12 of 12 Unit Testing Jobs in the City of London

performance tuning of existing payment engines. Collaboration & Delivery Partner with Business Analysts and Product Owners to translate business requirements into technical designs. Support unit testing, SIT/UAT , and post-production validation. Document technical solutions, workflows, and system interfaces. Participate in agile ceremonies — sprint planning, backlog refinement … Exposure to cloud environments (AWS, Azure, or GCP) and containerization tools ( Docker, Kubernetes ). Working knowledge of CI/CD pipelines, Jenkins, Git , and unit testing frameworks (JUnit, Mockito) . Prior experience integrating with payment hubs (VolPay, Finastra, FIS, or Temenos) preferred. Understanding of security principles , OAuth2/ ...

implementation of new plants and trading structures associated with a Diageo production managed by a third party. The role ensures seamless system design, integration, testing, and cutover execution across multiple SAP modules and connected systems. Key Responsibilities Technical Design & Configuration Design, build, and configure SAP solutions to support … onboarding of third‐party manufacturing related to Santa Vittoria. Collaborate with functional teams and process owners to translate business requirements into robust SAP solutions. Testing Ownership Define, prepare, and execute unit testing and regression testing. Support integration testing across SAP and connected platforms. Document test results ...

Good understanding of Containers, Microservices, and Functional design patterns. Experience working with Agile delivery processes. Experience with Terraform for infrastructure-as-code. Experience with Unit Testing, preferably with PyTest. Desired Skills and Experience: HTML/CSS React Typescript Experience using the FastAPI framework Roles and Responsibilities: Work ...

Working across the full software development lifecycle in an Agile environment • Collaborating with product and technical teams to shape and refine requirements • Contributing to testing, documentation and ongoing improvements across the team What we’re looking for • Expert in modern front-end tech - Vue (mandatory), React/Angular (nice … will be a small part of the role but necessary • Experience working with component based development and design systems • Strong understanding of REST APIs, unit testing and Git • Experience with SQL, EF Core or Dapper • Experience working with UX and design tools such as Figma or Adobe ...

Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement rigorous CI/CD, unit testing, and data reconciliation frameworks to ensure "penny-perfect" accuracy. Technical Stack Engine: PySpark (Expert), Python (Clean Code/SOLID principles). ...

apps). Proficient in SQL Server (T-SQL) and Oracle (PL/SQL) . Knowledge of application deployment and environment maintenance . Experience in unit testing, QA , and documentation . Ability to troubleshoot across servers, databases, and distributed environments. Desirable Financial services or enterprise BI experience. Familiarity with ...

consuming GraphQL and RESTful services to power rich user experiences. Rapidly shaping UI concepts through prototypes and iterative design. Ensuring reliability through comprehensive unit testing and a strong focus on performance optimisation. Enhancing, maintaining and supporting existing features with robust monitoring and alerting. Collaborating with cross-functional teams ...

Engage in business data analysis to inform application design and development. programme in Visual C#.NET while utilising both Oracle and SQL Server databases. Conduct unit testing and ensure quality assurance (QA) for all developed applications. Implement solutions in production and disaster recovery environments, providing support to users. Prepare ...

implemented in C#, Java and KDB+. The FX business is looking to improve their electronic footprint by leveraging KDB+ to determine client toxicity, back-testing and parameterisation of trading strategies, real-time generation of key technical indicators, etc. The role is within a small team focused on pricing … support the growing KDB+ footprint within the bank. Participate in the development of all aspects of product delivery including design documents, functional specifications, unit testing and component build. Provide technical assistance and 3rd line support to internal KDB+ Production Support teams. Participation in software releases which ...

local data storage (e.g. UserDefaults, basic persistence). Fix bugs, improve performance, and help keep the app stable and responsive. Write and maintain basic unit tests with XCTest, with guidance from senior engineers. Apply clean architecture ideas (MVVM, basic dependency injection) under mentorship. Participate in code reviews, stand … above degree in Computer Science Nice to have Exposure to patterns like MVVM, MVVM‐C, or similar architectures. Any experience with dependency injection, unit testing, or CI tools. Interest in healthtech, AI, or LLM‐powered products. Experience shipping an app (even a simple one) to TestFlight ...

components for operational tooling, visualisation and configuration layers Collaborate with architects, engineers and aviation domain specialists to enhance FMS capabilities Conduct code reviews, debugging, unit testing and performance optimisation across backend and UI layers Contribute to cloud‐enabled and AI‐driven advancements within the FMS technology ecosystem Ensure ...

bringing cutting-edge research into production. Work with clients to translate insights into actionable strategies that drive growth. Implement production-level coding practices, including unit testing and documentation. Communicate complex technical concepts to non-technical stakeholders. What We’re Looking For 3+ years’ experience working with Python ...