Senior Software Engineer (London)

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At Thredd, we are seeking a highly skilled Senior Software Engineer with expertise in C# and Python to join our dynamic team in the fintech sector. The ideal candidate will be responsible for developing and delivering innovative issuer processing solutions using cloud-based technology. This role involves working closely with cross-functional teams to design, build, and implement new capabilities that enhance our service offerings.

What You'll Work On

• Design and develop robust, scalable, and secure applications using Python and C#
• Leverage existing cloud-based technology to build and deploy applications that meet the needs of the card issuing market.
• Collaborate with Product Managers, UX/UI Designers, Solutions Architects, and other Engineers to define requirements, create software architecture, and deliver high-quality solutions.
• Implement automated testing and deployment strategies to ensure reliability and efficiency in the software delivery process.
• Optimize applications for maximum speed, scalability, and security.
• Stay abreast of emerging trends and technologies in cloud computing and issuer processing to drive continuous innovation and improvement.
• Provide technical leadership and mentorship to junior engineers, promoting best practices in software development.
• Troubleshoot, debug, and upgrade existing systems, ensuring high performance and responsiveness to requests.
• Participate in code reviews, contributing to the maintenance of high coding standards and improving the overall quality of the codebase.

Technical Skills And Experience Needed

• Proven experience with cloud-based technology, and services, preferably within AWS.
• Expertise in both Frontend and Backend software solution development
• Experience with Agile development methodologies and SecDevOps practices.
• Excellent knowledge of secure coding practices inline.
• Strong knowledge of databases, SQL, and NoSQL, as well as data structures and algorithms.
• Excellent problem-solving skills and the ability to work in a fast-paced, evolving environment.
• Strong communication and collaboration skills, with the ability to articulate technical concepts to non-technical stakeholders.
• A commitment to continuous learning and improvement, both in personal capacity and within the context of the team.
• Prior experience with payment systems, transaction processing, and financial software development, encryption, and cryptography would be advantageous.
• Python and Supporting Frameworks
• React and Supporting Frameworks
• Rest APIs, Graph QL
• Databases: MS SQL Server, Dynamo DB, MySQL, Postgres (others advantageous)
• ORMs: Entity Framework, Dapper
• Queuing\Streaming: RabbitMQ, Kafka
• Design Tools\Techniques: C4 Modelling, scenario trace diagrams
• Microservice Architecture, Containerisation, Event Driven Systems
• Cloud Services: API Gateway, k8s, Serverless (Preferably AWS)
• Unit Testing Using: XUnit, NUnit
• Logging\Observability: Serilog, Coralogix, ELK
• Jenkins\Bitbucket Pipeline, Octopus, Sonar Cloud

A Bit About Us

Thredd is the trusted next-gen payments partner for innovators looking to modernise their payments offering. Certified by Mastercard, Visa and Diners & Discover, we process billions of debit, prepaid, and credit transactions annually, supporting consumer and corporate fintechs, digital banks, and embedded finance providers across the globe. Our unique offering is our client-centric approach, combining hands-on support with modern, reliable, and scalable technology. Our assured solution accelerates the development and delivery of consumer and corporate payments components embedded within digital banks, as well as for expense management, B2B payments, crypto, lending, credit, Buy Now Pay Later, FX, remittance, and open banking innovators.

• Seniority level
  Mid-Senior level

• Employment type
  Full-time

• Job function
  Engineering and Information Technology

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