Job Opportunity with Wissen Technology for Java Lead at Bangalore

JOB DETAILS:

* Job Title: Lead I - (Web Api, C# .Net, .Net Core, Aws (Mandatory)

* Industry: Global digital transformation solutions provide

* Salary: Best in Industry

* Experience: 6 -9 years

* Location: Hyderabad

Job Description

Role Overview

We are looking for a highly skilled Senior .NET Developer who has strong experience in building scalable, high‑performance backend services using .NET Core and C#, with hands‑on expertise in AWS cloud services. The ideal candidate should be capable of working in an Agile environment, collaborating with cross‑functional teams, and contributing to both design and development. Experience with React and Datadog monitoring tools will be an added advantage.

Key Responsibilities

• Design, develop, and maintain backend services and APIs using .NET Core and C#.
• Work with AWS services (Lambda, S3, ECS/EKS, API Gateway, RDS, etc.) to build cloud‑native applications.
• Collaborate with architects and senior engineers on solution design and implementation.
• Write clean, scalable, and well‑documented code.
• Use Postman to build and test RESTful APIs.
• Participate in code reviews and provide technical guidance to junior developers.
• Troubleshoot and optimize application performance.
• Work closely with QA, DevOps, and Product teams in an Agile setup.
• (Optional) Contribute to frontend development using React.
• (Optional) Use Datadog for monitoring, logging, and performance metrics.

Required Skills & Experience

• 6+ years of experience in backend development.
• Strong proficiency in C# and .NET Core.
• Experience building RESTful services and microservices.
• Hands‑on experience with AWS cloud platform.
• Solid understanding of API testing using Postman.
• Knowledge of relational databases (SQL Server, PostgreSQL, etc.).
• Strong problem‑solving and debugging skills.
• Experience working in Agile/Scrum teams.

Good to Have

• Experience with React for frontend development.
• Exposure to Datadog for monitoring and logging.
• Knowledge of CI/CD tools (GitHub Actions, Jenkins, AWS CodePipeline, etc.).
• Containerization experience (Docker, Kubernetes).

Soft Skills

• Strong communication and collaboration abilities.
• Ability to work in a fast‑paced environment.
• Ownership mindset with a focus on delivering high‑quality solutions.

Skills

.NET Core, C#, AWS, Postman

Notice period - 0 to 15 days only

Location: Hyderabad

Virtual Interview: 7th Feb 2026

First round will be Virtual

2nd round will be F2F

About Us:

Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits every day. If you thrive in high-stakes environments and have a deep passion for performance. driven backend systems, we want you.

What We Expect:

• We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and

a deep interest in scalable, low-latency systems.

• You should have 3–4 years of experience in Python-based development and be eager to solve complex

performance and scalability challenges in trading and fintech applications.

• You measure success by your own growth, not external validation.

• You thrive on challenges, not on perks or financial rewards.

• Taking calculated risks excites you—you’re here to build, break, and learn.

• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading

environment.

• You understand the stakes—milliseconds can make or break trades, and precision is everything.

What You Will Do:

• Develop and maintain scalable backend systems using Python.

• Design and implement REST APIs and socket-based communication.

• Optimize code for speed, performance, and reliability.

• Collaborate with frontend teams to integrate server-side logic.

• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.

• Build fault-tolerant, multi-producer/consumer systems.

Must-Have Skills:

• 3–4 years of experience in Python and backend development.

• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).

• Experience with RabbitMQ/Kafka, SQL & NoSQL databases, Redis, and Elasticsearch.

• Bachelor’s degree in Computer Science or related field

Role: React Native Lead

Exp: 5-9 Years

CTC: up to 30 LPA

Location: Bangalroe

Job Description:  

• Job involves working on latest technologies and frameworks in mobile and open source world to develop mobile applications, mobile web sites and rich internet applications.  

• Candidate should be Collaborative and Quality-focused, resourceful initiative taker, and someone who has good English communication skills.  

Desired Candidate Profile:  

• Work as part of a team to build React Native iOS / Android applications for clients.  

• Architect, build and maintain excellent React Native applications with clean code.  

• Experience with React Js, React Native, JavaScript  

• Implement pixel perfect UI's that match designs.  

• Implement clean, modern, smooth animations and transitions that provide an excellent user 

experience.  

• Familiarity with RESTful API.  

• Release applications to IOS and Google Play stores.  

• Developing Simple to Complex Functionality for Websites and Applications
• Write reusable code preferably using classes and libraries.
• Programming databases specially MySQL.
• Establishing projects from scratch or working on accessible projects
• Developing front-end and back-end applications.
• Take on multiple projects varying in size and complexity.
• Manage projects on AWS and other servers.

• Bachelor degree in Computer Science, Software Engineering or related discipline.
• 1 to 3 years of experience developing eCommerce web applications.
• Should be technically sound in OOPs Concepts.
• Programming databases specially MySQL/PostgreSQL.
• Knowledge of server side technologies like PHP 7/8, NodeJS, NUXT.
• Knowledge of client side technologies like Javascript, JQuery, VueJS.
• Experience in MVC Framework, especially laravel.
• Basic knowledge of HTML5, CSS, XML, JSON.
• Good command on PostgreSQL database and its optimization techniques.
• Exposure to database transactions, stored procedures and triggers.
• Experience working with third-party APIs and developing web services using REST/GRPC.
• Experience with SCM tools like svn/git.
• Ability to adapt and pick up new techniques and technology.
• Knowledge of web security and vulnerabilities.
• Ability to prioritize the work and multi-tasking.
• Excellent communication skills & self-motivated

Job Summary:

We are looking for a skilled and experienced Java Developer to join our team. As a Java Developer, you will be responsible for developing and maintaining our applications using Java, Spring framework, and other related technologies. The ideal candidate should have a strong understanding of object-oriented programming principles, as well as experience with a variety of technologies such as SQL, NoSQL, and cloud computing.

Responsibilities:

• Design, develop, and maintain our applications using Java, Spring framework, and other related technologies
• Write clean, efficient, and optimized code for applications
• Collaborate with cross-functional teams to understand user requirements and deliver high-quality solutions
• Develop and maintain backend systems using Spring framework
• Work with databases, including SQL and NoSQL
• Ensure code quality and maintain documentation
• Troubleshoot and debug applications
• Stay updated with emerging trends and technologies in Java development
• Work with other teams to deploy and maintain applications

Requirements:

• 3-7 years of experience in Java development
• Strong understanding of object-oriented programming principles
• Experience with Java, Spring framework, and related technologies
• Familiarity with databases, including SQL and NoSQL
• Knowledge of cloud computing is a plus
• Excellent problem-solving and debugging skills
• Strong communication and collaboration skills
• Ability to work independently and as part of a team
• Bachelor's degree in computer science or a related field

Key Skills:

• Strong proficiency in Java programming language
• Experience with Spring framework, including Spring Boot and Spring MVC
• Familiarity with cloud platforms such as AWS, GCP, and Azure
• Experience building RESTful APIs
• Knowledge of microservices architecture
• Familiarity with SQL and relational databases such as MySQL and Postgres
• Familiarity with NoSQL databases such as MongoDB and Redis
• Experience with messaging systems such as Kafka and RabbitMQ
• Experience with containerization tools such as Docker and Kubernetes
• Understanding of software development principles and experience with SDLC methodologies
• Experience with Git version control and build tools such as Maven and Gradle
• Familiarity with front-end technologies such as Angular and React is a plus
• Strong problem-solving and analytical skills
• Good communication and interpersonal skills
• Ability to work independently and take ownership of tasks
• Experience with test-driven development and unit testing frameworks such as JUnit and Mockito
• Familiarity with CI/CD tools such as Jenkins is a plus
• Familiarity with caching technologies such as Redis is a plus
• Working knowledge of design patterns and software architecture principles is a plus.

Qualifications:

• A Bachelor’s degree in Computer Science (or equivalent experience)
• M-Tech or advanced degree a plus
• Hackathon participation and accolades are a plus

Job Role:

• 4+ years of object-oriented Java / J2EE development
•  Full SDLC experience (requirements gathering, architecture, development, QA, etc)…
•  Experience with Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
•  Experience with SOAP / REST web services
•  Knowledge of SQL
•  Knowledge of No SQL concepts, understanding of Solr, Redis and Mongo DB is desirable
•  Must have worked on any one messaging solutions
•  Bonus Points for micro service design and development experience
•  Bonus points for any mobile development experience
•  Used Agile methodology
•  Bonus Points for experience working on Unix, shell scripting & Build Systems
•  Experience in performance optimization is an added advantage

Job ID: RP1001

Required Experience- 4+ years

Expected joining within two weeks

Preferred Skills:

• Good communication skills in English (Written and Oral)
• Strong knowledge of RDBMS concepts
• Strong analytical and problem-solving skills
• Experience in performance tuning
• Experience in interaction with the customer
• Technical skills Java, HTML, CSS, TypeScript, SpringBoot, Hibernate, Microservices
• Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence)
• Ability to explore the application by himself/herself from the training provided

Responsibilities:

• New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
• Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
• Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
• Level 2 and Level 3 support (Support process adherence)
• Functional and technical or solution documentation preparation
• Execution will either be Waterfall or Agile
• The process needs to be followed as defined by RBEI or RBEI’s Customer
• Preparation & participation in the project status and review meeting

Job Locations: Bangalore, Pune, Chennai, Dehradun, Mohali, Panchkula, or Gurugram (Currently Remote)