Sr React Developer - Equities - Vice President

Next Frontier Capital; Greater London; On-site; GBP 80,000 - 110,000; Full time

Job summary

TwinThread is looking for a Senior Lead Software Engineer in Greater London. In this role, you'll be part of an agile team enhancing and delivering technology products. Your responsibilities include providing technical guidance, developing secure production code, and influencing product design.

The ideal candidate should have over 5 years of applied experience in software engineering, advanced knowledge of programming languages, and familiarity with cloud technologies. This position emphasizes inclusion and diversity across the team.

Qualifications

• 5+ years of applied experience in software engineering.
• Hands-on experience in system design, application development, and operational stability.
• Ability to work independently on design and functionality problems.

Responsibilities

• Provides technical guidance to support technical teams and contractors.
• Develops secure production code and reviews others' code.
• Influences product design and technical operations.

Skills

Software engineering concepts

System design

Application development

Cloud technologies

React 17+

High-frequency data handling

Application profiling and tuning

Education

Computer Science, Computer Engineering, Mathematics

Job description

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.

As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Drive significant business impact through your capabilities and contributions, and apply deep technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications.

Job responsibilities

• Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and vendors
• Develops secure and high-quality production code, and reviews and debugs code written by others
• Drives decisions that influence the product design, application functionality, and technical operations and processes
• Serves as a function-wide subject matter expert in one or more areas of focus
• Actively contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle
• Influences peers and project decision-makers to consider the use and application of leading-edge technologies
• Adds to the team culture of diversity, opportunity, inclusion, and respect

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and 5+ years of applied experience
• Hands‑on practical experience delivering system design, application development, testing, and operational stability
• Advanced in one or more programming language(s)
• Advanced knowledge of software applications and technical processes with considerable in-depth knowledge in one or more technical disciplines (e.g., cloud, artificial intelligence, machine learning, mobile, etc.)
• Ability to tackle design and functionality problems independently with little to no oversightPractical cloud native experience
• Experience in Computer Science, Computer Engineering, Mathematics, or a related technical field

Preferred qualifications, capabilities, and skills

• Expertise in React 17+ and modern front‑end development practices
• Experience with AG Grid or similar advanced data grid libraries
• Proven ability to optimize web applications for performance and responsiveness
• Familiarity with handling high-frequency data updates in UI applications
• Strong understanding of application profiling and tuning techniques
• Knowledge of AI integration or cloud technologies, especially AWS
• Experience working in fast‑paced, agile environments within financial services

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.