11+ Query optimization Jobs in Chennai | Query optimization Job openings in Chennai

Responsibilities:

• Design, develop, and maintain web applications using Java and React JS.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Ensure the performance, quality, and responsiveness of applications.

• Identify and correct bottlenecks and fix bugs.

• Maintain code integrity and organization.

• Build reusable components and front-end libraries for future use.

• Translate designs and wireframes into high-quality code.

• Optimize components for maximum performance across a vast array of web-capable devices and browsers.

• Participate in team meetings and discussions to understand user needs and functionalities.

• Perform code reviews and improve and maintain code quality.

• Work closely with product management and back-end developers to integrate user-facing elements with server-side logic.

• Keep up-to-date with the latest industry trends and technologies to ensure applications are current and competitive.

Requirements:

• Strong proficiency in Java.

• Familiarity with RESTful APIs and web services.

• Good project management skills.

• Strong communication and teamwork abilities.

Dear,

We are excited to inform you about an exclusive opportunity at Xebia for a Senior Backend Engineer role.

📌 Job Details:

• Role: Senior Backend Engineer
•  Shift: 1 PM – 10 PM
• Work Mode: Hybrid (3 days a week) across Xebia locations
• Notice Period: Immediate joiners or up to 30 days

🔹 Job Responsibilities:

✅ Design and develop scalable, reliable, and maintainable backend solutions

✅ Work on event-driven microservices architecture

✅ Implement REST APIs and optimize backend performance

✅ Collaborate with cross-functional teams to drive innovation

✅ Mentor junior and mid-level engineers

🔹 Required Skills:

✔ Backend Development: Scala (preferred), Java, Kotlin

✔ Cloud: AWS or GCP

✔ Databases: MySQL, NoSQL (Cassandra)

✔ DevOps & CI/CD: Jenkins, Terraform, Infrastructure as Code

✔ Messaging & Caching: Kafka, RabbitMQ, Elasticsearch

✔ Agile Methodologies: Scrum, Kanban

⚠ Please apply only if you have not applied recently or are not currently in the interview process for any open roles at Xebia.

Looking forward to your response! Also, feel free to refer anyone in your network who might be a good fit.

Best regards,

Vijay S

Assistant Manager - TAG

https://www.linkedin.com/in/vijay-selvarajan/

Key Responsibilities:

1. Design and Development: Lead the design and development of web

applications using Python and Flask, ensuring code quality, scalability, and

performance.

2. Architecture: Collaborate with the architecture team to design and implement

robust, maintainable, and scalable software solutions.

3. API Development: Develop RESTful APIs using Flask to support front-end

applications and external integrations.

4. Database Management: Design and optimize database schemas, write efficient

SQL queries, and work with databases like PostgreSQL, MySQL, or NoSQL

solutions.

5. Testing and Debugging: Write unit tests and perform code reviews to maintain

code quality. Debug and resolve complex issues as they arise.

6. Security: Implement security best practices, including data encryption,

authentication, and authorization mechanisms.

7. Performance Optimization: Identify and address performance bottlenecks in

the application, making improvements for speed and efficiency.

8. Documentation: Maintain clear and comprehensive documentation for code,

APIs, and development processes.

9. Collaboration: Collaborate with cross-functional teams, including front-end

developers, product managers, and QA engineers, to deliver high-quality

software.

10. Mentorship: Provide guidance and mentorship to junior developers, sharing your

knowledge and best practices.

Qualifications:

Bachelor's or Master's degree in Computer Science, Engineering, or a related

field.

Proven experience (4-5 years) as a Python developer, with a strong emphasis on

Flask.

Solid understanding of web development principles, RESTful APIs, and best

practices.

Proficiency in database design and SQL, as well as experience with database

systems like PostgreSQL or MySQL.

Familiarity with front-end technologies (HTML, CSS, JavaScript) and related

frameworks is a plus.

Strong problem-solving skills and the ability to work in a fast-paced, collaborative

environment.

Excellent communication skills and the ability to work effectively in a team.

Knowledge of containerization and deployment tools (e.g., Docker, Kubernetes)

is a plus.

About Us:

At R&D Instrument Services, we are dedicated to providing top-notch calibration services to ensure precision and accuracy in our clients' equipment. We pride ourselves on our commitment to quality and our innovative approach to calibration solutions.

Job Description:

Mandatory Requirement:

* Male candidates only

* You must have a bike and be prepared to travel at least 80kms every day. (Only genuine candidates should apply.)

Responsibilities:

* Perform on-site calibration and adjustment of instruments and equipment according to established procedures and specifications.

* Maintain accurate records of calibration activities, including calibration dates, results, and equipment condition.

* Provide technical support and assistance to customers regarding calibration procedures and equipment operation.

* Ensure compliance with regulatory requirements and industry standards for calibration activities.

* Stay updated with new technologies and developments in calibration techniques and equipment.

Qualifications:

* Diploma, ITI, B.E. in Electronics & Communication, Instrumentation, Mechanical, Electrical, or B.Sc. in Physics.

* Strong technical skills and knowledge of electronic, mechanical, and/or optical systems.

* Familiarity with calibration standards and procedures, such as ISO 17025 (preferable).

* Excellent problem-solving skills and attention to detail.

* Ability to work independently and prioritize tasks in a fast-paced environment.

* Effective communication skills, both verbal and written.

* Willingness to travel to customer sites and work in various environments, with a happy-to-travel attitude.

Why Join Us?

Competitive Salary: We offer a competitive salary package that reflects your skills and experience.

Performance-Based Increments: Enjoy salary increments when your performance meets our requirements—no need to wait a full year for a raise.

Professional Growth: Access to continuous learning and professional development opportunities.

Innovative Work Environment: Be part of a team that values innovation and continuous improvement.

Comprehensive Benefits: Health insurance, and other benefits to support your well-being.

Employee Recognition: We celebrate and reward achievements and milestones.

Convenient Work Hours: Our office hours are Monday to Friday (09:00-06:15) and Saturday (09:00-1:30).

Equal Opportunity Employer:

RnD Instrument Services is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Microservices specialists

Company Profile: Nucleus Software has been providing Products and Services to various Global and Regional Financial  institutions , from past 36 years. As a pioneer IT Service provider, Nucleus carry deep banking domain expertise and experience on latest technological trends. Nucleus’s developed platforms powers the operations of more than 150 institutions in 50 countries, supporting multiple business veritcals, accessible through Mobile and internet channels

Job description:

• Bachelor's or master’s degree in Computer Science, Information Systems, or other related field. Or equivalent work experience.
• Expertise with Java/J2EE experience including frameworks such as Spring REST, Spring Batch.
• Experience with Spring Boot, Microservices, NoSQL, caching and message queue technologies like Kafka.
• Good working knowledge of SQL databases (Oracle, SQL Server,MySql etc.,) and integrations with Spring DAO/REST/JPA.
• Integration experience consuming REST Services and developing REST Clients with third-party REST & SOAP Services with JSON/XML.
• Expertise on API concepts and technologies such as REST, JSON, XML, SOAP, YAML, GraphQL, and Swagger.
• Understanding of securing APIs with JWT/OAuth2/OpenID & Spring Security is a plus.
• Ability to manage Docker containers and exposure to Jenkins & CI/CD is a plus.
• Ability to understand business plans and apply that information into the scalable development models.
• Ability to guide, train, mentor associate engineers & collaborate with developers using agile practices.
• Proven ability to work creatively in a problem-solving environment.

Experince-6-9 yrs

Location: Noida or Chennai

Package: upto 20L

• Conducting market research to identify selling possibilities and evaluating customer needs
• Setting up meetings with potential clients and listening to their wishes and concerns
• Preparing and delivering appropriate presentations on products and services
• Creating frequent reviews and reports with sales and financial data
• Participating on behalf of the company in exhibitions or conferences
• Negotiating/ closing deals and handling complaints or objections
• Collaborating with team members to achieve better results
• Gathering feedback from customers or prospects and sharing it with internal teams

Desired Candidate Profile

• Experience in Edtech sales
• Proven experience as a Sales Manager or relevant role
• Proficiency in English, fluency with communication be it verbal & written
• Excellent knowledge of MS Office
• Hands-on experience with ERP solutions is a plus
• Thorough understanding of marketing and negotiating techniques
• Passion for sales
• A results-driven approach
• Aptitude in delivering attractive presentations

Project

You will be working to build a browser-based IDE and various other inclusive edtech product, if you’re up for the task - apply

Requirements 

Deep understanding of HTML, CSS, and JavaScript.

Solid experience working with the PHP and latest Laravel version

Proven expertise in managing API services (REST and SOAP)

Good working knowledge in design and query optimization of databases

Familiarity with server tools (Apache) and cloud servers (Azure / AWS)

Our Culture

We are passionate about other’s success and believe that all individuals are unique and capable of reaching their full potential. Our goal is to challenge the status quo and make a difference.

Do you want to translate your skills & time into something more meaningful? Join us to empower individuals who have been neglected by society and break barriers through tech. Together, we will build a wider movement for educational equity.