
Job Responsibilities:
• Excellent English communication.
• Design, develop, and maintain robust and scalable Java applications.
• Write clean, maintainable, and efficient code in Core Java.
Develop and execute unit tests using JUnit to ensure code quality.
• Manage database connections and queries using JDBC with PostgreSQL.
• Implement and integrate messaging systems with ActiveMQ or RabbitMQ, or Kafka.
• Utilize Redis for caching and optimizing application performance.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and debug applications to optimize performance and ensure reliability.
• Follow best practices for software development, including code reviews and version control.
• Proficient in debugging and diagnosing complex, multi-layered bugs in large codebases and custom frameworks.
• Skilled in using software development tools to identify and resolve both isolated and ambiguous issues.
• Highly effective in communication and collaboration with peers.
• Demonstrates advanced technical expertise relevant to their role.
• Capable of maintaining and improving existing code while ensuring high performance and reliability.
• Strong problem-solving skills with the ability to quickly adapt to new technologies and methodologies.
Preferred Competencies:
• Experience with microservices architecture.
• Knowledge of cloud platforms such as AWS, Azure, or GCP.
• Familiarity with CI/CD pipelines.

About Trellissoft Inc.
About
A pioneer in delivering world-class IT services for over 10 years in the industry. We help start-up and product companies in building innovative and award-winning products and modernizing their current technology products. Our services can help you right from developing product roadmaps to building unparalleled products to transform your business. We partner with multiple clients to simplify and solve their complex engineering challenges and deliver cost-effective and innovative solutions.
Tech stack

Candid answers by the company
TrellisSoft is a technology service provider founded in 2016 that specializes in AI solutions and digital transformation. With a team of 200+ experts globally, they help both startups and established companies build innovative products and modernize existing technology systems. Their core services include generative AI implementation, custom software development, and enterprise solutions, with particular expertise in healthcare, blockchain, fintech, and e-commerce sectors. TrellisSoft stands out for its comprehensive approach to technology services, combining AI innovation with practical business solutions. They offer everything from AI-powered contact center solutions to intelligent document processing, helping businesses automate workflows and enhance customer experiences. As a technology partner, they not only provide development services but also act as strategic consultants in their clients' digital transformation journeys.
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We're looking for a Backend Lead Engineer to join our Engineering Team. The Engineering Team forms the backbone of our core business. We build and iterate over our core platform that handles orders, payments, delivery promises, order tracking, logistics integrations to name a few. Our products are actively used by Fynd users, Operations, Delights, and Finance teams. Our team consists of generalist engineers who work on building REST APIs, Internal tools, and Infrastructure for all these users.
What will you do at Fynd?
- Determining project requirements and developing work schedules for the team.
- Managing and mentoring a team of 2-5 engineers, Delegating tasks, and achieving daily, weekly, and monthly goals.
- Build scalable and loosely coupled services to extend our platform
- Build bulletproof API integrations with third-party APIs for various use cases with the team.
- Evolve our Infrastructure and add a few more nines to our overall availability
- Have full autonomy and own your code, and decide on the technologies and tools to deliver as well operate large-scale applications on AWS
- Give back to the open-source community through contributions on code and blog posts
- This is a startup so everything can change as we experiment with more product improvements
- Write technical documentation
Some Specific Requirements
- Atleast 2+ years of Tech Lead Experience, 5+ years of Development Experience
- You have prior experience developing and working on consumer-facing web/app products
- Good understanding of Data Structures, Algorithms, and Operating Systems
- Hands-on experience in JavaScript / Python / Node.Js. Exceptions can be made if you’re really good at any other language with experience in building web-app based tech products
- Good knowledge of async programming using Callbacks, Promises, and Async/Await
- Experience in at least one of the following frameworks - Flask, Sanic, Fastapi would be plus
- Experience in at least one of the following frameworks - Express.js, Koa.js, Socket.io
- Hands-on experience with Frontend codebases using HTML, CSS, and AJAX. Plus knowledge of Frontend Frameworks and Experience in at least one of the following frameworks - React.Js, Angular, Vue.js.
- Deep knowledge of MongoDB, Redis, or MySQL
- Basic knowledge of event-based systems using Kafka or RabbitMQ
- You should have experience with deploying and scaling Microservices.
- You've worked with AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
- Deep Knowledge of Cloud-Native Application Architecture: Docker, Kubernetes, Microservices
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Designing, implementing and maintaining Java-based applications
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Contributing in all phases of the development lifecycle
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Writing testable, scalable and efficient code
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Test and debug new applications and updates
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Maintain up to date code documentation
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Participating in code reviews
Should have worked on Springboot and Hibernate
Required Education:
B.Tech./ BE - Computer, IT, Electronics only
Required Skills:
- 3+ year of experience in Development in JAVA technology and springboot
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.

Proficient in Java, J2EE and related technologies.
• Experienced in using spring, Spring Boot, Hibernate, messaging systems.
• Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate
• Expert understanding of the object-oriented design and programming concepts
• Strong working experience on Data Structures, Algorithms and Collections.
• Solid experience building applications on top of RESTful APIs.
• Knowledge/experience with Spring MVC
• Stroing knowledge in developing and executing automated unit, functional and integration tests
• Good communication and analytical skills.
• Strong trouble shooting skills
You’ll spend time on the following Developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance. Write maintainable/scalable/efficient code. Contributing in all phases of the development lifecycle. Continue to innovate and build solutions to support business growth and launch new features. Object-Oriented Analysis and design using common design patterns. Given a fuzzy product requirement, work with other stakeholders, product to understand & refine the requirements and change them to tech requirements Work in a cross-functional team, collaborating with peers during entire SDLC. Managing the developed applications and live support.
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We’re Excited About You If You Have Excellent coding skills in Java/J2EE Strong problem-solving skills, data structures and algorithms. Have experience in building and maintaining large scale web applications in service-oriented architecture. Good Understanding of Java 8 with proven hands-on skills Experience in Spring Framework - Spring Boot, Spring Data, Spring REST Experience in Spring Reactive Good understanding of SQL and MYSQL Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations Understands version control branching strategies Understands different major language paradigms (object oriented / functional /reactive) Understanding of AWS is a plus Can reason about complexity of algorithms (time and space) Can debug code at ease and ensure quality code is produced Good verbal and written communication skills
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• Strong experience as a Java/J2EE development is required
• Excellent working knowledge in SPRING MVC, SPRING BOOT,
• Strong background in developing and deploying software that runs in a real-time, multi-threaded environment
• Good knowledge and experience with concepts of MVC, JDBC and RESTful API Integration
• Experience with threaded and asynchronous environment
• Experience with any of the following Frameworks is Desired: Spring, Spring Boot, Hibernate
• Fundamental understanding of design patterns
• Working knowledge of SOAP/XML/WSDL
• Proven experience in MongoDB
• Experience supporting and troubleshooting problems in a highly complex environment
• Familiar with agile / scrum development methodologies
• Proficient understanding of Code version tools like Git/ Bitbucket and SVN
• Familiarity with Continuous Integration and tools such as Maven and Jenkins.
Role & Responsibilities:
• You will be responsible for Java development and building large scale applications that are high performance, scalable, and resilient in an SOA environment
• Working closely with end-users and other members of the team to identify and employ the best solutions
• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Engaging end-users to identify new requirements, strategic direction and highlight issues
• Defining and building maintainable processes that provide resilient and stable platforms, which support end user’s business/technical demand
• Integrating new services and providing clean APIs and services for applications
• Understanding volume growth to ensure the systems




Key Skills:
1. One or more of Python/PHP/Ruby/NodeJS/Java
2. Sound object-oriented skills, including strong design patterns knowledge
2. REST APIs
3. MVC architecture
4. MySQL/PostgreSQL
5. Exp with at least 1 NoSQL databases MongoDB/Memcache/Redis/
6. Exp with search technologies Elasticsearch/Solr
7. Exp building messaging based asynchrounous systems RabbitMQ/Kafka/SQS/Celery will be added advantage
8. Exp with Django/Flask frameworks will be added advantage
9. Knowledge of software best practices like Test-Driven Development (TDD) and Continuous Integration (CI) will be added adnavtage
Requirements:
1. Developing software solutions in conjunction with Relational theory, Rest APIs and NoSQL database technologies
2. Knowledge of cloud based technologies in AWS or Azure will be added advantage
3. Understanding of RDBMS technologies like MySQL, PostgreSQL.
4. Hands-on with Version control systems (GIT, SVN) and Unix/Ubuntu.
5. Experience in requirement analysis, HLD, LLD, unit & integration testing.
6. Good hands on experience in debugging application issues
TL;DR
1) Top performer in the company
2) Has worked with product based startup company
3) Ambitious and hardworking



