Senior Backend Developer

Job Description: We are looking for a talented and motivated Software Engineer with

expertise in both Windows and Linux operating systems and solid experience in Java

technologies. The ideal candidate should be proficient in data structures and algorithms, as

well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience

working with MySQL databases is also essential for this role.

Responsibilities:

● Design, develop, test, and maintain software applications using Java technologies.

● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.

● Develop and optimize database operations with MySQL.

● Analyze and solve complex problems by applying knowledge of data structures and

algorithms.

● Work with both Windows and Linux environments to develop and deploy solutions.

● Collaborate with cross-functional teams to deliver high-quality products on time.

● Ensure application security, performance, and scalability.

● Maintain thorough documentation of technical solutions and processes.

● Debug, troubleshoot, and upgrade legacy systems when required.

Requirements:

● Operating Systems: Expertise in Windows and Linux environments.

● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).

● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate.

● Algorithms and Data Structures: Good understanding and practical application of DSA

concepts.

● Databases: Experience with MySQL – writing queries, stored procedures, and performance

tuning.

● Version Control Systems: Experience with tools like Git.

● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)

Job Overview

We are looking for a talented Senior Backend Developer to join our team in developing backend servicing. As a key member of our development team, you will be responsible for cross-functional teams to design, develop, and maintain backend services and APIs using Node.js. The ideal candidate is passionate about distributed systems, has experience with backend services and is excited about optimising applications for performance, scalability, and reliability.

Responsibilities:

• Design, develop, and maintain backend services and APIs using Node.js.
• Collaborate with cross-functional teams to define requirements, architect solutions, and implement features.
• Write clean, modular, and maintainable code following best practices and coding standards.
• Optimise applications for performance, scalability, and reliability.
• Implement security measures to ensure data privacy and integrity in backend systems.
• Troubleshoot and debug issues to ensure smooth operation of production systems.
• Perform code reviews to maintain code quality, consistency, and adherence to coding standards.
• Stay updated with the latest trends and technologies in backend development, Node.js, and related ecosystems

Requirements:

• Bachelor's degree in Computer Science, Engineering, or related field.
• Proven experience in backend development, with at least 4 years of experience using Node.js.
• Strong understanding of data structures, algorithms, and software design principles.
• Experience with web frameworks such as Express.js.
• Proficiency in building RESTful APIs and microservices architecture.
• Familiarity with relational and NoSQL databases (e.g., MongoDB, PostgreSQL).
• Solid understanding of asynchronous programming and event-driven architectures.
• Experience with version control systems (e.g., Git) and collaborative development workflows.
• Excellent problem-solving, analytical, and troubleshooting skills.
• Ability to work independently and in a team environment, with excellent communication skills.

Unico Connect is a forward-thinking technology company dedicated to pushing the boundaries of what's possible in the digital world. We are seeking an experienced Senior Node.js Developer to join our team. In this role, you will work on a wide range of exciting projects, from building robust backend systems with Node.js to exploring NoCode platforms and integrating AI tools & solutions. 

Responsibilities

1. Node.js Development: Design, develop, and maintain backend systems and RESTful APIs using Node.js. Ensure scalability, performance, and reliability of server-side applications.
2. Relational Databases: Work with relational databases (e.g., PostgreSQL, MySQL) to design, create, and optimize database structures, and implement data models.
3. NoCode Platforms: Collaborate with cross-functional teams to explore and evaluate NoCode platforms for rapid application development and automation.
4. OpenAI API Integration: Utilize OpenAI APIs to integrate language generation and understanding capabilities into our applications.
5. Language Model Exploration: Perform exploratory tasks related to Language Models, such as creating and fine-tuning models, and experimenting with various use cases.
6. Performance Optimization: Identify and resolve performance bottlenecks and ensure the efficient use of resources.
7. Security: Implement best practices for data security and access control, including user authentication and authorization.
8. Documentation: Maintain detailed technical documentation, including API documentation and database schemas.
9. Code Reviews: Participate in code reviews and mentor junior developers to ensure code quality and best practices are followed.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
• 4+ years of proven experience as a Node.js developer with a strong portfolio of relevant projects.
• Solid experience with relational databases, including database design and SQL.
• Familiarity with NoCode platforms or a willingness to learn and adapt to new technologies.
• Experience working with cloud services such as AWS or GCP, setting up instances, deploying applications. 
• Experience in implementing API caching using Redis or similar.  
• Understanding of OpenAI APIs and a strong interest in Language Model technologies.
• Proficiency in JavaScript and server-side scripting.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.
• Ability to work in a collaborative, fast-paced environment.

Nice to Have

• Knowledge of containerization and orchestration technologies (e.g., Docker, Kubernetes).
• Experience with GraphQL.
• Experience with implementing queue management systems such as RabbitMQ, Kafka, SQS.
• Previous experience working with natural language processing (NLP) technologies.
• Knowledge of DevOps and CI/CD practices.

Skills

• Node.js
• JavaScript
• Express.js
• MongoDB
• RESTful

• Design, develop, code and test the solution

• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES) 

• 5-10 yrs of industry experience

• Energetic self-starter, with a desire to work in a startup environment

• Proficient in advanced Java programming skills

• Expert in Application development cloud/on premise end to end. Middle layer, DB layer.

• Nice to have understanding on MQ (e.g. Kafka)

• Good hands on in Complex Event Processing systems

• Solved scale and performance issues while dealing with huge sets of data. Pre compute or data aggregation frameworks to achieve good response time

• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES)

• Experience of debugging applications running on Unix like systems (e.g. Ubuntu, CentOS)

• Experience developing RESTful APIs for complex data sets

• Knowledge of container based development & deployment (e.g. Dockers, K8s)

• Expertise in software security domain, a plus

Experience: 5+ Years

An  Architect  is a hands-on, talented, innovative, and practical individual with functional experience to design, implement and support the delivery of core products and product components.  

• Capable of working under minimal direction and exercising considerable latitude, they will provide technical expertise in developing solutions to complex software engineering problems, which require frequent use of ingenuity and creativity.
• Experienced in designing application framework solutions, performing architectural analysis, and identifying issues and provide solutions for the business problems.
• Sound functional knowledge of application architecture service architecture, code modularity, data synchronisation, customisable workflow management, partner application integration and API developer frameworks.
• Responsibilities:
• Lead the design and development of new architecture and major functional upgrades for the most advanced capabilities 
• Provide technical guidance and mentorship to engineers, designers, and developers.
• Engage cross-organizational teams such as Product Management, Integrations, Services, Support, and Operations, to ensure the success of overall software development, implementation, and deployment.
• Requirements:

Ideal candidate should have

• 7+ years of system implementation experience 
• Experience with any of the following languages like Java / Nodejs / ROR / Python
• Expertise in micro service / Data modelling / AWS / Messaging
• Expertise in building scalable & reliable systems
• Good Experience in working with technologies like AWS, Redis,
• Experience in messaging systems like SQS/RabbitMQ
• Good knowledge of caching, Databases, distributed systems.
• Strong problem solving and analytical skills
• Good experience with Devops