51 to 75 of 167 Permanent API Development Jobs

Dev-ops Engineer

Hiring Organisation
Armstrong Knight
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
directly influence customer experience, operational efficiency and commercial performance. The Role You'll take ownership of the organisation's digital ecosystem including: WordPress website development and maintenance CRM administration (HubSpot) API development and third-party integrations Website security, hosting and performance Marketing technology stack Business reporting … dashboards AI-powered workflow automation Release management and version control Technical liaison with external development partners Working closely with the Head of IT and senior commercial stakeholders, you'll play a pivotal role in delivering new digital initiatives whilst ensuring the existing platform remains secure, scalable and high performing. ...

Principal Software Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
influence engineering strategy Work within a senior, AI-first engineering environment KEY POINTS Principal-level position with significant technical ownership Leading the design and development of a modern platform rebuild Strong focus on Node.js, TypeScript, React and cloud technologies Opportunity to shape engineering standards, architecture and AI adoption ABOUT … cloud infrastructure. Working closely with senior stakeholders, product teams and fellow engineers, you'll help establish engineering standards, drive adoption of AI-assisted development practices, and mentor other engineers as the team continues to grow. This role offers genuine autonomy, giving you the opportunity to influence technology decisions, engineering ...

Financial Systems Developer (C#.NET Engineer)

Hiring Organisation
Centre People Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
candidates have led enhancements, maintenance, or improvements of existing systems. This position is especially suitable for those with hands-on experience in financial system development or financial IT consulting. (Ref: YC47581- Please include this when making any enquiries.) Main Responsibilities: Develop, maintain, and enhance financial systems (banking, securities, insurance … optimise databases such as SQL Server Propose and implement improvements or new functionalities for existing systems Coordinate with internal and external stakeholders Ideal Candidate: Development experience with C#.NET (3+ years preferred) Experience with SQL and database operations Knowledge of financial systems or financial operations (e.g., payments, settlements, reporting ...

Software Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Ipswich, Suffolk, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Your new company We are looking for a proactive and enthusiastic Software Developer to join a growing development team. This is an exciting opportunity to work across a diverse technology landscape, supporting and enhancing business-critical applications while helping to deliver innovative, cloud-based solutions.You'll play … external clients. Working with modern Microsoft technologies, you'll contribute to projects spanning Azure cloud platforms, on-premise systems, APIs, integrations and AI-assisted development tools.This role offers the chance to collaborate with Product Managers, DevOps Engineers, QA Specialists and Business Stakeholders in an environment focused on continuous improvement ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … 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. ...

Lead Developer- C#

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
Tech: C# 5, Visual Studiuo, AWS, Angular.JS, Bootstrap, Docker Challenge: Greenfield Financial platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 30 man flat Dev Team Pay: 70k, Bonus- training budget, Pension, Life/Health, Some Flex WorkingC# Lead Developer FintechQuant Capital … Lead Developer MUST have:• Degree ideally Comp Sci • Proven practical knowledge and understanding of Object Orientation, SOA, design patterns like IoC and the Agile development practices • Strong commercial experience of Microsoft development tools, including Visual Studio 2013 or higher and C# with .NET Framework 4.5.2 or higher • Demonstrable ...

Cloud Engineer

Hiring Organisation
Anson Mccade
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
impact National Security programmes Exposure to large-scale AWS cloud and DevOps environments Flexible and hybrid working arrangements Dedicated Career Manager and structured career development Access to extensive training and learning platforms Company bonus scheme 25 days annual leave with buy/sell options Private medical and dental insurance … continuous learning Desirable Experience AWS certifications such as Solutions Architect, Developer or DevOps Engineer Experience with Docker, Kubernetes, ECS or EKS Microservices and API development experience CI/CD tooling such as Jenkins, Bamboo, TeamCity or Bitbucket Automated testing practices and frameworks Understanding of Linux, networking and infrastructure ...

Senior Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

Java Full Stack Engineer

Hiring Organisation
Response Informatics
Location
Northampton, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
customers and colleagues. Experience Required 10-15+ years of experience in backend development. Basic/Essential Qualifications Proficiency in full-stack development with hands-on coding experience in Core Java, JPA/Hibernate, Spring framework, and basic caching concepts Knowledge of Spring ecosystem technologies including Spring Boot … creating rich, interactive React/Angularbased front-end applications. Experience building secure and scalable applications following enterprise design principles Solid coding practices for RESTful API development and consumption with understanding ofOpenAPI/Swagger specifications Understanding of API security protocols and authentication mechanisms (OAuth2, JWT) including TLS. Good ...

Platform Engineer

Hiring Organisation
eTeam
Location
Manchester Area, United Kingdom
days Duration: 31/05/2027 Rate:402GBP/Day(Inside IR35) Role Description: We require individuals with strong hands-on experience in API development and cloud-native solutions, particularly within the AWS ecosystem. Required Skills & Experience The ideal candidates should have proven experience in: • AWS Lambda … File ingestion and event-based architectures o Triggering Lambda functions from file arrival events o Routing, transformation, and storage of output files • API/Service Development o Designing and building RESTful APIs and service endpoints o Developing integrations to retrieve and update data across platforms o Experience with ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … 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. ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … 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. ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Salford, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team 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 ...

Software Engineer

Hiring Organisation
Barclays
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 80 K
effective unit testing practices to ensure proper code design, readability, and reliability.Assistant Vice President ExpectationsTo advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/business divisions.Lead a team performing complex tasks, using well developed professional knowledge … scalable, and customer-focused solutions. This is an opportunity to work on complex engineering challenges, contribute to modern software delivery practices, and influence the development of systems that drive business success.To be successful as a Software Engineer, you should have experience with:Strong proficiency in Java, C#, Python, JavaScript ...

Software Engineer

Hiring Organisation
Barclays
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 80 K
effective unit testing practices to ensure proper code design, readability, and reliability.Assistant Vice President ExpectationsTo advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/business divisions.Lead a team performing complex tasks, using well developed professional knowledge … scalable, and customer-focused solutions. This is an opportunity to work on complex engineering challenges, contribute to modern software delivery practices, and influence the development of systems that drive business success.To be successful as a Software Engineer, you should have experience with:Strong proficiency in Java, C#, Python, JavaScript ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team 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 ...

AI Software Engineer

Hiring Organisation
X-On Health
Location
Woodbridge, Suffolk, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£35,000
develop new functionality and make non-functional improvements to our products and services. Understand business requirements and how they translate into technical design and development projects and tasks. Participate in architectural and design discussions and diagnose and troubleshoot complex technical issues Work with stakeholders to progress and report … projects and tasks Building Voice Agents: Developing and maintaining our Go-based Voice Agent API Development: Contributing to our unified AI API that acts as the gateway between our telephony products and various AI providers Tool Creation: Developing "Tools" (Function Calling) that allow LLMs to interact with ...

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 ...

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 ...