Skip to main content

iOS Engineer

00070799231

iOS Engineer

We are looking for an iOS Engineer to develop and enhance mobile applications used by millions of customers worldwide. We are seeking someone with strong technical expertise and creativity, who enjoys solving complex problems and working with innovative technologies. The ideal candidate is proactive in sharing ideas, passionate about delivering exceptional user experiences, and committed to writing clean, maintainable code.

You will work in a fast-paced, collaborative team environment, partnering with designers, product owners, QA engineers, and software engineers to build and improve mobile features and capabilities. You should be familiar with modern iOS development practices and comfortable working in an agile environment where rapid iteration, experimentation, and problem-solving are encouraged.

Key Responsibilities

  • Design, develop, and maintain high-quality iOS applications.
  • Collaborate with cross-functional teams to deliver new features and enhancements.
  • Write clean, efficient, and maintainable code while continuously improving existing solutions.
  • Participate in code reviews and contribute to engineering best practices.
  • Troubleshoot, debug, and resolve application issues.
  • Contribute to CI/CD pipelines and automation initiatives.
  • Optimize application performance, reliability, and scalability.
  • Work with both modern and legacy codebases as required.
  • Design solutions for complex and open-ended business challenges.
  • Develop and maintain unit and integration tests to ensure software quality.

Required Experience & Skills

  • Experience building and maintaining iOS applications.
  • Strong proficiency in Swift and iOS development frameworks.
  • Experience with build tools such as Tuist, xcodebuild, GitHub Actions, and CircleCI.
  • Understanding of Continuous Integration and Continuous Delivery (CI/CD) practices.
  • Strong debugging and problem-solving skills.
  • Knowledge of functional programming concepts and patterns.
  • Experience with performance analysis and optimization.
  • Ability to work with and modernize legacy Objective-C code.
  • Experience writing unit and integration tests.
  • Familiarity with open-source technologies and practices.
  • Experience working within globally distributed teams.
  • Strong self-management, organization, and time management skills.
  • Experience integrating mobile applications with backend services and APIs.
  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Technologies & Tools

Candidates may have experience with some or all of the following technologies:

  • UIKit
  • MVVM Architecture
  • REST APIs
  • RAML API Documentation
  • Danger
  • μFeatures Architecture
  • Swift
  • Objective-C
  • GitHub Actions
  • CircleCI
  • XCTest / XCUITest
  • Tuist

Additional eligibility requirements:

· Candidates must currently reside in the UK.

· Candidates must be available to start within 4 weeks of receiving an offer.

Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Applicants for US based positions must be currently authorized to work for any employer in the United States. The company is unable to provide employment-based immigration sponsorship for US based positions.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

About Cognizant: 
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

a blue line drawing of a plant with leaves

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Stay Healthy Midnight Blue RGB

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

Build The Career You Want Midnight Blue RGB

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

Making A Meaningful Impact Midnight Blue RGB

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

a person sitting at a table using a laptop

Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

a person holding a tablet and talking on the phone

Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

a person smiling at a table with a laptop

Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

a group of people sitting around a table

Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

a person in a blue jacket
Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.
Debashish Mishra SAP MM Developer
2
Cognizant offers me more than a job; it offers a community. We support each other, collaborate across borders and celebrate wins together. If you’re looking for a culture that values flexibility, diversity and growth, this is the place to be.
Laura Reynaud Lead Counsel
a person with long hair wearing a pink shirt
When I first joined, I was quiet and hesitant to share my thoughts. The leadership programs and the mentoring I’ve received have helped me find my voice and grow as a leader.
Sujatha Gopalakrishnan Portfolio Delivery Lead
4
I’ve had the chance to work on impactful projects and shadow colleagues, all while getting involved in internal initiatives. The world is your oyster at Cognizant—you just need to take advantage of it!
Lucas Hoffman Consultant

Haven't yet found the right opportunity?

Get the latest updates on job opportunities, recruitment events and company news—tailored just for you!

Be in the know