Mid Developer jobs in Rainham

As a Lead Python Developer at Fundment, you’ll lead a pod of 3 - 4 engineers, including yourself, combining hands-on development (around 50% of your time) with technical leadership. You’ll drive execution, uphold delivery quality, and ensure the team builds reliable, maintainable systems that serve

Senior Software Developer | £500 - £600 We're working with a global energy transformation leader with a 150-year legacy of innovation on this exciting opportunity. We are looking for a heavy-hitting Senior Developer who can bridge the gap between complex finance logic and high-performance Ruby on Ra

Senior Web Application Developer | £425 - £538 We're working with an international travel and holiday e-commerce leader on this exciting opportunity. They are a major player in the global leisure market, currently modernizing their digital landscape to support high-traffic booking platforms and rich

We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high-performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close collaboration with business stakeholders - particularly w

We're on a mission to create a global movement of climate action. We make climate action easy, fun & social. We are global network of highly skilled developers, activists and professionals - all on a mission to help solve the greatest threat of humankind! Join us! , Hi! We’re making an environme

As a Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functiona

Job Description Join the team behind iconic brands like Huggies®, Kleenex®, Andrex®, Scott®, Kotex®, Poise®, and Kimberly-Clark Professional®. At Kimberly-Clark, it’s all here for you—innovation, growth, and the chance to make a real impact. You were made to create Better Care for a Better World: ex

We are looking for a Java Developer with experience in capital markets and risk systems , working on backend services, APIs and data processing components supporting trading, risk calculations and reporting. Key Responsibilities Develop and enhance Java-based backend applications for trading and ris

Senior Frontend Developer Location: 3 days p/week in central London Salary: Up to £110k plus equity Senior Frontend Developer – Would you like the opportunity to work for a fast-growing, venture-backed startup who are building a modern platform for AI workflows and data? Their product helps engineer

Software Developers with an interest around modern Azure PaaS/SaaS offerings are wanted by an established FinTech software company, who build risk assessment products for the Insurance, ReInsurance and Pensions markets. The business is already a well established leader within their domain. However,

Full Stack Developer - SC Cleared | £480 - £525 We're working with a leading specialist in secure public sector digital transformation on this exciting opportunity. Are you a security-cleared developer who thrives in fast-paced, high-impact environments? We are looking for a Python and React expert

We are seeking a Java Developer to join our FIF team. In this role you will assist in development and delivery of software solutions while collaborating with peers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives. To

Role Overview We are seeking a Senior Java Developer to join our Core Platform Team. This role is critical to building and maintaining the scalable backend infrastructure of our Live Casino platform, ensuring it can support high-concurrency gameplay, real-time interactions, and a distributed microse

Brand New - Software (Applications) Developer - Leading Law Firm DVF are currently supporting a leading Law Firm look to hire a Software (Applications) Developer , to support the development across high performance web and client applications. My client are looking for individuals with: Hands on: .N

Back End Developer Placement Programme We're working with a leading UK tech talent accelerator and CompTIA Gold Partner on this exciting opportunity. This programme is specifically designed to bridge the UK skills gap by transforming ambitious beginners into industry-ready developers through intensi

About Us We are a UK-based health technology company and technical custodian of a leading open-source electronic patient record (EPR) platform used across NHS Trusts, private providers, and international healthcare systems. Our platform supports mission-critical clinical workflows and is delivered a

We are looking for a Java Developer with experience in capital markets and risk systems , working on backend services, APIs and data processing components supporting trading, risk calculations and reporting. Key Responsibilities Develop and enhance Java-based backend applications for trading and ris

Type: Remote | Salary: Competitive salary An innovative organisation in the financial services space is looking for a Graduate Software Developer. This is an excellent opportunity for a recent graduate to join an Agile team and receive comprehensive training in modern development technologies. What

**Python Developer London** £900 - £1000pd We are seeking a highly motivated Software Engineer to join a high-performing team building next-generation trading and risk systems. This role offers end-to-end involvement across the software development lifecycle, including the development of major green

Full Stack Developer - .Net React | £50,000 - £75,000 We're working with a dynamic logistics technology innovator on this exciting opportunity. They are launching a major digital transformation to bring their core engineering in-house, offering you the chance to be a founding member of a high-impact