backend java developer jobs in Croydon, London

Backend Developer (Contract) Start Date: ASAP Contract Length: 12 months Rate: Up to £570 per day inside IR35. Location: Mostly remote, with occasional travel to Croydon Clearance: SC Clearance required About the Role - We're looking for an experienced Backend Developer to join a high-impact project delivering scalable, reliable backend services. You'll work with modern Java-based technologies...

About TriloDocs Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying. TriloDocs is a growing company at the intersection of technology and life sciences. We help pharma and healthcare organizations transform scientific data into clear, structured documents. Our team is passionate about creating intuitive, reliable tools that...

About Webigence and Spark Travel Is this your next job Read the full description below to find out, and do not hesitate to make an application. Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is...

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. Are you the right applicant for this opportunity Find out by reading...

Multi-Agent LLM Systems Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below. Remote (MUST BE IN EUROPE) We're partnering with a venture-backed startup led by a founder who has built and taken two technology companies to IPO, now assembling a world-class team to tackle one of the most impactful problems in applied...

Vice President of Engineering Make sure to apply quickly in order to maximise your chances of being considered for an interview Read the complete job description below. Location: Remote (Ideally need to be based in the UK) Salary: £140,000–170,000 base + equity + benefits About the Company Join a Series A–funded digital asset risk-management platform backed by Microsoft, Coinbase, Samsung,...

Founded by Paul Anthony, creator and co-founder of Primer (Series B, $425M valuation), Colossal is building at the intersection of generative app development and commerce infrastructure. Think: Lovable for commerce, but for non-developers. Read on to find out what you will need to succeed in this position, including skills, qualifications, and experience. We're backed by Tier 1 investors:...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will design, develop, and maintain our platform's backend infrastructure, focusing on multi-tenant architectures, security, and efficient LLM integration. This role requires a strong understanding of Python web frameworks, cloud services (particularly AWS), and modern AI approaches including working with agentic architecture.

Senior ML & AI Engineer Below covers everything you need to know about what this opportunity entails, as well as what is expected from applicants. Remote (Bath office 1 day per month) Up to £80,000 About the Role We're partnered with a fast-growing tech startup focused on how brands and retailers use data. Their AI platform brings together data science, immersive visualisation, and...

At Orange Logic, we've been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We're not just building powerful software—we're building a team of...

You will help define and document data standards, technical specifications, and integration pathways to improve customer outcomes and drive innovation.

You will contribute to high-impact customer and partner projects across the Alliance, helping shape the future of Janes technical estate—including our graph knowledge-base, intelligence products, and supporting infrastructure.

Empowering the World. One Trader at a Time. Remote Options Trading Job at Maverick Trading Company Overview Maverick Trading, a 26-year old proprietary trading firm is looking to hire experienced and entry-level equity and equity and option traders. We are a global team, united by the common goal of financial excellence. Our culture? Relaxed but ambitious. Our passion? Trading. Join us and...

Empowering the World. One Trader at a Time. Entry Level Equity Trader at Maverick Trading Company Overview Maverick Trading, a 26-year old proprietary trading firm is looking to hire experienced and entry-level equity and equity and option traders. We are a global team, united by the common goal of financial excellence. Our culture? Relaxed but ambitious. Our passion? Trading. Join us and...

Role: Front End Application Developer Location: Croydon (1 day per week onsite) Duration: 6 Months Day rate: £520 - £570 Inside IR35 Clearance: SC clearance required Role Overview We are looking for a skilled Front-End Application Developer to join a fast-paced engineering team working on modern, user-focused web applications. This role is hands-on and delivery-driven, with a strong...

Location: Croydon Job Type: Contract Industry: Digital Workspace Job reference: BBBH426793_1761926207 Posted: 18 days ago Job Title: Full Stack Developer Max rate: £550p/d via Umbrella Clearance required: SC Duration: 4 Months Location: Croydon (Mostly Remote) Job Description: Senior Engineer with either full stack (Java/React/Node.js) or backend (Java and ideally Kafka) * Experience of...

Empowering the World. One Trader at a Time. Remote Options Trader at Maverick Trading Company Overview Maverick Trading, a 26-year old proprietary trading firm is looking to hire experienced and entry-level equity and equity and option traders. We are a global team, united by the common goal of financial excellence. Our culture? Relaxed but ambitious. Our passion? Trading. Join us and trade...

Empowering the World. One Trader at a Time. Remote Foreign Exchange Trader Job at Maverick Trading Company Overview Maverick Trading, a 26-year old proprietary trading firm is looking to hire experienced and entry-level equity and equity and option traders. We are a global team, united by the common goal of financial excellence. Our culture? Relaxed but ambitious. Our passion? Trading. Join us...

Empowering the World. One Trader at a Time. Remote Independent Trader at Maverick Trading Company Overview Maverick Trading, a 26-year old proprietary trading firm is looking to hire experienced and entry-level equity and equity and option traders. We are a global team, united by the common goal of financial excellence. Our culture? Relaxed but ambitious. Our passion? Trading. Join us and...

Empowering the World. One Trader at a Time. Remote Options Trader at Maverick Trading Company Overview Maverick Trading, a 26-year old proprietary trading firm is looking to hire experienced and entry-level equity and equity and option traders. We are a global team, united by the common goal of financial excellence. Our culture? Relaxed but ambitious. Our passion? Trading. Join us and trade...