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Overview
Looking for top CONTRACT Frontend Engineer jobs? Haystack connects skilled frontend developers with leading companies offering flexible contract opportunities. Explore the latest contract frontend engineering roles and boost your career with exciting projects today!
Software Developer
Bowerford Associates
Exeter
Hybrid
Mid - Senior
£42,000/day - £55,000/day
RECENTLY POSTED
+2

I am searching for a number of experienced C# / .NET Software Developers who can use their development skills and expertise to produce high quality, innovative solutions for a wide range of customers. You will work openly and collaboratively with a diverse range of technical and subject matter experts within the technology department and throughout the whole business. Please note, these roles are offered on a hybrid-working basis. These are NOT remote positions, and you are required in the office two (2 days) per week. Therefore, you MUST live within a commutable distance of Exeter, Devon, or you will be able to relocate to the area in order to be considered for the roles. In this role you will be responsible be: - Using Agile methodologies for the design, development and acceptance of software solutions. Working collaboratively with the Product Owner to understand the customer requirements and gain an understanding of implementation to inform solution scoping. You will perform critical assessments, challenge assumptions and identify most appropriate acceptance criteria that mitigate potential risk. You will be responsible for requirements analysis, scoping, specification definition, data analysis and project management as required to meet the needs of the solutions. Creating production code and performing code reviews with the team, you will be equally comfortable working alone or in pairs or mob. Please note - experience of pair programming or mob programming is not required to be considered for the role but you MUST be open and prepared to work this way as TDD and pairing accounts for 85% of the day! You will comprehend and use established design patterns and best practices, taking responsibility and holding self to account for high quality and maximal efficiency of deliverables. You will be eager to learn and research solutions and share findings with others, playing an active, positive collaborative role with colleagues and customers. You will be utilising AI implementing software development using AI agentic to enhance productivity and efficiency through intelligent task management, seamless communication, and adaptive learning. Please note, AI is used as a tool but not for coding purposes. Integrate sustainable practices into software development processes to minimise environmental impact, enhance resource efficiency, and promote long-term sustainability.To be a success in this role you require in-depth commercial experience in the following key areas: - Analysis and Design C# MVC .NET framework SOLID Principles A desire to work in a Pair Programming / Mob Programming environment. TSQL / SQL Test Automation TDD Refactoring Unit Testing / Mocking JavaScript frameworks such as React (or similar) Experience with using ORM (e.g. Entity Framework) Agile & Scrum development methodologies Able to present self verbally in a presentation or meeting situation. We are looking to speak with candidates who are good communicators, both verbal and written, candidates who can communicate with external stakeholders and internal team members, for example, during agile ceremonies. You will ideally be Educated to University standard with an IT-related degree. Any experience with BDD, DDD, PowerShell, Azure / AWS and using agentic AI environments, i.e. Cline, Copilot, Gemini, is highly desirable. The role comes with an excellent benefits package including, 25 days holiday + bank holidays, ability to purchase extra holidays, bonus scheme, life assurance, flexible Health cash-back scheme, health and wellbeing allowance, health insurance with long-term sickness, electric car scheme, cycle to work scheme, enhanced maternity/paternity, flexible working, excellent company culture, training and education opportunities, free car parking, values-led business and much more! KEYWORDS Analysis and Design, C#, MVC, .NET framework, SOLID Principles, Pair Programming / Mob Programming, TSQL, SQL, Test Automation, TDD, Refactoring, Unit Testing, Mocking, JavaScript Frameworks, React or similar, ORM, Entity Framework, Agile, Scrum. Please note, to be considered for this opportunity you MUST have the Right to Work in the UK long-term without company sponsorship as our client is not looking to sponsor candidates for these vacancies. Please note that due to a high level of applications, we can only respond to applicants whose skills and qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. Bowerford Associates Ltd is acting as an Employment Agency in relation to this vacancy

Microsoft 365 Application Developer
Artis Recruitment
Gloucester
Hybrid
Mid - Senior
£400/day - £500/day

SharePoint / Microsoft 365 Application Developer required by our market leading client in Bristol. This will be a 3 month initial contract, likely to extend and will sit Outside IR35.

We are looking for an experienced SharePoint / Microsoft 365 Application Developer to support ongoing digital transformation projects. This is a hands-on role requiring strong technical expertise, problem-solving skills, and the ability to deliver independently in a fast-paced environment.

Key Responsibilities:

  • Design, develop, and maintain SharePoint Online sites, libraries, lists, and workflows.
  • Build custom solutions using Power Apps, Power Automate, and PowerShell.
  • Develop modern SharePoint components using SPFx (SharePoint Framework).
  • Integrate Microsoft 365 services including Teams, OneDrive, Azure AD, and Exchange Online.
  • Migrate content from legacy SharePoint or file systems into SharePoint Online.
  • Create reusable templates, components, and governance-aligned solutions.
  • Troubleshoot and resolve issues across SharePoint and Microsoft 365 applications.
  • Ensure solutions follow security, compliance, and best practice guidelines.

Essential Skills & Experience:

  • Strong experience with SharePoint Online development and configuration.
  • Expertise in SPFx, TypeScript, React, and modern SharePoint development.
  • Deep understanding of Power Platform (Power Apps, Power Automate).
  • Experience with Microsoft Graph API and REST APIs.
  • Strong knowledge of Azure AD, permissions, and identity management.
  • Understanding of Microsoft 365 governance, security, and compliance.

Desirable Skills:

  • Experience with SharePoint migrations (ShareGate, AvePoint, etc.).
  • Knowledge of Azure Functions, Logic Apps, or other Azure services.
  • Teams app development and AI experience.
  • Familiarity with DevOps pipelines for SPFx deployments.
  • Understanding of information architecture and UX best practices.

Ideal Candidate:

  • Someone who can take ownership of requirements and deliver end-to-end solutions.
  • Comfortable working in a hybrid or remote environment.
  • Able to advise on best practices and suggest improvements to existing processes.
Full Stack Developer
VANLOQ LIMITED
Glasgow
Hybrid
Mid - Senior
Private salary

JobTitle:FullStackDeveloper

ContractLength:6months(initial)

Location:GlasgowHybrid(3daysperweekonsite)

Sector:FinancialServices

IR35Status:InsideIR35

Overview

WeareworkingwithaleadingfinancialservicesclientwhoisseekinganexperiencedFullStackDevelopertojointheirtechnologyteamonaninitial6-monthcontract.Thisroleoffersahybridworkingmodel,withthreedaysperweekrequiredonsiteinGlasgow.

Youllbepartofamodernengineeringteamdeliveringscalable,cloud-basedsolutions,workingacrossbothbackendandfrontendtechnologiesinadistributeddata-drivenenvironment.

KeyResponsibilities

  • Design,develop,andmaintainfullstackapplicationsinafinancialservicesenvironment
  • BuildandenhancebackendservicesusingJavaand/orScala
  • Developmodern,responsiveuserinterfacesusingAngularorsimilarframeworks
  • Workwithdistributedcomputeanddataprocessingtechnologies
  • Contributetocloud-nativesolutionshostedonAzure
  • Collaboratewithcross-functionalteamsincludingproductowners,architects,anddataengineers
  • Ensurehighstandardsofcodequality,performance,andsecurity

RequiredSkills&Experience

  • StrongFullStackdevelopmentexperience
  • BackenddevelopmentwithJavaand/orScala
  • FrontenddevelopmentusingAngularorasimilarmodernJavaScriptframework
  • Experiencewithdistributedcomputeconceptsandtoolssuchas:
  • ApacheSpark
  • Databricks
  • ApacheBeam(orsimilar)
  • SolidexperiencewithAzurecloudtechnologies
  • Databaseexperiencewithcloudandrelationaldatabases,e.g.Snowflake,Sybase,orsimilar
  • GoodworkingknowledgeofUnix/Linuxenvironments

NicetoHave

  • Experienceworkingwithinfinancialservicesorregulatedenvironments
  • FamiliaritywithCI/CDpipelinesandDevOpspractices
  • Exposuretolarge-scaledataplatformsoranalyticssystems

WhatsonOffer

  • CompetitiveinsideIR35dayrate
  • Hybridworkingwithastrongon-siteengineeringculture
  • Opportunitytoworkoncomplex,enterprise-scalesystems
  • Initial6-monthcontractwithpotentialforextension

IfyoureaFullStackDeveloperwithstrongbackend,frontend,andcloudexperiencelookingforyournextcontractroleinGlasgow,wedlovetohearfromyou.

Software Developer
Bowerford Associates Limited
Exeter
Hybrid
Mid - Senior
£42,000/day - £55,000/day
+2

I am searching for a number of experienced C# / .NET Software Developers who can use their development skills and expertise to produce high quality, innovative solutions for a wide range of customers. You will work openly and collaboratively with a diverse range of technical and subject matter experts within the technology department and throughout the whole business. Please note, these roles are offered on a hybrid-working basis. These are NOT remote positions, and you are required in the office two (2 days) per week. Therefore, you MUST live within a commutable distance of Exeter, Devon, or you will be able to relocate to the area in order to be considered for the roles. In this role you will be responsible be: - \* Using Agile methodologies for the design, development and acceptance of software solutions. \* Working collaboratively with the Product Owner to understand the customer requirements and gain an understanding of implementation to inform solution scoping. \* You will perform critical assessments, challenge assumptions and identify most appropriate acceptance criteria that mitigate potential risk. \* You will be responsible for requirements analysis, scoping, specification definition, data analysis and project management as required to meet the needs of the solutions. \* Creating production code and performing code reviews with the team, you will be equally comfortable working alone or in pairs or mob. Please note - experience of pair programming or mob programming is not required to be considered for the role but you MUST be open and prepared to work this way as TDD and pairing accounts for 85% of the day! \* You will comprehend and use established design patterns and best practices, taking responsibility and holding self to account for high quality and maximal efficiency of deliverables. \* You will be eager to learn and research solutions and share findings with others, playing an active, positive collaborative role with colleagues and customers. \* You will be utilising AI implementing software development using AI agentic to enhance productivity and efficiency through intelligent task management, seamless communication, and adaptive learning. Please note, AI is used as a tool but not for coding purposes. \* Integrate sustainable practices into software development processes to minimise environmental impact, enhance resource efficiency, and promote long-term sustainability. To be a success in this role you require in-depth commercial experience in the following key areas: - \* Analysis and Design \* C# \* MVC \* .NET framework \* SOLID Principles \* A desire to work in a Pair Programming / Mob Programming environment. \* TSQL / SQL \* Test Automation \* TDD \* Refactoring \* Unit Testing / Mocking \* JavaScript frameworks such as React (or similar) \* Experience with using ORM (e.g. Entity Framework) \* Agile & Scrum development methodologies \* Able to present self verbally in a presentation or meeting situation. We are looking to speak with candidates who are good communicators, both verbal and written, candidates who can communicate with external stakeholders and internal team members, for example, during agile ceremonies. You will ideally be Educated to University standard with an IT-related degree. Any experience with BDD, DDD, PowerShell, Azure / AWS and using agentic AI environments, i.e. Cline, Copilot, Gemini, is highly desirable. The role comes with an excellent benefits package including, 25 days holiday + bank holidays, ability to purchase extra holidays, bonus scheme, life assurance, flexible Health cash-back scheme, health and wellbeing allowance, health insurance with long-term sickness, electric car scheme, cycle to work scheme, enhanced maternity/paternity, flexible working, excellent company culture, training and education opportunities, free car parking, values-led business and much more! KEYWORDS Analysis and Design, C#, MVC, .NET framework, SOLID Principles, Pair Programming / Mob Programming, TSQL, SQL, Test Automation, TDD, Refactoring, Unit Testing, Mocking, JavaScript Frameworks, React or similar, ORM, Entity Framework, Agile, Scrum. Please note, to be considered for this opportunity you MUST have the Right to Work in the UK long-term without company sponsorship as our client is not looking to sponsor candidates for these vacancies. Please note that due to a high level of applications, we can only respond to applicants whose skills and qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. Bowerford Associates Ltd is acting as an Employment Agency in relation to this vacancy.

SC Cleared Data Engineer
83zero Ltd
City of London
In office
Mid - Senior
£500/day - £550/day
+1

Day rate: £500 - £550 Inside IR35 Location: London Key Responsibilities Design, build, and maintain scalable data pipelines, ETL processes, and data integrations. Develop and optimize data models, storage solutions, and analytics environments. Partner with UX/UI designers to create user-friendly dashboards, data tools, and internal products. Implement visualizations that make complex datasets understandable for technical and non-technical users. Work with cross-functional teams to translate product requirements into technical designs. Ensure data quality, governance, and best practices across systems. Contribute to the evolution of our design systems and front-end components for data tools. Required Skills & Experience Proven experience as a Data Engineer, BI Engineer, or similar role. Strong proficiency in SQL, Python, and modern data engineering frameworks (e.g., Airflow, dbt, Spark, etc.). Experience with cloud platforms such as AWS, Azure, or GCP. Solid understanding of data warehousing and ETL/ELT architecture. Demonstrable UX/UI skills: wireframing, prototyping, and designing clean, intuitive interfaces. Experience with front-end technologies (e.g., React, Vue, or similar) is a plus. Familiarity with visualization tools (e.g., Tableau, Power BI, or custom solutions)

SC Cleared Data Engineer
83zero Ltd
London
In office
Mid - Senior
£500/day - £550/day

Day rate: 500 - 550 Inside IR35

Location: London

Key Responsibilities

  • Design, build, and maintain scalable data pipelines, ETL processes, and data integrations.
  • Develop and optimize data models, storage solutions, and analytics environments.
  • Partner with UX/UI designers to create user-friendly dashboards, data tools, and internal products.
  • Implement visualizations that make complex datasets understandable for technical and non-technical users.
  • Work with cross-functional teams to translate product requirements into technical designs.
  • Ensure data quality, governance, and best practices across systems.
  • Contribute to the evolution of our design systems and front-end components for data tools.

Required Skills & Experience

  • Proven experience as a Data Engineer, BI Engineer, or similar role.
  • Strong proficiency in SQL, Python, and modern data engineering frameworks (e.g., Airflow, dbt, Spark, etc.).
  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Solid understanding of data warehousing and ETL/ELT architecture.
  • Demonstrable UX/UI skills: wireframing, prototyping, and designing clean, intuitive interfaces.
  • Experience with front-end technologies (e.g., React, Vue, or similar) is a plus.
  • Familiarity with visualization tools (e.g., Tableau, Power BI, or custom solutions).
Spotlight
UX Designer/ Developer - Contractor
Automated Creative
London
Remote or hybrid
Senior
Private salary

About You: We’re looking for a UX Designer & Developer who is passionate about creating beautiful, intuitive user experiences. You’re not just a designer—you’re a problem solver who thrives on turning complex challenges into seamless solutions. Your skill set spans UX, UI, and front-end development, and you have a deep understanding of how design choices impact usability. You’ll be a leader in shaping the look and feel of our platform, guiding the team in best practices and setting the bar for exceptional design. What We’re Looking For: - Extensive experience in UX and UI, ideally within a B2B SAAS environment. Designing intuitive, simple solutions to complex problems. - Experience in front-end web development and proven ability to create user-centric, visually appealing designs (ideally in a B2C product environment) - Strong knowledge of TypeScript, React, CSS and HTML. Experience with the Material UI library is a bonus. - Passion for clean, maintainable code and an eye for UX/UI excellence. - Solid understanding of browser rendering in both desktop and mobile - A collaborative mindset to guide the team in best practices and future direction. - Excitement about reshaping the advertising automation and insight process with innovative solutions. About Automated Creative: - Automated Creative makes and optimises ad creative using live data and insight. - Our platform helps performance marketers scale social, display and retail media campaigns. - AC is the fastest way to launch, scale and learn what makes ad creative work. - We are dedicated to providing real, actionable insight to our clients and agency partners. We need to build the platform which allows the most seamless access to these possible Why Join Us? - Impact: Your work will directly improve the experience for our new SAAS offering, saving valuable time and effort, creating an end to end solution from build to insight. - Focus on technology: Work directly with our tech-oriented team who understand programmers, and know how to deliver quality software - Growth: Shape your role, develop and test your skills, and steer the direction of our technology and product. - Culture: We’re a small, collaborative team, which means quick decision making and greater autonomy. About The Role: As a UX/UI Developer you’ll: - Solve real-world problems with creativity and advanced product knowledge. - Turn solutions into intuitive, workable products that seem obvious once implemented and tested by agencies and blue chip clients across the industry. - Lead design discussions, set best practices, and mentor the team on UX and UI. - Collaborate across teams to deeply understand user needs and deliver revolutionary solutions. - Be responsible for dramatically iterating our current processes and designs. - Influence company-wide decisions and have a say in what we build and how we build it.

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Frequently asked questions
Haystack offers a variety of contract Frontend Engineer positions, ranging from short-term projects to long-term contracts across different industries, including startups, tech companies, and agencies.
To apply, simply create a profile on Haystack, upload your resume, and browse the available contract Frontend Engineer listings. When you find a job that fits, click the apply button and follow the instructions provided.
Both options are available. Many contract Frontend Engineer jobs on Haystack offer remote work opportunities, but some may require you to work on-site depending on the employer's requirements. You can filter jobs based on your preference.
Common skills for contract Frontend Engineers include proficiency in JavaScript frameworks like React, Angular, or Vue.js, HTML, CSS, version control systems like Git, and experience with responsive design and cross-browser compatibility.
Haystack facilitates the connection between you and the employer but contract negotiations including duration, pay rate, and other terms are typically handled directly between the contractor and the employer once you are shortlisted or offered the job.