1 to 25 of 27 Contract Senior Developer Jobs in the South East

Senior Snowflake Developer Hybrid - 4 days on-site p/w in London Initial Contract to 30th June 2027 Inside IR35 up to £771.94 per day Umbrella Rate Are you a Senior Snowflake Developer who wants to build the data platform behind credit risk reporting … leading financial services organisation? We're recruiting for a contract Senior Snowflake Developer position in a credit risk reporting function that is migrating legacy SQL Server platforms (SSIS, SSRS and SSAS) onto Snowflake, dbt and Python, with Power BI reporting on top. You'll rebuild existing transformation logic ...

Senior Software Engineer with AI We're recruiting for a sustainability business investing in its next generation of digital products. They're looking for a talented Senior Developer who combines strong development skills with practical experience of AI-assisted coding, generative AI and intelligent automation. What … with measurable operational and sustainability impact. Hybrid working schedule - 2-3 days a week onsite near Eastleigh, Southampton. £65,000 - £75,000 + benefits Senior Developer, Senior Software Engineer, Technical Lead If you're already building with AI and want greater ownership of what comes next, apply ...

Senior Salesforce Developer 12 Month contract 600 a day Inside IR35 Location - London/Hybrid We are looking for an experienced Senior Salesforce Developer to take a leading hands-on role in the continued development and enhancement of a multi-org Salesforce estate. The organisation currently … have gone beyond theoretical exposure and have personally designed, built and implemented Agentforce agents into a production environment . Key Responsibilities Act as a senior hands-on developer across the Salesforce estate. Design, build, test and deploy scalable Salesforce solutions using Apex, Lightning Web Components (LWC), SOQL ...

Title: Senior Developer - AI Enablement (AWS Bedrock, Python/TypeScript, AI Gateway) Location: Remote (UK-based) Rate: Negotiable/Competitive (Inside IR35) Duration: 6 Months Initial Clearance: SC Clearance Required - active clearance used on a government project within the last 12 months. Overview: Contract opportunity for a Senior Developer (AI Enablement) to join a team building a central Enterprise AI Gateway. This hands-on role blends strong production backend and cloud engineering with practical generative AI integration, including LLM APIs, agentic tooling, and enterprise security controls. Key Responsibilities: Design, build, test, and maintain backend microservices ...

Senior ServiceNow Developer Key responsibilities: * Work with the ServiceNow Engagement Lead and business stakeholders to translate agreed requirements into functional and technical solution designs, contributing to and, where appropriate, facilitating solution-design workshops. * Design, configure, develop and implement end-to-end ServiceNow solutions, including Flow Designer workflows, Business … configure and help embed approved ServiceNow AI capabilities, including Now Assist and AI Agents, into new and existing solutions. * Work with the Principal ServiceNow Developer on more advanced agentic use cases and contribute to the platform's AI roadmap. * Design, develop and support integrations between ServiceNow and other enterprise ...

Senior ServiceNow Developer - Permanent - London (hybrid) - £85,000 to 95,000 per annum A fantastic opportunity has arisen for a Senior ServiceNow Developer to join a London-based global law firm. Key Responsibilities Translate business requirements into functional and technical ServiceNow solution designs. Design, configure … independently within Agile/Scrum environments and engaging both technical and business stakeholders. ServiceNow CSA, CAD and/or relevant CIS certification is desirable. Senior ServiceNow Developer - Permanent - London (hybrid) - £85,000 to 95,000 per annum In accordance with the Employment Agencies and Employment Businesses Regulations ...

Senior Frontend Developer Location: Portsmouth, Hampshire Working Pattern: Office-based during probation, then minimum 3 days onsite per week Salary: £60,000 - £70,000 plus benefits An opportunity has arisen for an experienced Senior Frontend Developer to join an established technology business specialising in payment infrastructure … frontend development, using TypeScript, JavaScript, Tailwind CSS and modern build tooling, rather than relying heavily on traditional frontend frameworks. The Role As a Senior Frontend Developer, you'll take responsibility for designing, developing and improving frontend applications used across the business. Working closely with UI/UX designers ...

deeply embedded within our DNA. Invest in us and we'll invest in you!. Job Description We are seeking an experienced Senior OutSystems Developer to oversee the design, development, and deployment of enterprise-grade applications using the OutSystems low-code platform. The successful candidate will have … proven track record of leading technical teams, delivering robust software solutions, and applying industry best practices in Agile environments. As a Senior Developer, you will take responsibility for ensuring quality standards, mentoring team members, and providing technical expertise in software development, systems design, and deployment. You will ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … systems and extensive datasets. Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Extensive experience in Python as your primary language. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control ...

Senior Ruby on Rails Engineer £600/day Inside IR35 | 6 Months | Predominantly Remote We are seeking a Senior Ruby on Rails Engineer to join a large-scale content transformation programme. This role goes beyond development, requiring someone who can lead technical discovery, solve complex business challenges … Rails services Contribute to architecture and technical strategy Collaborate with multidisciplinary teams Support delivery within a complex digital environment We're Looking For: Senior Software Engineers, Technical Leads or Lead Ruby Engineers Experience delivering production systems at scale Strong ownership mindset and technical judgement Comfortable working with ambiguity ...

Senior Salesforce Developer/£70,000-80,000/Remote I'm currently working with a fast-growing Salesforce implementation partner who are on the lookout to add an extra pair of technical hands to their remote workforce as soon as possible. You will get the chance ...

Senior Backend Developer (Java/Spring Boot/AWS) Rate: £500 - £600 Outside IR35 Location: London - 3 times on site a month Duration: 6 months initial The role: I'm working with a financial services organisation that needs a Senior Backend Developer to build and maintain ...

work and life About the Role This is more than just a job, it's an opportunity to lead, innovate, and grow. As a Senior Software Developer in Test , you'll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Lead … lookout for passionate, talented individuals who are ready to make an impact. Whether you're an experienced automation tester or a developer with a flair for QA, we want to hear from you. ...

Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants … delighted to partner with an award-winning legal technology provider who are continuing to grow and looking to add an experienced Fully Remote Senior Full Stack Python Developer to join their dev team as a solo Python Developer. You will have support from an experienced Product team. This ...

Senior Python Engineer | Infrastructure Automation Southampton, Hampshire Hybrid, 2 days a week onsite £75k plus 8% bonus, 10% pension, private healthcare 5+ years commercial experience with Python We're recruiting for a Senior Python Engineer to join a global AI & SaaS specialist. This is an opportunity to work ...

experienced Senior Salesforce Developer with a passion for building scalable, high-performing, enterprise-grade solutions? We're looking for a talented developer to join us on a 12-month contract and play a key role in the ongoing development and evolution of our Salesforce platform. Working closely … high-quality enterprise solutions. Essential Skills and Experience To succeed in this role, you'll bring at least five years' experience as a Salesforce Developer, with strong hands-on expertise in complex Salesforce development, customisation, cloud solutions and enterprise integrations. You'll demonstrate: Salesforce Development: Deep technical expertise ...

Senior Python Developer | Tech Lead | Principal Engineer Python | Terraform | IaC | Cloud Automation Southampton | Hybrid (2 days onsite) £100k + 8-10% bonus, private medical Are you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code? We're recruiting for an experienced Python ...

Senior Ruby on Rails Engineer £600/day Inside IR35 | 6 Months | Predominantly Remote We are seeking a Senior Ruby on Rails Engineer to join a large-scale content transformation programme. This role goes beyond development, requiring someone who can lead technical discovery, solve complex business challenges … Rails services Contribute to architecture and technical strategy Collaborate with multidisciplinary teams Support delivery within a complex digital environment We're Looking For: Senior Software Engineers, Technical Leads or Lead Ruby Engineers Experience delivering production systems at scale Strong ownership mindset and technical judgement Comfortable working with ambiguity ...

looking for an experienced Senior Software Developer to join a highly technical engineering team developing systems that directly support trading strategies, automated trading, and quantitative research. This opportunity suits a strong C#/.NET engineer who enjoys complex technical challenges, performance-critical development and influencing how software … chance to build high-performance software alongside colleagues with deep technical and quantitative expertise. If you're an experienced C#/.NET developer looking for technical depth and the opportunity to shape complex systems, we'd like to hear from you. Spectrum IT Recruitment (South) Limited is acting ...

software is already being used within the business, with new applications approaching launch and further products in development. They now need an experienced developer who can take ownership of technical delivery, turn ambitious ideas into reliable software and help build the foundations of a commercial SaaS business. This … opportunity to have a genuine influence on the products, architecture and technical direction, rather than simply working through an established development backlog. Senior Software Developer - AI & SaaS Location: Ramsgate, Kent Salary: Up to £85,000 depending on experience Working pattern: Office-based, five days per week Contract: Permanent ...

deeply embedded within our DNA. Invest in us and we'll invest in you!. Job Description We are seeking an experienced Senior Software Engineer with strong Perl development expertise to design, develop, maintain, and enhance business-critical applications and services. The successful candidate will work within Agile delivery ...

title: Senior Oracle Fusion Cloud Developer Company: VE3 Security clearance : Current UK SC clearance or higher is essential, subject to verification and any required transfer or client approval. About the role VE3 is seeking a Senior Oracle Fusion Cloud Developer to design, build, maintain, test ...

Python Developer – Market Risk Technology London | VP Level | £150,000 base + bonus | Hybrid We are working with a leading global investment bank that is continuing to invest heavily in the build out of a new generation Risk Management platform . The programme is replacing and modernising legacy risk … been onboarded, with further areas including FX, Fixed Income and Mortgages still to be built out. They are now looking for an experienced Python Developer with strong Market Risk knowledge to join the team and play a hands on role in the continued development of the platform. The Role ...

What You'll Be Doing As a Senior Python Engineer, you'll be responsible for designing, developing and enhancing the batch processing and operational systems that support one of the world's leading exchange operators. You'll: Design and build robust, highly reliable Python applications that underpin Client ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … time market operations. High-visibility role within a performance-driven engineering culture. Strong focus on continuous learning and technical excellence. Clear progression opportunities into senior technical and leadership roles. CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender ...