Hi! We're looking
for iOS Developers (Swift + Objective C)

Remote
Full-time
$30-60k
4XXI
At 4XXI we have been doing custom web & mobile development for 11 years, mostly for US, UK and European customers. We are developers. We do not like bureaucracy and we do not play politics. We simply do our job and do it well, as our clients all testify. Each product we build we consider as our own.

We have over 80 successful projects in our portfolio, most of which have been written about on TechCrunch, Forbes, Business Insider, NY Times, Wired, etc.

Today we have 3 offices in 2 countries but also consider remote work.
About us
Size
Founded
HQ
51-200
2008
London, England
✨ Job Description
Knowledge, Skills, and Abilities:
• Solid understanding of Cocoa/UIKit frameworks and the iOS SDK;
• Experience of using source control tools in a distributed development environment, while managing conflict and assuring the reliability of the code repositories (versioning, merging, branching, tagging etc.);
• Automated unit testing, build and packaging system experience;
• Experience with client side web technologies (HTML5, CSS, JS, Ajax);
• Advanced knowledge of RESTful API interaction and JSON;
• Ability to do rapid prototyping as well as production-quality code;
• Experience optimizing, refactoring, and debugging views and layout hierarchies with a focus on pragmatic iOS layout development/design including custom themes, styles, attributes, and other resources;
• Experience on build continuous integration platform for delivering iOS app;
• Creative approach to problem solving, innovation and issue resolution;
• Self-motivated and self-managed with a high degree of analytical ability and intellectual curiosity;
• Knowledge and experience of the entire application stack, from mobile app, web app, application logic and SQL;
• Proficiency in the Xcode toolchain;
• Proficiency on Alamofire, Moya and Realm, Have the ability to write private libraries for the company;
• Responsible, trust-worthy personality;
• A demonstrable track record of published, and successful applications;
• Excellent communication skills and the ability to function effectively in a collaborative work environment;
• Solid understanding of algorithms, memory management, MVC programming and concurrent programming;
• Strong experience detecting and correcting memory usage issues, and optimizing code for application performance;
• A solid understanding of operating system fundamentals such as processes, interprocess communication, multi-threading primitives, race conditions and deadlocks;
• 1-5 successful published apps with a large user base;
• Fluent written and spoken English.

Job Expectations:
• Develop, and deploy iOS based applications using Swift and Obj-C / C++;
• Work collaboratively, or in isolation as the situation demands;
• Good agile team player;
• Design, develop and test complete applications and also discrete components of larger apps;
• Build app with remote & distributed data sources and APIs;
• Work with back-end team to design a mobile friendly API;
• Troubleshoot, performance tune and fix crash on production build;
• Work closely with the Product Manager, the Tech Lead and the rest of the mobile team, to continually improve the development process and the product quality;
• Conduct effective code review, contribute to the software architecture, and help to shape the development process;
• Be able to mentor junior developers and help them to improve their skills;
• Work with English speaking colleague;
• Explain technologies and solutions to technical and non-technical stakeholders;
• Modify existing software to correct errors, allow it to adapt to new hardware, or to improve its performance;
• Develop and direct software system testing and validation procedures, programming, and documentation;
• Analyze user needs and software requirements to determine feasibility of design within time and cost constraints;
• The duties and responsibilities described above may provide only a partial description of this position. This is not an exhaustive list of all aspects of the job. Other duties and responsibilities not outlined in this document may be added as necessary or desirable, with or without notice.

Experience Requirements:
• Generally requires a minimum of five (5) years of experience in Swift/Objective C development;
• E-commerce is a plus.

Education Requirements:
• BS Computer Science or related fields required or equivalent experience;
• Master degree preferred.

Benefits:
  • Many complex, interesting projects with different technology stack;
  • English lessons, the opportunity to communicate with distributed teams on the customer side;
  • Professional growth: individual development plans, mitaps, online courses, books to pump up your hard/soft skills;
  • Flexible start of the working day, remote work format is possible;
  • Formalization under Labor Code/PI: paid vacations, sick leave, etc;
  • VHI;
  • The level of pay depends on your skills and experience;
  • Corporate events, PS, board games, etc.
✋ Meet the team
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