQL, MySQL) to store and process EV charging and mobility data
  • Write clean code and follow best practices and participate in code reviews
  • Collaborate with senior developers to debug, optimize, and enhance backend services
  • Participate in Agile development processes, including daily stand-ups and code reviews
What we offer
What we offer
  • Hands-on experience with modern backend technologies in the Retail, EV and Fuel market in Global scale
  • Hands-on experience with SCRUM and SAFe
  • Exposure to industry-leading smart EV and Fuel projects
  • Mentorship from experienced developers and domain experts
  • Potential for a full-time offer upon completion of the internship
Read More
Arrow Right

Intern Java Backend Developer

Are you passionate about backend development and eager to gain hands-on experien...
Location
Location
Poland , Warszawa
Salary
Salary:
Not provided
https://www.circlek.com Logo
Circle K
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Understanding of Java programming fundamentals
  • Understanding of basic OOP principles
  • Basic understanding of algorithms and data structures
  • Basic understanding of SQL and database management
  • Basic understanding of RESTful APIs
  • Familiarity with Git
  • Exposure to testing frameworks
  • Exposure to frameworks like Spring or Hibernate (optional)
  • Willingness to learn with open mindset
  • Good communication skills and open for other people
Job Responsibility
Job Responsibility
  • Assist in developing and maintaining RESTful APIs using Java and Spring Boot for eMobility services
  • Work with databases (PostgreSQL, MySQL) to store and process EV charging and mobility data
  • Write clean code and follow best practices and participate in code reviews
  • Collaborate with senior developers to debug, optimize, and enhance backend services
  • Participate in Agile development processes, including daily stand-ups and code reviews
What we offer
What we offer
  • Hands-on experience with modern backend technologies in the eMobility market
  • Hands-on experience with SCRUM and SAFe
  • Exposure to industry-leading EV charging and smart mobility projects
  • Mentorship from experienced developers and domain experts
  • Potential for a full-time offer upon completion of the internship
  • Fulltime
Read More
Arrow Right
New

Java Developer

Banamex is looking for a motivated and skilled Java Developer to join our dynami...
Location
Location
Mexico , Ciudad De Mexico
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5-7 years of professional development experience with Core Java
  • Experience developing RESTful web services and understanding of API design principles
  • Good knowledge of PL/SQL — writing queries, stored procedures, and optimizations
  • Familiarity with Linux environments and basic server-side operations
  • Understanding of microservices concepts and distributed system design
  • Experience working in agile/Scrum development environments
  • Strong problem-solving skills and a collaborative mindset
  • 5-8 years of relevant experience
  • Experience in systems analysis and programming of software applications
  • Experience in managing and implementing successful projects
Job Responsibility
Job Responsibility
  • Develop and maintain backend applications and APIs using Core Java and Spring Boot
  • Build and consume RESTful web services for seamless integration with internal and external systems
  • Participate in the full software development lifecycle — design, coding, testing, and deployment
  • Work with relational databases to develop and optimize queries and stored procedures
  • Support CI/CD pipeline activities using Jenkins, ensuring smooth build and release processes
  • Write unit and integration tests to maintain code quality and reduce regression risk
  • Collaborate with senior developers and architects to deliver robust, scalable solutions
  • Participate in code reviews and follow established development standards and best practices
  • Document technical designs, APIs, and system components clearly and thoroughly
  • Identify and resolve bugs and performance bottlenecks in a timely manner
  • Fulltime
Read More
Arrow Right
New

Senior Java Developer (Smart Order Routing (SOR)) - Equities Electronic Trading

We are seeking a highly skilled and experienced Smart Order Router (SOR) Develop...
Location
Location
United Kingdom , Belfast
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Hands-on experience in software development with a strong focus on high-performance, low-latency systems
  • Expert-level technical knowledge in Core Java, including a deep understanding of JVM internals, concurrency, garbage collection, and memory management in a low-latency context
  • Proven experience designing and developing automated trading systems, specifically with Smart Order Routers in Equities or other similar financial domains
  • Solid understanding of financial market protocols (e.g., FIX) and practical experience handling order and market datasets
  • Experience with microservices architecture and developing distributed systems
  • Demonstrable experience with modern testing frameworks, Agile methodologies, and Continuous Integration/Continuous Delivery (CI/CD) processes
  • Excellent communication skills with a demonstrable ability to present and grasp complex technical and business concepts
Job Responsibility
Job Responsibility
  • Take a leading role in the design, development, and optimization of high-performance, low-latency microservices and applications, with a primary focus on the Smart Order Router
  • Implement and enhance complex routing logic, venue analysis models, and performance optimizations to ensure best execution and system stability
  • Participate in and lead technical design discussions and conduct rigorous code reviews to ensure the highest standards of quality, performance, and architectural integrity
  • Partner with product development, quantitative researchers, and other technology teams to deliver new trading capabilities and enhance existing systems
  • Drive continuous improvement initiatives in testing frameworks, development tools, and deployment processes for our low-latency and high-throughput environment
  • Resolve complex technical challenges through in-depth analysis of business requirements, system processes, and industry best practices
  • Apply expert knowledge of system architecture, data flow, and development standards for coding, testing, debugging, and implementation
  • Build and maintain robust solutions for trading platform monitoring, trade reconciliation, and application recovery
  • 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, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency
What we offer
What we offer
  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources
  • Fulltime
Read More
Arrow Right

Lead Java Developer (VP)

Engineer the future of global finance. At Citi, our Tech team doesn't just suppo...
Location
Location
United Kingdom , London
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong proven relevant commercial experience in the Financial Service industry
  • Solid understanding on financial products like Fixed Income securities and expertise on Security Financing Transactions
  • Experience as senior developer and tech expert in an Applications Development team with good understanding of major programming languages/frameworks like Java / Spring stack for microservice development and a demonstrable understanding of Java internals (JIT, advanced debugging scenarios, JVM memory management etc.)
  • Extensive experience in building applications delivered on cloud-based services
  • Experience in micro services architecture based application development for high volume
  • Consistently demonstrates clear and concise written and verbal communication
  • Demonstrable understanding and experience of engineering best practices: design patterns, coding standard, code review, unit testing via Mockito and Junit
  • Ability to develop strong relationships with others, effectively influencing peers and business partners
  • Self-motivated and organized, with determination to achieve goals
  • ability to work autonomously when required
Job Responsibility
Job Responsibility
  • Lead or guide developers in an Application Development team in an effort to accomplish established goals as well as conduct personnel duties for team (e.g. performance evaluations, hiring and disciplinary actions)
  • Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applications
  • Develop comprehensive knowledge of how areas of business integrate to accomplish business goals
  • Provide evaluative judgment based on analysis of factual data in complicated and unique situations
  • Develop common, reusable components and services utilizing Citi's best practices
  • Create high performance, low latency applications leveraging existing Citi framework
  • Ensure strong reliability, scalability and performance of our components
  • Liaise with technical and business teams to collaborate on identifying opportunities and solutions
  • Drive architecture and execute on our technical strategy
  • Partner with business to continue to evolve our architecture roadmap beyond near term objectives
What we offer
What we offer
  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources
  • Fulltime
Read More
Arrow Right

Java Developer

Teamio is one of our most important products. Its mission is simple, but essenti...
Location
Location
Czechia
Salary
Salary:
90000.00 - 115000.00 CZK / Month
sportvision.cz Logo
Sport Vision Czechia s.r.o.
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • strong knowledge of Java
  • know Spring Boot well
  • understand REST APIs and ideally GraphQL
  • experience with object-oriented design
  • knowledge of SQL and relational databases
  • a strong sense for clean, testable, and maintainable code
  • experience with automated testing
  • have at least basic-to-intermediate experience with frontend development, ideally in React
  • understand AWS cloud services and modern cloud environments
  • are willing to work with AWS CDK and infrastructure-as-code concepts
Job Responsibility
Job Responsibility
  • developing and improving backend services in Java
  • collaborating on frontend features implemented in React and TypeScript
  • designing and evolving the architecture of Teamio’s product components
  • modernizing existing applications and architecture
  • designing cloud infrastructure using Infrastructure as Code principles
  • working with candidate data, job applications, and internal recruitment sources
  • integrating Teamio with our job portals and other internal systems
  • improving performance, stability, scalability, and security
  • writing and maintaining automated tests
  • collaborating with other developers, product owners and teams across Alma Career
What we offer
What we offer
  • Children-friendly office
  • Corporate events
  • Dog-friendly office
  • Flexible start/end of working hours
  • Individual budget for personal growth
  • Notebook
  • Refreshments on workplace
  • Self-organization of the job
  • Work mostly from home
  • 5 weeks of vacation
  • Fulltime
Read More
Arrow Right

Senior Java Developer

The Applications Development Sr Programmer Analyst is a senior developer positio...
Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of hands-on design and development experience, with a strong focus on Spring Boot and Angular
  • Strong proficiency in Java and related front-end technologies
  • Experience in designing and developing medium to large-scale applications using open-source tech stacks, including Spring Boot and Microservices
  • Experience with databases, specifically MongoDB
  • Experience with testing concepts (TDD, BDD) and associated frameworks like JUnit
  • Ability to write and maintain functional and technical specifications
  • Proven ability to drive engineering deliveries and handle multiple concurrent initiatives
  • A curious mindset with the ability to identify and solve problems effectively
  • Excellent communication and collaboration skills
  • A pragmatic and creative approach to managing risk
Job Responsibility
Job Responsibility
  • Act as a senior technical resource, designing and developing scalable software solutions using Spring Boot, Angular, and microservices architecture
  • Support critical project deliverables related to global expansion, new payment method integration, and the launch of new platform features
  • Provide technical guidance to team members in troubleshooting and resolving high-priority, client-impacting production issues
  • Conduct deep-dive analysis of code and data to identify root causes and establish robust Standard Operating Procedures (SOPs) to prevent future incidents
  • Develop and manage well-functioning databases and applications, ensuring high levels of responsiveness and efficiency
  • Write clean, effective APIs and maintain comprehensive technical documentation
  • Collaborate with internal and external technical resources to provide estimates, develop overall implementation plans, and ensure project delivery
  • Test software rigorously to ensure quality, performance, and adherence to requirements
  • Fulltime
Read More
Arrow Right