16 scala developer jobs found in London

Shopify Developer | £275/Day Outside IR35 | 6 Months Rolling | Fully Remote | Hertfordshire We’re working with a fast-growing digital commerce group who provide a unique opportunity to join a business operating at the intersection of global e-commerce and digital innovation. This group helps global brands expand internationally, but not through simple website translation. Instead, they build fully country-specific e-commerce experiences, including: Native languages & messaging Market-specific pricing Native payment methods Tailored UX and customer journeys Their proprietary technology enables brands to launch and scale market-ready storefronts quickly and efficiently , reducing friction when entering new territories. 👨 💻 The Role This is a Shopify Developer contract split across two teams: 🛍️ Client onboarding team — Shopify development work helping new brands launch on the platform 💡 Digital innovation team — contributing to wider digital...

AI Engineers | Outside IR35 | London Cititec are working with a global financial markets organisation on a large scale data and platform transformation. They are looking for a Senior AI Engineer to help accelerate the migration of a complex data estate from Oracle to a Microsoft centric architecture across Azure, Cosmos DB, Microsoft Fabric and Azure Data Factory. The role will focus on applying AI and GenAI to improve developer productivity and engineering throughput, particularly across data migration, code generation and developer tooling. This includes deploying AI agents and AI assisted development tools within the Azure ecosystem. This is a high impact role operating across a large engineering environment, helping scale modern engineering practices and AI enabled development across a significant developer base.

Lead Java Engineer (Quarkus) Duration: Initial 3 months (with potential extension - project dependent) Location: Remote/London (Hybrid) Onsite requirements: Hybrid - primarily remote with on-site attendance in London for key meetings Engagement Type: Outside IR35 Day Rate: Competitive day rate Right to Work: Candidates must have the legal right to work in the UK. Sponsorship is not available for this position. BPSS screening will be required due to the regulated financial services environment. About Atrium Global Atrium Global is supporting a client of ours within the Banking industry who are delivering a large-scale data platform modernisation programme. Job Overview We are looking for an experienced Lead Java Engineer to join a high-profile engineering programme focused on modernising enterprise data platforms and batch processing capabilities. The role will focus on building and optimising cloud-native Java microservices using Quarkus while integrating with IBM Tivoli...

GCP DevOps Engineer | Outside IR35 We are working with a growing consultancy delivering complex digital and cloud transformation programmes. They are looking for a GCP DevOps Engineer to join a high-performing engineering team on a contract basis, helping design, build and support scalable cloud platforms for large-scale projects. The Role You will play a key role in building and maintaining cloud-native infrastructure within Google Cloud Platform , enabling development teams to deliver secure, scalable and reliable services. Working within an agile engineering environment, you will focus on automation, CI/CD, infrastructure as code and platform reliability , helping teams ship production-ready systems while maintaining strong operational standards. You will collaborate closely with developers, architects and platform engineers to improve deployment pipelines, optimise cloud environments and ensure best practices across infrastructure and security. Key Responsibilities...

Overview We are seeking a Senior Python Developer to support a large-scale digital transformation programme. The role focuses on building reliable Back End services, improving system performance, and contributing to a modern, scalable engineering environment. The client is open to strong EU-based talent. Role Detail: Contract Length: 3-6 months Rate: £250-400/day Outside IR35 (Depending on experience) Work Model: Fully Remote Key Skills and Experience Strong commercial experience with Python (Django) Solid understanding of REST APIs , microservices, and Back End architecture. Experience with cloud environments (AWS & Azure). Familiarity with CI/CD pipelines and modern DevOps practices. Strong understanding of relational and/or PostgreSQL. Ability to work in distributed teams and communicate clearly. Experience with Typescript and Svelte Good problem-solving skills and attention to detail. Nice to Have Experience with containerisation (Docker,...

?? Senior Software Engineer (Generative AI Platform) - 6-Month Contract - £650/day (Outside IR35) Location: UK or Europe (Europe preferred - remote-friendly) Rate: £650/day Duration: 6 months (strong extension potential) A high-performance engineering group is building a next-generation Generative AI platform designed to enable autonomous software-engineering agents and fully agentic workflows . This is a rare opportunity to operate at the frontier of AI-for-coding , working with emerging tools and shaping what engineering will look like in the next decade. If you 're excited by LLM-powered development, agentic reasoning, and building new systems in Go - this is your contract. ?? What You 'll Be Working On Engineering Go (Golang) services forming the core of a large-scale GenAI developer platform. Building autonomous AI agents that write, review, debug, and execute code in real time. Developing...

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET / Full Stack Developer to join a growing payments company. As a .NET Developer , you’ll be working as part of an experienced engineering team building and scaling a high-throughput payments platform. The business is entering its next phase of growth, launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be contributing to a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on development role where you’ll work closely with senior engineers to deliver reliable, scalable...

Lead .NET/Full Stack Developer - Hybrid - £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven We have a unique opportunity for a Lead .NET/Full Stack Developer to join a payments company. As the Lead .NET/Full Stack Developer , you’ll play a key role in shaping and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on technical role where you’ll help drive engineering best practices, contribute to architectural decisions, and mentor...

Senior .NET / Full Stack Developer – Hybrid – £600/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a unique opportunity for a Senior .NET / Full Stack Developer to join a payments company. As a Senior .NET / Full Stack Developer , you’ll play a key role in building and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on senior engineering role where you’ll contribute to architectural discussions, drive engineering best...

Contract Data Project Manager | 3 months | Fully Remote | Outside IR35 | £450-£520 per day I'm supporting a client undertaking a major data migration from multiple Legacy systems into a new CRM (Salesforce). They need a contract Data Project Manager who can step in immediately, bring structure, and drive delivery at pace. This role requires someone confident managing complex data workstreams, experienced in CRM migrations, and able to add value almost immediately. Role Purpose The Data Project Manager will be responsible for planning, coordinating, and delivering the data sync process between existing systems and the migration of Legacy data from the current CRM platform into Salesforce. The role ensures data quality, integrity, compliance, and business continuity throughout the migration life cycle, working closely with IT, business stakeholders, vendors, and regulatory teams. You'll be working with a team of around 7-8 people across data, engineering, CRM, and business...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (2 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

Contract Lead Business Analyst / Product Owner Insurance Transformation Programme | £600 per day | Outside IR35 We are supporting a private equity–backed insurance business that is investing heavily in technology and operational transformation. They are looking for a Lead Business Analyst / Product Owner to join a key programme focused on improving core business processes and simplifying system integrations. This role will suit someone comfortable operating in entrepreneurial environments, where clarity, ownership and delivery matter more than rigid process. The successful hire will act as the lead BA within the team, working directly with stakeholders and an offshore development team to translate business needs into deliverable outcomes. Key Responsibilities Lead business analysis across a core transformation programme Map and improve key business processes across underwriting and risk workflows Translate requirements into user stories,...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (2 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (3 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

AI Engineer (Contract) – £500/day Outside IR35 📍 Canary Wharf, London (3 days onsite) 🇬🇧 UK-based applicants only We’re looking for experienced AI Engineers who think holistically, automate relentlessly, and know how to turn modern AI capabilities into production-grade, high-impact applications . Our AI organisation is building real-world AI products that deliver business value at speed. This role is ideal for seasoned engineers who combine strong software engineering fundamentals with a pragmatic, hands-on approach to AI tooling and infrastructure. What you’ll be doing Designing, building, and maintaining production-grade AI applications using modern engineering practices (CI/CD, testing, observability, cloud-native design). Developing reusable AI platforms and tools (e.g. conversational bots, AI-powered search, unstructured data processing, GenAI solutions). Working in cross-functional, embedded teams with business stakeholders to rapidly deliver...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (3 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...