Wise★3.5 (42)· London

Lead a growing Solutions Engineering team in EMEA, providing technical consulting and product guidance to top-tier banks integrating Wise’s international finance products via REST API. Work with RESTful design, OpenAPI, OAuth2, and microservice architecture to architect integrations and influence the product roadmap.

DeepL★3.8 (4)· London

You'll work with C# / .NET, RESTful APIs, distributed architectures, and optionally React/TypeScript, plus MCP, CLIs, OAuth, and AI coding tools. You join the API Enterprise team, which builds enterprise adoption features (usage insights, cost controls, RBAC, compliance, data residency) for DeepL's Language AI API platform.

As an Enterprise Sales Engineer, you will use Neo4j and the Cypher query language, Terraform for IaC, REST APIs, Apache Kafka/Confluent, plus Python, JavaScript, React and Go. You will be a trusted technical advisor, guiding enterprise customers through deploying the client’s platform for secure, governed AI, and will partner with Sales, Customer Success and Partner teams. The listing does not specify team size.

Sovos★3.3 (105)· London

Design and build Snowflake architecture and dbt model infrastructure for the topline financial data chain (billing, ARR, revenue recognition) at Sovos, a global tax compliance leader. Use advanced SQL, dbt, and optionally Python, Azure/AWS, and MCP to deliver production pipelines that support FP&A, Accounting, and AI consumers through financial close.

Design and build the Snowflake schema and dbt model architecture for the financial data pipeline, owning ingestion, transformation, and close-ready outputs for FP&A and Accounting. You will also extend dbt models for OPEX, COGS, and commissions, and integrate CRM/ERP systems like NetSuite or Salesforce. This role supports Sovos’ global tax compliance platform.

Work with Golang, Kubernetes, gRPC, RESTful APIs, HashiCorp Vault, and cloud-native tooling to build AI-powered platforms. The team, part of Citi's Chief Technology Office, defines the bank's tech and engineering strategy by engineering cutting-edge products at planetary scale.

Python, React, JavaScript/TypeScript, AWS, CI/CD, and observability. Build AI-powered language learning and assessment products for a global EdTech platform, integrating LLMs into scalable cloud-native applications with chat/messaging features.

Okta★3.9 (70)· London

Principal Forward Deployed Engineer at Okta: work with OAuth 2.0, OIDC, SAML, SCIM, OPA, Cedar, OpenFGA, AI agent platforms, and MCP. Define canonical patterns for agent identity, delegation, audit, and kill-switches across the most strategic enterprise deployments. Own the reference architecture the FDE team builds from and shape the product roadmap.

Build and support scalable enterprise integrations using Workato, APIs, webhooks, REST, SOAP, GraphQL, OAuth, JSON, XML, SQL, JavaScript, Python, and Workato formulas. Integrations span finance, HR, CRM, document management, and analytics platforms. No team size specified.

Wise★3.5 (42)· London

Build backend

Google★4.3 (6.2k)· London

Work with HTML, CSS, JavaScript, HTTP, Java, C/C++, Python, Node.js, TypeScript, RESTful APIs, OAuth2, JSON webhooks, GCP, Dialogflow, and Gemini. You will lead end-to-end conversational messaging solutions, building chatbots and integrating agentic experiences for the Android and Business Communication Partner Engineering team.

G-Research★3.6 (18)· London

You will lead an IAM engineering team, modernising identity services using SAML, OIDC, OAuth2, SCIM, MFA, RBAC/ABAC, PAM and directory services. The team owns authentication, authorisation, identity lifecycle and access governance, driving a unified identity model that strengthens security while simplifying access management across the firm.

You will work hands-on with Java, Kafka, Kubernetes/OpenShift, caching solutions, REST APIs, Spring Boot, SQL, Git, and Gradle/Maven within a high-volume message processing environment for a trading client in the financial services domain.

Cognizant★3.8 (17k)· London

You will work with Python (FastAPI/Flask), serverless architecture, NextJS/React, third-party APIs, OAuth/JWT, and WebSockets. You will design, build, and enhance the Digital Onboarding Service used across the API Platform.

You will own the design system and ship pixel-perfect UI in React, TypeScript, Tailwind, and modern browser APIs, with 20-30% back-end work in Node and SvelteKit. The company builds an AI-native integration layer for SaaS products and agents, providing unified APIs and tooling to connect products to hundreds of third-party tools.

You will work with AWS, IAM, JumpCloud/Okta, Google Workspace, M365, MDM, scripting (Python, PowerShell, Bash, Google Apps Script), and networking. The role supports a purpose-led UK organisation’s technology team, managing identity, SaaS, endpoints, security tooling, and cloud infrastructure to keep systems secure, scalable, and reliable.

Netbuilder★3.0 (1)· London

Full-stack developers use Java, Spring Boot, React, TypeScript, Oracle, MySQL, Git, Jenkins, Spinnaker, Docker, and Kubernetes to build, enhance, and support scalable web applications, APIs, and enterprise platforms for NETbuilder, a digital solutions provider.

Sony Music Entertainment★4.2 (454)· London

Lead Software Engineer for Sony Music’s PDEGO team, working with Python, JavaScript, TypeScript, React, Snowflake, MySQL, Neo4j, Kafka, OpenSearch, REST, OAuth, and AWS. You'll lead technical design and implementation of scalable distributed systems powering global B2B2C platforms for monetization, analytics, marketing, and music release.

Sony Music Entertainment★4.2 (454)· London

The Senior Software Engineer works with Python, JavaScript, TypeScript, React, and AWS, designing RESTful APIs and services with OAuth and data platforms like MySQL, Snowflake, Kafka, and OpenSearch. Within PDEGO, this team builds and evolves scalable, full-stack platforms that power Sony Music’s global business, supporting artists, songwriters, labels, and partners.

Morningstar★3.9 (185)· London

Design, build and maintain IAM solutions using Okta and Microsoft Entra ID, automating JML lifecycle with Okta Workflows and PowerShell. Integrate apps via SAML, OAuth, OIDC, SCIM, and support Active Directory, Group Policy, and Azure Application Proxy. The team underpins critical business services enabling key functions across the organization.

Boden★3.1 (112)· London

You will work with AWS (Lambda, SQS, API Gateway, DynamoDB), REST/GraphQL APIs, webhooks, OAuth, and event-driven microservices. This Operations Technical Lead role drives technical direction for services and integrations that support Boden’s order and fulfilment journeys. You will manage a team of developers and quality engineers.

You will design and maintain automated UI, API, and service-level tests in TypeScript using Serenity/JS and Playwright, plus Python/pytest and C#/.NET. The role involves testing the ACE application and internal platform tooling for a decentralised AI platform optimising energy in data centres.

Viasat★3.8 (382)· London

Work with Python, AWS Lambda, Next.js/React, Terraform, and BigQuery to architect data-driven platforms that drive Viasat's revenue growth by transforming how commercial and customer-facing teams operate. Co-lead development of web portals and cloud applications, integrating AI capabilities like LLMs and agent frameworks. Join an existing Senior Solutions Architect to share technical ownership of the platform ecosystem.

National Gas★0.0 (10)· London

You will work with Angular (v16+), ASP.NET Core / .NET, REST APIs, SignalR, SQL Server, MariaDB, and Azure. You will maintain existing ASP.NET websites and build a new real-time cloud-based operational system for National Gas.

You will use Linux, Docker, Git, Kafka, APIs, AIOps, FinOps, and SRE Observability with CI/CD tools. As a Solutions Engineering Specialist at Kong (The AI Connectivity Company), you lead technical discussions, develop proof-of-concept projects, and guide enterprise customers in managing APIs, AI agents, and infrastructure.