Use object-oriented programming (Java or C#), Salesforce Lightning, Force.com, Apex, SOQL, JavaScript, Git, Jira, IntelliJ, CI/CD, and Salesforce REST APIs. Hackajob Ltd is a platform that connects developers with job opportunities. This Salesforce Developer role delivers complex business and technical requirements on the Force.com platform.

Citi★3.9 (21k)· London

Backend Java developer building the Citi Integrated Digital Assets Platform (CIDAP) using Java Spring, web3 libraries (Web3J/Web3JS), Solidity, and containerized DevOps tools (Git, Jenkins, Helm).

Citi★3.9 (21k)· London

You will work with Java, Spring, Web3J/Web3JS, Solidity, Docker, and Hardhat/Foundry to build Citi’s Integrated Digital Assets Platform (CIDAP), integrating blockchain networks and digital asset infrastructure.

Citi★3.9 (21k)· London

Work with Solidity, Web3J/Web3JS/Ethers.js/Viem, Java/Spring, Node.js, and blockchains such as Ethereum, Hyperledger Besu, Canton, and Solana, using Hardhat/Foundry/Truffle for testing. Contribute to Citi's Integrated Digital Assets Platform (CIDAP) building Web3 components for tokenization, smart contracts, and on-chain settlement.

Work with Salesforce platform, Apex, triggers, flows, and REST/webhook-based integrations linking Stripe/Recurly, provisioning systems, and downstream data. Own development of the core systems powering LucidLink’s revenue engine, including the Quote-to-Cash lifecycle. This is a foundational hire for the Enterprise Applications team.

You will work with Java and SpringBoot microservices on Linux and OpenShift, building APIs and using build tools like Gradle, CI/CD, Git, and BitBucket/GitHub. As part of the Technology Application Strategy team, you will design and deploy cutting-edge developer tooling and productivity solutions for Citi’s global developer community.

Work with Java, GitHub Copilot, Devin.AI, Citi Squad, Stylus Workspaces (Gemini, OpenAI, Claude, Llama), Docker, Kubernetes, and CI/CD. Build high-performance, real-time FX risk management systems for a greenfield platform with a 10+ year strategic commitment. As a VP, lead end-to-end delivery and technical direction.

You will work with Azure DevOps Pipelines, CI/CD, Atlassian Confluence, Jira, PowerShell, Python, C#, SQL, and cloud deployments to Microsoft Fabric/Synapse/Azure, Snowflake, Power BI, and application security tools. You will help build automation, CI/CD pipelines, and release processes for in-house developed solutions at the Universities Superannuation Scheme pension scheme.

Work with Salesforce Lightning, Apex, SOQL, JavaScript, and the Force.com platform, with exposure to Git, Jira, IntelliJ, CI/CD practices, and Salesforce REST APIs. You will deliver solutions and manage complex business and technical requirements.

Koinly★3.0 (1)· London

Work with React 19, TypeScript, TanStack (Router, Query, Table), Radix UI, Mantine, Tailwind CSS v4, Vite, Vitest, Storybook, Highcharts, Sentry, Bun, and RabbitMQ on a data platform that reconciles crypto transactions and tax obligations for Koinly’s web application, with a React Native mobile app joining scope later.

Koinly★3.0 (1)· London

You will work with TypeScript on Bun, RabbitMQ, Redis, PostgreSQL, Vitest, Sentry, and Rust. The team owns the distributed data-processing backend that ingests, normalizes, and reconciles on-chain and exchange data for Koinly’s crypto tax calculation product.

Perk★4.3 (50)· London

Senior engineers work with AI-connected Notion, Jira, GitHub and Slack, plus frontend patterns (state management, E2E/Cypress), backend techniques (API versioning, caching, data migration), and CI/CD. They join a cross-functional squad with ownership of a domain within Perk’s intelligent travel and spend management platform.

Palo Alto Networks★3.8 (154)· London

You will work with Prisma AIRS, AI automation platforms, agentic developer tools (e.g., Claude Code), and data platforms (Salesforce, JIRA, Gainsight, Tableau). As a principal strategic advisor and AI Architect for the Prisma AIRS team, you architect scalable security solutions at the intersection of application security, data security, and the AI ecosystem for global enterprise accounts.

T. Rowe Price★3.6 (709)· London

SQL, Excel, Jupyter notebooks, Jira, and Confluence are used. The role partners with the Fixed Income Investments technology team to build next-generation cloud-first portfolio management capabilities for front office engineering teams.

You will work with Java, Selenium, RestAssured, Gherkin, and Jira/Xray to design and maintain automated test frameworks. This cross-functional Agile squad develops complex healthcare software systems that support Genomics England’s genomic medicine and research initiatives for the NHS.

QA Engineer role using **Python** for test automation, with **Gherkin**-based test cases, **Jira/Xray**, and **CI/CD pipelines**. You will build and maintain automated test frameworks covering UI, API, integration, and regression testing for the software systems that underpin Genomics England’s genomic healthcare and research mission.

Lead the Credit Risk Analytics IT team using S&P Global FRA (fraimWRX), Redis, Kafka, Spark, HBASE, HDFS, Kubernetes, Python, .NET, C#, MS SQL Server, and MS Azure. The team designs, integrates, and supports systems for calculating and reporting Credit Risk across all locations. This is a VP-level role managing onshore, nearshore, and offshore developers.

This role develops generative AI applications using Java, Python, React or Angular, LangChain, LlamaIndex, Hugging Face, Docker, Kubernetes, and AWS, with tools like GitHub Copilot. You will build scalable, AI-powered solutions for Citi’s global finance operations.

Support engineers at Writer use Python, AWS/GCP, SDKs, SSO/SCIM, Jira, Grafana, Datadog, and RESTful APIs to debug production issues and build automated diagnostic tools. They serve as Tier 2 support for enterprise customers building AI agents on Writer’s platform, collaborating with Customer Success, Product, and Engineering.

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.

MUFG★3.3 (1k)· London

Works with S&P Global FRA, fraimWRX (AKS), Redis, Kafka, Spark, HBASE, HDFS, Kubernetes, Python, .NET, C#, MS SQL Server, MS Azure. Leads the Credit Risk Analytics IT team, designing and integrating Middle Office systems for calculating and reporting Credit Risk across all locations. Manages onshore, nearshore, and offshore teams.

Equinix★3.7 (391)· London

You will design and ship LLM-powered agents and the platform they run on using Python or TypeScript, APIs, microservices, event-driven architecture, Git, CI/CD, and cloud platforms, with tools like MCP and A2A. The Equinix Incubation team builds agentic systems that automate the software delivery lifecycle end to end—from intake and business case through code, test, release, and value tracking—with humans directing every gate.

Engineering Managers at Ki lead teams working with Java, Python, JavaScript, Node.js, Spring Boot, Flask, Kotlin, GCP, and CI/CD tooling. Ki is the biggest global algorithmic insurance carrier, using machine learning and LLMs on its broker platform to digitise Lloyd's of London underwriting. The role collaborates with the CTO on technical strategy for the architecture, tech stack and infrastructure.

Future Publishing★3.2 (28)· London

Work with Oracle PL/SQL, Oracle APEX 24.2, Oracle Forms 12c, WebLogic, .NET, and Oracle 19c databases on Data Appliance hardware. Support Marketforce’s bespoke magazine-distribution applications, handling BAU delivery, enhancements, and development within a nine-person Circulation Tech team.

Work with TypeScript, Python, Node.js, Playwright, Cypress, WebdriverIO, Docker, GitHub Actions/GitLab CI, bash, and Jira to build and maintain test automation frameworks and CI pipelines for Connected TV devices.