{"id":3217043,"url":"https://alion.io/job/synapseindia-sr-software-engineer-codeigniter-","title":"Sr. Software Engineer ( Codeigniter )","company":{"id":3811947,"name":"SynapseIndia","domain":"synapseindia.rocks","url":"https://alion.io/company/synapseindia-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":15000,"max_usd":35000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":168},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bootstrap","optional":false},{"name":"CodeIgniter","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"MySQL","optional":false},{"name":"PHP","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-10-24T22:45:54Z","employer_posted_date":null,"last_verified_at":"2026-10-24T22:45:54Z","board_verified":false,"closed_at":null,"days_open":6,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":6},"description":"SynapseIndia is a software development company with over 26 years of experience, featuring development offices in India and the USA. We serve clients worldwide, delivering innovative solutions tailored to their needs. Our Noida SEZ office is conveniently located just a 10-minute walk from the nearest metro station. \n Why work with us \n Partnerships with Industry Leaders: We are a Google and Microsoft partner, staffed by certified professionals. \n Global Presence: As a multinational corporation, we have clients and employees across the globe. \n Structured Environment: We follow CMMI Level-5 compliant processes to ensure quality and efficiency. \n Timely Salaries: We have consistently paid salaries on time since our inception. \n Job Stability: Despite market fluctuations, we have not had to lay off employees. \n Work-Life Balance: Enjoy weekends off on the 2nd and last Saturday of every month, with no night shifts. \n Our employees are 100% satisfied, thanks to a culture of trust and growth opportunities. \n Eco-Friendly Workplace: We promote health and well-being with special anti-radiation and energy removal features in our offices. \n We prioritize the job security of all our employees. \n We celebrate all festivals with enthusiasm and joy. \n Yearly Appraisals: Exceptional performers can receive over 100% increments during appraisals. \n We recognize and reward top performers on a monthly basis for their outstanding contributions. \n We provide Accidental and Medical Insurance to our employees. \n\n Who are we looking for \n Designation :Sr. Software Engineer ( Codeigniter ) \n Experience Range : 9+ years \n\n What is the work \n Design, develop, maintain, and enhance web applications using Core PHP and CodeIgniter (CI3/CI4). \n Apply OOP principles, MVC architecture, and design patterns to build scalable and maintainable applications. \n Design and optimize MySQL databases, complex queries, and relational data structures. \n Develop responsive interfaces using HTML5, CSS3, JavaScript, jQuery, Bootstrap, and AJAX. \n Develop, integrate, and maintain RESTful APIs and third-party services. \n Implement and maintain cloud search functionality, including integration, configuration, and performance optimization. \n Analyze complex technical issues, troubleshoot bugs, and resolve production incidents independently. \n Optimize application performance, database efficiency, and overall system reliability. \n Follow secure coding practices and identify potential application vulnerabilities. \n Review code, maintain development standards, and contribute to technical decision-making. \n Collaborate with project managers, QA engineers, and other stakeholders to ensure timely project delivery. \n Maintain technical documentation and support application enhancements, maintenance, and knowledge transfer. \n\n What skills and experience are we looking for \n 9-10 years of professional experience in PHP application development. \n Strong proficiency in Core PHP and CodeIgniter (CI3/CI4). \n Excellent understanding of OOP concepts, MVC architecture, and software design patterns. \n Strong working knowledge of MySQL, relational databases, and query optimization. \n Hands-on experience with HTML5, CSS3, JavaScript, jQuery, Bootstrap, and AJAX. \n Proven experience in RESTful API development and third-party integrations. \n Practical experience with cloud search technologies and search functionality integration. \n Strong debugging, analytical, and problem-solving capabilities. \n Ability to independently manage complex development tasks and technical challenges. \n Good communication, documentation, and collaboration skills. \n Experience in performance tuning and optimization of large, database-driven applications. \n Familiarity with Git, code review practices, and version control workflows. \n Knowledge of web application security and secure development practices. \n Exposure to cloud infrastructure, application deployment, and production 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