Manage a team of Data Engineers building scalable data pipelines and cloud-based data platforms using Python, SQL, and Azure/AWS/GCP. You will design robust ETL/ELT processes, data models, and warehouses, enforcing CI/CD and Git best practices.

Design, develop, and implement enterprise-scale data solutions using Snowflake, Python, PySpark, AWS, and Airflow. The role focuses on building scalable, high-performance data platforms and provides technical leadership.

Design, develop, and optimize data pipelines and models using Snowflake, writing complex SQL/PL SQL, with Python, PySpark, and Airflow for ingestion, transformation, and orchestration. Implement scalable cloud data solutions on AWS for enterprise analytics and data warehousing.

The role involves building and maintaining the company’s platforms,

Work with SAP Hybris (SAP Commerce Cloud), Java, Spring Framework, REST APIs, SQL, relational databases, Git, CI/CD, and Agile. Develop and enhance ecommerce platforms for retail clients.

As a Senior Fullstack Engineer, you will use Python and React.js to design and build robust web applications and backend services. You will work within a consulting team at Parser, a firm that helps global organisations with digital transformation, product development and AI enablement.

You'll work with C#, .NET, and Angular as a Lead Full Stack Engineer at an ambitious fintech startup. You'll shape technology and architecture, mentor engineers, and drive the engineering team's growth during an exciting expansion phase.

Lead Full Stack Engineer will work with C#, .Net, and Angular. The role is for an ambitious fintech startup entering a growth phase, where they will influence architecture and mentor engineers. The listing does not specify team size.

Work with Salesforce Lightning, Apex, SOQL, JavaScript, and the Force.com platform, alongside object-oriented programming (Java or C#). Use Git, Jira, IntelliJ, and CI/CD practices, with exposure to Salesforce REST APIs. No specific team or project details are provided.

Java Developer role at Matchtech using Java, Spring Boot, Spring MVC, REST APIs, microservices, SQL, MySQL/PostgreSQL/Oracle, and Git/Bitbucket. The listing focuses on backend or full-stack development requirements but doesn't specify a particular project or team scope.

You'll work with Python and AI tools like Claude, with Ruby as a plus. The role involves backend development focused on geospatial or image processing projects.

Xelix★0.0· London

Python backend development for AI-driven financial controls automating Accounts Payable workflows. The team builds intelligent solutions used by large enterprises to replace manual processes.

The role involves C#/.NET, Java, Python, SQL databases, and cloud platforms Azure or AWS. The company is hiring a Software Developer to apply these skills.

Xelix★0.0· London

Python backend developer for Xelix, building AI-driven solutions that automate financial controls and Accounts Payable workflows for large enterprises. The scale-up company, with 150 people, develops intelligent automation replacing manual processes. No specific frameworks or tools beyond Python are listed in the posting.

Work with Python, SQL, Apache Spark, SQL Server, PostgreSQL, Cassandra, MongoDB, and Cosmos DB to build backend services and APIs, and to handle data lakes and lakehouse architectures.

Lead Software Developer role using Thermo Fisher SampleManager (v12.1/v21.3), VGL, C#, .NET Framework, SQL, REST/SOAP, XML, Oracle, and PostgreSQL. This position is with an IT consulting company specializing in laboratory information management systems integration and customization.

Build enterprise-grade applications using C#, .NET, Azure, SQL, Angular, MVC, and Docker. Collaborate across teams for design, development, code reviews, and troubleshooting, driving continuous improvement.

You will work with JavaScript, Java, .Net, Python, Git, Mercurial, Perforce, Bamboo, Jenkins, TeamCity and Bitbucket. You will join Hackajob Ltd to collaboratively design and build proof-of-concept or production systems.

You will work with Java, Spring Boot, React, Node.js, PostgreSQL, ActiveMQ, and Kafka to build software as part of an agile team. The company operates as a financial services organization.

Design and develop high-performance trading and risk platforms using Java and C++. Requires 5 years of experience and prior work in financial services or trading systems.

Lead Software Engineers and Technical Leads use Python and Django to design, develop, and support scalable backend services for a UK Government digital programme. They work in a multidisciplinary agile team delivering secure, user-focused services, with Technical Leads also providing guidance, mentoring engineers, and shaping architecture.

Wells Fargo★3.6 (48k)· London

You'll work with Python, SQL, cloud and DevOps practices, AI/ML and Large Language Models, plus Axiom ControllerView on the Enterprise Functions Technology team. The role enhances and supports regulatory reporting platforms used by Wells Fargo's Finance Controllers organization.

Nationwide Building Society★3.7 (1.1k)· London

You will work with Python, Azure cloud, machine learning, deep learning (transformers, autoencoders), large language models, Generative AI, Natural Language Processing, and prompt engineering. As part of Nationwide’s AI Centre of Excellence, you will build scalable classifiers, predictive models, and GenAI applications to optimize business decisions and automate processes.

Work with OCaml (functional programming) and Python for data analysis, visualization, and machine learning to design and build systems and tools across the firm—from trading desks and accounting to infrastructure like network monitoring and risk models.

CoreWeave's Inference team builds and operates a Kubernetes-native cloud platform for massive-scale GPU workloads (AI/ML, VFX, rendering, real-time inference). The role works with Go, Python, C++, Kubernetes, and inference frameworks like vLLM, Triton, TensorRT-LLM, Ray Serve, or TorchServe, plus GPU systems (CUDA, NCCL, RDMA). It leads cross-team architecture, routing, scheduling, and performance optimization under P99 SLAs.