Sony Music Entertainment★4.2 (454)· London

Use Python, JavaScript/TypeScript, React, GraphQL, REST APIs, SQL/NoSQL databases, and AWS Cloud. Build products for Sony Music's PDEGO team that empower artists and record labels globally. Work with distributed systems, microservices, and

Lead a Data Platform organisation for a high-growth consumer ecommerce brand, managing three direct reports and multiple engineering teams. You will work with Snowflake, dbt, and AWS, overseeing platform reliability, vendor relationships, and strategic delivery.

You'll work with Java 17+, Python, Spring Boot, Oracle SQL, document-store DBs, Kubernetes, Jenkins, and GitHub Copilot. The team builds mission-critical systems providing end-to-end visibility into payment lifecycles for an investment bank. You will mentor junior engineers and lead code reviews.

Work with Python (C++, Rust, or Go for latency-critical paths), AWS, Terraform, PostgreSQL/TimescaleDB, Kafka, Redis, ClickHouse, and Grafana/Prometheus/Loki. You own the production infrastructure for a stealth systematic trading and AI research lab building low-latency decision engines that operate in live markets.

LMAX Group★0.0· London

Develop high-performance data pipelines and real-time streaming systems using Python, Terraform, Ansible, Kubernetes, Kafka, and SQL. You will build and scale data infrastructure to support business intelligence initiatives for LMAX's Forex and digital currency trading platforms.

You will use .NET C#, LINQ, MS SQL, Entity Framework, GIT, REST APIs, Docker, and Agile methodologies to design, build, and debug web and mobile applications. You will join the TransPerfect TechOps team, which delivers the company's GlobalLink platform and related client interfaces.

You will work with Rust, Python, Java, Go, C++, and a distributed systems stack involving edge computing, low-bandwidth radio links, and air-gapped networks. This company builds AI software that turns unstructured sensor data into real-time intelligence for semi-autonomous platforms. You will set technical direction across multiple teams.

You'll work with TypeScript, Python, Playwright, Cypress, WebdriverIO, Node.js, Docker, and GitHub Actions/GitLab CI to build and maintain test automation frameworks and CI pipelines for Connected TV devices. You'll join FX Digital's Quality Engineering team, taking ownership of automation platform pieces and mentoring junior engineers—no prior TV experience required.

Meta★4.0 (1.1k)· London

Business Support Engineer supporting Meta's Business Agent, an AI platform helping businesses boost productivity. Work with Python, PHP/Hack, JavaScript/React, REST APIs, SQL, PyTorch, Llama and other LLMs, plus cloud infrastructure (Kubernetes, Docker). Provide engineering support, troubleshoot distributed systems, and build AI solutions from prototype to production.

You'll work with Java, Python, JavaScript and Agile methods to design, build and test software. The Engineering Platforms team delivers a modern software development tools chain for engineers across NatWest Group.

You'll work with SQL, NoSQL, ETL tools (Luigi, Airflow, Argo), relational and cloud databases (Azure/AWS), Flask/Django, Docker, and optionally Apache Spark, Hadoop, and Kafka. Solirius Reply, a technical consultancy embedded in client organizations across public and private sectors, needs a Data Engineer to design data pipelines, build schemas and models, maintain ingestion systems, and collaborate with data scientists and stakeholders on data quality and machine learning enablement.

Build backend databases in SQL Server and Azure, build machine-learning models in Azure, Microsoft Fabric and Alteryx, and develop front-end apps using Python, SQL, C#/.NET and JavaScript for the SMDAM Private Markets team. The role drives private credit data infrastructure end-to-end, extracting insights from text to power deal-sourcing and monitoring across the entire private credit lifecycle.

Work with AWS, Docker, Kubernetes, CI/CD pipelines, infrastructure-as-code, and Python/Go/Ruby/JavaScript. You will support Digital Engagement products and help build the AI Platform at SBS, a global fintech partner for banks and financial institutions.

You will work with Java, SpringBoot microservices, Linux, OpenShift, Gradle, Git, CI/CD, and Docker/Podman. The Technology Application Strategy team builds productivity and tooling solutions to streamline workflows for Citi’s global developer community.

You will work with scripting languages, pipelining tools, and machine learning, focusing on adversarial robustness, data influence, watermarking, and GenAI audio/video models. The team accelerates research on trustworthy, robust ML, including the provenance of synthetic media and data trustworthiness, with SynthID as a public example.

Work with Java, Spring Boot, React/Angular, RESTful APIs, microservices, Kafka or RabbitMQ, CI/CD, and AI-assisted engineering tools to lead software implementation for Vodafone's cloud-native digital products and platforms. This senior hands-on role guides engineers

You will develop neuro-symbolic AI architectures for Project SENTINEL, an Innovate UK grant-funded initiative building provably safe guardrails for autonomous systems. Your daily work involves Python and ML libraries (PyTorch, TensorFlow, scikit-learn) to design deep learning models, NLP systems, and scalable ML pipelines for production deployment.

You'll work with Python, FastAPI, TypeScript, React, and GCP to design services, data models, and APIs. Electric Twin builds a behavioral simulation platform that creates "digital twins" of populations to predict human behavior, already used by major organizations. You'll join a high-caliber team of 17, owning complex systems from design to deployment.

Research Engineer role at Electric Twin, a London AI company building LLM-powered synthetic populations for behavioral prediction, using technologies like chain-of-thought prompting, RAG architectures, multi-agent tool use, Python, and FastAPI. You'll design memory systems and decision-making frameworks within the Science team, running experiments to validate agent behavior against real-world data.

Work with Vue.js, React, or Angular, JavaScript, HTML/CSS, and Figma. You will implement features and build reusable UI components for TransPerfect's TechOps team, which delivers workflow tools and client interfaces for the GlobalLink platform.

You'll build end-to-end features for &Dine's food marketplace using Vue.js/Nuxt.js, Node.js, TypeScript, MySQL, Docker, and AWS. The platform connects independent Makers with customers seeking handmade food. You'll be part of a lean engineering team of four, owning from design to deployment and mentoring junior engineers.

Junior AI Engineer role at NEWTO TRAINING LIMITED involves no specified technologies, tools, or frameworks in the listing. The company focuses on training and welcomes career changers with no prior experience; no team size or project details are provided.

You will work with Java, React, and DevOps automation to build scalable, cloud-native applications for critical business services. The role focuses on delivering high-quality software across front-end and back-end technologies in a financial services environment.

Infosys★3.8 (17k)· London

Lead Consultant role at Infosys, based in the Netherlands, working with .Net and WPF technologies. The listing focuses on Infosys’ corporate culture and career growth rather than a specific project, team size, or product details. No additional technical tools, project scope, or team leadership specifics are provided.

You will work with Java, C#, modern cloud and DevOps tools to build scalable, high-performance applications. The team designs and develops these applications in an Agile environment, collaborating across functions.