32 senior platform engineer jobs found

Internal Title: Senior Full Stack Developer Location: London, UK (Hybrid - typically 1-2 days per month in office) Contract: Permanent, Full-time OR Outside IR35 Contract, 6 months with view to extend Day Rate (contract): £500-550 per day Package (perm): £70,000 - £80,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. We work across complex, high-impact environments in both the public and private sector, delivering solutions where quality, scalability, and reliability are critical. About The Role We're hiring...

Senior Data Engineer - Elastic Stack / Apache NiFi 📍 Worcester (Onsite) 💰 £70-£75 per hour | Outside IR35 📅 12-Month Rolling Contract ⏰ Compressed Working Available - Work 3 Long Days, Paid for 5 We are seeking an experienced Senior Data Engineer to join a high-profile programme delivering secure, scalable data platforms within a highly regulated environment. This is an exciting opportunity to work on complex data engineering challenges using cutting-edge technologies, with the flexibility of compressed working patterns. The Opportunity As a Senior Data Engineer, you will play a key role in designing, building, and maintaining robust data pipelines and platforms. You will work closely with architects, engineers, and security teams to deliver high-performance data solutions that meet stringent security and governance requirements. This role is fully onsite in Worcester, with the option to work a compressed schedule (e.g. three extended working days...

Databricks Platform Buildout Senior Data Engineer Outside IR35 Fully Remote £500 - £575 per day Overview & Objective We are seeking 3x Senior Data Engineers for a Databricks Platform Buildout project which is part of a bigger engagement. The main project focus is to review the group-level Databricks platform foundations to confirm readiness for replication and then rollout across country-level platforms. These Engineers will participate in the rollout and replication phase. Requirements 4+ Years Data Engineering Experience, 5+ years of consulting experience Minimum 2-3 projects delivered with hands-on experience in Databricks Experience in Spark and/or Hadoop, Familiarity with Databricks multi-hop pipeline architecture Technical Stack and Required Capabilities Python, SQL Strong Databricks knowledge (PySpark, SQL, Delta Lake, Unity Catalog) Azure ETL/ELT development and data pipeline orchestration (eg, Databricks Workflows,...

Senior D365 Engineer (Finance & Operations) Outside IR35 / Fully remote working / £400 - 575 per day We're working with a fast-growing global consumer brand looking for a Senior D365 F&O Engineer to help scale and optimise their finance technology landscape. You'll be responsible for delivering end-to-end D365 F&O solutions, building integrations across enterprise systems, and working closely with finance and engineering teams to drive business-critical initiatives. 6+ years' D365 F&O development experience Strong X++, C#/.NET and TypeScript skills Experience within retail, e-commerce or consumer-focused businesses Knowledge of finance processes (GL, AP, AR, reporting) Azure DevOps, CI/CD and integration experience This is a fantastic opportunity to join a high-growth organisation where you'll have real influence on architecture, platform development and future technology strategy. Outside IR35 / Fully remote working / £400 - 575...

Senior Software & Cloud Engineer - Python, Node.js, AWS, Terraform, Ansible Location: Remote Client Location: Fully Remote, or Dublin Contract Length: 6 months initially Working Pattern: 24 hours per week/3 days per week (flexibility on days) Rate: Negotiable daily rate, Outside IR35, depending on experience Senior Software & Cloud Engineer required for a 6-month initial contract with a leading global organisation in their sector. The client needs a genuinely hands-on engineer with strong depth across Back End development, AWS cloud operations, Infrastructure as Code and deployment automation, working on the support, development and implementation of various internal systems/projects. Candidates will need to be able to hit the ground running and must be able to explain how they have personally designed, built, deployed, configured, supported and troubleshot production systems. Core Skills, strong knowledge required for the role:...

Location: Manchester (Predominantly Remote) Rate: Up to £600 per day Contract: Outside IR35 Duration: Initial 6 months with extension potential I'm seeking an experienced contract Lead Full Stack Software Engineer to join a high-performing technology team delivering large-scale digital products. This is an exciting opportunity for a hands-on technical leader who enjoys driving engineering excellence while remaining actively involved in architecture, development, and delivery. Working within a modern cloud-native environment, you'll play a key role in shaping technical direction, mentoring engineers, and delivering scalable solutions that support business growth. Key Responsibilities Lead the design and development of scalable full-stack applications Provide technical leadership and guidance to engineering teams Drive best practices across architecture, code quality, testing, and deployment Collaborate closely with Product, Design, and Engineering stakeholders...

Snowflake Data Engineer - 5 Months - Outside IR35 A leading tech company requires a data engineer for an initial 5-month contract. The position is hybrid, outside IR35, and will likely extend long-term due to the amount of work they have in the pipeline. The Role: You will be part of a rapidly growing data team helping to deliver their leading data platform, which is being used to drive key decision-making in renewable energy and its use around the world-tech for good, you could say! They are looking for a data engineer with demonstrable experience with Snowflake building complex systems to ingest and process large volumes of data. The main tools you will be using day to day are: ** Snowflake ** Python ** SQL ** DBT You: Our customer is looking for someone well-versed in the above tools/technologies. They also need someone who understands the principles of Data Engineering and is willing to roll up their sleeves, as this project is critical for them. As a Senior member...

Snowflake Data Engineer - 5 Months - Outside IR35 A leading tech company requires a data engineer for an initial 5-month contract. The position is hybrid, outside IR35, and will likely extend long-term due to the amount of work they have in the pipeline. The Role: You will be part of a rapidly growing data team helping to deliver their leading data platform, which is being used to drive key decision-making in renewable energy and its use around the world-tech for good, you could say! They are looking for a data engineer with demonstrable experience with Snowflake building complex systems to ingest and process large volumes of data. The main tools you will be using day to day are: ** Snowflake ** Python ** SQL ** DBT You: Our customer is looking for someone well-versed in the above tools/technologies. They also need someone who understands the principles of Data Engineering and is willing to roll up their sleeves, as this project is critical for them. As a Senior...

Snowflake Data Engineer - 5 Months - Outside IR35 A leading tech company requires a data engineer for an initial 5-month contract. The position is hybrid, outside IR35, and will likely extend long-term due to the amount of work they have in the pipeline. The Role: You will be part of a rapidly growing data team helping to deliver their leading data platform, which is being used to drive key decision-making in renewable energy and its use around the world-tech for good, you could say! They are looking for a data engineer with demonstrable experience with Snowflake building complex systems to ingest and process large volumes of data. The main tools you will be using day to day are: * Snowflake * Python * SQL * DBT You: Our customer is looking for someone well-versed in the above tools/technologies. They also need someone who understands the principles of Data Engineering and is willing to roll up their sleeves, as this project is critical for them. As a Senior member...

Senior Software Engineer - Outside IR35 - Contract (Energy Client) About the role Softwire is looking for an experienced Software Engineer to join a team delivering the first phase of a major replatforming project. You will work in a collaborative, technically focused environment, helping to modernise a data platform that currently relies on Power Automate, Power BI, and Python scripts. You can work remotely from anywhere in the UK, as client site visits aren't mandatory. Phase one of the project will introduce a SQL database and Azure Function Apps, alongside a migration of data from SharePoint into the new database. This is a hands-on engineering role with real impact from day one. Key Responsibilities Design and build Azure Function Apps to support the replatforming initiative. Develop and maintain SQL database schemas, queries, and data pipelines. Contribute to the migration of data from SharePoint into the new database. Work with existing Power...

Senior AI Voice Engineer £500 - £550 per day Outside IR35 Remote (occasional London meet-up) Initial 6 Month Contract We are looking for a Senior AI Voice Engineer to help build and scale a production-grade AI voice platform for a major UK financial services organisation. This is not a proof-of-concept role. The business has already built initial Python-based prototypes and is now looking for an experienced contractor to take the solution into production, helping define the architecture, challenge technical decisions, and build a scalable platform capable of handling real customer interactions. You'll work directly with senior stakeholders and have significant influence over both the technical direction and implementation approach. What You'll Be Doing Designing and building production-grade AI voice agent solutions Developing scalable Python services and APIs Working with speech-to-text (STT), large language models (LLMs) and text-to-speech (TTS)...

Senior .Net Developer  My customer is looking for a Senior .Net Developer to join them on a 9 Month contract basis, Outside IR35 & working fully remote. AI assisted developement will need to be at the forefront of how you develop, operate, and process your workload and coding tasks.  As the succesfull Senior .Net Developer you'll be joining a greenfield build of a large scale platform. This isn't maintaining legacy code, it's building something new from scratch using modern patterns and AI-assisted development. The platform already has a working prototype but you'll be taking it into production. You'll be working across the full stack of backend services: building APIs, designing data models, implementing business logic engines, and making sure the platform scales. You'll need to be comfortable owning significant pieces of work with minimal hand-holding and making good technical decisions independently. Must Have Strong .NET / C# — this is your primary skill and it needs...

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector by leading the next generation of maritime domain awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners. SRT is an exciting company where high-quality results are rewarded. We are ambitious and constantly seek to innovate in order to deliver better products and services to our customers. We strive to make SRT a rewarding and challenging place to work, where talented, hard-working individuals have the opportunity to make a real impact across the marine industry. Role overview for the Senior...

Principal Software Test Engineer 12 months contract Hybrid working Hampshire County £400/day Outside IR35 Seeking an experienced Principal Software Test Engineer to join a long-term programme focused on the development of advanced software solutions on Embedded Linux platforms. This is an excellent opportunity for a senior-level test professional with extensive experience in automated testing, technical leadership, and quality assurance within Agile environments. The role offers a long-term contract engagement with strong potential for extension. Key Responsibilities: - Lead the design, development, and execution of automated test solutions using Python, Squish, and other appropriate technologies. - Provide technical leadership and mentoring to test engineers, promoting testing best practices, coding standards, and continuous improvement. - Drive test estimation, planning, and delivery activities across complex software projects. - Support...

Principal Software Test Engineer 12 months contract | Hybrid working Hampshire County £400/day Outside IR35 Seeking an experienced Principal Software Test Engineer to join a long-term programme focused on the development of advanced software solutions on Embedded Linux platforms. This is an excellent opportunity for a senior-level test professional with extensive experience in automated testing, technical leadership, and quality assurance within Agile environments. The role offers a long-term contract engagement with strong potential for extension. Key Responsibilities: - Lead the design, development, and execution of automated test solutions using Python, Squish, and other appropriate technologies. - Provide technical leadership and mentoring to test engineers, promoting testing best practices, coding standards, and continuous improvement. - Drive test estimation, planning, and delivery activities across complex software projects. - Support...

DevOps Engineer - Public Sector - Outside IR35 - Edinburgh/Flexible Market Rates Duration - 9 months Harvey Nash is supporting a key public sector client in sourcing an experienced DevOps Engineer to design, build and operate scalable, secure, and automated cloud platforms. This role will support delivery across multiple digital services and platforms, combining infrastructure, development, and automation expertise. The successful candidate will play a key role in platform engineering, Azure Landing Zone development, and emerging AI-enabled services, while promoting DevOps best practices and supporting team capability uplift. Key Responsibilities Design, build and manage Kubernetes clusters, including workload isolation and private networking Implement GitOps delivery models using ArgoCD across multiple environments Develop and maintain Infrastructure as Code using Terraform, ARM templates and Bicep Design and manage CI/CD pipelines within Azure DevOps, following...

Data Engineer - Quantexa Contract: 6 months Location: London (Hybrid or Remote) Daily rate: £500 outside IR35 Currently hold a Security Clearance or be eligible to obtain it . A leading global consultancy is seeking experienced Senior Data Engineers to join a major data transformation programme. This is an exciting opportunity for a Senior Data Engineer with strong Quantexa expertise to deliver enterprise-scale solutions across complex data environments, working on high-impact projects for well-known organisations. As a Senior Data Engineer , you'll play a key role in designing and implementing Quantexa solutions, developing scalable data pipelines, and collaborating with architects, technical leads, and client stakeholders to deliver robust, production-ready platforms. Responsibilities Design, build, and optimise Quantexa data ingestion pipelines using Scala, Spark, and Databricks Configure Quantexa components including Entity Resolution, Scoring, and...

Test Analyst / QA Engineer - D365 6 month contract / Outside IR35 £350 - £400 per day Hybrid - monthly travel to Oxfordshire head office required Overview: Akkodis are partnering with a highly reputable financial services business who are looking to hire an experienced Test Analyst / QA Engineer for an initial period of 6 months. This is a hybrid with monthly travel to Oxfordshire head office required. Candidates must already be UK based and have right to work in the UK. Sponsorship is not available. Experience required: Proven experience working at Test Analyst / QA Engineer large-scale digital transformation programmes. Must have experience of testing Dynamics 365 Sales, CE / CRM and Power Platform. Must have proven experience in writing test plans, test execution, systems integration, and planning and coordinating UAT testing. Must have strong stakeholder engagement and management to work alongside third party vendor. Financial services or regulated industry...

Cyber Security Engineer (EDR Specialist) - Contract Location: Remote UK Rate: £425 per day (Outside IR35) Contract: 9-12 months (initial 3-month rolling contracts) Overview We are seeking a hands-on Cyber Security Engineer with strong experience in Endpoint Detection and Response (EDR) technologies. This role will focus on technical delivery, tooling evaluation, and supporting Proof of Concept (POC) activities across enterprise security environments. A strong preference will be given to candidates with experience in CrowdStrike, Microsoft Defender for Endpoint, and Trend Micro solutions. Key Responsibilities Act as a technical SME for EDR platforms and endpoint security tooling Lead and support POC engagements, including setup, configuration, testing, and evaluation of security tools Assess and compare EDR solutions based on detection capability, performance, and operational fit Work closely with security operations and infrastructure teams to deploy...

Test Analyst/QA Engineer - D365 6 month contract/Outside IR35 £350 - £400 per day Hybrid - monthly travel to Oxfordshire head office required Overview: Akkodis are partnering with a highly reputable financial services business who are looking to hire an experienced Test Analyst/QA Engineer for an initial period of 6 months. This is a hybrid with monthly travel to Oxfordshire head office required. Candidates must already be UK based and have right to work in the UK. Sponsorship is not available. Experience required: Proven experience working at Test Analyst/QA Engineer large-scale digital transformation programmes. Must have experience of testing Dynamics 365 Sales, CE/CRM and Power Platform. Must have proven experience in writing test plans, test execution, systems integration, and planning and coordinating UAT testing. Must have strong stakeholder engagement and management to work alongside third party vendor. Financial services or regulated industry...