Lead Java Developer

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.

• 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.

• 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.

What We Expect:

• 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.

Job Description – Java Senior Developer

Job Title: Java – Senior Developer

Location: Hyderabad (Hybrid)

Job Summary: We are looking for a highly skilled Java Developer to join our team and contribute to the design, development, and maintenance of scalable applications. The ideal candidate should have strong hands-on experience in Core and Advanced Java, Spring Boot, Microservices, and cloud platforms like AWS. They must possess excellent problem-solving skills, clean coding practices, and an understanding of RESTful architecture. This role requires proficiency in front-end technologies (Angular/React), database management, and containerization (Docker/Kubernetes) to build high-performance applications.

Key Responsibilities:

• Develop, test, and maintain scalable Java applications with Spring Boot and Microservices architecture.
• Implement OOP principles, design patterns, and clean coding practices to ensure maintainability.
• Work on Spring Security, Spring Data JPA, Hibernate, and ORM frameworks for database management.
• Design and develop RESTful APIs following industry best practices.
• Utilize front-end frameworks (Angular, React, JavaScript, jQuery, HTML, CSS) to build user-friendly interfaces.
• Work with cloud platforms (AWS, Azure, or GCP) and containerization tools like Docker and Kubernetes.
• Optimize application performance by writing efficient, scalable, and secure code.
• Implement CI/CD pipelines and automate deployments using Docker, Kubernetes, or EKS.
• Write unit and integration tests to ensure robust and error-free code.
• Collaborate with cross-functional teams to enhance application functionality and user experience.

Required Qualifications & Skills:

• 5-10 years of hands-on experience in Core and Advanced Java development.
• Strong knowledge of multithreading, exception handling, servlets, and filters.
• Expertise in Object Oriented Design.
• Experience in designing and developing Microservices-based architectures.
• Proficiency in Spring Boot, Spring Security, Spring REST, and Hibernate (JPA).
• Strong SQL scripting skills and knowledge of relational databases (MySQL, SQL Server, Oracle, etc.).
• Hands-on experience with UI frameworks (Angular, React, JavaScript, TypeScript).
• Working experience with cloud platforms (AWS, Azure, or GCP).
• Knowledge of CI/CD pipelines, Docker, Kubernetes (EKS), and RESTful application integration.
• Understanding of OOP, SOLID principles, and clean code best practices.
• Strong problem-solving, analytical, and debugging skills.
• Bachelor's degree in Computer Science, Software Engineering, or a related field.

About TechGrit:

TechGrit is a custom software development services company dedicated to accelerating business growth through high-performing Agile teams. We specialize in delivering diversified and unique solutions across various industries, including ConstructionTech, HealthTech, FinTech, and HighTech. Our team of champion developers works closely with clients to design and develop custom software solutions that meet their business needs.

Our Mission:

To deliver high-quality and cost-effective software solutions that help companies and entrepreneurs achieve their goals and stay ahead of the competition.

Our Vision:

To be the most trusted technology partner for our customers, accelerating their business growth through innovation, reliability, and excellence by best-in-class people.

Our Core Values:

·      Customer Obsession

·      Excellence

·      Innovation

·      Teamwork

·      Integrity

·      Empathy

Join TechGrit and be part of a team that values innovation, excellence, and teamwork. We are committed to creating an inclusive environment where all employees feel valued and respected. If you are passionate and want to contribute to our mission and vision, we would love to hear from you.

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Job Description:

Engage in code design, testing, integration, deployment, and enhancements

Write high-quality code and take responsibility for tasks

Solve performance bottlenecks

Communicate and collaborate with product manager, QA, and UI/UX teams

Deliver with quality, on-time in a fast-paced start-up environment

Have a strong sense of code quality

Candidate Profile:

Bachelor’s/Master’s degree in Engineering, Computer Science (or equivalent experience)

At least 5+ years of relevant experience as a back-end engineer

Excellent Java and object-oriented development skills

Experience in building and scaling microservices

Strong problem-solving skills, technical troubleshooting, and diagnosing

Solid knowledge of RDBMS and NoSQL technologies

Experience in developing back-ends for enterprise systems

Knowledge of debugging performance and optimization techniques

Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka

Good knowledge of cloud technologies eg. AWS

Demonstrated ability to deliver in a fast-paced environment

• Develop client projects using Asp.net core 3.1 and above, MySQL Database, Azure Functions, CosmosDB, C#.
• Communicate with external clients on a regular basis regarding progress, challenges, timelines and results of client projects
• Gather technical requirements as needed
• Create and update, design and functional documents
• Identify and troubleshoot issues as needed
• Perform a new development as required
• Implement project applications according to specifications
• Research technical issues and provide recommendations to enhance client websites
• Work both independently and as part of a team to create reliable and high-performing Web Applications
• Unit test code to ensure quality

• Develop client projects using Asp.net core 3.1 and above, MySQL Database, Azure Functions, CosmosDB, C#.
• Communicate with external clients on a regular basis regarding progress, challenges, timelines and results of client projects
• Gather technical requirements as needed
• Create and update, design and functional documents
• Identify and troubleshoot issues as needed
• Perform a new development as required
• Implement project applications according to specifications
• Research technical issues and provide recommendations to enhance client websites
• Work both independently and as part of a team to create reliable and high-performing Web Applications
• Unit test code to ensure quality

Roles & Responsibilities

As a member of our fast-growing engineering team, your responsibility will be to get involved in day-to-day development operations and solve complex problems of digitization to meet the demands of business.

To be successful, you must have a self-driven mindset, go getter attitude.

The responsibilities include:

• Writing the clean quality code & Understanding functional requirements thoroughly and analyzing the requirements in the context of the product
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns and frameworks
• Determining and implementing design methodologies and tool sets
• Enabling application development by coordinating requirements, schedules, and activities
• Being able to lead/support UAT and production roll outs
• Creating, understanding and validating estimated effort for given module/task, and being able to justify it
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations
• Helping the team in troubleshooting and resolving complex bugs
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken
• Carrying out POCs to make sure that suggested design/technologies meet the requirements
• Carrying out DevOps activities which includes creating Jenkins pipeline

Key Skills

Should possess hands-on full life-cycle development experience (architect, design, code, test, release) be comfortable around both front-end and back-end coding languages, client/server-side development frameworks and third-party libraries.

• Should be strong in data structures and algorithms. Solid understanding of object-oriented programming
• Work with cutting edge technologies like Java 8, Scala, React, Akka, Docker, Puppet, and Salt
• Hands-on knowledge of Spring core, MVC, JPA. Working knowledge of Spring Boot
• Should have strong hands-on on one of the JavaScript frameworks: jQuery, AngularJS, ReactJS, and Vue.js.
• Willing to working with latest Cloud and Container technologies like AWS
• Experience with both external and embedded databases. NoSQL DB experience is good to have
• Implementing unit testing using frameworks like JUnit, Mockito, etc.
• Proficient understanding of code versioning tools, such as Git
• Familiarity with Maven (Other building tools Ant and Gradle are good to have)
• Familiarity with continuous integration
• Good understanding of Agile practices

Java
J2ee
working experience with one or more clouds

Understanding of design architecture

Experience with Traditional databases and nosql databases

Sound in Algorithms,data structures and problem solving 

Good at coding and design