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11 Contract API jobs in Chesterfield + 20 miles
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Join a dynamic team in Digital Business Banking (DBB) UK, a leading service empowering small to medium-sized businesses to manage their banking online via web, mobile, and API channels.
Join a dynamic team in Digital Business Banking (DBB) UK, a leading service empowering small to medium-sized businesses to manage their banking online via web, mobile, and API channels.
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Senior Software Engineer - Golang - Banking
Senior Software Engineer - Golang - Banking
Essential Consulting
S1, Sheffield
Unspecified Competitive Daily Rate (inside IR35)
Background and Role - We are looking to onboard a Senior Software Engineer (Platform Engineer) on a contract basis for a large global bank. The Senior Software Engineer will join a small, dedicated 4-person team within Infrastructure in the Chief Technology Office. This is an initial 6 month contract with good potential for extension. The role will be hybrid and the preference is for it to be based at the banks offices in Sheffield, however Birmingham and Edinburgh office locations may also be considered. The initiative is part of the banks ransomware and data protection strategy, with the core mission of safeguarding cloud data (AWS/GCP) against ransomware attacks by creating tamper-proof, immutable copies of critical data. This role requires strong software engineering expertise in Golang and cloud-native engineering skills, with a focus on building resilient, secur
Background and Role - We are looking to onboard a Senior Software Engineer (Platform Engineer) on a contract basis for a large global bank. The Senior Software Engineer will join a small, dedicated 4-person team within Infrastructure in the Chief Technology Office. This is an initial 6 month contract with good potential for extension. The role will be hybrid and the preference is for it to be based at the banks offices in Sheffield, however Birmingham and Edinburgh office locations may also be considered. The initiative is part of the banks ransomware and data protection strategy, with the core mission of safeguarding cloud data (AWS/GCP) against ransomware attacks by creating tamper-proof, immutable copies of critical data. This role requires strong software engineering expertise in Golang and cloud-native engineering skills, with a focus on building resilient, secur
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Contract: Until end of 2025, rolling extensions - Inside IR35 - Were partnering with a leading financial services client in Sheffield who are seeking a Skilled Python Developer to join their team. Youll be instrumental in building scalable automation solutions to streamline and optimise database operations. This is a hybrid role (3 days per week in Sheffield), offering an initial contract until the end of the year with strong potential for rolling extensions. * Design, develop, and maintain automation solutions for database operations and rollouts * Build and integrate APIs for database management and automation workflows * Troubleshoot automation issues across scripting, APIs, and containerised environments * Proven experience in Python development & FastAPI * Strong knowledge of PostgreSQL database administration * Excellent problem-solving, debugging, and analytica
Contract: Until end of 2025, rolling extensions - Inside IR35 - Were partnering with a leading financial services client in Sheffield who are seeking a Skilled Python Developer to join their team. Youll be instrumental in building scalable automation solutions to streamline and optimise database operations. This is a hybrid role (3 days per week in Sheffield), offering an initial contract until the end of the year with strong potential for rolling extensions. * Design, develop, and maintain automation solutions for database operations and rollouts * Build and integrate APIs for database management and automation workflows * Troubleshoot automation issues across scripting, APIs, and containerised environments * Proven experience in Python development & FastAPI * Strong knowledge of PostgreSQL database administration * Excellent problem-solving, debugging, and analytica
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My client, a dynamic and growing technology-led organisation, is seeking a skilled IT Support Engineer to lead the technical delivery of cloud-centric infrastructure projects across a diverse client base. This is a hands-on role focused on delivering scalable, secure, and efficient solutions using Microsoft Azure and modern networking technologies. * Deliver cloud infrastructure and transformation projects, primarily on Microsoft Azure. * Ensure projects meet cost, time, scope, and compliance targets. * Collaborate with support and delivery teams for smooth service transition. * Provide clear project updates and documentation. * Identify automation opportunities and process improvements using Azure-native tools. * Mentor junior team members and promote knowledge sharing. * Support strategic account planning and resource reporting.
My client, a dynamic and growing technology-led organisation, is seeking a skilled IT Support Engineer to lead the technical delivery of cloud-centric infrastructure projects across a diverse client base. This is a hands-on role focused on delivering scalable, secure, and efficient solutions using Microsoft Azure and modern networking technologies. * Deliver cloud infrastructure and transformation projects, primarily on Microsoft Azure. * Ensure projects meet cost, time, scope, and compliance targets. * Collaborate with support and delivery teams for smooth service transition. * Provide clear project updates and documentation. * Identify automation opportunities and process improvements using Azure-native tools. * Mentor junior team members and promote knowledge sharing. * Support strategic account planning and resource reporting.
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Deploying, configuring and securing backend REST API services using CSP native services. * Building RESTful API Services.
Deploying, configuring and securing backend REST API services using CSP native services. * Building RESTful API Services.
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Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client usingPython,Golang, DockerandCloud-Native services. * Building RESTful API Services.
Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client usingPython,Golang, DockerandCloud-Native services. * Building RESTful API Services.
Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, Golang, Docker and Cloud-Native services. o Building RESTful API Services.
Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, Golang, Docker and Cloud-Native services. o Building RESTful API Services.
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Remote Senior Backend Python Developer - 4 Day Week. AI SaaS Tech
Remote Senior Backend Python Developer - 4 Day Week. AI SaaS Tech
Recruitment Revolution
S1, Sheffield
£70,000 - £90,000 DOE + Benefits
This role is ideal for someone experienced in backend API development and working with modern data infrastructure. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. • API development with Falcon framework
This role is ideal for someone experienced in backend API development and working with modern data infrastructure. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. • API development with Falcon framework
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We are a leading print ecommerce company dedicated to delivering high-quality print products and exceptional customer experiences. Our focus on innovation and customer satisfaction drives us forward, and we are currently seeking a talented Senior Software Engineer to join our dynamic team. An opportunity has arisen to join our Internal Systems team who are the key development team involved in all our Business Systems, from our state of the art production facility, to our dedicated service and studio teams, technology is at the heart of driving all of this. If you have a passion for leveraging advanced technologies to enhance and develop solutions improving processes and optimise results in all areas of the organisation - this is an excellent opportunity for you. * This position is office based at our office in Manvers, Rotherham.
We are a leading print ecommerce company dedicated to delivering high-quality print products and exceptional customer experiences. Our focus on innovation and customer satisfaction drives us forward, and we are currently seeking a talented Senior Software Engineer to join our dynamic team. An opportunity has arisen to join our Internal Systems team who are the key development team involved in all our Business Systems, from our state of the art production facility, to our dedicated service and studio teams, technology is at the heart of driving all of this. If you have a passion for leveraging advanced technologies to enhance and develop solutions improving processes and optimise results in all areas of the organisation - this is an excellent opportunity for you. * This position is office based at our office in Manvers, Rotherham.
United Kingdom * 5761 * Employee Regular Full Time - Job Description Overview - Are you ready for whats next, now? About the Role - The successful candidate will play a key role in the design, development, and maintenance of our ERP software systems, working with technologies including VB.Net, C#, SQL, Python, PHP and Java, and bringing valuable experience with software models, system architecture, and infrastructure. Experience with full stack development will be considered a significant advantage. Key Responsibilities * Design, develop, and maintain new modules and applications using languages such as VB.Net, C#, SQL, Python, PHP and Java. * Design, code, test, and deploy new features or enhancements to existing modules for Windows-based platforms. * Build and refine user interfaces using frameworks such as WinForms, focusing on usability and consistency.
United Kingdom * 5761 * Employee Regular Full Time - Job Description Overview - Are you ready for whats next, now? About the Role - The successful candidate will play a key role in the design, development, and maintenance of our ERP software systems, working with technologies including VB.Net, C#, SQL, Python, PHP and Java, and bringing valuable experience with software models, system architecture, and infrastructure. Experience with full stack development will be considered a significant advantage. Key Responsibilities * Design, develop, and maintain new modules and applications using languages such as VB.Net, C#, SQL, Python, PHP and Java. * Design, code, test, and deploy new features or enhancements to existing modules for Windows-based platforms. * Build and refine user interfaces using frameworks such as WinForms, focusing on usability and consistency.
Snr. Site Reliability Engineer (Remote position located in Leeds/Sheffield, United Kingdom)
Snr. Site Reliability Engineer (Remote position located in Leeds/Sheffield, United Kingdom)
KnowBe4
Sheffield, South Yorkshire
Competitive
Cloud-native infrastructure in AWS - ECS, Lambda, Step Functions, SNS/SQS, Transit Gateway, Aurora, DynamoDB, CloudFront, S3, AppSync, API Gateway, and many more.
Cloud-native infrastructure in AWS - ECS, Lambda, Step Functions, SNS/SQS, Transit Gateway, Aurora, DynamoDB, CloudFront, S3, AppSync, API Gateway, and many more.
211 exact matches jobs are outside your preferred location
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QA Test Engineer / Technical Lead C# Postman API
QA Test Engineer / Technical Lead C# Postman API
Client Server
NG1, Nottingham, NG1 7AB
£55000 - £65000 per annum
You have strong API testing experience, ideally with Postman - Apply now to find out more about this QA Test Engineer / Technical Lead (C# Postman API SaaS) opportunity.
You have strong API testing experience, ideally with Postman - Apply now to find out more about this QA Test Engineer / Technical Lead (C# Postman API SaaS) opportunity.
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On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident developing in more than one modern OO programming languages e.g. PHP, Python etc. and Linux — we’d love to hear from you.
On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. You’ll work on varied and meaningful projects; from API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. If you’ve worked in backend development, software engineering, or API management — and you’re confident developing in more than one modern OO programming languages e.g. PHP, Python etc. and Linux — we’d love to hear from you.
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Are you excited about Golang, Jenkins, Dockers, Kubernetes, architecture, test driven development, API's and everything open source?
Are you excited about Golang, Jenkins, Dockers, Kubernetes, architecture, test driven development, API's and everything open source?
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Data Integration Engineer
Data Integration Engineer
Chroma Recruitment Ltd
City Centre, M1
£400 - £500 per day, Benefits Fully remote - UK based ONLY
Experience with building and maintaining API integrations and data pipelines (REST, JSON, XML, JDBC)
Experience with building and maintaining API integrations and data pipelines (REST, JSON, XML, JDBC)
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oStrong knowledge and working experience with Retrofit for API integration.
oStrong knowledge and working experience with Retrofit for API integration.
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Front-End Web Developer (WordPress & Bricks Builder Specialist)
Front-End Web Developer (WordPress & Bricks Builder Specialist)
Chroma Recruitment Ltd
Crawshawbooth, BB4
£30000 - £35000 per annum
Experience with custom PHP functions and API integrations
Experience with custom PHP functions and API integrations
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If you're passionate about API strategy, product development, and driving resilience across software systems, this role will put you right at the centre of meaningful change. * Strong understanding of API product strategy, backlog management, and developer experience (DX).
If you're passionate about API strategy, product development, and driving resilience across software systems, this role will put you right at the centre of meaningful change. * Strong understanding of API product strategy, backlog management, and developer experience (DX).
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Solid experience with React, including Hooks, Context API, and both class/function-based components
Solid experience with React, including Hooks, Context API, and both class/function-based components
Solid understanding of GraphQL and RESTful API design
Solid understanding of GraphQL and RESTful API design
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Oversee and coordinate API integrations with HubSpot, finance systems, banking platforms, tenant portals, and BI tools. * Define test scripts for integrations (HubSpot sync, API data flows, reporting pipelines). * Hands-on experience managing API integrations and working with developers on system connectivity.
Oversee and coordinate API integrations with HubSpot, finance systems, banking platforms, tenant portals, and BI tools. * Define test scripts for integrations (HubSpot sync, API data flows, reporting pipelines). * Hands-on experience managing API integrations and working with developers on system connectivity.
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Experience in API and BDD testing
Experience in API and BDD testing
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Senior / Lead Node.js Developer SaaS Company (Manchester)
Senior / Lead Node.js Developer SaaS Company (Manchester)
INFUSED SOLUTIONS LIMITED
M1, Manchester
£80000 - £90000 per annum
Location: Manchester (Hybrid - 2-3 days in the office) Type: Permanent - Salary: £80,000 - £90,000 + Benefits - Eligibility: Must be UK-based. Unfortunately, sponsorship is not available. Are you an experienced Node.js Developer with a passion for building scalable, cloud-based applications? Our client, a fast-growing SaaS company in Manchester, is seeking a Senior / Lead Node.js Developer to join their engineering team and play a key role in shaping their product roadmap. What You'll Do * Lead the design and development of high-quality, scalable backend solutions using Node.js and TypeScript * Mentor and support other developers, driving best practices and technical excellence * Work in a modern cloud environment with GCP / AWS / Azure services * Contribute to DevOps adoption, CI/CD pipelines, and containerisation with Docker
Location: Manchester (Hybrid - 2-3 days in the office) Type: Permanent - Salary: £80,000 - £90,000 + Benefits - Eligibility: Must be UK-based. Unfortunately, sponsorship is not available. Are you an experienced Node.js Developer with a passion for building scalable, cloud-based applications? Our client, a fast-growing SaaS company in Manchester, is seeking a Senior / Lead Node.js Developer to join their engineering team and play a key role in shaping their product roadmap. What You'll Do * Lead the design and development of high-quality, scalable backend solutions using Node.js and TypeScript * Mentor and support other developers, driving best practices and technical excellence * Work in a modern cloud environment with GCP / AWS / Azure services * Contribute to DevOps adoption, CI/CD pipelines, and containerisation with Docker
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Solution Architect (Contract) Outside IR35 West Yorkshire
Solution Architect (Contract) Outside IR35 West Yorkshire
Computer Futures
Bagby Fields, LS1
£525 - £600 per day
Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
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Senior Software Engineer
Senior Software Engineer
AJ BELL BUSINESS SOLUTIONS LIMITED
Salford Quays, M5 3EE
From £70,000 to £80,000 per annum Competitive plus bonus and benefits
Experience/Familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS)
Experience/Familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS)
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