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9 software engineer jobs found

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software engineer £300 - £400
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Essex  (2) Greater London  (2) Remote  (2) England  (1) Leicester  (1) West Yorkshire  (1)
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Outside Spy
Jun 09, 2026
Duration not stated
Embedded Software Engineer at Avanti Recruitment, Colchester, Essex, £400 per Day
£400 per day
Outside Spy Colchester, Essex
We're currently supporting an innovative engineering organisation that develops advanced communications and streaming technology used in mission-critical environments. This is an excellent opportunity for an experienced Embedded Software Engineer who enjoys solving complex technical problems and working across the full system stack rather than focusing solely on software development. The successful candidate will join a highly collaborative engineering team responsible for developing and supporting sophisticated embedded platforms used in demanding real-world applications. Key Responsibilities Design and develop software in C, C++ and Python Work on Embedded Linux-based systems Debug complex hardware and software interactions Support networking and communications applications Investigate and resolve system-level issues Work closely with hardware, FPGA and systems engineers Contribute throughout the full product lifecycle from development through to...
Outside Spy
Jun 09, 2026
Duration not stated
Embedded Software Engineer at Avanti, Colchester, £400 per day
£400 per day
Outside Spy Colchester, UK
We 're currently supporting an innovative engineering organisation that develops advanced communications and streaming technology used in mission-critical environments. This is an excellent opportunity for an experienced Embedded Software Engineer who enjoys solving complex technical problems and working across the full system stack rather than focusing solely on software development. The successful candidate will join a highly collaborative engineering team responsible for developing and supporting sophisticated embedded platforms used in demanding real-world applications. Key Responsibilities Design and develop software in C, C++ and Python Work on Embedded Linux-based systems Debug complex hardware and software interactions Support networking and communications applications Investigate and resolve system-level issues Work closely with hardware, FPGA and systems engineers Contribute throughout the full product lifecycle from development through...
Outside Spy
Jun 04, 2026
6 Months or more
Software Engineer (Java/AWS/Kafka/Cloud Architecture) at Endeavour Recruitment, Leicester, 6 Months, £400 per day
£400 per day
Outside Spy Leicester, UK
Software Engineer (Java/AWS/Kafka/Cloud Architecture) Location: Leicester (onsite, 5 days/week preferred) Contract: 6 months + Start Date: ASAP Day Rate: £400/day (Outside IR35) Role Overview A skilled Software Engineer is required to support a large-scale automation and warehousing programme. The role combines strong hands-on Java development with cloud engineering responsibilities across AWS and Real Time data streaming using Kafka. The engineer will contribute to the full software lifecycle, including design input, development, code reviews, and delivery of scalable, secure, and high-performance distributed systems within an Agile environment. Key Responsibilities Design, develop, and maintain Back End services using Java Build and deploy cloud-native applications on AWS Implement Real Time data streaming and event-driven architectures using Kafka Contribute to system design and technical solution development Perform code reviews and ensure high engineering...
Outside Spy
Jun 10, 2026
Duration not stated
Senior PHP Developer at Corecom Consulting, Greater Leeds Area, £400 per day
£400 per day
Outside Spy Leeds, UK
Senior Software Engineer 📍 Leeds (3 Days On-Site) | 💰 £400/day Outside IR35 We're supporting a growing UK business on the search for a Senior Software Engineer to play a key role in the evolution of their bespoke CRM platform. This is an opportunity to join a business at an exciting stage of growth. With ambitious plans to double revenue, expand internationally and pursue acquisitions, technology sits at the heart of the next phase of the journey. Working directly with the Founder and wider business teams, you'll be responsible for developing new CRM functionality, automating manual processes and removing operational bottlenecks that impact the business day-to-day. What You'll Be Doing Developing and extending a bespoke CRM platform built in PHP Working closely with business stakeholders to gather requirements and identify opportunities for improvement Building solutions across areas such as stock management, job scheduling and workflow automation...
Outside Spy
Jun 11, 2026
Duration not stated
AI Architect at Vermillion Analytics, London, £400 per day
£400 per day
Outside Spy London, UK
AI Architect | Contract | 6 Months | £400/day | Outside IR35 | Remote (UK Based) Start straight away The Opportunity A leading enterprise AI services firm is looking for a hands-on AI Architect to define and deliver next-generation GenAI and agentic AI platforms across a global client base. You 'll own end-to-end architecture across Azure AI Foundry, Databricks, and AWS - from discovery through production - and act as a trusted technical voice in pre-sales, CXO conversations, and partner co-innovation. Rate: £400/day Duration: 6 months IR35: Outside Location: Remote (UK based candidates only) What You 'll Be Doing Designing reference architectures and platform standards for repeatable, scalable client delivery Architecting production-grade GenAI platforms on Azure AI Foundry - RAG, copilots, and multi-agent systems Building Lakehouse-based AI platforms using Databricks, Mosaic AI, MLflow 3.0, and Unity Catalog Designing...
Outside Spy
Jun 10, 2026
Duration not stated
Senior Golang Engineer - Fully remote - Outside IR35 at IO Associates, England, £300-£400 per day
£300 - £400 per day
Outside Spy Remote (England, UK)
Senior Golang Engineer Fully Remote | Outside IR35 | Immediate Interviews Most Go contracts are either maintaining Legacy systems, sitting in endless meetings, or spending months waiting for decisions. This isn't one of them. We're looking for a Senior Golang Engineer to join a small, highly capable engineering team building and modernising business-critical platforms used by thousands of customers. You'll be working on genuinely interesting engineering challenges across cloud-native applications, distributed systems, APIs and platform modernisation projects, with the freedom to get stuck into the technical work rather than fighting process. If you enjoy building things, improving systems and solving problems, you'll probably enjoy this role. What you'll be working on Building scalable applications and services using Go Modernising Legacy platforms and helping shape future architecture Developing APIs and microservices used by customer-facing applications Working with...
Outside Spy
Jun 05, 2026
Duration not stated
Full Stack .NET Developer - SaaS | HealthTech | Scale-Up at Tenth Revolution Group, United Kingdom, £380 per day
£380 per day
Outside Spy United Kingdom
Full Stack Engineer (React/.NET) SaaS | Scale-up | HealthTech Remote (UK & Ireland) Contract - 6 months+ Rate: £380 p/d (Outside IR35) A fast-growing healthcare technology company is building an AI-driven SaaS platform used by organisations across the UK, Ireland, and Australia. The product is live, scaling quickly, and entering a key growth phase with multiple new modules being built from scratch. This is not a maintenance role or a legacy rebuild - it’s a genuine product engineering opportunity in a modern SaaS environment. The Role We’re looking for true full stack engineers who are comfortable working across both frontend and backend, and who have experience delivering features end-to-end in SaaS or MVP-stage products. You’ll work alongside experienced principal engineers, taking ownership of features from initial requirements through to production. This role requires a balanced skillset - building high-quality user interfaces as well as...
Outside Spy
Jun 03, 2026
Duration not stated
Full Stack Engineer at Leo Technology Limited, London, £400-£425 per day
£400 - £425 per day
Outside Spy London, UK
Full Stack Engineer - Azure, C#, .Net, React / ReactJS Outside IR35 12 Month Contract Fully Remote (UK only) £400 - 425 Per Day We 're currently working with a London based MedTech company who are searching for a Full Stack Engineer who has extensive experience working with Azure, C#, .Net and React / ReactJS. This project will see you working alongside a small existing team of developers, adding additional capacity to make business critical updates and enhancement to their existing Azure based core platform, with the bulk of the work will focus on enhancing the workflow engine! We are looking for an experienced Full Stack Engineer who is comfortable working on complex software platforms and is able to get up to speed quickly in new environments. Required Skills / Experience Extensive commercial experience with: Azure - Azure Functions, Azure API Management, Azure Services, Azure B2C Directory, Azure...
Outside Spy
Jun 03, 2026
Duration not stated
Python Developer - UK Remote Contract - Outside IR35 at Infused Solutions Ltd, United Kingdom, £280 to £300 per Day
£280 - £300 per day
Outside Spy Remote (United Kingdom)
Senior Backend Python Developer (Contract) Contract: Rolling 3-Month Contract Location: Fully Remote (UK Based Only) Rate: £300 per day IR35 Status: Outside IR35 Start Date: ASAP Please note: Applicants must be based in the UK. Sponsorship is not available for this position. The Opportunity We're working with a growing technology-driven organisation looking for a strong Senior Backend Python Developer to join their engineering team on an initial 3-month contract with a high likelihood of extension. This is a hands-on backend-focused role where you'll be responsible for designing, developing, and maintaining scalable services, APIs, and integrations that underpin critical business applications. You'll be working closely with architects, product teams, and fellow engineers to deliver high-quality solutions in a fast-paced Agile environment. The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering...
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