React and Node software development

Natwest / RBS

Worked in the mPlatform Development team responsible for building and running the middle tier services that provide functionality and connectivity into the core banking systems within the RBS Group. 
Built Java micro-services utilising the Vertx Framework and deployed across AWS Infrastructure using Terraform. Developed the back-end services for the Personal and Business Banking mobile applications across the RBS retail brands representing daily volumes of between 5-7 million logins per day and peak loads of 12-15k logins per minute. 


Java Developer

Elwood Technologies

Elwood Technologies is a fast-growing, London-based fintech, building digital assets trading infrastructure for institutional investors. Its seamless end-to-end platform connects to global crypto exchanges, custodians, and liquidity providers, via a single Application Programming Interface (API). 
Built market connectors for various exchange (Coinbase, Okex and Tagomi) and internal monitoring (audit and risk management). Elwood platform is mainly in GoLang with Python and SQL. 
-	Primarily responsible for trade support in crypto products covering Spot, Futures, Perpetual Swaps, Options and Loans.
-	Configuration of Client funds and books and account set-up, including compliance rules.
-	Maintain the reference data around new exchange product setup and commission schedules.
-	Building risk reports for clients and internal use.
-	Assist in gathering and/or reviewing client's process requirements and assisting on architect design decisions with the rest of the team.
-	Operating and analysing continuous monitoring tools in performing ongoing monitoring tools of Elwood infrastructure.


Backend Engineer

Haruko

Haruko is an easy-to-use platform that gives institutional investors the levels of insights, control, and compliance they demand when trading digital assets. 
Primarily responsible for building API & real-time frameworks for coalescing connectivity across exchanges. 
-	Responsible for building the internal development framework on which the system was built.
-	Built WebSocket integrations and live price sourcing on both DeFi & CeFi.
-	Reverse engineering defi & crypto protocols and building institutional views on the most popular DeFi protocols (Aave, Curve, Uniwap, Solana & Serum etc).  


Senior Java Developer

The BBC Accounts team are responsible for the day-to-day management of online users including the most common workflows (sign in/ password recovery and access across devices). These services are responsible for millions of requests per day.

My function was to rebuild the backend around user password management as well as move to a new in house user token management system. These were mostly typescript / java micro services hosted in AWS.

Lead cross-functional teams across front-end, backend and QA/Security teams as well as extensive input into overall system architecture. 

Java & Go Development, Backend Engineer

Java Services

Publicis Media Group

Developing Publicis next gen ad campaign and analytics portal - called growth OS

Publicis Growth OS

MoD (sub contractor of Monitor IS)

Development of MoD incident reporting and learn system called : DURALS

MoD DURALS reporting web system

Johnson Controls

Developing JCI's next generation fire panel management software

Consys - Next gen fire panel management software

Full stack software engineer

Applause

- Developing new product features for the high-volume single page application applying knowledge of Java 11, Node.js and Angular.
- Improved web application performance and UX with migrating 90% of the codebase from Angular.js to Angular 11 and leveraging its optimization potential.
- Reduced web application tech debt by moving deprecated midtier backend calls to dedicated app BFF and upgrading codebase to Typescript.
- Optimized web development lifecycle by migrating two web applications from their own repositories to central web-app monorepo.
- Increased chat application unit test coverage from 21% to 78%.
- Moved platform application queue traffic from AWS SQS to RabbitMQ resulting over 30% cost reduction spent on external queue service.

Full Stack Developer

EY GDS

- Developing new and customization of the existing features for the multi purpose web application using Java and Angular 7. Focused on document automation module.
- Improved developer and end user experience migrating UI from Thymeleaf to Angular.
- Integrating with third-party services and external APIs as a part of implementation of the critical backend component providing authentication feature with SAML2 protocol.
- Participating in peer code reviews for the mission-critical online service maintaining code and design consistency across different team members.

BDSolutions

- Design and implementation of Godly mobile application with strict cooperation with the UX and graphics department.
- Setup the processes of releasing and distributing the application to the Google Play store.

Mobile Developer

X-Trade Brokers

- Initiative and implementation of an application for managing client content and application translations, which resulted in the possibility of changing application translations at any time and synchronization between environments.
- Modernized key web application for customers by updating web technologies from jQuery / Velocity to Angular.js resulting in increase in user retention.
- Introduced two-way communication using Websockets to a critical web application, which allowed the client to be informed about the status of his operations in real time.
- Increasing the productivity of Java programmers by introducing the JRebel tool to reload the code without restarting the application.
- Design and implementation of new cross-system functionalities in cooperation with other project teams.
- Performing the role of the technical leader of the team during the last months of work.
- Monitoring, troubleshooting, debugging and bug fixing of the applications.
- Integration with several online payment providers, providing customers with additional channels for card payments or using banking systems, which translated into an increase in the amount of deposits in transaction accounts and the company’s profit.
- Integrating with internal services and APIs (i.e. CRM or trading system) as a part of
implementation of the mission-critical backend application for processing client account related operations resulting in shortening the time of creating an account by over 90%.
- Developing and maintaining internal libraries and API clients.
- Introduced a system of calculating commissions on deposits made, which allowed to reduce the cost of servicing payment systems.
- Performance tuning of the business-critical application database for asynchronous
processing using Hibernate improving query execution time by 30-60% and overall system response time.
- Design, implementation and deployment of a central client database, which allowed to reduce data duplication among the internal systems.
- Creating internal tools for monitoring the activity of logged in users with the use of JMX.
- Experimenting with front-end frameworks for business-critical accounting application that helped to boost project development efficiency.
- Using tools for static code analysis and elimination of blocker, critical, and major issues from critical business application.
- Mentoring and couching newly hired team members and juniors resulting in over 50% of onboarding time decrease.

Software Developer

Xentivo

- Preparation of the MVP application for submitting electronic applications for funding under the European Entrepreneurship Development Program.
- Developing new and customization of the existing features for the document management application based on open source NuxeoDM and commercial Documentum platforms.
- Coordinated with engineering and product teams in the identification of customer requirements for the document management application.
- Conducting training on the use of the application for end users.
- Preparation and implementation of a demo application for potential clients.

Java Programmer

Fullstack developer

Senior Java developer | Lead Java Developer | SAP COmmerce cloud Developer

Public Sector Company

Sedex

Developing B2B web app to enable supply chain companies to do business in ethical way 

Full stack development and IT Consultancy 

Redrock Consulting / Kanios / Land Registry

Lead several teams on 2 major order management projects to create an external facing customer product to capture applications to amend or create land registers.

 Digital Registration Service

IOTEC Global

Technical lead of infrastructure and continuous delivery team. Designed and built the continuous delivery pipeline and infrastructure as code for numerous cloud-based AWS clusters.

Expert Software Engineer

Land Registry

Head of Practice for Software Engineering.
Implemented common coding standards and guidelines across the organisation.
Designed and built common components used by 20+ teams.
Coached and mentored on coding, automated testing, continuous delivery, software architecture and design

Lead Software Engineer

Lead teams on many successful business critical and transformational projects.
Designed software architecture and actively developed throughout the period.
 Built continuous integration and delivery pipelines

Expert, freelance Java engineers