Java Developer at Extramarks · Noida, Delhi, Gurugram (Gurgaon), Ghaziabad, Faridabad · 2 - 5 years · ₹7L - ₹20L / yr · Profitable · Posted 3 Dec 2021

- Experience with one of the major relational databases (MySQL, Oracle, Postgres) and NoSQL databases (Mongo DB, Cassandra, Dynamo DB or such)
- Expert object-oriented programming experience using Java
- Experience with Frontend technologies (React.js, Angular, JavaScript or Ruby-on-Rails)
- Experience in messaging protocol like MQTT and messaging middleware like ActiveMQ, RabbitMQ and/or Kafka
- Require experience and Strong understanding of entire Software Development Life Cycle (SDLC), Agile (Scrum), Software design/architecture process, CI/CD processes, unit testing & Test-Driven Development (TDD)
- Experience with web services (consuming or creating) with REST, MQTT, Web Sockets
- Experience with containerized environment Dockers, Rocket and Container orchestrator such as Kubernetes, Docker Swam, etc
- Experience managing Cloud infrastructure (resources and service) in AWS, Azure and/or GCP
- Strong knowledge of SOA, object-oriented programming, design patterns, multi-threaded application development
- Experience in reporting and analytics, queuing and real-time streaming systems
- Experience developing, maintaining, and innovating large scale, consumer facing web or mobile applications
- Git or similar distributed SCM tools experience
- Experience with open-source technologies (if no practical work experience w/ Big Data, or cutting-edge frontend technology, prototyping and/or researching the up and coming technology and solutions)

About Extramarks
About
Extramarks Education India Private Limited
Extramarks is leading the Education Technology sector in India by providing 360⁰ education support to learners through new age digital education solutions. These solutions are used by schools in class room for imparting education and by students at home to make learning easy and effective. Keeping pace with globalization and technology in education, Extramarks empowers young learners to step in with the latest technology and have anytime-anywhere access to quality learning. In a very short period, Extramarks has become extremely popular among schools and students. More than 8000 schools use digital learning and technology solutions of Extramarks across India, Singapore, Kuwait, UAE and South Africa.
Extramarks Learning App allows students to learn at home at their own pace and space and provides complete educational support eliminating the need of a tutor. The three pronged pedagogical approach of Learn, Practice and Test ensures better learning outcomes for students. All concepts are first explained in an easy to learn manner with the help of rich media then the students are allowed to practice the concept. Virtual Practicing modules and Q&A allow the retention of knowledge that is tested on a robust teaching platform to identify the learning gaps.
Extramarks is currently in the process of scaling up rapidly the entire technology workforce, by hiring experienced professionals with unique skill who stretches from strategy to execution. Extramarks is driving student learning through data driven techniques by providing personalized learning recommendations to the students. Apart from such customer facing innovations, we are also implementing internal operational excellence solutions through similar data driven approaches. It is a once in a lifetime opportunity to join Extramarks and help change the face of education in India.
Connect with the team
Company social profiles
Similar jobs (10)

Required Experience: 10–15 years (with at least 3–5 years in leadership roles)
● 10–15 years of overall experience in backend engineering, with strong exposure to
Python and/or Golang.
● 3–5 years of experience managing engineering teams.
● Proven experience delivering large-scale, distributed systems in production
environments.
● Strong understanding of microservices, cloud-native architecture, and DevOps
practices.
● Hands-on background in backend engineering (able to guide teams technically, even
if not coding daily).
● Familiarity with CI/CD pipelines, observability, and performance optimization.
● Experience in financial services or high-transaction domains is a plus.
● Experience leading teams that have utilized AI-driven development practices (e.g.,
agentic coding, LLM integration) to improve productivity and innovation is a
significant advantage.
Skills
● Excellent leadership and people management abilities.
● Strong communication and stakeholder management skills.
● Ability to balance technical depth with business priorities.
● Problem-solving mindset with a focus on delivery and impact.
● Passion for building engineering culture and improving developer experience.
Job Description
- 8+ years of experience to Lead, coach and mentor team of 5-8 full stack and backend engineers
- Write high quality code
- Champion coding standards and re-usable components
- Influence the technical direction of the engineering team
- Partner with Product Managers in designing and defining new features
- Serve as a key member of a Scrum team
- Participate and potentially lead Communities-of-Practice programs.
Requirements
- 8+ years of large-scale distributed ecommerce systems experience
- Expert understanding of Java, database, and messaging technologies
- Enthusiasm for constant improvement as a Software Engineer
- Ability to communicate clearly effectively and motivate team members
- Reactive Java a plus
- Passionate about Ecommerce and retail a plus
Technical Skill Set
- Java (Core & Advanced)
- Spring Boot, RESTful Services, Reactive Java (preferred)
- Vue.js, Web Components (Lit Framework)
- Oracle, Cassandra
- Apache Kafka
- System Design, Microservices Architecture, Scalable & Event-Driven Systems
Job description:
Roles & Responsibilities
At Dolat, code is our business, so naturally, the Core Engineering and Systems team is at the centre of what we do. Our community of developers has designed and continues to enhance one of the fastest trading platforms using the latest tools and technologies. As a Software Developer, you’ll draw upon your computer science, mathematical, and analytical abilities to develop complex and nimble code used to grow our business and increase the efficiency of the global financial markets. Your responsibilities may include any of the following, which will require you to exercise discretion and independent judgment:
Augmenting, improving, redesigning, and/or re-implementing Dolat's low-latency/high throughput production trading environment, which collects data from and disseminates orders to exchanges around the world
Optimizing this platform by using network and systems programming, as well as other advanced techniques
Developing systems that provide easy access to historical market data and trading simulations
Building risk-management and performance-tracking tools
Shaping the future of Dolat through regular interviewing and infrequent campus recruiting trips
Implementing domain-optimized data structures
Learn and internalize the theories behind current trading system
Participate in the design, architecture and implementation of automated trading systems while taking ownership of system from design through implementation
Skills & Experience
A strong background in data structures, algorithms, and object-oriented programming in C++
Exchange Connectivity experience a plus
Familiarity with Linux environments; Windows a plus
High level knowledge & competencies in one or more of the following areas: TCP stack optimization Multi-core 1 machine parallelism Low level performance / cache optimization / profiling
Additional requirements include:
Experience in distributed and/or highly concurrent systems is a plus
Experience in low-latency systems and/or high transaction environments is a plus
A passion for new technologies and ideas
The ability to manage multiple tasks in a fast-paced environment
Experience in network topologies and protocols like TCP and UDP
Responsibilities:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review • Designing, implementing, and maintaining Java applications that are often high-volume and low-latency.
• Identify bottlenecks and bugs, and devise solutions to these problems
Skills: • Expert hands on knowledge of latest technology, good exposure to web technologies and open to all technologies like Java, J2EE, Spring boot , Microservices, Cloud computing, any DB • Very good exposure to DevOps concepts and tools, Continuous Integration and Continuous Delivery • Quick learner, believes in continuous learning and acts as a catalyst for building the culture within the organization • Analytical thinking skills, problems solving with strong exposure to root causing tools and techniques and ability to come up with solutions in complex situations.
• Solid understanding of object-oriented programming
• Familiar with various design and architectural patterns
• Skill for writing reusable Java libraries
• Experience with both external and embedded databases
• Understanding fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools, such as Git
• Familiarity with build tools such as Ant, Maven, and Gradle • Deep insight of Java and JEE internals such as memory management, transaction management, etc. • Implementation of API. • Problem solving skills, analytical mind, and a positive attitude. • Experience with test-driven development. • Experience in the Spring, Spring Boot, and Hibernate • Knowledge of developing REST API. • Results oriented and focused on meeting deliverable timelines. • Good communication skills • Problem-solving attitude • Ability to establish priorities • Teamwork and willingness to listen to others • Eagerness to learn new ideas, concepts, and technologies. • Understand Java EE Architecture
• Clear understanding of web services and SOA related standards like REST/OAuth/JSON • Good knowledge of MicroServices. • Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience. • Working experience in Industry Standard protocols related API Security • Strong background working with Linux/UNIX environments. • should have hands-on experience in developing software with agile or scrum methodologies and are ready to lead our junior developer's team.
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 5-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle, or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
· While you may already know about Wissen and the company history, here is a quick rundown for you.
Senior Software Engineer - 221254.
We (the Software Engineer team) are looking for a motivated, experienced person with a data driven approach to join our Distribution Team in Budapest or Szeged to help design, execute and improve our test sets and infrastructure for producing high-quality Hadoop software.
A Day in the life
You will be part of a team that makes sure our releases are predictable and deliver high value to the customer. This team is responsible for automating and maintaining our test harness, and making test results reliable and repeatable.
You will…
•work on making our distributed software stack more resilient to high-scale endurance runs and customer simulations
•provide valuable fixes to our product development teams to the issues you’ve found during exhaustive test runs
•work with product and field teams to make sure our customer simulations match the expectations and can provide valuable feedback to our customers
•work with amazing people - We are a fun & smart team, including many of the top luminaries in Hadoop and related open source communities. We frequently interact with the research community, collaborate with engineers at other top companies & host cutting edge researchers for tech talks.
•do innovative work - Cloudera pushes the frontier of big data & distributed computing, as our track record shows. We work on high-profile open source projects, interacting daily with engineers at other exciting companies, speaking at meet-ups, etc.
•be a part of a great culture - Transparent and open meritocracy. Everybody is always thinking of better ways to do things, and coming up with ideas that make a difference. We build our culture to be the best workplace in our careers.
You have...
•strong knowledge in at least 1 of the following languages: Java / Python / Scala / C++ / C#
•hands-on experience with at least 1 of the following configuration management tools: Ansible, Chef, Puppet, Salt
•confidence with Linux environments
•ability to identify critical weak spots in distributed software systems
•experience in developing automated test cases and test plans
•ability to deal with distributed systems
•solid interpersonal skills conducive to a distributed environment
•ability to work independently on multiple tasks
•self-driven & motivated, with a strong work ethic and a passion for problem solving
•innovate and automate and break the code
The right person in this role has an opportunity to make a huge impact at Cloudera and add value to our future decisions. If this position has piqued your interest and you have what we described - we invite you to apply! An adventure in data awaits.
Strong computer science fundamentals in algorithms, data
structures, storage technologies, distributed computing,
operating systems, etc.
Experience in designing and implementing scalable solutions
in a large scale distributed environment.
Robust and defensive coding skills using Java/Golang or any
other Object Oriented Programming Language.
Strong knowledge of RDBMS and any other NoSQL database
technologies (Cassandra, HBase, MongoDB, Dynamo etc.) .
Experience with building self healing, automatic fault
detection and recovery mechanisms is good to have.
Desired Skills and Experience
Java or golang
Primary Skills: Java Backend Development, UNIX, Oracle, SQL, MQFTP
Secondary Skills: Autosys, Service Now
Experience: 6- 8 years
Responsibilities:
- Drive the Migration Project and support Business Applications teams through the project lifecycle.
- Interpret written business requirements, functional requirements and technical specification documents to design and develop technical solutions that meet business needs
- Contribute to Application development, migration of components, testing and Production Support.
- Collaborate with IT and Business partners to develop, and troubleshoot end to end technical solutions
- Create and maintain technical evaluation documentation using defined technical documentation templates that meet standards
Required Skills:
- Well versed with Java Backend Development.
- Proficient in Oracle, SQL.
- Experience in Shell scripting in UNIX, Autosys scheduler
- Good understanding of Database Management Systems (DBMS)
- Knowledge of different file movement patterns and tools - File Transfers, Messaging, MQFTP, Sterling Integrator, Mobius
- Knowledge of different file formats plus file format conversion to & from JSON, csv etc.
- Good understanding of Object-Oriented Programming
- Good understanding of SDLC lifecycle & processes.
- Exposure to ITIL foundational concepts, Service Now and Production Management Activities.
- Financial Services experience will be a plus
- Experience in using Dev tools ( Eclipse ), code quality tools, defect tracking tools
Desired Skills:
- Strong interpersonal, oral, presentation, and written communication skills
- Excellent team player with good organizational, communicational, analytical and logical skills.
owners, business analysts and team members to analyse business requirements and proposed
solutions. A highly motivated and enthusiastic to join our Core Technology team and make a
difference.
Must-Have Skills:
• Candidate should have basic experience in Core Java and Advance Java design patterns
• Candidate should have basic experience in Advance Java frameworks – Spring, Hibernate,
JSP, Servlet.
• Good understanding of MAVEN & SVN is a must.
• Front end technologies knowledge is required to communicate with the web development
team. JavaScript, JQuery, AJAX, JSON.
• Collaborating with other teams. Excellent problem solving, debugging, design and debugging
skills required.
Good to Have Skills:
• Have good interpersonal and communication skills.
• E-commerce domain knowledge will be an add-on.
• Knowledge in API Design and docker.
• Knowledge of Agile methodologies
• Knowledge of Unit testing
Primary Responsibilities:
• Work closely with Tech Leads, Architects, Project Manager / Onsite Leads.
• Understand/apply reusable code design, leverage application architecture/framework
capabilities and functionality, and design/develop solutions that are highly reliable, scalable,
and perform to meet business-defined service levels.
• Contribute to the technical code and design documentation.
• Conduct code reviews and ensuring quality solutions are built and tested.
• Provide production support and issue triage for products.
Immediate Interviewing for Developer for Rajahmundry Location.
Job Description:
1+ Years Experience on software development on any software language.
Experience with software design and development in a test-driven environment
Knowledge of coding languages (e.g. C++, Java, JavaScript) and frameworks/systems (e.g. AngularJS, Git)
Ability to learn new languages and technologies
Problem-solving aptitude
Excellent communication and presentation skills








