First Base Jobs

Senior Python Developer (PYTHON/REACT/AWS/AZURE) - is required by fast growing and highly successful technology consultancy.They are looking for a talented individual who will design, implement, and maintain their complex software, systems, and customer-facing digital products.RequirementsDesign and implement systems and software to meet requiremen...

Would you like to join an established FinTech company with strong growth opportunities? Youll be joining a stable software engineering team supporting a well-established product - no firefighting required. This is a US-headquartered multinational FinTech company with a modern office in Belfast, offering a hybrid working model (2-3 days per week in ...

Are you an experienced React Native developer looking for some genuinely interesting problems to get your head around?I'm hiring for a high-performing scale-up based in Bristol (mostly remote) who are building a suite of SaaS tools for an industry which has long been ripe for modernization.What do they need from you?Proven experience developing app...

Senior Developer (Integrations) (ML13310R) - Bath, BA2 7AY Are you a creative developer who enjoys working on integrations? Do you enjoy designing and supporting integrations that connect enterprise systems and improve how organisations use data? We have an exciting opportunity for a Senior Developer (Integrations) to join the University of Bath’s...

Senior Java Developer | Belfast | £65,000-£80,000Senior back-end developer role within a newly established Belfast trading technology hub Java-focused; real-time exchange connectivity, event-driven architecture, distributed systems Small founding team of 4 engineers; site lead already in place (placed by Ocho) £65,000-£80,000 | Belfast based Ground...

Senior .Net Developer | London/Remote | £60,000 - £70,000C# | .Net | React | AI | Edtech | GCP | Google Cloud Platform | LLM | Looking to join a company with AI at the core of their identity? Want to have influence across a whole Engineering function? I am supporting a brilliant a Google backed Edtech startup which has built a data platform which e...

Senior .Net Developer | London/Remote | £60,000 - £70,000C# | .Net | React | AI | Edtech | GCP | Google Cloud Platform | LLM | Looking to join a company with AI at the core of their identity? Want to have influence across a whole Engineering function? I am supporting a brilliant a Google backed Edtech startup which has built a data platform which e...

Senior .NET Developer is required by fast growing and highly successful technology consultancy.(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, React, TypeScript, Programmer, Full Stack Engineer, Architect, .NET Developer)They are looking for a talente...

🌍 Lead Python Developer – Climate Tech👥 Non-Profit | Major Philanthropic Backing | Real Engineering Problems📍 London (Hybrid, 2/3 days per week)🔧 Python, FastAPI, PostgreSQL, GCP, DockerI'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of...

🌍 Lead Python Developer – Climate Tech👥 Non-Profit | Major Philanthropic Backing | Real Engineering Problems📍 London (Hybrid, 2/3 days per week)🔧 Python, FastAPI, PostgreSQL, GCP, DockerI'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of...