L #2708
Applications open
Full-Time Job
PHP Backend Engineer - Business Application Dev
Real Time Applications Center - RTAC
About the role
PHP Backend Engineer – Business Application Development
About the Role
We are looking for a PHP Developer to build and maintain backend systems for web-based business applications. The role involves developing application modules, managing database operations, integrating APIs, and implementing business logic to deliver reliable and efficient software solutions.
Key Responsibilities
- Develop server-side functionalities and application modules using Core PHP.
- Build and maintain backend services for business applications and web platforms.
- Create REST APIs and integrate third-party services.
- Design database structures and manage MySQL queries, joins, and relationships.
- Implement data validation, session handling, authentication, and access controls.
- Work with frontend developers to connect user interfaces with backend services.
- Identify and resolve application bugs, database errors, and performance issues.
- Enhance existing software modules and develop new application features.
- Maintain clean code, technical documentation, and version control practices.
Skills & Qualifications
- 0 to 2 years of experience in PHP or backend development.
- Good knowledge of Core PHP, OOP concepts, and MVC architecture.
- Working knowledge of MySQL and relational database management.
- Familiarity with Laravel or CodeIgniter is an advantage.
- Understanding of HTML, CSS, JavaScript, and Bootstrap.
- Knowledge of REST APIs, JSON, and HTTP methods.
- Familiarity with Git, debugging, and application troubleshooting.
- Basic understanding of web security and server-side validation.
- Strong logical reasoning and problem-solving skills.
Eligibility & process
Who can apply
Seniority: Entry level. Employment type: Full-time
Skills & stack
Selection process
Details are shared by the recruiter after shortlisting.
Prep kit
20 resourcesStudy material 4
Aptitude Practice Questions & Mock Tests
Curated logical, quantitative, and verbal reasoning problems for the initial online screening round.
Company-Specific Interview Preparation Corner
Detailed interview experiences, exam formats, and previous test questions for Real Time Applications Center - RTAC and tech roles.
Technical Placement Question Bank
High-yield coding cheat sheets, core CS fundamentals (OOP, DBMS, OS, Networks), and rapid revision guides.
Algorithm, DSA & Live Code Debugger Practice
Hands-on problem sets to improve coding speed and step-by-step memory debugging.
Company-specific guides 4
APTITUDE & LOGIC
Aptitude Practice Questions & Online Mock Tests
Curated logical, quantitative, and verbal reasoning problems to sharpen reasoning skills required for the initial screening test.
COMPANY GUIDE
Real Time Applications Center - RTAC Interview Preparation Corner
Comprehensive guide covering typical interview formats, common questions, and preparation tips for Real Time Applications Center - RTAC and off-campus tech roles.
MOCK TESTS & PAPERS
Comprehensive Interview Prep Resources & Syllabus
Collection of previous year questions, company-specific test patterns, and interview experiences for technical and HR rounds.
CODING PRACTICE
Algorithm and Data Structure Problem Set
Practice problems to improve coding proficiency and algorithm problem-solving speed for technical rounds.
Likely coding questions 4
Round-wise strategy 4
Round 1: Online Assessment (OA)
Aptitude, Quantitative Logic & 2 Coding Problems
Focus on accuracy and speed. Practice arrays, strings, and standard arithmetic puzzles.
Round 2: Technical Interview 1
Core Tech Stack (JavaScript, PHP, HTML5, CSS3, Bootstrap, REST APIs, MySQL, Git) & Live Code Tracing
Explain your thought process aloud. Analyze time & space complexities before coding.
Round 3: System Design & Problem Solving
Database Schemas, APIs & Architecture Basics
Clarify edge cases, diagram schemas cleanly, and discuss scalability trade-offs.
Round 4: HR & Cultural Fit Discussion
Real Time Applications Center - RTAC Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
Technical questions 5
What is the difference between WHERE and HAVING clauses in SQL? Answer
Model answer: WHERE filters rows before any groupings are applied, while HAVING filters aggregated groups after GROUP BY has executed.
Explain SQL Window functions: ROW_NUMBER(), RANK(), and DENSE_RANK(). Answer
Model answer: ROW_NUMBER() assigns unique sequential integers. RANK() assigns identical ranks to ties and skips ranks. DENSE_RANK() assigns identical ranks to ties without skipping rank numbers.
How do you handle NULL and missing values during data cleaning in Python/Pandas? Answer
Model answer: Use .isna().sum() to identify missing values. Impute with mean/median using .fillna() or remove with .dropna(subset=[...]) depending on variance impact.
What is the difference between Star Schema and Snowflake Schema in Data Warehousing? Answer
Model answer: Star Schema has denormalized dimension tables directly connected to the central Fact table. Snowflake Schema normalizes dimension tables into sub-dimensions to minimize redundancy.
How do you calculate MoM (Month-over-Month) growth in SQL? Answer
Model answer: Use LAG(revenue, 1) OVER (ORDER BY month) to fetch the previous month's revenue and compute (revenue - prev_revenue) / prev_revenue * 100.
Behavioural & HR questions 3
Why do you want to join Real Time Applications Center - RTAC as a PHP Backend Engineer - Business Application Dev?
Highlight Real Time Applications Center - RTAC's market reputation, recent tech innovations, and how your skills in JavaScript directly solve their team's objectives.
Highlight Real Time Applications Center - RTAC's market reputation, recent tech innovations, and how your skills in JavaScript directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
How do you handle strict deadlines or sudden scope changes?
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
Competitive Package
India (Remote / Multiple), India
Seniority: Entry level. Employment type: …
