PostgreSQL Developer

Experience: 5 TO 8

Location: MUMBAI

Wissen Technology is now hiring for a Java Developer - MUMBAI with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 5 TO 8 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Title: Senior/Lead Performance Test Engineer (JMeter Specialist)

Experience: 5-10 Years

Location: Remote / Pune, India

Job Summary:

We are looking for a highly skilled and experienced Senior/Lead Performance Test Engineer with a strong background in Apache JMeter to lead and execute performance testing initiatives for our web and mobile applications. The ideal candidate will be a hands-on expert in designing, scripting, executing, and analyzing complex performance tests, identifying bottlenecks, and collaborating with cross-functional teams to optimize system performance. This role is critical in ensuring our applications deliver exceptional user experiences under various load conditions.

Key Responsibilities:

Performance Test Strategy & Planning:

Define, develop, and implement comprehensive performance test strategies and plans aligned with project requirements and business objectives for web and mobile applications.

Collaborate with product owners, developers, architects, and operations teams to understand non-functional requirements (NFRs) and service level agreements (SLAs).

Determine appropriate performance test types (Load, Stress, Endurance, Spike, Scalability) and define relevant performance metrics and acceptance criteria.

Scripting & Test Development (JMeter Focus):

Design, develop, and maintain robust and scalable performance test scripts using Apache JMeter for various protocols (HTTP/S, REST, SOAP, JDBC, etc.).

Implement advanced JMeter features including correlation, parameterization, assertions, custom listeners, and logic controllers to simulate realistic user behavior.

Develop modular and reusable test assets.

Integrate performance test scripts into CI/CD pipelines (e.g., Jenkins, GitLab CI, Azure DevOps) for continuous performance monitoring.

Test Execution & Monitoring:

Set up and configure performance test environments, ensuring they accurately mimic production infrastructure (including cloud environments like AWS, Azure, GCP).

Execute performance tests in various environments, managing large-scale load generation using JMeter (standalone or distributed mode).

Monitor system resources (CPU, Memory, Disk I/O, Network) and application performance metrics using various tools (e.g., Grafana, Prometheus, ELK stack, AppDynamics, Dynatrace, New Relic) during test execution.

Analysis & Reporting:

Analyze complex performance test results, identify performance bottlenecks, and pinpoint root causes across application, database, and infrastructure layers.

Interpret monitoring data, logs, and profiling reports to provide actionable insights and recommendations for performance improvements.

Prepare clear, concise, and comprehensive performance test reports, presenting findings, risks, and optimization recommendations to technical and non-technical stakeholders.

Collaboration & Mentorship:

Work closely with development and DevOps teams to troubleshoot, optimize, and resolve performance issues.

Act as a subject matter expert in performance testing, providing technical guidance and mentoring to junior team members.

Contribute to the continuous improvement of performance testing processes, tools, and best practices.

Required Skills & Qualifications:

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

5-10 years of hands-on experience in performance testing, with a strong focus on web and mobile applications.

Expert-level proficiency with Apache JMeter for scripting, execution, and analysis.

Strong understanding of performance testing methodologies, concepts (e.g., throughput, response time, latency, concurrency), and lifecycle.

Experience with performance monitoring tools such as Grafana, Prometheus, CloudWatch, Azure Monitor, GCP Monitoring, AppDynamics, Dynatrace, or New Relic.

Solid understanding of web technologies (HTTP/S, REST APIs, WebSockets, HTML, CSS, JavaScript) and modern application architectures (Microservices, Serverless).

Experience with database performance analysis (SQL/NoSQL) and ability to write complex SQL queries.

Familiarity with cloud platforms (AWS, Azure, GCP) and experience in testing applications deployed in cloud environments.

Proficiency in scripting languages (e.g., Groovy, Python, Shell scripting) for custom scripting and automation.

Excellent analytical, problem-solving, and debugging skills.

Strong communication (written and verbal) and interpersonal skills, with the ability to effectively collaborate with diverse teams and stakeholders.

Ability to work independently, manage multiple priorities, and thrive in a remote or hybrid work setup.

Good to Have Skills:

Experience with other performance testing tools (e.g., LoadRunner, Gatling, k6, BlazeMeter).

Knowledge of CI/CD pipelines and experience integrating performance tests into automated pipelines.

Understanding of containerization technologies (Docker, Kubernetes).

Experience with mobile application performance testing tools and techniques (e.g., device-level monitoring, network emulation).

Certifications in performance testing or cloud platforms.

🚨 We’re Hiring: System Administrator (Min. 1.5 Years Experience) – Kolkata 🚨

📍 Location: Kolkata

💼 Experience: Minimum 1.5 years

💰 Salary: Up to ₹20,000/month (Negotiable based on skills)

🕒 Shift: Rotational

🧑‍💻 Joining: Immediate

🔧 Key Responsibilities:

• Network management & monitoring
• Desktop support & remote desktop troubleshooting
• Linux system handling (Preferred)
• Hardware installation & troubleshooting
• Basic server maintenance

Requirements:

• Previously help a DevOps Engineer or System Engineer role

• 4+ years of production Linux system admin experience in high traffic environment

• 1+ years of experience with Amazon AWS and related services (instances, ELB,

   EBS, S3, etc.) and abstractions on top of AWS.

• Strong understanding of network fundamentals, IP and related services (DNS, VPN, firewalls, etc.) and    

   security concerns.

• Experience in running Docker and Kubernetes clusters in production.

• Love automating mundane tasks and make developers life easy

• Must be able to code in, at a minimum, Python (or Ruby) and Bash.

• Non-trivial production experience with Saltstack and/or Puppet, Composer,Jenkins, GIT

• Agile software development best practices - continuous integration, releases,branches, etc.

• Experience with modern monitoring tools; capacity planning.

• Some experience with MySQL, PostgreSQL, ElasticSearch, Node.js, and PHP is a plus.

• Self-motivated, fast learner, detail-oriented, team player with a sense of humor

Experience in managing CI/CD using Jenkins.

Key Responsibilities:

Brand Development

 To ensure integrated and consistent brand communications across marketing, media relations, digital

media and publications on all aspects of the company’s work.

 Significantly contributing to the development of the overall business strategy through the identification

of content trends. Completely own content strategy and execution.

 To represent Affordplan professionally across all content platforms.

Asset Development

 Contribute to Affordplan’s thought-leadership in the industry through the development of robust and

effective multi-format content aligned with wider marketing strategy and campaigns.

 Creating clear Product Messaging, including Positioning, Features & Benefits and USP’s for the

Affordplan Proposition for the website, social media, and other brand assets.

 Create newsletters and email direct mailers for intended mailing list and customer base.

 Research and curate content for digital dissemination including blog pieces, opinion pieces, medical

awareness articles, scripts for videos, e-books, guides, media releases etc.

 Creation of sales tools and training modules; including white papers, presentations, collateral, website

content and social content

 Working with the Marketing team on PR and Product Review Programs

 Working with customers to generate success stories, testimonials and other user generated content.

Skills Required

 English Proficiency (Spoken) and English Proficiency (Written)

 Good familiarity with digital channels and social media

 The Candidate should have excellent communication skills.

 Ability to take initiatives.

 Extremely comfortable in fast-paced, high-growth startup environment.

 Creative and analytical thinker; fast learner.

Eligibility Criteria

Bachelors in Journalism, Mass Communication, English from a college of repute.

• Experience in either of these Relational DB’s MS SQL Server / PostgreSQL / AWS Aurora DB / MySQL / Oracle / NOSQL DBs (MongoDB / DynamoDB / DocumentDB) in an application development environment and eagerness to switch DB.
• Design database tables, views, indexes
• Write functions and procedures for Middle Tier Development Team
• Work with any front-end developers in completing the database modules end to end (hands-on experience in parsing of JSON & XML in Stored Procedures would be an added advantage).
• Query Optimization for performance improvement
• Design & develop SSIS Packages or any other Transformation tools for ETL

• Banking / Insurance / Retail domain would be a plus.
• Interaction with a client a plus

• Knowledge in a Cloud Platform (AWS / Azure)
• Knowledge on version control system (SVN / Git)
• Exposure to Quality and Process Management
• Knowledge in Agile Methodology

• Team building (attitude to train, work along, mentor juniors)
• Communication skills (all kinds)
• Quality consciousness
• Analytical acumen to all business requirement
• Think out-of-box for business solution