Senior Fullstack Developer - Capital Markets/Cryptocurrencies

Job Location



Type of Job

Published Date

24 July 2021, 17:00:00

London, South East England

About the job

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Our client is a London headquartered company that are a provider of institutional-grade exchange services intended to facilitate the trading of cryptocurrencies and digital assets.

An opportunity has arisen for an experienced Senior Fullstack developer to help implement the software platform for a new digital asset exchange; focused on an institutional client base. The ideal applicant will bring previous experience of developing scalable mission-critical financial systems, working with global teams, ensuring best practices, and staying within agreed project timelines.

As a Senior Developer, you will make recommendations for tools, maintenance, and testing strategies and assist with creating a maintainable application landscape alongside other Developers, Leads, and Architects.

Working for this employer as they experience continued growth you will have a unique opportunity to enhance and develop your career working on high profile projects with like-minded and skilled colleagues who are as passionate about providing best in class expertise as you are.


The Senior Fullstack Developer is expected to significantly impact and drive the software development function by developing and maintaining applications that map our current business requirements to end-to-end technology solutions.

Key accountabilities include:

Analyse, design, develop, test, and deploy applications with a clean-code approach;

Research new technologies, multi-tasking on multiple projects with other team members;

Follow software development processes and coding conventions, using Agile/SCRUM principles and working closely with other team members, Leads, Scrum Masters, Architects, and Testers;

Break down detailed specifications and implement technical requirements based upon the needs of the company and its clients;

Troubleshoot issues in a timely manner in a highly scalable development environment;

Contribute ideas to improve process and development practices;

Join all required SCRUM meetings with stakeholders and product/business owners, ensuring all relevant information to the team and project are shared and discussed;

Support and coordinate with other team members and our clients.

Salary is commensurate with the seniority of the position c £80,000 + DOE. There is some potential for remote working, but you will ideally be able to commute to the London office on a regular basis. If you have the experience and skills outlined we would like to hear from you.


The Senior Fullstack Developer should have excellent technical knowledge in analysing, developing, testing, and deploying solutions and their experience should include the following:

  • The ideal candidate will have a degree relevant to Information Technology/Computer Science, Engineering (or equivalent) and at least 5 years of relevant work experience;

  • Proven success and expertise in developing innovative solutions and proof-of-concepts both internally and externally;

  • Proven experience estimating, scoping, and writing effective statements of work that clearly set expectations and limit risk for development tasks in tandem with the Development Leads, Architects, and Scrum Masters;

  • Proven experience producing well designed, testable, efficient code using best software development practices;

  • Excellent technical knowledge in developing solutions using Microservices and Node/Typescript/React;

  • Excellent technical knowledge in developing solutions with Messaging architecture (ZeroMQ/Pub/Sub/WebSockets/Protobufs);

  • Excellent technical knowledge in developing solutions with MySQL;

  • Excellent technical knowledge in developing solutions with containerized technologies (Docker/Kubernetes) and understanding of CI/CD and DevOps secure practices;

  • Excellent knowledge of Cloud and in particular AWS, ideally with experience in banking/fintech sectors and industries;

  • Demonstrated capabilities in developing an understanding of the customer business value associated with the deployment of modern financial productivity, system-to-system, and end-user applications;

  • Proven experience working within a software development team, mentoring and offering advice, having passion about development, and engendering a collective mentality;

  • Excellent communication and documentation skills;

  • Excellent English language skills (both spoken and written).

  • It would be nice to have additional technical understanding in the following areas:

  • Has previously worked in the financial service industry and has experience with capital markets and trading software solutions;

  • Understanding in implementing blockchain solutions;

  • Has previously worked with Electron;

  • Has previously worked with multi-threaded real-time/low latency systems;

  • Understanding of application architecture including the use of cloud-based technology capabilities such as AWS Blockchain/Lambda/Beanstalk/Serverless, Application Life Cycle Management and Application Platform processes and technology capabilities, Data and DB Management using NoSQL/MySQL, Caching, and application middleware architectures.


£80,000 - £90,000 per annum, negotiable

About us

Financial Careers Ltd is recognised as one of the Financial Services industry’s fastest-growing recruitment agencies. With nationwide coverage, we have the capacity to build meaningful, long-lasting relationships with our clients and candidates. We are dedicated to providing you with sound career advice, finding solutions and solving recruitment problems.

​We specialise in recruiting for the Financial Services industry and cover a wide range of roles and skillsets. Including, but not limited, to Financial, Mortgage Advisers, Paraplanners, Administration, Sales, Executive Support, Marketing, Operations, Compliance, Pensions, Employee Benefits, Business Development, IT, Digital, Project Management, and Business Transformation.

We cover permanent, contract and interim positions. Whether you are a client or a candidate, we pride ourselves on being honest, realistic and straightforward to deal with.

All of our consultants have many years of recruitment experience and excellent knowledge of the UK Financial Services industry. Please get in contact with us today.