Lead Backend Engineer

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.

Company: Grey Chain AI

Location: Remote

Experience: 7+ Years

Employment Type: Full Time

About the Role

We are looking for a Senior Python AI Engineer who will lead the design, development, and delivery of production-grade GenAI and agentic AI solutions for global clients. This role requires a strong Python engineering background, experience working with foreign enterprise clients, and the ability to own delivery, guide teams, and build scalable AI systems.

You will work closely with product, engineering, and client stakeholders to deliver high-impact AI-driven platforms, intelligent agents, and LLM-powered systems.

Key Responsibilities

• Lead the design and development of Python-based AI systems, APIs, and microservices.
• Architect and build GenAI and agentic AI workflows using modern LLM frameworks.
• Own end-to-end delivery of AI projects for international clients, from requirement gathering to production deployment.
• Design and implement LLM pipelines, prompt workflows, and agent orchestration systems.
• Ensure reliability, scalability, and security of AI solutions in production.
• Mentor junior engineers and provide technical leadership to the team.
• Work closely with clients to understand business needs and translate them into robust AI solutions.
• Drive adoption of latest GenAI trends, tools, and best practices across projects.
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Must-Have Technical Skills

• 7+ years of hands-on experience in Python development, building scalable backend systems.
• Strong experience with Python frameworks and libraries (FastAPI, Flask, Pydantic, SQLAlchemy, etc.).
• Solid experience working with LLMs and GenAI systems (OpenAI, Claude, Gemini, open-source models).
• Good experience with agentic AI frameworks such as LangChain, LangGraph, LlamaIndex, or similar.
• Experience designing multi-agent workflows, tool calling, and prompt pipelines.
• Strong understanding of REST APIs, microservices, and cloud-native architectures.
• Experience deploying AI solutions on AWS, Azure, or GCP.
• Knowledge of MLOps / LLMOps, model monitoring, evaluation, and logging.
• Proficiency with Git, CI/CD, and production deployment pipelines.

Leadership & Client-Facing Experience

• Proven experience leading engineering teams or acting as a technical lead.
• Strong experience working directly with foreign or enterprise clients.
• Ability to gather requirements, propose solutions, and own delivery outcomes.
• Comfortable presenting technical concepts to non-technical stakeholders.

What We Look For

• Excellent communication, comprehension, and presentation skills.
• High level of ownership, accountability, and reliability.
• Self-driven professional who can operate independently in a remote setup.
• Strong problem-solving mindset and attention to detail.
• Passion for GenAI, agentic systems, and emerging AI trends.

Why Grey Chain AI

Grey Chain AI is a Generative AI-as-a-Service and Digital Transformation company trusted by global brands such as UNICEF, BOSE, KFINTECH, WHO, and Fortune 500 companies. We build real-world, production-ready AI systems that drive business impact across industries like BFSI, Non-profits, Retail, and Consulting.

Here, you won’t just experiment with AI — you will build, deploy, and scale it for the real world.

Experience in developing applications using .Net Core Ver. 6/7, ASP.Net MVC (C#), .Net Core Web API & Web App, Web Services, OOPS, SOLID principles.

Experience in software development and system architecture with Microsoft technologies.

Able to integrate the database objects with the Microservices.

Expert working knowledge of Multi-threading.

Solid experience in converting .NET Framework multi-threaded services into .NET Core.

Worked as part of a cross-functional team on code reviews, internal infrastructure, and process enhancement.

Understanding of CI/CD pipeline is mandatory.

Strong hands-on experience with C# and solid principles.

Expertise in entity framework core with code first approach.

Expertise in writing RESTful services.

Knowledge of RDBMS concepts.

Work Location: Bangalore

Job Type: Full-time

Experience Level: 5-10 years

Job Description:

We are looking for a talented Java Developer with a strong background in multithreading, microservices , Spring Boot, data structures and algorithms, and SQL, specifically within the banking sector. The ideal candidate will be responsible for designing and implementing high-performance applications that cater to our financial services.

Key Responsibilities:

• Develop and maintain robust, scalable Java applications using Spring Boot.
• Implement multithreading concepts to enhance application performance and responsiveness.
• Design and optimize data structures and algorithms for efficient data processing.
• Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.
• Write complex SQL queries and optimize database interactions to ensure high performance.
• Conduct code reviews and contribute to team best practices and standards.
• Troubleshoot and resolve issues in a timely manner, ensuring minimal impact on business operations.
• Stay updated with the latest trends in Java development and banking technology.

Required Qualifications:

• Bachelor’s degree in computer science, Information Technology, or a related field.
• Proven experience as a Java Developer, added advantage in the banking or financial services domain.
• Strong proficiency in Java, with a deep understanding of multithreading concepts.
• Hands-on experience with the Spring Boot framework and Microservices
• Solid understanding of data structures and algorithms and their application in solving complex problems.
• Proficient in SQL and experience with relational database management systems (e.g., Oracle, MySQL).
• Strong analytical and problem-solving skills, with the ability to work under pressure.
• Excellent communication skills and the ability to work

If interested, Kindly drop cv in linkedIn: linkedin.com/in/ranjini-c-n-36b674131

Responsibilities:

• Good understanding of programming language
• Concepts of Java, Maven
• Source Control
• Logically Strong in coding practices
• Data structure Understanding.
• Security encryption and decryption
• Data encoding decoding

Requirements:

• Strong core Java development skills.
• Exposure to security tools.
• Experience in working with customers, understanding business requirements
• Good analytical and troubleshooting skills.
• Working knowledge of Jenkins/Maven
• Key requirements: Core Java, CI/CD, Docker, Maven, Jenkins, REST API, Kafka, Redis, cache, elastic cache

We aspire to build a high-quality, innovative & robust software. If you are a hands-on platform builder with significant experience in developing scalable data platforms, look no further. Click on Apply and we will reach out to you soon.

Your responsibilities as an Engineer: 

•     Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.

•     Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.

•     Prepares and installs solutions by determining and designing system specifications, standards, and programming.

•     Improves operations by conducting systems analysis; recommending changes in policies and procedures.

•     Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products.

•     Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment

•     Participate in educational opportunities & read professional publications;

•     Protects operations by keeping information confidential.

•     Provides information by collecting, analyzing, and summarizing development and service issues.

•     Accomplishes engineering and organization mission by completing related results as needed.

•     Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

Skill sets we require:

•     Proven work experience as a Software Engineer or Software Developer

•     Experience designing interactive applications

•     Ability to develop software in or other programming languages like JIRA or Postman

•     Excellent knowledge of relational databases, MYSQL and Restful API

•     Experience developing web applications using at least one popular web framework (Laravlel, Codeigniter and Magento)

•     Experience with test-driven development

•     Proficiency in software engineering tools

•     Ability to document requirements and specifications

Experience & Pedigree: 

•     Bachelor’s/Master’s degree in Computer Science Engineering or equivalent

Knowledge & Experience required:

·        Bachelor's degree in Computer Science Engineering or equivalent degree.

·        7 years of development experience as a seasoned Java developer

·        7 years of experience in developing enterprise applications using enterprise Java 8 and has worked both on Web and Server side technologies.

·        A strong Java Backend Developer with Core Java 8, Spring, Spring Boot, Hibernate, REST Web-services.

·        Expertise in Java Unit Testing Frameworks and tools such as JUnit, TestNG, Mockito etc.

·        As a Senior developer, must be comfortable switching tasks between Web Services, APIs, Batch Job engine or Web Development.

·        Passionate Java developer who is also a problem solver and has a very good understanding of core and advanced Java concepts.

·        Good understanding of database and data fundamentals in SQL Server 2017, Oracle and NoSql databases.

·        Good understanding of Web Service concepts and experience building RESTful services is required.

Skills Required:

• Must-Have: Java, Spring/spring-boot, Data structure, Algorithm
• Any 2 (Must) out of the below-mentioned list : 

a.     JPA/Hibernate

b.     Messaging queue/Kafka/SQS/distributed message/SNS/JMS

c.     NoSQL/Aerospike/Reddis/Cassandra

d.     Microservices

Roles and Responsibilities:

• Technical design, implementation, deployment, and support.
• Partner with Business Analysts to review and implement business requirements.
• Perform development and unit testing, working closely with Business.
• Mentors and oversees the development of resources, including reviewing designs and performing code reviews.
• Ensure designs are in compliance with specifications
• Contribute to all phases of the development lifecycle
• Developing high-volume, low-latency applications for mission-critical systems and delivering high availability and performance
• Should have experience of working on Core Java/J2EE & OOPS concept
• Should be well versed with Spring/Struts & Apache Camel (OSGI Framework)
• Should have a good understanding of Hibernate and Other ORMs
• Should have an understanding of working on Web Service (SOAP/REST) and Maven
• Build tools such as Jenkins
• Caching Technique(Radis, Hazlecast, Aerospike)
• Database Knowledge - Oracle, MySQL

You’ll be responsible for building APIs for a progressive web app. You must know Node.js, Express.js, Mongo.db, and basic Github.

Expectations:

• Design and develop REST API modules.
• Good experience in building and testing API’s and integrating them.
• Assuring the complete stack is designed and built for speed and scalability.

Your Requirement:

• Must know Node.js, Express.js, Mongo.db, and basic Github.
• 1-3 years of backend experience.
• Previously worked on similar projects (e commerce, food delivery, etc).
• Logical and problem solver.
• Optimized and clean code

Good to have:

• Worked on Payment Gateways
• Worked with food tech or similar projects

Hiring Process:

• Round 1 - Task based on backend technologies
• Round 2 - Task review and technical round

Responsibility:

• Complete the goal without missing any deadlines.
• Compensated on feature or hourly basis.

About Menu Cart Private Limited

We are a high growth startup currently experimenting in stealth. We are solving food delivery related problem with gamification features.