76 to 100 of 188 API Development Jobs

Senior Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design Infrastructure ...

System Analyst/ Developer

Hiring Organisation
AGCO
Location
Kenilworth, Warwickshire, United Kingdom
Salary
£ 60 K
more sustainable world. Join our extraordinary team today! A vacancy has arisen in Business Process Outbound. The role is responsible for the design, development, and ongoing maintenance of business systems and applications that support AGCO’s aftersales of commercial activity. The role holder will possess a thorough understanding … aftersales operations and demonstrate strong experience in software development, database design, and the delivery of in-house solutions. The role combines technical development with business analysis, requiring the ability to work directly with stakeholders to translate operational requirements into robust, maintainable systems. Given the nature and scope ...

Java Developer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Any
Salary
GBP Annual
seeking Software Engineers and Senior Software Engineers to support the delivery of secure, scalable, and resilient digital services. You will contribute to the design, development, testing, and deployment of software solutions while collaborating with multidisciplinary teams in an agile environment. Senior Software Engineers will also provide technical leadership, guide … integrate secure APIs and Back End services. Participate in solution design and technical discussions. Support testing, deployment and operational activities. Follow secure software development and DevOps practices. Essential Skills & Experience (Must Have) Java Spring Boot Kafka MongoDB API development and integration Basic understanding of Docker images ...

Backend Software Engineer - Application Development

Hiring Organisation
Palantir Technologies
Location
London, United Kingdom
Salary
£ 80 K
architect a new system that enables a novel workflow, the next you could be fine-tuning performance to enable low-latency operational outcomes.Our Product Development organisation is made up of small teams of Software Engineers. Each team focuses on a specific aspect of a product and work collaboratively … witnessing how customers engage with Foundry and experiencing these pain points firsthand, you’ll gain unique insights that feed directly back into our development process, helping to refine and enhance our products.Core ResponsiblitiesArchitecting, developing, and maintaining high-performance, scalable backend services that underpin our our operational data ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 80 K
your peers on technical direction within your teamRequired Skills and ExperienceFull-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, JavaREST API development & OpenAPI/SwaggerCloud services (AWS or Azure)Containerisation & Orchestration (Docker, Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Relational Databases (e.g. PostgreSQL)Elasticsearch … testing frameworks (e.g. Mocha, Jest, Cypress)We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application.Benefits & Work ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, United Kingdom
Salary
£ 80 K
your peers on technical direction within your teamRequired Skills and ExperienceFull-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, JavaREST API development & OpenAPI/SwaggerCloud services (AWS or Azure)Containerisation & Orchestration (Docker, Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Relational Databases (e.g. PostgreSQL)Elasticsearch … testing frameworks (e.g. Mocha, Jest, Cypress)We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application.Benefits & Work ...

FullStack ASP.NET Developer – Insuretech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Tech: JavaScript, ASP.NET MVC 5, Entity Framework Code First, Restful API, Angular, SQL, Azure Challenge: Greenfield platform, API development, industry specific challenges Firm: Well-known Insuretech business, City of London, 5 man flat Dev Team Pay: 75k, Bonus- 750 training budget, Pension, Life/Health, Some Flex … individualised, algorithmic financial products, bringing together investment banks, insurance companies, asset managers and commercial banks. • You will be responsible for the design, planning and development of front-end solutions, based on industry requirements and resulting from cooperation with the team and our customers • You will need to establish testing ...

Backend Developer (Azure)

Hiring Organisation
Experis
Location
Derby, Derbyshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
from early in the assignment. The environment is Microsoft and Azure-led, with a backend platform built around C#/.NET, Azure Functions, Azure API Management, Azure SQL, Service Bus and Azure DevOps. What you'll be doing You'll be responsible for building, enhancing and supporting backend services … shaping the technical approach through to build, test, deployment and operational support. Key skills we're looking for Strong C#/.NET backend development experience Azure Functions experience Azure API Management Azure Service Bus Azure SQL, including stored procedures, schema changes and performance awareness Azure DevOps, CI/ ...

ASP.NET MVC Developer – Fintech50

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
factoring and invoicing market by storm. This is a brand new project to create an efactoring platform and CRM system from scratch.The ASP.NET MVC Development role is expansionary due to a brand new international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET MVC and noSQL (which will be gained in experience)The ASP.NET MVC Developer will be fully responsible for production, modification ...

Full Stack Engineer - ML/Gen AI

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£375 - £450 per day
architectural decisions and balancing technical trade-offs. Essential experience: Python, React and JavaScript/TypeScript AWS cloud engineering Chat or Messaging platform integration REST API development CI/CD pipelines Observability (logs, metrics, tracing and performance monitoring) Software architecture and distributed systems/microservices AI/LLM integration ...

Senior Product Engineer C#/.NET & AI

Hiring Organisation
Daniel James Resourcing Ltd
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£80,000
customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

Senior Product Engineer C#/.NET & AI

Hiring Organisation
Daniel James Resourcing Ltd
Location
Hungerford, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

Senior Product Engineer C#/.NET & AI

Hiring Organisation
Daniel James Resourcing Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£80,000
customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

Senior Product Engineer C#/.NET & AI

Hiring Organisation
Daniel James Resourcing Ltd
Location
Barnsley, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£80,000
customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

Senior Software Engineer

Hiring Organisation
CGI
Location
United Kingdom
Employment Type
Full Time
both technical teams and stakeholders. •Extensive experience developing and supporting enterprise web applications in live or production environments. •Strong proficiency in .NET application and API development. •Strong experience with AWS and cloud-hosted applications and services. •Experience with Angular or comparable modern front-end technologies. •Strong knowledge of relational ...

Lead Software Engineer - GLCM Postings

Hiring Organisation
JP Morgan Chase
Location
Bournemouth, Dorset, United Kingdom
Salary
£ 100 K
mission-critical applications, ensuring alignment with business goals and industry best practicesLead and mentor a team of software engineers, providing guidance, support, and professional development opportunitiesDrive the design and implementation of high-performance backend services using Java and cloud-native technologiesChampion the development of highly resilient, share-nothing … tolerance, high availability, and disaster recoveryDrive the adoption and optimization of MongoDB (including change streams), Kubernetes, and other modern platformsSet and enforce standards for API design and development (REST/gRPC), including best practices for versioning, documentation, and error handling to ensure robust, secure, and scalable interfacesGuide ...

Full Stack Javascript Software Engineer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known Fintech Trading Platform Vendor, Surbiton, 30 man flat global Dev Team Pay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingFull Stack Javascript Software Engineer Quant Capital is urgently looking for a Full … valuations and pricing of derivatives to most of the buy side.I am seeking a full stack developer to work as part of a larger development team focused on driving innovation across a cloud-enabled, microservices platform for the Institutional & Investment Management divisionThis is an opportunity for an individual with ...

Junior Full Stack Javascript Software Engineer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
Tech: Javascript, TypeScript, MongoDB, Angular, HTML5, CSS, BootstrapChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Unlimited holiday, Pension, Life/Health, Some Flex WorkingJunior Full Stack Javascript … valuations and pricing of derivatives to most of the buy side.I am seeking a full stack developer to work as part of a larger development team focused on driving innovation across a cloud-enabled, microservices platform for the Institutional & Investment Management divisionThis is an opportunity for an individual with ...

Senior Python Engineer

Hiring Organisation
Method-Resourcing
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
They're looking for an experienced Software Engineer who enjoys ownership and solving complex engineering challenges. You'll likely have experience with: Python REST API development Distributed systems or microservices SQL databases Cloud platforms (ideally Azure) CI/CD pipelines Test-driven development and automated testing Building … more. What's in it for you? Equity options Hybrid working 25 days holiday (as well as bank holidays) Private pension Dedicated learning & development budget Modern engineering culture with genuine technical ownership Cycle to Work & Green Car schemes Subsidised gym membership Employee rewards platform Annual volunteering day Life assurance ...

Creatio Technical Consultant/Senior Consultant, Deloitte Digital

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
their success.Configure the Creatio no-code/low-code platform to build robust and scalable CRM/BPM solutions.Contribute to the technical design, development, and deployment of Creatio solutions, which may include coding and API development for more complex requirements.Contribute to the improvement of our standards, approaches … role.Ability to explain technical concepts clearly to both technical and non-technical audiences.Desirables:Creatio certifications (e.g., Creatio Certified Professional, Creatio Developer).Experience with Creatio development tools and concepts (e.g., C#, JavaScript, SQL, Creatio SDK) for extending platform functionality.Familiarity with relational database concepts and data integration techniques.Familiarity with agile development ...

Creatio Technical Consultant/Senior Consultant, Deloitte Digital

Hiring Organisation
Deloitte
Location
Belfast, Down, United Kingdom
Salary
£ 55 K
their success.Configure the Creatio no-code/low-code platform to build robust and scalable CRM/BPM solutions.Contribute to the technical design, development, and deployment of Creatio solutions, which may include coding and API development for more complex requirements.Contribute to the improvement of our standards, approaches … role.Ability to explain technical concepts clearly to both technical and non-technical audiences.Desirables:Creatio certifications (e.g., Creatio Certified Professional, Creatio Developer).Experience with Creatio development tools and concepts (e.g., C#, JavaScript, SQL, Creatio SDK) for extending platform functionality.Familiarity with relational database concepts and data integration techniques.Familiarity with agile development ...

Creatio Technical Consultant/Senior Consultant, Deloitte Digital

Hiring Organisation
Deloitte
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 60 K
their success.Configure the Creatio no-code/low-code platform to build robust and scalable CRM/BPM solutions.Contribute to the technical design, development, and deployment of Creatio solutions, which may include coding and API development for more complex requirements.Contribute to the improvement of our standards, approaches … role.Ability to explain technical concepts clearly to both technical and non-technical audiences.Desirables:Creatio certifications (e.g., Creatio Certified Professional, Creatio Developer).Experience with Creatio development tools and concepts (e.g., C#, JavaScript, SQL, Creatio SDK) for extending platform functionality.Familiarity with relational database concepts and data integration techniques.Familiarity with agile development ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

Senior Software Engineer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

Senior Software Developer

Hiring Organisation
Jonathan Lee Recruitment Ltd
Location
Worcester, Hindlip, Worcestershire, United Kingdom
Employment Type
Permanent
production efficiency, and customer experience. Software Engineer – CNC & Connected Manufacturing Solutions We are seeking an experienced and motivated Software Engineer to join a specialist development team delivering innovative digital solutions for the CNC machining and manufacturing sector. Working closely with machine tool experts, customers, and fellow developers, you will … that enables connected manufacturing, machine monitoring, data integration, and operational optimisation. This is a hands-on role where you will contribute throughout the software development lifecycle, from concept and design through to deployment and customer support. Experience within a CNC machining, machine tool, precision engineering, or manufacturing environment ...