

Senior Software Engineer - Backend
A Senior Software Backend Engineer is responsible for designing, building, and maintaining the server-side
logic and infrastructure of web applications or software systems. They typically work closely with frontend
engineers, DevOps teams, and other stakeholders to ensure that the back-end services perform optimally and
meet business requirements. Below is an outline of a typical Senior Backend Developer job profile:
Key Responsibilities:
1. System Architecture & Design:
- Design scalable, high-performance backend services and APIs.
- Participate in the planning, design, and development of new features.
- Ensure that systems are designed with fault tolerance, security, and scalability in mind.
2. Development & Implementation:
- Write clean, maintainable, and efficient code.
- Implement server-side logic, databases, and data storage solutions.
- Work with technologies like REST, GraphQL, and other backend communication methods.
- Design and optimize database schemas, queries, and indexes.
3. Performance Optimization:
- Diagnose and fix performance bottlenecks.
- Optimize backend processes and database queries for speed and efficiency.
- Implement caching strategies and load balancing.
4. Security:
- Ensure the security of the backend systems by implementing secure coding practices.
- Protect against common security threats such as SQL injection, cross-site scripting (XSS), and others.
5. Collaboration & Leadership:
- Collaborate with frontend teams, product managers, and DevOps engineers.
- Mentor junior developers and guide them in best practices.
- Participate in code reviews and ensure that the development team follows consistent coding standards.
6. Testing & Debugging:
- Develop and run unit, integration, and performance tests to ensure code quality.
- Troubleshoot, debug, and upgrade existing systems.
7. Monitoring & Maintenance:
- Monitor system performance and take preventive measures to ensure uptime and reliability.
- Maintain technical documentation for reference and reporting.
- Stay updated on emerging technologies and incorporate them into the backend tech stack.
Required Skills:
1. Programming Languages:
- Expertise in one or more backend programming languages in the list Python, Java, Go, Rust.
2. Database Management:
- Strong understanding of both relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g.,
MongoDB, Redis).
- Knowledge of data modeling, query optimization, and database scaling strategies.
3. API Design & Development:
- Proficiency in designing and implementing RESTful and GraphQL APIs.
- Experience with microservices architecture.
- Good understanding of containers
4. Cloud & DevOps:
- Familiarity with cloud platforms like AWS, Azure, or Google Cloud.
- Understanding of DevOps principles, CI/CD pipelines, containerization (Docker), and orchestration
(Kubernetes).
5. Version Control:
- Proficiency with Git and branching strategies.
6. Testing & Debugging Tools:
- Familiarity with testing frameworks, debugging tools, and performance profiling.
7. Soft Skills:
- Strong problem-solving skills.
- Excellent communication and teamwork abilities.
- Leadership and mentorship qualities.
Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
- 5+ years of experience in backend development or software engineering.
- Proven experience with system design, architecture, and high-scale application development.
Preferred Qualifications:
- Experience with distributed systems, event-driven architectures, and asynchronous processing.
- Familiarity with message queues (e.g., RabbitMQ, Kafka) and caching layers (e.g., Redis, Memcached).
- Knowledge of infrastructure as code (IaC) tools like Terraform or Ansible.
Tools & Technologies:
- Languages: Python, Java, Golang, Rust.
- Databases: PostgreSQL, MySQL, MongoDB, Redis, Cassandra.
- Frameworks: Django, Flask, Spring Boot, Go Micro.
- Cloud Providers: AWS, Azure, Google Cloud.
- Containerization: Docker, Kubernetes.
- CI/CD: Jenkins, GitLab CI, CircleCI.
This job profile will vary depending on the company and industry, but the core principles of designing,
developing, and maintaining back-end systems remain the same.

About KJBN labs
About
With a strong foundation in technology and a deep understanding of the ever-evolving business landscape, we recognized the pressing need for user-friendly, scalable, and cost-effective SaaS solutions. Driven by this realisation, we embarked on a mission to craft software that seamlessly integrates into diverse industries, catering to their unique requirements and challenges.
Candid answers by the company
Agri tech product
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Experience: 5+ Years
• Experience in Core Java, Spring Boot
• Experience in microservices and angular
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts
Providing technical expertise for every phase of the project lifecycle—from concept
development to solution design, implementation, optimization and support. Interacts
with a set of clients (client senior developers and architects) to create technology
specifications from business requirements for one of the modules within the project.
Prepares the technical design of the more complex technology components within the
module (one or more of client/web presentation tier, server tier, data access and data
model, integration component, package function customization).
Assists the architect in articulating the pros and cons of using a certain technology stack
or component or design pattern versus another to the clients and project team and
drives selection of technologies, designs to come up with the optimal architecture.
Drives the performance tuning, re-design and re-factoring for a module.
Contributes to designing and implementing the build, releases process as well as system
configuration and deployment characteristics of the application.
Required Tech Stack
2+ years of strong development skills in Java with JDK 1. 8 & above version &
Microservices with Spring boot/ Spring.
Should have strong acumen in Data Structures, Algorithms, problem-solving and Logical/
Analytical skills.
Thorough understanding of OOPS concepts, Design principles and implementation of
different type of Design patterns.
Sound understanding of concepts like Exceptional handling, Serialization/Deserialization
and Immutability concepts, etc.
Good fundamental knowledge in Enums, Collections, Annotations, Generics, Auto
boxing, etc. Experience with Multithreading, Concurrent Package and Concurrent APIs Basic
understanding of Java Memory Management (JMM) including garbage collections
concepts.
Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by,
aggregate functions, etc.)
Experience with at-least one NoSQL (Any of Cassandra/Couch base/Hadoop), Hands-on
experience with JMS
Hands-on experience in creating RESTful webservices and consuming webservices
Hands-on experience with Spring.
Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
Experience of writing Junit test cases using Mockito / Powermock frameworks.
Should have practical experience with Maven/Gradle and knowledge of version control
systems like Git/SVN etc.
Good communication skills and ability to work with global teams to define and deliver
on projects.
Sound understanding/experience in software development process, test-driven
development


● Follow due SDLC process for different phases of
development like design, development, unit testing,
maintenance
● Understand the requirements clearly from Functional
specs and future roadmap
● Write and update software design specs for the
solution
● Participate and invite peer review for design and
coding
● Support the automation requirements of continuous
integration and continuous deployments
● Handle customer escalations and special requests in a
timely manner
● Work with the rest of the team in a professional manner
and show ownership and commitment.
Qualifications and Required Skills:
● 2+ years experience in Software development
● In-depth knowledge of database technologies (SQL and
NoSQL)
● Proficiency in Python/Django framework
● Experience building RESTful APIs and knowledge of
RESTful design patterns
● Well versed with the complete Software Engineering Lifecycle.
● Strong Software development fundamentals including OOPS,
MVC, General Algorithms, Design Patterns etc.
● Good debugging and problem solving skills
● Analytical skills.
● Algorithmic and structured thinking.
● Works effectively within a collaborative team environment
● Good communication skills and positive attitude
Other Benefits:
● Insurance - Medical Insurance Coverage of 3,00,000 for
individual, spouse and kids. *Option of including parents and
higher coverage amount of 5,00,000
● Professional Development - Reimbursement towards relevant
courses that can help you grow your career and build your
knowledge level.
● Food - Lunch, Tea and Snacks. All you can eat!
● Work Culture- Flexible Result Oriented Work Environment
● Dress - We aren’t buttoned down. Wear anything you’re
comfortable in.Wear any comfortable dress you like to the office
– and be as comfortable at work
● Foosball - Whether you want to pick up the game or master
your skills, you’ll find plenty of people to play with
● TGIF - We’ll find something to do at the end of each week. Work
hard, party harder!
• Minimum 8+ Years of software development/programming experience.
• Any Bachelor’s or Master’s degree, not limiting to Engineering.
• Must be detail oriented.
• Experience with Agile methodologies.
• Strong communication skills and fluent in English (written and spoken)
• Keywords are team player, proactive, attention to detail, independent, strong analytical skills and
the ability to adapt to new challenges
Responsibilities:
• 8+ Years of software development/programming experience
• 3+ Years of experience in Drop-wizard/Spring Boot Microservice
• Strong experience building multi-threaded applications using Java 8 and above
• Experienced in Agile development methodologies / Continuous Integration
• Java Design Patterns
• Amazon AWS EC2/S3/RDS
• OpenAPI, Contract first development experience
• Strong Java Concurrency (Java Threading)
• DDD (Domain Driven Design)
• Testing frameworks Like Mockito
• Test driven development experience
• JIRA, Git, Github and Github actions


- Collaborate with the team members to understand the client requirements.
- Advance coding skills in PHP, HTML, CSS, JavaScript and Scripting language desirable.
- Must have experience in working on frameworks such as Laravel, CodeIgniter.
- Write clean and well-structured codes.
- Produce detailed technical product descriptions.
- Troubleshoot, test and maintain the core product software along with the databases to ensure strong functionality and optimization.
- Contribute to all the software development phases.
- Follow the industry’s best practices for writing clean code.
- Develop and deploy the latest features that facilitate the relevant tools and procedures if required.
- Improve the code-base of our products in a significant manner

Product-based Experience
TDD/BDD Experience
SQL Databases
Good to Have
Experience with Third-party Integrations
Queueing Systems
NoSQL Databases
Understanding of Rails Internals
Application Monitoring and Error Reporting Tools


● Develop, record and maintain cutting edge web-based PHP SAAS applications on portal plus
premium service platforms.
● Should be individual contributor and able to handle frontend and backend.
● Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team,
testing teams.
● Strong knowledge of HTML, CSS, and JavaScript, JQuery and Microservices
● Prepare and maintain all applications utilizing standard development tools
● Utilize backend data services and contribute to increase existing data services API
● Lead the entire web application development life cycle right from concept stage to delivery and post
launch support
● Good knowledge of GIT, Digital Ocean or AWS servers
● Convey effectively with all task progress, evaluations, suggestions, schedules along with technical
and process issues.
● Document the development process, architecture, and standard comp
About US: Newbie Soft Solutions is an IT service provider focused on providing solutions in niche areas to support and build future -ready, resilient solutions for medium sized industries and growth-focused technology organizations.
The name NEWBIE signifies a new chapter, a new beginning in the field of staffing solutions. Founded in 2015, we have grown from strength to strength with a strong presence across India, United States and Australia. Our offerings include Staffing Solutions, IT Consulting, Business Intelligence, Security Solutions, Legacy Application Management and Modernization. We value consistency, which is our core principle, to reach the end goal of complete user satisfaction. We constantly strive to outperform our competitors to become the leaders in digital revolution.
Job Requirement :
- Clear understanding of end to end communication of service calls via API Gateway/Service Mesh/Service Registry
- Experience on Springboot/SpringCloud/Restful Webservices
- Experience in containerisation (Docker) and Kubernetes in terms of creating container images and writing manifest files/helm charts on designing PODs/Side-car patterns etc.
- Good design experience on Web Applications (backend) & since we operate as a DevOps pod we would expect the person be involved in production deployments/support.
- Exposure to usage of CI-CD tools like Git/Jenkins/Maven/Sonar/Junit/CheckMarx/Netsparker/Cucumber
Advanced proficiency in MEAN Stack (NodeJS, MongoDB, Express, Angular JS)
Proficiency and hands-on experience with one or more of the following: Backbone / Knockout JS / Ember JS / React JS
Knowledge of JQuery would be an added advantage
Thorough knowledge of software development best practices, including coding standards, code reviews, source control management, build process, continuous integration and continuous delivery
Thorough knowledge of Node.JS, MongoDB, Angular JS, Express JS and JavaScript
Ability to plan core architecture, and to enhance it from time to time
Strong analytical mindset to derive actionable analytics from data


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

