Java Backend Developer

Job Title- Java Developer

Location - Remote

Years of Exp : 2–3

Desired Skills: Java, Spring Boot, Microservices, PostgreSQL, TimescaleDB, Kafka, AWS (ECS, EKS, API Gateway, Secrets Manager)

Your key responsibilities:

• Design and build microservices and backend systems using Java (Spring Boot).
• Work with PostgreSQL/TimescaleDB to design and optimize data storage solutions.
• Develop event-driven systems leveraging Kafka for messaging and real-time processing.
• Collaborate with DevOps teams to deploy, scale, and manage services on AWS (ECS, EKS, API Gateway, Secrets Manager).
• Write unit, integration, and end-to-end tests to ensure reliability and quality.
• Participate in code reviews and contribute to architectural discussions.
• Troubleshoot and resolve issues in development, testing, and production environments.

What you’ll bring

Required:

• 2–3 years of hands-on software development experience with Java.
• Strong expertise in Spring Boot and microservices architecture.
• Working knowledge of PostgreSQL; experience with TimescaleDB preferred.
• Familiarity with Kafka for distributed messaging.
• Experience or exposure to AWS services (ECS, EKS, API Gateway, Secrets Manager).
• Understanding of REST APIs and modern API design.
• Good grasp of Object-Oriented Design and design patterns.
• Experience with Git and CI/CD tools.
• Strong problem-solving, analytical, and communication skills.

Nice to have:

• Exposure to Docker and Kubernetes.
• Knowledge of monitoring and logging tools (Prometheus, Grafana, ELK).
• Experience working in Agile environments.

About Us:

Developed in formal collaboration with the University of Cambridge in May 2000, HeyMath! is an Ed-Tech company whose mission is to Raise the Game in Maths for school systems around the world. We do this using technology to deliver engaging teaching methodologies and personalised learning paths for students. HeyMath! has been successfully adopted by CBSE schools since 2004, with positive outcomes for the entire ecosystem.

Check us out at www.heymath.com

We plan to work mainly from home in 2022 and the virtual office atmosphere is collegiate, informal and friendly, with small high-impact teams making a difference to customers.

What we are looking for:

Experience in building and re-engineering cloud based solutions on AWS.

Strong knowledge of Object Oriented Programming(OOPS) and design patterns is a must. Hands-on development on Spring MVC framework.

Experience working on Java 8 or above.

Must have very good knowledge of RDBMS such as MySQL and performance tuning of the same.

Exposure to server-side and client-side caching mechanisms. Ability to debug the applications and provide instant workable solutions.

Experience working on Elastic Search / Kafka / Kubernetes or all is a nice to have.

Job Responsibilities:

1. Collaborate with other senior engineers, and management, to achieve optimal application architecture and design
2. Develop efficient, secure applications, peer-review code, and document solutions within an agile-blended software environment
3. Communicate proactively with team members, infrastructure, security, and quality assurance to continuously improve processes and engineering excellence
4. Guide and train other developers in backend technology
5. Ability to work independently and as a member of a team spread over different time zones

Skills:

1. Understanding of object oriented programming skills and data structures
2. At least 6 years of hands-on development in Java, Springboot & Hibernate
3. Should have experience in Java Multithreading, microservices
4. Experience with developing web applications
5. Expertise with in Core Java (Collections, Exception handling)
6. Experience with J2ee( Servlets, JSPs)
7. Experience with all well known database technology and object-relational mapping, experience with databases (Mysql, Mssql)
8. Knowledge and development background in web-services/REST, AJAX, JSON, and XML
9. Experience with Windows and Linux based environments
10. Experience with Maven and GIT tools
11. Understanding of UI technologies (HTML, CSS, Javascript libraries) would be a plus
12. Good to have – AWS experience and Fintech domain experience
13. Awareness of Jenkins will be a value add

Primary Responsibilities

• Design, architect and develop advanced software solutions in a cross functional Agile team supporting multiple projects and initiatives
• Collaborate with product owners and/or the business on requirements definition, development of functional specifications, and design
• Collaborate on or lead development of technical design and specifications as required
• Code, test and document new applications as well as changes to existing system functionality and ensure successful completion
• Take on leadership roles as needed

Skills & Requirements

• Bachelor’s Degree required, preferably in Computer Science or related field
• 3+ years of software development experience using GoLang/Java programming language
• Experience with cloud technologies (AWS/Azure/GCP/Pivotal Cloud Foundry/any private cloud) and containerization is required
• Experience with a micro-services architecture is a plus
• Excellent communication, collaboration, reporting, analytical and problem solving skills
• Experience with PostgreSQL or other Relational Databases
• Test-driven development mindset and a focus on quality, scalability and performance
• Strong programming fundamentals and ability to produce high quality code
• Solid understanding of Agile (SCRUM) Development Process required

 Core Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Your primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality are essential.

Responsibilities:
•Translate application storyboards and use cases into functional applications.

• Design, build and maintain efficient, reusable, and reliable Java code.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Identify bottlenecks and bugs and devise solutions to these problems.
• Help maintain code quality, organization, and automatization.

Skills Needed:

• Java, JPA, Servlets, JAX/RS, JUnit
• Fullstack : Node/Angular/React
• Algorithm,Design Patterns, Data Structures
• TomCat, Wildfly
• MySQL, PostgreSQL
• HTML, JavaScript, jQuery,
• Mobile exposure: Cordova/PhoneGap
• Exposure in E-Commerce or Product based domain
• NoSQL exposure

• Experience in open source technologies - Solr, Redis, Kafka
• Exposure to building & managing applications in Amazon Webservices (AWS)
• Experience in security, scalability & performance aspects of solution
• Critical Skills: 1. Java / J2EE, Spring, PostGreSQL 2. Nginx, Tomcat 3. Developing REST webservices