Full-Time

Lead React Native Developer

Confirmed live in the last 24 hours

ION Group

ION Group

5,001-10,000 employees

Automation technology for financial sector

Fintech
Financial Services

Senior, Expert

London, UK

Hybrid position in London.

Category
Frontend Engineering
Mobile Engineering
Software Engineering
Required Skills
Agile
GraphQL
React Native
Requirements
  • 10+ years working in mobile UI development, 5+ years of commercial-grade React Native development experience. Experience with other hybrid mobile frameworks is not required, but would be helpful.
  • Solid skills interacting with multiple types of API formats, preferably REST and GraphQL, but additional skills with Websockets, SSE, RPC would be desired.
  • Contribute to the design process from gathering requirements, planning and ideating from the start of a project.
  • Demonstrate an understanding of user behavior and how to tailor web experiences to meet the needs of users. Document and share learnings with the broader team.
  • Work with designers and other partners to collaborate on design & wireframing and take responsibility for delivering high-quality implementations.
  • Working knowledge of the general mobile landscape, architectures, trends and emerging technologies.
  • Experience with Agile development methodologies.
  • Strong interpersonal and organizational skills.
  • Demonstrable team leadership experience.
  • Knowledge of, and strong demonstrated interest in, global financial markets and financial products is a strong plus.
  • Bachelors or Masters in Computer Science, Engineering, Physics, Math, or related work experience.
Responsibilities
  • You will build applications that push the envelope when it comes to throughput, latency, resiliency, all the while making sure that we deliver on-time and within budget.
  • **Technical Vision and Strategy**: Develop and communicate a clear technical vision and strategy for building mobile experiences within the organization. Lead the architectural design and evolution of web experiences to support our growth and innovation goals.
  • **Team Development**: Lead the development of the engineering teams skillsets and growth. Provide continuous support for engineers, allowing the whole team to be productive and execute on the vision that you help define.
  • **Software Development Leadership**: Maintain hands-on involvement in software development, setting best practices, and ensuring high standards of quality. Mentor and guide the development team in implementing complex mobile UI concepts and efficient coding techniques.
  • **Architecture and System Design**: Craft robust, scalable, and flexible mobile application architectures that support the needs of the business while accommodating future growth and technologies. This includes ongoing iteration of the target state architecture based on feedback and learnings.
  • **Technical Innovation**: Identify and evaluate new technologies, tools, and practices that can enhance the organization's data capabilities. Lead the adoption of cutting-edge mobile UI technologies, such as code quality tools, static analysis, build time optimization, and run time monitoring.
  • **Collaboration and Influence**: Work closely with product owners, data specialists, and cross-functional teams to align technical solutions with business needs. Influence decision-making at the highest levels of the company with your technical expertise and vision.
  • **Performance and Scalability Optimization**: Ensure data systems are optimized for performance and scalability. Conduct code reviews, system simulations, and performance testing to identify bottlenecks and improvement opportunities.

ION Group specializes in automation technology tailored for the financial sector, primarily serving institutional clients like investment banks, asset managers, and brokers. The company provides advanced software solutions that enhance trading, processing, and risk management activities in global financial markets. ION's products include sophisticated software platforms and APIs that enable clients to connect seamlessly to various trading venues and exchanges, ensuring efficient and accurate transactions. Unlike many competitors, ION stands out by continuously acquiring entrepreneurial firms, which allows it to remain agile and responsive to market changes. The company's goal is to enhance efficiency and reduce operational risks for its clients through innovative automation technology.

Company Stage

Growth Equity (Venture Capital)

Total Funding

$426.5M

Headquarters

London, United Kingdom

Founded

1998

Growth & Insights
Headcount

6 month growth

-2%

1 year growth

3%

2 year growth

10%
Simplify Jobs

Simplify's Take

What believers are saying

  • ION's partnerships, such as with Abaxx Commodity Futures Exchange, enhance their market reach and technological capabilities.
  • The integration of fixed income solutions with XTP Execution demonstrates ION's commitment to expanding connectivity and improving client access to various markets.
  • Recognition in prestigious lists like the FinCrimeTech50 and awards for innovation highlight ION's industry leadership and potential for continued growth.

What critics are saying

  • The highly competitive financial technology sector requires constant innovation to maintain market position.
  • Integration challenges from frequent acquisitions could lead to operational inefficiencies and cultural clashes.

What makes ION Group unique

  • ION Group's focus on automation technology specifically tailored for the financial sector sets it apart from more generalized software providers.
  • Their strategy of acquiring entrepreneurial firms allows ION to remain agile and responsive to market changes, unlike larger, less flexible competitors.
  • ION's comprehensive suite of APIs and software platforms ensures seamless trading and processing, providing a competitive edge in efficiency and accuracy.

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Benefits

Health, dental, and vision insurance

AD&D and disability insurance

Flexible spending account

Health savings account

Life insurance

Mental health care

401K plan

Performance bonus

Supplemental workers' compensation

Family medical leave & parental leave

PTO, paid holidays, sick days, bereavement leave, and volunteer time off

Commuter checks

Company social events

Employee assistance program

Free lunch

mobile phone discount