Concepts of RDBMS, Normalization techniques
Entity Relationship diagram/ ER-Model
Transaction, commit, rollback, ACID properties
Transaction log
Difference in behavior of the column if it is nullable
SQL Statements
Join Operations
DDL, DML, Data Modelling
Optimal Query writing - with Aggregate fn, Group By, having clause, Order by etc. Should be
hands on for scenario-based query Writing
Query optimizing technique, Indexing in depth
Understanding query plan
Batching
Locking schemes
Isolation levels
Concept of stored procedure, Cursor, trigger, View
Beginner level - PL/SQL - Procedure Function writing skill.
Spring JPA and Spring Data basics
Hibernate mappings
UNIX
Basic Concepts on Unix
Commonly used Unix Commands with their options
Combining Unix commands using Pipe Filter etc.
Vi Editor & its different modes
Basic level Scripting and basic knowledge on how to execute jar files from host
Files and directory permissions
Application based scenarios.

Similar jobs
JOB DETAILS:
* Job Title: Lead I - Software Engineering-Kotlin, Java, Spring Boot, Aws
* Industry: Global digital transformation solutions provide
* Salary: Best in Industry
* Experience: 5 -7 years
* Location: Trivandrum, Thiruvananthapuram
Role Proficiency:
Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities
Skill Examples:
- Explain and communicate the design / development to the customer
- Perform and evaluate test results against product specifications
- Break down complex problems into logical components
- Develop user interfaces business software components
- Use data models
- Estimate time and effort required for developing / debugging features / components
- Perform and evaluate test in the customer or target environment
- Make quick decisions on technical/project related challenges
- Manage a Team mentor and handle people related issues in team
- Maintain high motivation levels and positive dynamics in the team.
- Interface with other teams’ designers and other parallel practices
- Set goals for self and team. Provide feedback to team members
- Create and articulate impactful technical presentations
- Follow high level of business etiquette in emails and other business communication
- Drive conference calls with customers addressing customer questions
- Proactively ask for and offer help
- Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
- Build confidence with customers by meeting the deliverables on time with quality.
- Estimate time and effort resources required for developing / debugging features / components
- Make on appropriate utilization of Software / Hardware’s.
- Strong analytical and problem-solving abilities
Knowledge Examples:
- Appropriate software programs / modules
- Functional and technical designing
- Programming languages – proficient in multiple skill clusters
- DBMS
- Operating Systems and software platforms
- Software Development Life Cycle
- Agile – Scrum or Kanban Methods
- Integrated development environment (IDE)
- Rapid application development (RAD)
- Modelling technology and languages
- Interface definition languages (IDL)
- Knowledge of customer domain and deep understanding of sub domain where problem is solved
Additional Comments:
We are seeking an experienced Senior Backend Engineer with strong expertise in Kotlin and Java to join our dynamic engineering team.
The ideal candidate will have a deep understanding of backend frameworks, cloud technologies, and scalable microservices architectures, with a passion for clean code, resilience, and system observability.
You will play a critical role in designing, developing, and maintaining core backend services that power our high-availability e-commerce and promotion platforms.
Key Responsibilities
Design, develop, and maintain backend services using Kotlin (JVM, Coroutines, Serialization) and Java.
Build robust microservices with Spring Boot and related Spring ecosystem components (Spring Cloud, Spring Security, Spring Kafka, Spring Data).
Implement efficient serialization/deserialization using Jackson and Kotlin Serialization. Develop, maintain, and execute automated tests using JUnit 5, Mockk, and ArchUnit to ensure code quality.
Work with Kafka Streams (Avro), Oracle SQL (JDBC, JPA), DynamoDB, and Redis for data storage and caching needs. Deploy and manage services in AWS environment leveraging DynamoDB, Lambdas, and IAM.
Implement CI/CD pipelines with GitLab CI to automate build, test, and deployment processes.
Containerize applications using Docker and integrate monitoring using Datadog for tracing, metrics, and dashboards.
Define and maintain infrastructure as code using Terraform for services including GitLab, Datadog, Kafka, and Optimizely.
Develop and maintain RESTful APIs with OpenAPI (Swagger) and JSON API standards.
Apply resilience patterns using Resilience4j to build fault-tolerant systems.
Adhere to architectural and design principles such as Domain-Driven Design (DDD), Object-Oriented Programming (OOP), and Contract Testing (Pact).
Collaborate with cross-functional teams in an Agile Scrum environment to deliver high-quality features.
Utilize feature flagging tools like Optimizely to enable controlled rollouts.
Mandatory Skills & Technologies Languages:
Kotlin (JVM, Coroutines, Serialization),
Java Frameworks: Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data)
Serialization: Jackson, Kotlin Serialization
Testing: JUnit 5, Mockk, ArchUnit
Data: Kafka (Avro) Streams Oracle SQL (JDBC, JPA) DynamoDB (NoSQL) Redis (Caching)
Cloud: AWS (DynamoDB, Lambda, IAM)
CI/CD: GitLab CI Containers: Docker
Monitoring & Observability: Datadog (Tracing, Metrics, Dashboards, Monitors)
Infrastructure as Code: Terraform (GitLab, Datadog, Kafka, Optimizely)
API: OpenAPI (Swagger), REST API, JSON API
Resilience: Resilience4j
Architecture & Practices: Domain-Driven Design (DDD) Object-Oriented Programming (OOP) Contract Testing (Pact) Feature Flags (Optimizely)
Platforms: E-Commerce Platform (CommerceTools), Promotion Engine (Talon.One)
Methodologies: Scrum, Agile
Skills: Kotlin, Java, Spring Boot, Aws
Must-Haves
Kotlin (JVM, Coroutines, Serialization), Java, Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data), AWS (DynamoDB, Lambda, IAM), Microservices Architecture
******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: Trivandrum
Virtual Weekend Interview on 7th Feb 2026 - Saturday
Responsibilities of the role include:
1. Create, maintain, and execute test plans and test cases against hardware and software.
2. Design, build, and maintain robust automated test frameworks and test scripts using Java,
C# and Selenium/WebDriver.
3. Develop and execute automated test cases for web, API.
4. Ability to understand source code for code-review.
5. Ability to debug application/script issues by reviewing logs/errors.
6. Estimate test efforts, analyze and communicate test results.
7. Understand and effective role playing in release and sprint planning.
8. Defect tracking, participate in day-to-day QA activities.
9. Enhance and extend the automation library and framework.
10. Understand clients’ business requirements and objectives and design test plan.
11. Write specialized testing tools for use in testing our software platform.
12. Expert Exploratory tester.
13. Constructive thinker and highly collaborative with customer and within team.
14. Understand Agile test approach against (Cost of change and time factors).
Skills Required:
1. Self-organization
2. Good knowledge of OOPS
3. Strong knowledge of Selenium, NUnit, MSTest, or xUnit frameworks.
4. Experience with REST API testing and tools like Postman or RestSharp.
5. Proficiency in designing test frameworks from scratch and maintaining existing frameworks.
6. Familiarity with CI/CD tools like Jenkins, Azure DevOps, or GitHub Actions.
7. 1-3 years of experience in Qualification profile.
8. Mobile automation testing experience plus.
9. Min 1 year experience in automation testing (Selenium).
10. Debug application/script issues.
11. Curiosity, drive, passion, willing to learn and develop, energy, good team member, good
communication
Qualifications:
Position: Business Development Manager
Shift Timing: 10 AM to 7 PM - Monday to Saturday (Remote)
Company: JNJ Technologies & Services LLP - http://jnjservices.co.in/
Location: Vijayawada, Andra Pradesh
Language: English
Salary: 5 LPA to 7.20 LPA
We are looking for a motivated and ambitious Business Development Manager to
expand our clientele. You will be responsible for applying different sales strategies and
work with dedication to increase sales. Your ultimate goal will be to drive sustainable
financial growth by boosting sales and maintaining strong client relationships.
Requirements:
• Bachelor’s degree in business, marketing or related field.
• 4 - 8 Years of Experience in sales, marketing or related field.
• Strong communication skills and IT fluency.
• Ability to manage complex projects and multi-task.
• Excellent organizational skills.
• Ability to flourish with minimal guidance, be proactive, and handle uncertainty.
• Proficient in Word, Excel, Outlook, and PowerPoint.
• Comfortable using a computer for various tasks.
Responsibilities:
• Develop a growth strategy focused both on financial gain and customer
satisfaction
• The responsibilities of a Sales Manager Own recruiting, objectives setting,
coaching and performance monitoring of sales representatives.
• Prepare sales contracts ensuring adherence to law-established rules and
guidelines
• Keep records of sales, revenue, invoices etc.
• Provide trustworthy feedback and after-sales support
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.
Areas of responsibilities:
Involvement in the full software development life cycle within broadly defined parameters and providing
software solutions keeping into consideration the software quality needs
Design and defining the interaction between the different component pieces
Write efficient code based on brief given by team lead.
Fast prototyping of proof-of concept features / application based on brief.
Develop and maintain new features on Java stack
Own the delivery of an entire piece of a system or application
Management and execution against project plans and delivery commitments
Work closely with the peers and Leads to develop the best technical design and approach for new product
development
Build software solutions for complex problems.
Compliance with build/release and configuration management process
Responsibility to develop unit test cases for his/her project module.
Execution of appropriate quality plans ,project plans ,test strategies and processes for development
activities in concern with business and project management effort
Desired Profile:
GoodunderstandingofObjectOrientedProgrammingConcepts,hands-onknowledgeonJavastack
(Spring/Hibernate)
Development across multiple browsers/platforms on Website
Good Understanding of SQL/NoSQL data stores
Fair Understanding of Responsive High Level Designs
Work experience in product/start-up company is a plus
Familiarity to MVC, SOA, RESTFull web services
Work with other teams and manage time across multiple projects and tasks in a deadline driven, team
environment
Good to have knowledge of Javascript (AngularJS/ReactJS)/HTML/CSS/JQuery front-end code across a
broad array of Interactive web
Understand agile methodology and instill best practices into the process.
What is the role?
You will be responsible for building and maintaining highly scalable data infrastructure for our cloud-hosted SAAS product. You will work closely with the Product Managers and Technical team to define and implement data pipelines for customer-facing and internal reports.
Key Responsibilities
- Design and develop resilient data pipelines.
- Write efficient queries to fetch data from the report database.
- Work closely with application backend engineers on data requirements for their stories.
- Designing and developing report APIs for the front end to consume.
- Focus on building highly available, fault-tolerant report systems.
- Constantly improve the architecture of the application by clearing the technical backlog.
- Adopt a culture of learning and development to constantly keep pace with and adopt new technolgies.
What are we looking for?
An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.
- Education - BE/MCA or equivalent
- Overall 8+ years of experience
- Expert level understanding of database concepts and BI.
- Well verse in databases such as MySQL, MongoDB and hands on experience in creating data models.
- Must have designed and implemented low latency data warehouse systems.
- Must have strong understanding of Kafka and related systems.
- Experience in clickhouse database preferred.
- Must have good knowledge of APIs and should be able to build interfaces for frontend engineers.
- Should be innovative and communicative in approach
- Will be responsible for functional/technical track of a project
Whom will you work with?
You will work with a top-notch tech team, working closely with the CTO and product team.
What can you look for?
A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.
We are
Xoxoday is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Xoxoday offers a suite of three products - Plum, Empuls, and Compass. Xoxoday works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, Xoxoday is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.
Way forward
We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.
Urgently hiring -FULL TIME ROLE
Candidates with an overall work experience of 1-2 yrs can only apply!! Freshers DO NOT APPLY
Job Summary
The client organization is looking for a dynamic and self driven professional for the role of MERN Stack Developer.
Knowledge Criterias
1. Angular or React: On any one of these Frameworks at least candidate should have a solid experience of at least a year or two
2. nodeJS and relational databases (SQL): Hands-on experience and strong technical skills
Key Skills:
-- Angular, --React, HTML 5, CSS3, Javascript
Unity Developer at Ahmedabad
Job Description
We are seeking a developer responsible for building games for various target platforms based on the Unity framework. Your primary responsibilities will be to implement game functionality translating design ideas, concepts, and requirements into a functional and engaging game. A commitment to collaborative problem solving, sophisticated design, and a quality product are essential.
Experience : 01-03 Years
No. Of vacancy : 03
Responsibilities
- Implement game functionality as per communicated design
- Translate design specification into functional game
- Communicate with other team members to establish effective pipeline and integrate media assets
- Design, build, and maintain efficient, reusable, and reliable code
- Ensure the best possible performance, quality, and responsiveness of applications
- Identify bottlenecks and bugs, and devise solutions to address and mitigate these problems
- Help maintain code quality, organization, and automatization
Skills
- Excellent knowledge of Unity, including experience with scripting, textures, animation, GUI styles, and user session management
- Familiarity with level design and planning
- Experience with game physics and particle systems
- Experience with mobile and console game development
- Experience optimizing memory and space usage for support of older hardware
- Experience with 3D is a plus
- Prior experience with a well-known mobile title or AAA titles are a significant asset
- Ability to constantly learn and stay in touch with evolving game standards and development technologies
- Strong understanding of object-oriented programming
- Familiarity with current design and architectural patterns
- Knack for writing clean, readable, and easily maintainable code
- Experience implementing automated testing platforms and unit tests









