Glasswall★0.0· London

You'll work with C++, C#, Python, Assembly, and tools like static/dynamic analyzers, debuggers, disassemblers, detonation chambers, and agentic AI. As a Senior Security Researcher on a small team, you'll investigate threats to Glasswall's Content Disarm and Reconstruction technology through vulnerability research, penetration testing, and malware analysis.

PlayStation★3.8 (164)· London

Design, build, and optimize data ingestion, transformation, and enrichment pipelines using SQL, Snowflake, Python, and REST APIs. You will join the Security Data Analytics team at PlayStation, developing data products and pipelines that help Information Security teams understand security posture and risk trends. This is an individual contributor role; no team size is stated.

NatWest Group★3.7 (1.2k)· London

You will work with GitLab, Artifactory, Ansible Automation Platform, Kubernetes, ArgoCD/Flux, and cloud-native technologies. You will lead the Engineering Platforms team delivering modern software development tools for over 25,000 engineers across the bank, shaping the CI/CD strategy, observability stack, and automation frameworks.

SBS★4.2 (6)· London

You'll work with AWS, Docker, Kubernetes, and CI/CD pipelines, using IaC, scripting languages like Python/Go, and monitoring/logging tools. You will build and maintain cloud/container infrastructure and automation for SBS’s Digital Engagement products (web, mobile, banking capabilities) and its AI Platform, supporting reliability and scalability in a regulated industry. This is a hands-on role collaborating with product engineering, AI, and platform teams.

You'll work with GitLab, Artifactory, Ansible Automation Platform, Kubernetes, ArgoCD/Flux, and cloud-native technologies. As a Principal Engineer in the Engineering Platforms team, you’ll deliver a modern software development toolchain for over 25,000 colleagues across the bank, coordinating multiple feature teams and defining architecture for end-to-end automation and scalability.

This role involves building data pipelines, Snowflake data models, and automation using SQL, Python, Java, or R, with practices like version control and CI. The engineer joins Sony Interactive Entertainment's Security Data Analytics team, supporting Information Security with analytics-ready data and AI-enabled workflows.

You will support a low-latency Cash Equities trading platform using Unix/Linux, Python, Bash, Go, Dynatrace, Prometheus, and Grafana. The team provides Level 1/2/3 production support directly alongside front office traders, quants, and developers for a global investment bank.

You will work with Snowflake, SQL, Python/Java/R, REST APIs, JSON/XML, and dbt. The Security Data Analytics team builds data pipelines, models, and automation to turn security signals into analytics-ready data for Information Security teams. This is an individual-contributor backend data engineering role.

NatWest Group★3.7 (1.2k)· London

You'll work with Cisco and Arista platforms, VxLAN, EVPN, Cisco Meraki, and multicast protocols to engineer and automate enterprise network infrastructure. This role supports NatWest Group's digital transformation, building secure, scalable network solutions for its financial services environment.

Design software using Java, C#, Python, JavaScript, TypeScript, or Go, with REST APIs, microservices, SQL databases (PostgreSQL, SQL Server, MySQL, Oracle, MongoDB), and cloud platforms (AWS, Azure, GCP). You will build enterprise applications and business-critical services across the full development lifecycle.

You will work with AWS (WAF, CloudFront, CloudTrail, GuardDuty, Secrets Manager), WorkOS/AuthKit, and CI dependency-audit tools. The team builds Palette, an urban-planning platform for biodiversity and resilience gain, owned by Kew Reach (a joint venture with Royal Botanic Gardens Kew). This is a founding sole platform-engineer role, reporting to the CEO.

Work with Cisco and Arista platforms, including VxLAN, EVPN, Meraki, and traditional enterprise networking, plus automation and infrastructure as code. You'll engineer enterprise network solutions for NatWest Digital X, ensuring security, resilience, and operational requirements.

Lead engineering teams using AWS, GCP, or Azure, plus JavaScript, Java, or .Net with full-stack frameworks, Agile, CI/CD, and infrastructure-as-code. The role drives digital transformations by delivering enterprise-grade cloud-native applications and bridging client business objectives with technical capabilities.

Work with Python, Flask/FastAPI, PostgreSQL, MySQL, MongoDB, Redis, Docker, Jenkins or GitLab CI/CD, Linux shell scripts, and Git. Build and maintain automation solutions, REST APIs, and tooling for large-scale telecom network operations, supporting 5G and enterprise platform testing and monitoring.

Bloomberg★3.8 (1.1k)· London

You will work with Go and C++ on Vitess, MySQL, MyRocks, and RocksDB, alongside Python for automation and analysis. Your team builds Bloomberg’s distributed OLTP storage platform, operating over 10,000 MySQL shards to serve critical financial data with low latency.

Bloomberg★3.8 (1.1k)· London

You will work with Go, C++, Python, Vitess, MySQL, MyRocks, RocksDB, and InnoDB. The team builds Bloomberg’s distributed OLTP storage platform, operating over 10,000 MySQL shards to serve critical financial data and building custom read/write APIs. The role covers the entire storage fleet at thousands-of-shards scale.

Work with Python, GitLab CI/CD, Helm, ArgoCD, Terraform, Kubernetes, OpenShift, AWS, Docker, Bash, and Go to build CI/CD pipelines and manage infrastructure as code. This free 16-week course prepares candidates for a DevOps role with one of the company's clients.

Platform Engineer role at Freetrade, working with Google Cloud infrastructure, Kubernetes, serverless, Terraform, and Node.js (TypeScript). The Platform Engineering Team builds foundational CI/CD pipelines, logging, observability, and security systems to support product, frontend, and data engineering teams.

Build and streamline CI/CD pipelines using GitLab CI/CD, Helm, ArgoCD, and Terraform. Containerise and migrate workloads into Kubernetes and OpenShift, automating with Bash, Python, or Go across hybrid cloud environments (AWS, IBM Cloud, GCP, or Azure). You will complete a free 16-week course to develop mid-level skills before a potential client role.

Work with Google Cloud, Kubernetes, serverless, Terraform, Node.js (TypeScript), and CI/CD pipelines. You'll join the Platform Engineering team at Freetrade, an investing platform, to treat the platform itself as a product—building the foundational infrastructure, observability, and security that Freetrade's own engineers rely on to ship.

Lead Cloud Engineers at Made Tech use AWS, Azure, GCP, Terraform, CloudFormation, Docker, Kubernetes, CI/CD, and languages like Python, Bash, and JavaScript. They help public sector organisations design, implement, and maintain secure, scalable cloud infrastructure. The role includes line managing and mentoring junior colleagues.

You will work with AWS (serverless, Bedrock), TypeScript/JavaScript, Infrastructure-as-Code (Terraform/CDK/CloudFormation), CI/CD, and API design. The Commerce & Technology division designs and builds cloud applications for global brands, specializing in agentic AI platforms and emerging Agentic Commerce standards.

You'll work with AWS, GCP, SIEM, EDR, DLP, MDM, Python, Go, and TypeScript. Risk Ledger builds a network for supply-chain organisations to share security maturity and visualise risks. You'll mature security operations, detection, incident response, and cloud security across cloud, endpoint, and SaaS environments.

Design, build and operate highly available database platforms using PostgreSQL, SQL Server, MySQL, CockroachDB, and automation with Python, Terraform and Ansible on Linux, Kubernetes and AWS. The platform engineering team supports large-scale engineering workloads across on-premise and cloud infrastructure.

You'll develop high-assurance software using C++, Java, C#, Python, JavaScript, PowerShell, and Linux/Windows, with CI/CD and source-control tooling. The team delivers mission-critical cyber capabilities for UK national security programs, including secure-systems development, vulnerability research, and reverse engineering. No team size is stated.