Tech Lead Backend

JOB DESCRIPTION

Experience: 4-7 years

Location: Mumbai

Wissen Technology is now hiring for a Java Developer - Bangalore 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. - 4-7 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 Tamasha

Tamasha is building next-generation live, social, and real-time consumer

experiences across gaming, audio, video, and interactive platforms. Our backend

systems power millions of real-time interactions, low-latency data flows, and high

throughput event-driven services.

Role Overview

As a Software Development Engineer III (Backend), you will operate as a senior

individual contributor owning mission-critical backend systems. You will design

scalable architectures, solve complex distributed systems problems, and influence

engineering standards across teams.

Roles & Responsibilities

 Own backend systems end-to-end, from design and implementation to

production reliability and long-term evolution.



Design scalable, fault-tolerant, and low-latency backend architectures for real

time and event-driven use cases.



Lead system design decisions including data models, service boundaries, async

workflows, and scalability strategies.



Build and operate high-throughput services handling millions of events, requests,

or messages per day.

 Own reliability metrics such as p95/p99 latency, uptime, error budgets, and

participate in incident resolution and post-mortems.

Drive architectural migrations including monolith to microservices and

synchronous to asynchronous flows.

 Collaborate with product, frontend, and data teams to translate complex

requirements into robust backend solutions.



Improve developer productivity by contributing to internal platforms, tooling,

CI/CD pipelines, and coding standards.



Mentor engineers through design reviews, code reviews, and technical guidance

without direct people management.



Proactively identify performance bottlenecks, cost inefficiencies, and scalability

risks and resolve them at the system level.

Tech Stack

Backend: Node.js (NestJS / Express), Golang, Java

Databases: PostgreSQL, MySQL, MongoDB, Redis

Messaging & Async: Kafka, SQS, RabbitMQ, Pub/Sub

Real-time: WebSockets, Server-Sent Events

Cloud & Infra: AWS / GCP, Docker, Kubernetes

Observability: Prometheus, Grafana, OpenTelemetry

What We’re Looking For

• 5+ years of backend engineering experience

• Proven ownership of production systems at scale

• Strong understanding of distributed systems and async architectures

• Experience handling production incidents and system reliability

• Ability to independently design and evolve backend systems

We are solving complex technical problems in the financial 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.

Job Description: 

• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• Should be able to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen hassuccessfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Software Engineer for Java

• Understanding of object-oriented programming and design patterns
• Strong with Java programming and Java Servlets.
• Proficient in API design and development using RESTful services (JSON, XML etc)
• Source code management using GIT
• Knowledge in Mongo DB and SQL or any equivalent No-SQL and Relational databases. 
• Experience working with Bootstrap, JavaScript, jQuery & HTML would be preferred.
• Experience in Node JS would be an added advantage. 

Roles and Responsibilities:

• Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.
• Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
• Transform business and design needs into innovative products.
• Drive all projects to completion within deadlines.
• Perform thorough testing to find issues ahead of time.
• Engineering software needs more precise analysis & coding skillset
• Enhance skillset by working with fortune 500 clients
• Interacting with internal team.

Qualifications :

• B.E in computer science or related fields.
• Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
• Ability to work at the tactical and strategic levels of IT initiatives.
• Impressive hands-on experience in Java, database(Oracle), OOPS, Java Swing, Javafx.
• Self-Motivated, flexible & Innovative.

Desired candidates must have 3-6 years experience as NodeJs Developer.

Roles and responsibilities:

• Responsible for understanding functional and business requirements and translate them into effective code
• Provide support till deployment of code into production.
• Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
• Implement solutions as per the pre-defined framework /guidelines and adherence to processes
• Finding an optimal solution for the problem statement
• Conduct peer code review.

What candidate should know about:

• Excellent hands-on experience with Node.Js, Express.Js, JavaScript
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
• Ability to build REST services, Authentications, MVC applications
• Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
• Experience with Elastic Search, Redis.
• Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
• Self-learning abilities are required
• Familiarity with upcoming new technologies is a strong plus

About the Role

The Engineering team in Bangalore, India is building products for the Martial Arts

fans across the world. As part of the engineering team, you would be expected to have

deep technology expertise with a passion for building highly scalable products.

This is a unique opportunity where you can impact the lives of people across 150+

countries!

Responsibilities

Own architecture, design, development, and implementation of different

modules/features of the services

Design, develop, deploy and support web applications.

Discover opportunities for performance improvements

Recommend ways to improve reliability, efficiency and code quality

Focus on continuous delivery and reducing complexity

Carry out code reviews and manage pull requests

Build applications based on micro-services architecture.

Requirements

Overall 1~3 years of experience in Backend development.

B. E/B. Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,

IIITs or equivalent)

Strong object oriented design skills & knowledge of design patterns

Experience designing & developing distributed systems involving multiple web

services, databases (both SQL and NoSQL), caches, queues, etc. taking into

consideration scalability, availability, fault tolerance, consistency, etc. of the

overall system

Well-aware of and enforces development best practices: Unit Tests, Code Reviews,

Integration Tests, CI/CD, Monitoring, Alerting, etc.

1. Should have experience in full life cycle of Web Application Development in Linux environment using Apache, PHP, MySQL/MSSQL/ Oracle.

2. Hands on experience in these technologies is a must (PHP 5, Ajax, CSS / HTML5 / XHTML , Web development)

3. Should have experience in template engine like smarty and at least one MVC frame work (Laravel / Zend / Symphony / Cake Php / Code Igniter).

4. Should have worked on any of the content management system (Joomla / Drupal / Simple CMS etc)

5. Should have worked on any of one of JS frameworks like YUI, JQuery , MooTools, ExtJS and AJAX

6. Hands on experience with the following PHP modules: PEAR, CURL, SoapClient (WSDL mode), libXML, Memcache, PCRE, SQLITE, etc

7. Ability to write and consume SOAP & REST web services.

8. Create requirement document and work with team members to deliver the application.

9. Knowledge of Version Control Software ;such as SVN/CVS will be preferable.

10. Experience in Architecture Design & Developed of Web Application.

11. Should have experience in web application optimization/caching/DB performance tuning

12. Extensive OOD / OOP experience

13. Ability to propose, advocate and critique design alternatives to determine solutions.

14. Hands-on experience with web application architecture and relational database design Interact with Client to understand business requirement.

15. Hands on knowledge of best practices for cross-platform, cross-browser compatibility.

16. Hands on knowledge of UI optimization techniques and experience of working with UI performance measurement tools like Yslow, Firebux, Fiddler, HTTPWatch, Page Speed, DynaTrace, etc.

• Strong experience in Java Development
• Deep expertise and hands-on experience with Web Applications
• Expertise in Java, Spring Boot is an added advantage.
• Experience in Microservices
• Hands-on design experience with Web Services (REST, SOAP, etc ..).
• Strong grasp of security principles.

Nice to Have

• Spring Zuul
• Kafka
• cryptography and certificates

Abilities:

• Developer with  strong ability to develop web applications using Java
• Should be able to Code, design, and implement
• Maintain code integrity and organization