Mobile Application Developer

Job Description 

Senior Software Engineer specialized in React Native requires detailing the 

responsibilities, required skills, qualifications, and other attributes. 

 We are seeking a talented and passionate Senior Software Engineer 

specializing in React Native to join our dynamic team.​

 The ideal candidate will have a strong background in mobile application 

development, with a focus on delivering high-quality, user-centric applications 

for both iOS and Android platforms.​

 As a Senior Engineer, you will play a crucial role in the full development 

lifecycle of our applications, from concept to deployment and beyond. 

Key Responsibilities: 

 Design and develop scalable, robust, and maintainable mobile applications 

using React Native.​

 Collaborate with cross-functional teams (UI/UX designers, back-end 

developers, product managers) to define, design, and ship new features.​

 Ensure code quality, organization, and automatization, adhering to best 

practices in coding standards and software design.​

 Participate in full lifecycle of a project, including development, unit testing, 

system testing and change management.​

 Participate in code reviews to maintain high development standards.​

 Troubleshoot, optimize, and resolve issues within the mobile applications.​

 Stay up-to-date with new technology trends, frameworks, and best 

practices in mobile development.​

 Research technical issues and provides recommendations to enhance 

overall performance of the products.​

 Mentor junior developers and contribute to the team’s knowledge-sharing 

efforts. 

Qualifications: 

 Bachelor’s degree in Computer Science, Engineering, or related field.​

 3-4 years of professional experience in mobile application development, 

with a strong focus on React Native.​

 Proven track record of developing and deploying high-quality mobile 

applications on both iOS and Android platforms.​

 Deep understanding of React Native and its core principles, along with a 

proficiency in JavaScript/TypeScript.​

 Experience with state management libraries (e.g., Redux, MobX).​

 Familiarity with Advance topic like RN bridging and integration of native 

module ( Swift and Kotlin)​

 Familiarity with RESTful APIs to connect React Native applications to back-

end services.​

 Knowledge of modern authorization mechanisms, such as JSON Web 

Token.​

 Understanding of mobile app design guidelines (iOS Human Interface 

Guidelines and Material Design).​

 Experience with automated testing suites, like Jest or Mocha.​

 Excellent problem-solving, critical thinking, and communication skills. 

Educational Qualifications 

Bachelor’s degree in Computer Science, Engineering, or related field 

✓ Prior experience in multi-screen User Interface/User

Experience in product design and development.

✓ Very strong knowledge in

• Software design, design patterns, architecture

and best practice

• UI technologies and frameworks

o ES6 JavaScript / TypeScript

o ReactNative/ReactJS – including modern

concepts of Server rendering, React

server components, Server actions.

o Redux

o CSS - Responsive design

• Android/iOS native development experience

• Agile & DevOps methodologies (Scrum, SAFe

frameworks)

• Testing- Unit, Functional & performance

Experience

Roles and Responsibilities:

Perform detailed feature requirements analysis along with a team of Senior Developers, 

define system functionality, work on system design and document the same

● Design/Develop/Improve Cogno AI’s backend infrastructure and stack and build fault￾tolerant, scalable and real-time distributed system

● Own the design, development and deployment of code to improve product and platform 

functionality

● Taking initiative and giving ideas for improving the processes in the technology team 

would lead to better performance of the team and result in robust solutions

● Writing high-performance, reliable and maintainable code

● Support team with timely analysis and debugging of operational issues

● Emphasis on automation and scripting

● Cross-functional communication to deliver projects

● Mentor junior team members technically and manage a team of software engineers

● Taking interviews and making tests for hiring people in the technology team

What do we look for?

The following are the important eligibility requirements for this Job:

● Bachelor's or Master's degree in computer science or equivalent.

● 5+ years of experience working as a software engineer, preferably in a product-based 

company.

● Experience working with major cloud solutions AWS (preferred), Azure, and GCP.

● Familiarity with 3-Tier, microservices architecture and distributed systems

● Experience with the design & development of RESTful services

● Experience with developing Linux-based applications, networking and scripting.

● Experience with different data stores, data modelling and scaling them

● Familiarity with data stores such as PostgreSQL, MySQL, Mongo-DB etc.

● 4+ years of experience with web frameworks (preferably Django, Flask etc.)

● Good understanding of data structures, multi-threading and concurrency concepts.

● Experience with DevOps tools like Jenkins, Ansible, Kubernetes, and Git is a plus.

● Familiarity with elastic search queries and visualization tools like grafana, kibana

● Strong networking fundamentals: Firewalls, Proxies, DNS, Load Balancing, etc.

● Strong analytical and problem-solving skills.

● Excellent written and verbal communication skills.

● Team player, flexible and able to work in a fast-paced environment.

● End-to-end ownership of the product. You own what you develop.

You will:

• Be passionate about building great software products 
• Be passionate about building and leading a great software development team
• Thrive in leading innovation as well as day to day execution and problem solving in a fast paced cutting edge technology environment. 
• Be responsible for ensuring the on time, on budget and high quality delivery of digital entertainment products and cloud systems that are used by millions of consumers
• Partner with cross functional and cross cultural  teams including designers, architects, project managers, QA engineers, third party systems providers and customers to meet company business objectives
• Retain and spread organisational knowledge through documentation, best practices and training
• At all times consider how to engineer software solutions the right way for high performance and for future maintainability instead of taking shortcuts 
• Contribute to product roadmap and improvement of development methodologies 
• Be proactive and be alert for potential organisational, process and technical issues before they arise.

You have:

• Experience in recruiting, motivating, managing and retaining a high performing software engineering team that evolves and improves its knowledge over time
• Understanding of quality processes required to ensure delivery of best possible software products every release
• Hands-on development experience and ability to lead your team at a code / architecture level 
• Experience with react , Kotlin and optionally swift.
• A solid grasp of Agile software development and deployment lifecycle on multiple consumer devices, cloud services and physical servers in data centers
• Experience with Git based source code management, Continuous Integration and JIRA configuration / task management 
• Good understanding of latest internet technology stacks on both client and server side
• Good understanding of tools / best practices for integration, security, scalability, high availability, performance, monitoring, logging and error handling
• Good understanding of digital media domain systems including one or more of the following: video workflow, video delivery, DRM, content management, ecommerce,  payments, data analytics and consumer device platforms
• 3 or more years of experience of managing software engineering teams
• 6 or more years of hands on enterprise / service provider grade development experience 
• Self motivation and ability to manage your own time and your team’s time to get the job done at the high international quality levels that we expect
• An engineering Degree in computer science or equivalent practical experience
• Prior experience working within the Media, E-commerce, Telecommunications or similar large scale consumer facing industry

• Work closely with the Delivery Manager and Sales team to understand client and project requirements and define the scope of the project.
• Prepare test strategy to deliver to the agreed scope within agreed timelines and budgets.
• Work with Delivery Manager and Resource Management Group to build the necessary team, either from the available internal pool or support hiring.
• Work with the Delivery Manager to develop the testing strategy.
• Understand the project delivery governance framework and ensure test planning, execution, and closure are done in accordance with the delivery framework.
• Prepare test plans to include timelines for activities and key milestones.
• Lead a team of 4-5 test engineers and work alongside test architects and SMEs.
• Work allocation to team members and monitoring performance and ensure completion of tasks by team members to agreed timelines.
• Coordinate system/application understanding sessions for team members with relevant client team member(s).
• Work with test architects to design, develop and maintain test automation framework, where required.
• Develop test automation suites, along with team members.
• Review output of team members for test coverage (functional) and in case of test automation framework and suites, review for adherence to good and efficient coding practices and coding standards, reusability, avoid redundancy and duplicity.
• Raise PRs and check-in code and in the process resolve any conflicts and sync issues.
• Ensure efficient versioning and maintenance of test automation code.
• Assist in troubleshooting and resolving technical and non-technical challenges and blockers faced by team members.
• Coaching and leading in practices like Pair Programming, Test-Driven Development (TDD), Behaviour-Driven Development (BDD), Continuous Integration (CI), Continuous Delivery (CD).
• Be the go-to person / first point of contact for any project-related queries or concerns, for both client and internal stakeholders.
• Preparation and distribution of periodic project progress mails and reports to the client and internal stakeholders.
• Risk management – early identification of risks and mitigation, and where required invoke relevant and timely escalation and support.
• Preparation and/or review of documentation, required across all phases of the project.
• Mentor and guide team members in helping them grow professionally.
• Provide feedback about team members to the Delivery Manager for periodic performance appraisal.

Qualification and mandatory experience

• Graduate or Post-graduate, an engineering graduate is desirable but not mandatory.
• Minimum 7 years of total experience in manual and automation testing of which at least 3 years as a hands-on Test Lead with proven experience of leading at least a 3-member team.

Mandatory Skills

• Knowledge of software QA methodologies, processes, and tools for manual and automation testing.
• At least 3 years proven experience of leading a minimum 3-member team in manual and automation testing.
• Experience of working in an Agile environment and delivering in sprints.
• At least 3+ years designing, developing, and maintaining Test Automation frameworks and solutions across various technology stacks and applications for web, mobile, API, and data validation.
• Expert level experience in at least one programming language, Java is preferable but not mandatory
• Expert level experience in debugging.
• Expert level experience in developing web UI test automation suite using Selenium or mobile UI test automation suite using Appium.
• Expert level experience in developing API test automation suite using Rest Assured.
• Raise PRs and merge test automation code.
• Knowledge of CI/CD tools and pipelines.
• Experience in at least one build tool like Jenkins, Maven or Gradle and setting up a build pipeline and integrated testing.
• Code management using Github or SVN.
• Test and defect management using JIRA or any other tool.
• Preparation of test documentation across various phases
• Preparation and distribution of periodic progress reports to internal and external stakeholders
• Excellent verbal and written communication are quintessential.

Desirable Skills

• Junit and TestNG for unit testing.
• Espresso for Android app automation.
• XCUI test for iOS app automation.
• Experience in non-functional testing, e.g., load/soak/performance, security, and accessibility, by using standard and new testing techniques.
• Experience in testing applications across eCommerce, banking, and fintech domains.