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The differences between senior ios developers and bi developers can be seen in a few details. Each job has different responsibilities and duties. It typically takes 2-4 years to become both a senior ios developer and a bi developer. Additionally, a senior ios developer has an average salary of $117,121, which is higher than the $92,647 average annual salary of a bi developer.
The top three skills for a senior ios developer include objective c, objective-c and UI. The most important skills for a bi developer are power bi, dashboards, and ETL.
| Senior IOS Developer | BI Developer | |
| Yearly salary | $117,121 | $92,647 |
| Hourly rate | $56.31 | $44.54 |
| Growth rate | 21% | 21% |
| Number of jobs | 253,460 | 80,610 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 78% | Bachelor's Degree, 66% |
| Average age | 39 | 39 |
| Years of experience | 4 | 4 |
Senior iOS developers are responsible for developing applications for mobile devices powered by Apple's iOS operating system. They must understand patterns and practices revolving around the iOS platform. Part of their responsibility is to identify bottlenecks and fix bugs, ensure the performance and responsiveness of applications, and collaborate with a team to design, define, and ship new features. iOS developers must be familiarized with continuous integration, knack benchmarking and optimization, and have experience in performance and memory tuning with tools.
A BI developer, also known as a business intelligence developer, is primarily responsible for designing and implementing different systems that solve and improve business processes and operations. Their responsibilities revolve around coordinating with department personnel to gather accurate data, performing research and analysis, evaluating and improving existing business systems, and conducting regular inspections, providing corrective measures should there be any issues. Moreover, one must generate reports and maintain accurate data of all processes and transactions, in adherence to the company's policies and regulations.
Senior ios developers and bi developers have different pay scales, as shown below.
| Senior IOS Developer | BI Developer | |
| Average salary | $117,121 | $92,647 |
| Salary range | Between $88,000 And $155,000 | Between $71,000 And $119,000 |
| Highest paying City | San Francisco, CA | San Francisco, CA |
| Highest paying state | Oregon | Washington |
| Best paying company | Rubicon Global | Dropbox |
| Best paying industry | Finance | Health Care |
There are a few differences between a senior ios developer and a bi developer in terms of educational background:
| Senior IOS Developer | BI Developer | |
| Most common degree | Bachelor's Degree, 78% | Bachelor's Degree, 66% |
| Most common major | Computer Science | Computer Science |
| Most common college | Massachusetts Institute of Technology | Massachusetts Institute of Technology |
Here are the differences between senior ios developers' and bi developers' demographics:
| Senior IOS Developer | BI Developer | |
| Average age | 39 | 39 |
| Gender ratio | Male, 89.6% Female, 10.4% | Male, 72.1% Female, 27.9% |
| Race ratio | Black or African American, 4.7% Unknown, 4.9% Hispanic or Latino, 8.4% Asian, 31.9% White, 49.9% American Indian and Alaska Native, 0.2% | Black or African American, 4.2% Unknown, 4.7% Hispanic or Latino, 7.9% Asian, 34.7% White, 48.2% American Indian and Alaska Native, 0.2% |
| LGBT Percentage | 8% | 8% |