
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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Responsibilities of a Senior Software Engineer (Backend):
- You will be a guide in the entire application lifecycle including research, design, development, testing (dev owns quality), along with continuous deployment and delivery
- Lead design with a major focus on best user experience, performance, scalability and future expansion
- You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills to bring in continuous improvements and implement best practices.
- You will apply the latest technology thinking from our tech radar, adopt best design practices to solve complex problems and ensure our product is the best in usability.
- You will work directly with the CEO and the cross functional product teams, align on the needs of the products and operations.
- You will analyze business, technology challenges and suggest solutions
- Build an “Awesome” team
This opportunity is for you if,
- You have 4-6 Years of work experience in building highly-interactive applications using Java, Spring MVC, Spring JMS, Spring JDBC, Spring IOC, Spring Boot, MySQL, MiBatis, ReactJS, Java Script, jQuery, AWS, JMS and have knowledge on wide range of web technologies, tools and Frameworks.
- You have experience in working with Restful webservices
- You have strong knowledge and understanding of design patterns and domain driven design
- You understand fundamental design principles behind building scalable, resilient, and maintainable applications
- You have functional knowledge of inclusive design: accessibility, and related tooling
- You have consumer web development experience for high-traffic, public facing web applications
- You have knack for writing clean, readable, re-usable code
- You have good knowledge on TDD and CI/CD practices.
- You have experience in managing and publishing releases using Git branching and tools like NPM and YARN.
- You have penchant for learning
- You are a great analytical & logical thinker and someone who loves solving problems
- You are passionate, energetic, enthusiastic and a go-getter
- You are “ FUN @ Work “
What You’ll Do:
- Work closely with the core team to understand their needs and ensure that our products are meeting the needs of the market.
- Designing database structure that are easy to maintain, improves data consistency and are cost effective in terms of disk storage space
- Identify, prioritise and execute tasks in the software development life cycle
- Develop tools and applications by producing clean, efficient code
- Document and demonstrate solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code
- Build efficient, testable, and reusable PHP modules
What You’ll Bring
- Bachelor's in Computer Science, Software Engineering or a related field.
- A 5+ years of experience in developing desktop and mobile web applications
- Strong knowledge of core PHP with experience of working with MVC framework such as CodeIgniter & Laravel
- Experience with object-oriented PHP programming
- Experience with third party API integration
- Experience in managing AWS services
- Previous experience creating scalable applications
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of .NET framework
• Experienced in at least one relational database e.g. MS SQL, Oracle
• Problem-solving and analytical capabilities
• Ability to complete tasks and maintain productivity with minimal supervision
• Used to work remotely and in an international work environment is a plus
• Producing detailed specifications and writing the program codes.
• Maintaining the systems once they are up and running.
• Recommend and execute modifications to the existing
DESIRED CANDIDATE PROFILE:
1. Education:- Any Graduate / BCA / PG Diploma / B.Tech / MCA / MBA (IT)
2. Technical Skill Sets:-
Languages: VB / http://vb.net/">VB.Net / http://asp.net/">Asp.Net / C#
RDBMS: Oracle / MS Sql Server / MySql
Web Technology: HTML / DHTML / http://asp.net/">ASP.Net / AJAX / HTML-5

Senior .NET Cloud (Azure) Practitioner
Job Description Experience: 5-12 years (approx.)
Education: B-Tech/MCA
Mandatory Skills
- Strong Restful API, Micro-services development experience using ASP.NET CORE Web APIs (C#);
- Must have exceptionally good software design and programming skills in .Net Core (.NET 3.X, .NET 6) Platform, C#, ASP.net MVC, ASP.net Web API (RESTful), Entity Framework & LINQ
- Good working knowledge on Azure Functions, Docker, and containers
- Expertise in Microsoft Azure Platform - Azure Functions, Application Gateway, API Management, Redis Cache, App Services, Azure Kubernetes, CosmosDB, Azure Search, Azure Service Bus, Function Apps, Azure Storage Accounts, Azure KeyVault, Azure Log Analytics, Azure Active Directory, Application Insights, Azure SQL Database, Azure IoT, Azure Event Hubs, Azure Data Factory, Virtual Networks and networking.
- Strong SQL Server expertise and familiarity with Azure Cosmos DB, Azure (Blob, Table, queue) storage, Azure SQL etc
- Experienced in Test-Driven Development, unit testing libraries, testing frameworks.
- Good knowledge of Object Oriented programming, including Design Patterns
- Cloud Architecture - Technical knowledge and implementation experience using common cloud architecture, enabling components, and deployment platforms.
- Excellent written and oral communication skills, along with the proven ability to work as a team with other disciplines outside of engineering are a must
- Solid analytical, problem-solving and troubleshooting skills
Desirable Skills:
- Certified Azure Solution Architect Expert
- https://ind01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcloudacademy.com%2Flearning-paths%2Faz-900-exam-preparation-microsoft-azure-fundamentals-524%2F&data=05%7C01%7C%7Ce2e481ab8ccc4c589ba408dad36c9f29%7Ce9cb3c8041564c39a7fe68fe427a3d46%7C1%7C0%7C638054760717910671%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=TmO1fonUFFgb8LzUJHbL8IyOdQeUKdw6xHMM2asosiw%3D&reserved=0" target="_blank">Microsoft Certified: Azure – Fundamentals Exam AZ-900
- https://ind01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcloudacademy.com%2Flearning-paths%2Faz-104-exam-preparation-microsoft-azure-administrator-1-1332%2F&data=05%7C01%7C%7Ce2e481ab8ccc4c589ba408dad36c9f29%7Ce9cb3c8041564c39a7fe68fe427a3d46%7C1%7C0%7C638054760718066923%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=EQPg%2FXxTdiYUCKCAvItXy6TY89udGTIehQ0m9irkGRk%3D&reserved=0" target="_blank">Microsoft Certified: Azure Administrator – Associate Exam AZ-104
- https://ind01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcloudacademy.com%2Flearning-paths%2Faz-204-exam-preparation-developing-solutions-for-microsoft-azure-1208%2F&data=05%7C01%7C%7Ce2e481ab8ccc4c589ba408dad36c9f29%7Ce9cb3c8041564c39a7fe68fe427a3d46%7C1%7C0%7C638054760718066923%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2BnosXa4TdBUG4jrqP%2B0%2FOikDbQMBNqzuDpvGoUk0IE8%3D&reserved=0" target="_blank">Microsoft Certified: Azure Developer – Associate Exam AZ-204
- https://ind01.safelinks.protection.outlook.com/?url=https%3A%2F%2Facloudguru.com%2Fblog%2Fengineering%2Fwhich-azure-certification-is-right-for-me%23devops-engineer&data=05%7C01%7C%7Ce2e481ab8ccc4c589ba408dad36c9f29%7Ce9cb3c8041564c39a7fe68fe427a3d46%7C1%7C0%7C638054760718066923%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=NZyP%2F3Euh1SkHfB7896ovm0HDt0vA8UgfHUvTBN4SPM%3D&reserved=0" target="_blank">Microsoft Certified: DevOps Engineer Expert (AZ-400)
- https://ind01.safelinks.protection.outlook.com/?url=https%3A%2F%2Facloudguru.com%2Fblog%2Fengineering%2Fwhich-azure-certification-is-right-for-me%23solutions-architect&data=05%7C01%7C%7Ce2e481ab8ccc4c589ba408dad36c9f29%7Ce9cb3c8041564c39a7fe68fe427a3d46%7C1%7C0%7C638054760718066923%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=0infaLzjjPThGGkzwu50jJXikppcC8trnsLGtAoB7S4%3D&reserved=0" target="_blank">Microsoft Certified: Azure Solutions Architect Expert (AZ-305)
- Good understanding of software architecture, scalability, resilience, performance;
- Working knowledge of automation tools such as Azure DevOps, Azure Pipeline or Jenkins or similar
Roles & Responsibilities
- Defining best practices & standards for usage of libraries, frameworks and other tools being used;
- Architecture, design, and implementation of software from development, delivery, and releases.
- Breakdown complex requirements into independent architectural components, modules, tasks and strategies and collaborate with peer leadership through the full software development lifecycle to deliver top quality, on time and within budget.
- Demonstrate excellent communications with stakeholders regarding delivery goals, objectives, deliverables, plans and status throughout the software development lifecycle.
- Should be able to work with various stakeholders (Architects/Product Owners/Leadership) as well as team - Lead/ Principal/ Individual Contributor for Web UI/ Front End Development;
- Should be able to work in an agile, dynamic team environment;

- Challenge technical decisions and web service designs and provide inputs for improvement
- Provide qualified code (tested and documented)
- Fix issues that arise from testing/customers
- Create or update all the relevant and required technical documents (design, architecture, )
- Follow quality development rules and recommendations (unitary test, change management, build management, Software factory…)
- Perform code reviews and suggest improvements
- Work in Agile mode and Test Driven development process
- Collaborate and work closely with all stakeholders
- Hardcore developers who can write performance-based quality code and drive code
- Preferred: Java1.8, Junit, Springboot, Dropwizard, RabbitMQ, Jenkins jobs, NoSQL DB (MongoDB, Neo4j), Docker, and DevOps (Optional: Python, AWS)
- Knowledge about Secure coding guidelines, Sonarqube, Configuration Management (Perforce), Jira
- MUST have experience in Scrum/Agile SDLC
- Value Add – experience on the server side in IPTV/OTT/STB
* Optimize components for maximum performance across multiple devices and browsers
* Write performant REST APIs for both internal and external consumption
* Build micro services and their deployment process
* Work with problems of scale, leveraging technologies that are distributed in nature.
* Perform code reviews
- Excellent analytical and problem-solving skills
- Exposure in Python and backend development
Php laravel developer with live multi project experience
MySQL
Multiple projects experience is must
Minimum 3+ Years of hands-on experience in developing Python Applications.
Excellent knowledge of Python and experience in or in-depth understanding of core Python
Knowledge in Lists, Tuples, and Dictionaries
Excellent knowledge of Python Constructor- Parameterized and Non-Parameterized
Must have experience in core python concepts about data structure, OOPS concepts, XML parsing, XML to JSON, optimizations
Developers should have developed Web Based applications., back end, SQL
Agile and scrum methodology
Should not be test automation, Application development frame work
Excellent Communication Skill
Good to Have
Django/ Flask
Strong Hands-on experience in HTML, CSS, DTL(Django Template Language), SASS.
knowledge of SQL







