11+ Performance tuning Jobs in Kolkata | Performance tuning Job openings in Kolkata

About the Role We are looking for a highly skilled and self-driven Senior Data Engineer to take full ownership of our database architecture and operations. This is a WFO role that blends high-level database development, database administration (DBA), and customer consultation.

You won't just be writing code in the background; you will be the primary voice for data best practices, helping our customers understand why we build things the way we do.

What You Will Do

• Database Development: Design, develop, and optimize complex T-SQL queries, stored procedures, views, and triggers.
• Database Management: Oversee database health, performance tuning, security, and backup strategies to ensure maximum uptime.
• Project Support: Act as the database subject matter expert (SME) for cross-functional project teams, ensuring data integrity and scalability in every release.
• Customer Consultation: Work directly with customers to understand their data needs. You will educate them on the "right way" to approach database solutions, guiding them away from quick fixes and toward long-term stability.
• Problem Solving: Proactively identify bottlenecks and resolve database issues before they impact the business.

Who You Are

• An Individual Thinker: You don't wait to be told what to do. You see a problem, you analyze it, and you fix it. You take full responsibility for your domain.
• A Great Communicator: You can explain complex database concepts to non-technical stakeholders with clarity, patience, and high energy.
• Customer-Obsessed: You bring a positive attitude to every interaction. You aren’t just delivering a file; you are delivering a solution that helps the customer succeed.
• Results-Oriented: You take pride in delivering top-notch work consistently. You care about the quality of your code and the stability of the systems you manage.

Requirements

• 3+ years of experience with Microsoft SQL Server (Development & Administration) or Postgres Or MySQL.
• Deep expertise in T-SQL and Schema design.
• Experience with performance tuning and query optimization.
• Strong understanding of database security and maintenance.
• Excellent verbal and written communication skills (English).

International Travel Sales Executive

Department: Sales

Location: Kolkata

Job Type: Full-Time | Immediate Joiner

Experience: Minimum 1 Year in International Sales

About the Role:

Join Webvio Technologies Pvt. Ltd. as an International Travel Sales Executive and elevate your career in a dynamic, performance-driven team that connects travelers worldwide. We seek smart, persuasive, and passionate individuals who can deliver outstanding sales performance while providing an exceptional customer experience.

Key Responsibilities:

- Handle inbound/outbound international travel inquiries and convert them into bookings.

- Sell flight tickets, hotel stays, visa assistance, and customized travel packages.

- Communicate confidently with global clients through calls and emails.

- Handle objections, upsell services, and achieve monthly sales targets.

- Maintain accurate records of customer data, payments, and itineraries.

- Stay updated with global travel trends, airline promotions, and visa regulations.

Required Skills & Qualifications:

- Minimum 1 year of experience in International Travel Sales (B2C preferred).

- Excellent English communication and negotiation skills.

- Strong customer handling and closing abilities.

- Passion for travel and a results-oriented mindset.

- Willingness to work in night shifts (US/UK process) if required.

What We Offer:

- Attractive salary package + lucrative incentives

- Growth opportunities in international sales & travel domain

- Supportive and energetic work environment

- On-job training and continuous performance feedback

Salary: As per industry standards + Incentives

Joining: Immediate or as per availability

Experienced- 3 Months experienced in any international outbound sales process.

Salary - 18k - 22k +Incentives

Timings - 10pm- 8am (Night shift) [ON-SITE]

Job descriptions

Handle about 15 - 30 inbound calls in a day, to assist US based clients in our travel process.

Responsibility

• Handle day to day inbound calls from US based clients.
• Assist clients in their train or flight ticket booking process.
• Advise and help client to choose cheapest mode of commutation.
• Resolve all queries of client related to travel journey.
• Provide each details of clients booking at their mail.

Perks

• Lucrative incentives upto 50k - 80k
• 24 paid leaves in a year
• 6days week offs in a months
• Leave on birthday (double payment if choose to work on birthday)
• Encashment of pending leaves at end of the year
• 15 comp offs

Eligibility

• Minimum 12th pass
• Great proficiency over English communication (Mandatory)
• Minimum 3 months of experience in any international sales outbound process

WordPress Developer Responsibilities:

• Designing and building the website front-end.
• Designing and managing the website back-end including database and server integration.
• Generating Word Press themes and plugins.
• Conducting website performance tests.

 Required key skills:- 

• Must have knowledge on custom word press, also page builder and elementor.
• Strong understanding of PHP back-end development.
• Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery.
  
  
  

  5 Days working. SATURDAY & SUNDAY Fixed OFF

About Company: Spica Systems (https://spicasys.com )

Spica Systems is a Silicon Valley based start-up, established in 2019 and are recognized as experts in building products and providing R& DandSoftware Development services in wide range of leading-edge technologies such as LTE, 5G, Cloud Services (Public -AWS, AZURE, GCP, Private -Openstack) and Kubernetes. Ithasa highly scalable and secured 5G Packet Core Network, orchestrated by ML powered Kubernetes platform, which can be deployed in various multi cloud modealong with a test tool. Headquartered in San Jose, California, we have our R& D centre in Sector V, Salt Lake Kolkata.

• Looking for a Software developer who will work on the product's Web UI side
• Hands on and working experience with React JS
• Experience in WebUI using Javascript technology.
• Experience: 2-4 years of React development in a team environment
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Redux.
• Experience with user interface design. Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.

Education: Bachelors/Masters in Computer Science, IT or Mathematics or Engineering

Traits: Quick learner, open minded, willing to learn

Responsibilities:

• Working with the product team and designers to collaboratively build the products that pushes Rely to reach our next stage of growth.
• Tackle the challenges that occur from having your code running on different merchant websites.
• Ensure the technical feasibility of UI/UX designs.
• Optimise applications for maximum speed and scalability.
• Collaborate with other team members and stakeholders.
• Move fast.

Requirements:

• 3+ years of hands-on product experience in professional software development with front end web development and experience in building user interfaces
• At least one year experience with Angular.
• Experience writing good JavaScript code from scratch.
• Familiarity with web development cycles (e. g. package management, module bundling, unit, and integration testing, browser capabilities, etc. ).
• An eye for detail and empathy for the customer.
• Experience building for mobile platforms.
• Ability to write clean, semantic HTML and CSS, agonising along the way for pixel perfection.

• Experience working at a fast-growth startup.
• Experience upgrading angular.

Role: Technical Lead

Location: Mumbai/Kolkata

Years of Experience - 9 to 15 years

Qualifications:

• Required person as .net core, team Management,Good communication,Plus Rest API,AWS Lambda,mySql
• AWS API Gateway .
• Bachelor’s degree preferably in Computer Science, Computer Engineering or related field.
• 9 to 12 yrs years’ experience in technology related roles including relevant work as technical architect.
• Experience working with latest software technologies (.Net core 3.1+, MVC/WCF/Web API, cloud hosted (AWS) , mobile ready software products (Angular 6+/React.js)
• Experience in AWS cloud.
• Experience working with GIT/TFS, CI/CD setups, Application Monitoring, Logging and Analysis tools
• Experience working with Service Oriented Architecture
• Experience working in an Agile-SCRUM environment using tools like Jira or equivalent
• Experience working with international customers (US and UK preferable)
• Experience in customer interaction and ability to present solutions and consult clients on technology solutions.
• Ability to effectively communicate with various levels of employees ranging from entry level to senior leadership.
• Proven strong relationship-building and communication skills with team members and business users. Ability to coach and mentor internal teams and customers.
• Highly motivated with excellent verbal and written communication, presentation, facilitation, negotiation and problem solving skills.
• Self-starter with strong organizational and time management skills, self-directed and able to handle multiple priorities with demanding timeframes.
• Willingness and ability to work flexible hours and with minimal supervision.  
• Willingness and ability to travel domestic and occasional international across US and Europe.
• Proficient using standard software, such as MS Office applications, Google Apps, and communication and diagramming/presentation tools.