19 scala developer jobs found in London, greater london

Senior Full Stack Developer - .NET/React Outside IR35 Contract Up to £400 per day Initial 3-6 Month Contract | Immediate Start - 1 day a week in London We're working with a well-established retail business currently undergoing a major internal transformation programme and they're looking for a Senior Full Stack Developer to join immediately on an Outside IR35 contract basis. The business has been operating successfully for over 10 years and combines the stability of an established company with the pace and culture of a start-up environment. Decisions happen quickly, there's very little hierarchy, and engineers are trusted to own delivery and make an impact. This role will focus heavily on building modern internal applications and operational tooling that support large-scale scheduling, optimisation and customer service functions across the business. The Role You'll play a key role in developing modern React-based internal applications alongside supporting .NET...

BUSINESS ANALYST £480 to £550 per day OUTSIDE IR35 LONDON HYBRID: 1 TO 2 DAYS A WEEK IN OFFICE 3 MONTH PROJECT IMMEDIATE START Company A global strategy consulting firm working with business leaders and private equity firms to solve high-stakes challenges across M &A, marketing, sustainability, and performance improvement. THE ROLE The role is to define how investment activity should be classified, captured, and reported so it can be built into the new Finance Data Warehouse, replacing the current fragile Excel-based process with clear, build-ready requirements for the Finance Systems team. Document current reporting processes, KPI 's, data sources and gaps Define how investment reporting will scale into the new finance data warehouse Define a tactical classification and data capture approach that integrates into the FDW Act as a middle point between Finance stakeholders and the finance...

Technical Architect Outside IR35 | Remote based | Rate DOE | 6 months SR2 is supporting a major public sector digital programme seeking two experienced Technical Architects to help shape and deliver large-scale cloud-native platforms and services within a highly secure, data-driven environment. This is a hands-on architecture role suited to consultants who can operate across strategy, solution design and engineering enablement, working closely with delivery teams to modernise complex systems and improve operational resilience. Overview: You'll be responsible for defining technical architectures across multiple workstreams, supporting engineering teams with best practice and ensuring solutions are secure, scalable and aligned to wider enterprise standards. The environment is heavily cloud-focused, with modern DevOps practices, containerised workloads and API-led integration patterns playing a central role. The successful candidates will work closely with...

Technical Lead - Power Platform Contract: 6 months (Outside IR35) Rate: £500-£550 per day Location: London (Hybrid) We're working with a large, established organisation delivering a major digitalisation and process-improvement programme. They're seeking an experienced Power Platform Technical Lead to shape, build and evolve enterprise-scale solutions within a complex environment. This role suits someone senior in title and mindset , but still current and hands-on with modern Power Platform development. You'll provide technical leadership across architecture, delivery and team direction, working within an Agile, DevOps-led setup alongside onshore and offshore teams. What you'll be doing: Leading the end-to-end design and delivery of enterprise Power Platform solutions Owning solution architecture, ensuring scalability, security, maintainability and best practice Providing hands-on technical leadership across Model-Driven Apps , with strong understanding of...

AWS DevOps Engineer | Outside IR35 | Remote We're supporting a major public sector digital programme looking to bring in an experienced AWS DevOps Engineer to help deliver secure, scalable cloud infrastructure across a complex national platform environment. This role would suit someone who enjoys working in modern DevOps environments, partnering closely with engineering teams to improve deployment capability, platform resilience and operational maturity across cloud-native systems. The Role You'll play a key role in designing, building and supporting AWS-based infrastructure, helping to drive automation, CI/CD maturity and platform reliability across multiple environments. The work involves supporting containerised applications, infrastructure-as-code, monitoring, security and deployment best practices within a highly regulated delivery environment. This is a hands-on engineering role where you'll be expected to contribute technically from day one, working closely with...

Lead DevOps Engineer | Outside IR35 | Remote We're working with a major public sector digital programme looking to bring in an experienced Lead DevOps Engineer to help shape, deliver and optimise cloud-native infrastructure across a large-scale, high-availability environment. This role will suit someone who combines deep hands-on engineering capability with strong technical leadership experience. You'll play a key role in defining DevOps best practice, improving platform reliability, and supporting the delivery of secure, scalable services within a complex multi-team ecosystem. The Role You'll be leading the design and evolution of modern cloud infrastructure, driving automation across deployment and operational processes, and supporting engineering teams with platform capability, reliability and scalability. The environment is heavily AWS-focused with Kubernetes at the centre of the platform strategy, alongside modern CI/CD tooling, Infrastructure as Code and strong...

AI Engineer | Hybrid | London | Outside IR35 | 6 + Months 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.

🚀𝗣𝗿𝗶𝗻𝗰𝗶𝗽𝗮𝗹 𝗔𝗜 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 / 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 🚀 📍 London Hybrid (2-3 days/week) 📅 ASAP Start - Initial 6 month contract 💰 Outside IR35 We’re supporting a major enterprise organisation building out a central AI platform capability on AWS to enable secure, scalable and governed AI adoption across the business. This is a senior, hands-on platform engineering and architecture role focused on enabling internal teams to build and deploy enterprise GenAI applications safely at scale. 🔑 The Role • Design and evolve enterprise AI platform capabilities on AWS • Build scalable infrastructure and reusable AI platform patterns • Support governance, observability and developer enablement across AI systems • Advise stakeholders on platform architecture and best practice • Help shape how GenAI is operationalised across a large enterprise environment 🎯 Key Experience • Strong AWS platform engineering / architecture background • Deep experience with Terraform, IaC and...

Full Stack Developer - Outside IR35 - Contract - SC ESSENTIAL A rare opportunity to join our fast-growing technology company selling high-value software development services. You will be working within a Government department as part of an existing team to support the rollout of a new Database. Must have Kotlin (or, less preferably, Java) Spring GDS design system Nice to have AWS Terraform Thymeleaf Your approach You are passionate about delivering great technical quality, whether building greenfield solutions or improving the quality of legacy systems You hold your work to a high standard, with careful attention to visual quality, accessibility, and performance. You are excited by helping stakeholders achieve their goals through use of technology You enjoy collaborating with designers and product owners to innovate and devise great technical solutions to meet user needs You are comfortable with ambiguity and fast-paced, changing...

AI Engineer & Java Developer - Fintech/Challenger Bank, LTD CO OUTSIDE IR35, 6 months, London Hybrid Our Fintech Banking Payment Service client based in London seeks a proactive, hands-on AI Engineer with Claude or Codex & Java Developer with solid expertise in Claude or Codex AI Tooling, Agentic AI, Java Development using Spring Boot within a Fintech Challenger Bank setting. The ideal candidate MUST HAVE previous experience working in a startup/scaleup Fintech Financial Services environment. Any ISA product implementation/integration experience is an advantage but not essential. AI skills in Codex, Claude is highly sought as my client is looking for someone who is an AI Enthusiast. Our client is hiring a hands-on Java Developer to support delivery and development of Savings products within their engineering function. The emphasis is on people who can work proactively and be technically self sufficient and key skills again are Java, Spring Boot, AI Tooling, Agentic AI...

AI Engineer | Hybrid | London | Outside IR35 | 6 + Months 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.

AI Engineer | Hybrid | London | Outside IR35 | 6+ Months 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.

Senior Java Developer 11 roles available (mid to senior level) Pay rate: Outside IR35 – £600 to £800/day (depending on experience) Duration: Initial 6–9 months (programme running through to 2027) Working Arrangement: Hybrid – ~2 days/week in London A major Financial Services client on a large-scale back-office transformation programme, and we’re looking to onboard 11 Java Developers across mid to senior levels. You’ll be working on a platform re-architecture programme, building integration services across trade lifecycle, settlement, and reconciliation workflows. This is a long-term, greenfield initiative with strong technical challenges and a modern engineering environment. Tech Stack Java (11+) / Spring Boot Microservices & REST APIs AWS (preferred) Kafka / Event-driven architecture SQL / Relational databases Docker / Kubernetes Nice to have: TypeScript, Camunda

Agentic Quality Platform Lead – Contract – Tech for Good Oliver Bernard are currently working with an established Tech for Good client of ours, based out of London, who are looking to take on an 'Agentic Quality Platform Lead' to drive their Quality Engineering team towards a 'Quality as a Service' model and integrate / embed their processes into broader Platform and AI operations. The incoming contractor will need to have experience from a technical leadership perspective, and be able to drive Quality best practices to the extent that it removes their QA Engineers from Product teams and creates a self-sufficient Quality function that is comfortable on it's own two feet - without reliance on Platform or Developer teams. To be suitable for this position, the following expertise is required: Experience building Agentic Quality platforms to drive efficiencies across engineering teams Background as an SDET, with prior experience writing clean code and developing...

Software Engineer | Bazel 📍 London 🏠 Hybrid work model - 3 days in the office, 2 days wfh 💶 Up to £600/day - Outside IR35 📄 6 months contract with possible extensions 5V Tech are working with a fast-growing deep tech company building a completely new class of AI accelerator hardware and software from first principles. They’re now looking for an engineer to take ownership of Bazel at scale and build the tooling infrastructure that powers the entire engineering organisation. This is a genuinely high-impact role in a greenfield environment, where you’ll help shape the build systems, developer workflows, and CI infrastructure from the ground up. What you’ll be working on: • Designing and owning Bazel rules and extensions • Scaling a large monorepo across Python , C++ , Rust , SystemVerilog, and ML workloads • Building reproducible, multi-language build pipelines • Optimising CI performance across large compute clusters • Improving the...

Outside IR35 | June Start | Contract until February 2027 | Hybrid London We are currently supporting a major Financial Services client on a large-scale data and technology remediation programme and are looking to engage an experienced Technical Product Owner/Product Manager. This is not a traditional business-facing Product Owner role. The successful candidate will come from a strong technology and data background and be comfortable operating across technical delivery, architecture and business stakeholder environments. The ideal candidate will be capable of bridging the gap between architects, developers, remediation SMEs and senior business stakeholders within a complex FS delivery programme. Key Responsibilities * Own and prioritise the product backlog across multiple delivery workstreams * Translate business and remediation requirements into clear delivery priorities and user stories * Work closely with architects, developers and engineering teams to support technical...

AI Engineer | Hybrid | London | Outside IR35 | 6+ Months 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.

MLOps Platform Manager, Palantir Fully Remote | 6 Month Contract | Outside IR35 | £550 to £650 per day Overview A leading organisation is looking for an MLOps Platform Manager to take ownership of its Palantir and production ML platform environment, covering Foundry, AIP and wider MLOps services . The role will focus on ensuring the platform is reliable, secure, well-governed and scalable, while helping data science and engineering teams move models and data products into production in a structured and repeatable way. The Role This is a delivery-focused platform ownership role, sitting across: Palantir platform operations MLOps enablement Service management Security, governance and compliance Supplier and vendor management You will be responsible for the day-to-day running and improvement of Palantir Foundry, AIP and related MLOps capabilities . The role requires someone who can combine technical platform...

Senior Flutter Developer - Outside IR35 - Contract A rare opportunity to join our fast-growing technology company selling high-value software development services. An ideal role for an experienced and dynamic developer who wants to be involved with an exciting and challenging project. Must have Several years of experience developing customer-facing mobile apps for both iOS and Android, using Flutter. Experience working as part of a team (including tools to support collaboration, such as git and user story management software) Experience working closely with other job roles, such as designers and product owners Nice to have Experience with mobile back-end development / Node Experience of CI/CD/DevOps for mobile apps Experience collaborating with clients or stakeholders, including clarifying requirements and presenting work at sprint demos Have experience delivering great outcomes for clients in an agency or professional services firm Your...