Senior Software Engineer

ThreddLondon, United Kingdomlast year

At Thredd, we are seeking a highly skilled Senior Software Engineer with expertise in 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
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

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FAQ

Is the Senior Software Engineer position at Thredd remote?: Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Senior Software Engineer job posted?: This listing was posted on July 10, 2025 and is still open for applications.
How do I apply for the Senior Software Engineer position at Thredd?: Use the apply button on this page — it takes you directly to the employer’s application page.