DemandTrendContract API Development Jobs in London

11 of 11 DemandTrendContract API Development Jobs in London

Web Developer (Data Visualisation)

London, South East, England, United Kingdom
Digimasters Ltd
with cross-functional teams to translate requirements into technical solutions Optimise application performance and ensure scalability, maintainability, and security best practices are met Stay up to date with web development trends, frameworks, and emerging technologies relevant to data applications EXPECTATIONS IN THE ROLE The following skills and attributes are essential for success in this role: Full-Stack Web Development … from front-end to back-end, with a focus on integrating data sources Data Visualisation Proficiency: Skilled in using D3.JS (or similar libraries) for rich, interactive graphics and charts API Integration Experience: Proven track record of consuming and building APIs for data exchange UI/UX Awareness: Understanding of user-centred design principles and the ability to collaborate on … a consulting or enterprise environment Proficiency in HTML, CSS, JavaScript, and frameworks such as React, Angular, or Vue.js Experience with D3.JS or similar advanced visualisation libraries Strong understanding of API development and integration (REST, GraphQL) Familiarity with database technologies and query languages (SQL, NoSQL) Experience working with data sources such as Microsoft Fabric’s Data Lake, Power.B.I., Qlik More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Angular/C# Developer - Commodities/Shipping

London, United Kingdom
Harvey Nash
and a proven track record, who ideally has some knowledge and experience of the commodity or financial trading sectors. Key Responsibilities: Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and … quality targets. Ensure quality via code reviews and thorough unit testing. Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery. Contribute to the development and implementation of software development best practices within the organisation. Writing clean and efficient code using relevant programming languages to implement … the designed features and functionality. Key Competencies & Skills: Knowledge of oil, wet bulk or energy trading and risk management business Software Development Methodologies: Understanding of Agile development practices and project management tools Communication Skills: Effective communication to collaborate with stakeholders, gather requirements, and explain technical concepts Problem-solving Skills: Ability to troubleshoot technical issues and identify creative solutions More ❯
Employment Type: Contract
Rate: £600 - £800 per day
Posted:

Senior Angular/C# Developer - Commodities/Shipping

London, South East, England, United Kingdom
Harvey Nash
and a proven track record, who ideally has some knowledge and experience of the commodity or financial trading sectors. Key Responsibilities: Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and … quality targets. Ensure quality via code reviews and thorough unit testing. Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery. Contribute to the development and implementation of software development best practices within the organisation. Writing clean and efficient code using relevant programming languages to implement … the designed features and functionality. Key Competencies & Skills: Knowledge of oil, wet bulk or energy trading and risk management business Software Development Methodologies: Understanding of Agile development practices and project management tools Communication Skills: Effective communication to collaborate with stakeholders, gather requirements, and explain technical concepts Problem-solving Skills: Ability to troubleshoot technical issues and identify creative solutions More ❯
Employment Type: Contractor
Rate: £600 - £800 per day
Posted:

Power Applications Developer

London, United Kingdom
Hybrid / WFH Options
Pontoon
dashboards, and generate ad hoc Power BI reports from Snowflake data tables. You will also integrate defect management and remediation capabilities for user owners/operators, ensuring compliance with development standards. Key Responsibilities: Workflow Tool Development: Architect and develop a robust tool to capture email traffic and translate it into actionable work queues and dashboards. Defect Management and … track, and remediate issues. Data Integration: Design and implement integration with Snowflake data tables for generating ad hoc Power BI reports. Compliance and Standards: Ensure adherence to companies established development standards and compliance requirements. Dashboard Creation: Develop insightful dashboards for real-time visibility into workflow processes and performance indicators. Collaboration: Work closely with the Transformation Portfolio Manager and stakeholders … project objectives with business needs. Technical Leadership: Provide guidance throughout the project lifecycle, from initial design through deployment and support. Documentation: Maintain comprehensive documentation of architecture, design decisions, and development processes. Quality Assurance: Implement rigorous testing and quality assurance practices to ensure tool reliability and performance. Skills and Experience: Highly skilled in interpreting business requirements and translating them into More ❯
Employment Type: Contract
Rate: £500 - £550/day
Posted:

Mid to Backend Developer

London, United Kingdom
Hybrid / WFH Options
Pontoon
Node.js, and TypeScript Lead the migration of existing systems from Node.js to Java to align with our strategic infrastructure goals Work with Docker and Kubernetes for containerization and streamlined development Build and manage CI/CD pipelines with GitHub Actions Monitor and maintain system performance, uptime, and deployments Write thorough unit and integration tests to ensure robust, reliable code … Collaborate with cross-functional teams to deliver innovative new features What We're Looking For: Extensive professional experience in backend development with Java and Node.js/TypeScript Solid knowledge of containerization tools (Docker, Kubernetes) Experience managing CI/CD pipelines with GitHub and GitHub Actions Strong understanding of SQL database management Computer Science or related degree Bonus Points For … Experience with Snowflake cloud data warehousing API development using GraphQL Soft Skills: Team player who thrives in a collaborative environment Strong problem-solving skills and ability to meet tight deadlines Effective communicator and adaptable to new tech Why Join Us? Work in London's financial hub with a leading institution committed to innovation and quality. Enjoy a hybrid More ❯
Employment Type: Contract
Posted:

Technical Application Specialist - London - £550/pd

London, South East, England, United Kingdom
Tenth Revolution Group
technical issues. Experience with system integrations (APIs, web services, batch processes). Knowledge of SaaS/cloud technologies and basic network configuration. Understanding of enterprise security principles and secure development practices. Experience in API development and management (RESTful, SOAP). Proven track record in supporting enterprise platforms and enhancing system capabilities. Excellent communication skills, both technical and … non-technical. Familiarity with ITIL Service Delivery framework. Technical Proficiency Cloud platforms and SaaS/PaaS solutions Application and PAS configuration API management and integration Mimecast, performance testing, patch and group policy management Understanding of security, data and reporting (desirable), Microsoft & Google products, SaaS licensing and commercials Culture and Conduct Be a role model for the organisation's purpose More ❯
Employment Type: Contractor
Rate: £550 per day
Posted:

Mulesoft Technical Lead

South East London, London, United Kingdom
LA International Computer Consultants Ltd
the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration … modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services … AWS) or Microsoft Azure. API design and development. Knowledge of RESTful web services, SOAP, & other integration protocols Familiarity with API design & development best practices Strong problem-solving skills & ability to troubleshoot integration issues. Good communication & teamwork skills Strong understanding of Agile development methodologies & experience working in an Agile environment Nice to Have Skills: Experience with cloud More ❯
Employment Type: Contract
Rate: £700 - £765 per day
Posted:

AI Back End Engineer

London, United Kingdom
Hybrid / WFH Options
Pontoon
intelligence, document processing, and risk management. Key Responsibilities: Architect & Implement: Design and deploy secure AI services from lab to production, ensuring they are scalable and compliant with industry standards. API Development: Create robust APIs for large language models (LLMs), retrieval-augmented generation (RAG) pipelines, agentic workflows, and document intelligence systems. Cybersecurity & Privacy: Integrate cybersecurity and data privacy controls More ❯
Employment Type: Contract
Rate: £600 - £700/day
Posted:

Axway API Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Digital
Axway API Developer (SC Cleared) ?? 6 months contract Inside IR35 ?? £500 to £650 a day ??Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day *Active SC Clearance is needed* If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £650 per day
Posted:

Axway API Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Randstad Technologies
Axway API Developer (SC Cleared) 6 months contract Inside IR35 £500 to £650 a day Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … and deployments. 6 months contract Inside IR35 - Remote Working - £500 to £650 a day *Active SC Clearance is needed* If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯
Employment Type: Contractor
Rate: £500 - £650 per day
Posted:

API Developer (APIGEE)

London, United Kingdom
IO Associates
Title: API Developer (APIGEE) Location: London 4- days per week Contract Length: 6 months (Initially) Day Rate: up to £600 per day (Outside IR35) iO Associates is working with a cloud integration consultancy, who are looking for an experienced API Developer to join them on a year-long contract. Key Skills Required: Strong experience with SQL Expertise in … APIGEE Solid background in C# development Ability to design, develop, and support APIs for scalable integration projects The role offers the chance to work on impactful projects within a collaborative team, with a focus on delivering scalable and efficient API solutions. Our client is looking to fill this role URGENTLY, and for the right candidate they'll interview More ❯
Employment Type: Contract
Rate: £500 - £600 per day
Posted:
API Development
London
10th Percentile
£385
25th Percentile
£435
Median
£506
75th Percentile
£650
90th Percentile
£745