Senior Fullstack Java Developer

Onyx-Conseil; Greater London; Hybrid; GBP 60,000 - 75,000; Full time

Job summary

Onyx-Conseil is seeking a Senior Fullstack Software Developer to join its growing fintech team in London. The role focuses on leading the technical arm, delivering high-performance mobile and web apps, and coordinating rapid iterations in an agile environment.

You will work with React, Swift/Objective-C, Java, Rails, Node.js and Angular, driving architecture decisions, code quality and timely releases in a fast-paced setting.

Qualifications

• 5 to 7 years of extensive native mobile app (iOS & Android) and web app development experience.
• Portfolio of released web apps and mobile applications.
• Experience with multi-threaded client software, client-server architecture and scaling systems.
• Experienced in the Software Development Life-cycle (Agile).
• Familiarity with the Financial Information Exchange (FIX) Protocol is a plus.

Responsibilities

• Lead the technical arm of the team in fast iteration cycles with tight deadlines using Agile/Scrum.
• Coordinate, code, develop and document software specifications across the project life cycle.
• Participate in technical, design and architecture discussions with external partners from finance.
• Collaborate with cross-functional teams to meet business requirements and test applications.
• Drive best practices to improve product quality, processes and tooling; fix production issues.

Skills

Problem solving

Communication

Agile

Leadership

Tools

React

Swift

Objective-C

Java

Rails

Node.js

Angular

Xcode

Android Studio

Git

Eclipse

Job description

Senior Fullstack Software Developer

Our Client is a relatively young company but growing quickly in the world of financial technology solutions.

They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise.

The ideal candidate will have great problem solving and communication skills and be comfortable with fast paced design, development and deployment working in an agile environment.

Worked extensively on iOS, Android & web apps and built complex, responsive and sophisticated apps.

We are looking for a smart, innovative technical lead to help us coordinate and drive a project of building a next‑gen high-performance app.

Duties and Responsibilities

Lead the technical arm of the team in a fast iteration cycles, with tight deadlines using an agile/scrum methodology, while ensuring applications meet quality standards

Coordinate configuring, coding, developing, and documenting software specifications throughout the project life cycle (concept, design, build, deploy, test and release to app store; as well as post launch operations such as support, troubleshoot, improvements etc.)

Participate in technical, design, and architecture discussions with external partners from the finance sector

Collaborate with cross-functional teams to determine business requirements, as well as design, develop, and test application code to ensure that business requirements are met

Drive a best practices approach to the continuous improvement of products, processes, and tools. Identify and correct bottlenecks and fix bugs for all production issues

Liaise with product development team to plan new features Research and suggest new mobile products, applications and protocol

Qualifications / Experience

• Highly proficient in React, Swift or Objective C, Java for mobile development; Rails, nodejs and Angular for web development
• 5 to 7 years of extensive native mobile app (iOS & Android) and web app development experience
• Demonstrable portfolio of released web apps, mobile applications on the App store or the Android market
• Experience with multi-threaded client software, client-server architecture and scaling systems
• Experienced in implementation of Methodologies and the Software Development Life-cycle (Agile)
• Fully equipped with development Tools (Xcode, Android Studio, Eclipse) and source control tools (Git, Stash)
• Ability to perform in a team environment
• Knowledge and experience with the Financial Information Exchange FIX Protocol would be handy as well as working with trading or currency exchange technology.

This position is based in the City London.

Salary will be circa £60K - £75K.