Jobs for java backend developer at London

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development,...

Exp: 10+ yrs Location: London Role: Full life cycle engineer JD: 5+ years hands-on software engineering experience delivering production systems in an enterprise or regulated environment. Strong proficiency in Java (17+) and Spring Boot, building microservices at scale. Solid experience with at least one front-end framework — React or Angular preferred...

We are looking for a talented and experienced full stack developer with experience in Finance process within Investment banking for one of our global investment banking clients Primary task would be to Design and develop responsive, high-performance front-end applications using React 18 and TypeScript for trading desks and risk reporting teams. Build and...

Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with...

Sr. Developer - Application Development JAVA NReady to turn bold ideas into real-world impact?At Genpact, we don't just adapt to change, we lead it. AI and digital innovation are transforming the way businesses work, and we're at the forefront of it. Genpact's AI Gigafactory, our industry-first accelerator, exemplifies how we scale advanced technology...

AI is being run everywhere, by humans and agents. Harmonic Security governs all of it. The AI Governance and Control (AIGC) platform understands user / agent intent and data context in real time, giving security teams visibility and control across every tool and workflow so companies can move faster with AI while minimizing risk.We operate in one of the...

Backend Engineer - Contacts Team Full-time Compensation: GBP 68,000 - GBP 87,500 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving...

We’re hiring a Senior Backend Engineer to help build a brand-new product that will transform how finance teams operate. This isn’t incremental feature work, you’ll be helping to remove deeply manual processes and replace them with intuitive, scalable solutions used by 7,000+ businesses worldwide. If you’re motivated by ownership, real customer...

Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. Client Details Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. Description Design and...

hackajob is partnering directly with Version 1 to hire for this role.Company Description Version 1 has celebrated30 yearsinbusinessand continues to be trusted by global brands to delivertechnology and transformationsolutions that drive customer success. Ourdeepexpertiseenables our customers to navigate the rapidlyevolving technology landscape. We foster...

Spectrum IT are seeking an experienced Contract Software Engineer to join a leading business and technology consultancy client. The role will support a Central London end client (Soho) on an initial 6-month contract, with 1 day onsite per week in London. The role is inside IR35.You will lead design and development of software solutions, collaborate with...

Who We AreAt JD.com, also known as JINGDONG, we are building one of the world’s most trusted technology and supply chain ecosystems. What started as a bold idea in China has evolved into a NASDAQ-listed, Fortune 44 global enterprise serving over 700 million active customers. Powered by advanced logistics, innovative technology, and a commitment to...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team...

About ARQARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challenges,...

This is an opportunity to work at the heart of a world‑class investment platform where risk, technology, and quantitative thinking intersect in real time. You’ll be building and owning systems that directly support portfolio managers and senior risk leaders, in an environment that values engineering excellence, speed, and thoughtful design. If you enjoy...

hackajob is partnering directly with Solirius Reply to hire for this role. About Us: Solirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our...

Role: Technical Lead - Java Location: London Area, United Kingdom (Hybrid) Employment Type: Full-time Seniority: Technical Lead Salary: 90,000 + BonusAre you a hands-on Java Technical Lead with experience delivering AI-powered solutions at scale?We're looking for a Technical Lead - Java (AI Enabled) to drive the architecture, development, and delivery of...

Purpose of the Role To design, develop and improve software, utilizing various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Experience Required 10-15+ years of experience in backend development.Basic / Essential Qualifications Proficiency in full-stack development with hands-on...

At Too Good To Go, we have an ambitious mission: to inspire and empower everyone to fight food waste together. More than 1/3 of all food produced in the world is wasted. And that has a huge impact on the health of our planet. 10% of greenhouse gas emissions come from food waste and loss. Through our marketplace app, we connect businesses that have unsold,...

Company Description Company DescriptionPublicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and Zenith, as well as global accelerator PMX; immersive experience group PMCI and access to integrated platform-based technologies...