Aleksei User

AU

Open to opportunities

Aleksei User

@alekseiuser4

I build polished iOS applications and scalable Go backend services.

What I'm looking for

I'm looking to build seamless, innovative mobile experiences where elegant design meets efficient functionality, while contributing iOS and Go backend expertise to robust, scalable products.

I'm currently building mobile and backend solutions at Sarafan Mobile Limited, where I've worked since 2020 across full-time and part-time roles.

I craft seamless iOS experiences using Swift, Objective-C, UIKit, and SwiftUI, with experience in REST APIs, Core Data, Core Animation, MVVM, and user-focused interface design. I also build robust backend services in Go using gRPC, microservices, Docker Swarm, and operational tooling.

Before Sarafan, I developed iOS applications for EXANTE, a next-generation investment company, from 2017 to 2022. Earlier at Indev Group, I worked across both iOS and Android development.

My engineering background also includes PCB design, firmware for MSP430, STM8, and STM32 microcontrollers, web interfaces, and Android applications at Intemsys. I enjoy bringing elegant design and efficient functionality together in mobile products.

Experience

Work history, roles, and key accomplishments

SL

Current

Software Engineer

Current

Sarafan Mobile Limited

Jul 2022 - Present (4 years 2 months)

Developing iOS applications with a focus on seamless user experiences and robust backend solutions.

iOS SwiftUI REST APIs Core Animation User Experience (UX)Core Data Swift Docker Swarm Ops gRPC Microservices

EC

iOS Developer

EXANTE — Next Generation Investment Company

May 2017 - Jun 2022 (5 years 1 month)

Worked as iOS Developer at EXANTE — Next Generation Investment Company.

Git iOS C Build Automation Swift BASH Objective C Python Core Animation Algorithms

IG

iOS Developer

Jul 2015 - May 2017 (1 year 10 months)

Worked as iOS Developer at Indev Group.

Git REST APIs iOS Swift BASH Objective C Python Core Animation Core Data

IG

Android Developer

Sep 2014 - Dec 2015 (1 year 3 months)

Worked as Android Developer at Indev Group.

Java Git JavaScript BASH Android Python

IN

Engineer

Jan 2012 - Aug 2014 (2 years 7 months)

PCB designing
Development of firmware for microcontrollers MSP430, STM8 and STM32
Development of web interfaces
Developing applications for Android

Java Git JavaScript PCB Design C BASH Android Python

Education

Degrees, certifications, and relevant coursework

SU

Saratov State Technical University

Master's degree, Robots and Robot Systems

2013 - 2015

SU

Saratov State Technical University

Engineer, Robots and Robot Systems

2008 - 2013

Tech stack

Software and tools used professionally

Docker Swarm

UIkIt

JavaScript

Java

Objective-C

SwiftUI

iOS

gRPC

Core Data

Core Animation

Bash

Android

Availability

Open to opportunities

Location

United Kingdom

Authorized to work in

Job categories

iOS Developer Software Engineer Backend Engineer Android Developer Embedded Systems Engineer iOS Developer Mobile IOS Developer iOS Development Native iOS Developer IOS Software Development IOS Mobile Development

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