76 to 100 of 352 API Development Jobs

Senior Software Developer

Hiring Organisation
Yorkshire Water
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Annual incentive related bonus (£1000 maximum bonus opportunity for the performance year) Attractive pension scheme (up to 12% company contribution) Development opportunities in line with the Senior Software Developer/Integration Manager progression plan 25 days annual leave plus bank holidays plus 2 extra wellness days! Life assurance cover … impact across the business. Where you fit in: As our Senior Software Developer/Integration Manager you will: Input into the design and lead development of global APIs, and the associated integration whilst maintaining and supporting the IT Programme of work. Contribute to the software development standards ...

Senior Software Developer, Team Lead

Location
Dudley, England, United Kingdom
Location 1 Castle Court, Castlegate,Dudley, DY1 4RD,United Kingdom Job Category Software Development Employee Type FT Salaried Travel 5% Manage Others No Description We are seeking a Senior Software Engineer, Team Leader, to join our IMCS digital transformation team in Dudley (West Midlands). In this role … guidance and support of the work being completed. Acting as a main communication point with the Chief Technical Officer. Key Responsibilities Lead the design, development, and delivery of full-stack applications, owning technical direction from architecture through production deployment Drive technical decisions and trade-offs, communicating rationale clearly ...

REST & .NET Developer (ONSITE – Basildon)

Location
United Kingdom
Convert legacy services into RESTful APIs • Design and develop scalable. NET-based services • Work on service modernisation and system integration • Ensure API performance, security, and reliability • Collaborate with cross-functional teams and stakeholders What we’re looking for: • Strong experience with .NET (C#, ASP.NET Web API) • Proven experience … REST API development and service conversion • Understanding of microservices architecture • Experience with integration patterns and middleware • Ability to work in a hybrid setup (Basildon-based) Nice to have: • Experience with Azure (App Services, API Management) • Knowledge of containerisation (Docker, Kubernetes) • Familiarity with CI/CD pipelines ...

SAP Integration Developer

Location
United Kingdom
Integration Suite developments across key business transformation programmes Designing and delivering robust integration solutions within a complex SAP environment Owning and driving Tarmac's API development and integration strategy Translating business requirements into scalable technical solutions Leading integration workshops and engaging with stakeholders across the business Managing … delivering both large-scale projects and smaller enhancement initiatives Ensuring best practice development standards and integration methodologies are followed What We're Looking For Essential Skills & Experience 3+ years' hands-on experience with SAP Integration Suite Strong experience with ABAP Proxies and RFC debugging Expertise configuring and supporting adapters ...

SAP Integration Developer

Hiring Organisation
Tarmac Trading Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Integration Suite developments across key business transformation programmes Designing and delivering robust integration solutions within a complex SAP environment Owning and driving Tarmac's API development and integration strategy Translating business requirements into scalable technical solutions Leading integration workshops and engaging with stakeholders across the business Managing … delivering both large-scale projects and smaller enhancement initiatives Ensuring best practice development standards and integration methodologies are followed What We're Looking For Essential Skills & Experience 3+ years' hands-on experience with SAP Integration Suite Strong experience with ABAP Proxies and RFC debugging Expertise configuring and supporting adapters ...

Senior Software Engineer / Senior Full-Stack Engineer

Location
Manchester, England, United Kingdom
make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect … 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 ...

Senior Full Stack Software Engineer

Hiring Organisation
Allen Associates
Location
Oxfordshire, Oxford, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
Senior Full-Stack Software Engineer Web, Mobile & Operational Systems Are you an experienced Senior Full-Stack Software Engineer able to support the development of a secure situational-awareness and operational-management platform. The role will involve developing and integrating backend services, web-based operational dashboards, graphical user interfaces … mobile application services. We are looking for someone with strong experience in: - Backend/API development using Node.js/TypeScript, Python, .NET or similar - Modern web development using React, Next.js or comparable frameworks - GUI and dashboard development - PostgreSQL and database design - AWS, Azure or equivalent cloud ...

Java/React Developer- London

Hiring Organisation
FDM Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
technology solutions that support critical post-trade and asset servicing operations across global financial markets. You will play a key role in the design, development and enhancement of enterprise-grade applications used to manage complex asset servicing processes, corporate actions, income processing, custody operations and client reporting. Working within … reviews and provide technical mentorship to junior developers. Troubleshoot production issues and support platform stability, resilience and performance improvements. Drive continuous improvement in software development processes, automation and deployment practices. Ensure solutions adhere to security, regulatory and operational standards required within financial services. About You 5+ years' commercial software ...

Software Engineer

Location
Farnborough, England, United Kingdom
week We have a number of openings for Software Engineers to join our growing team! Our Software Engineers are exposed to cutting edge development and the latest cloud technologies. As a full stack developer, you will be using the latest C# .NET Core for API development alongside … improve and evolve, so we welcome new ideas and ways of working. Responsibilities Working closely with architects in all aspects of the design and development of solutions. Working with Product Owners to understand the scope of requirements and acceptance criteria. Following the coding structures and patterns in place within ...

Python Developer - Glasgow - Python/FastAPI/Pydantic - FTC

Hiring Organisation
TrinIT Talent Ltd
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Any
Salary
GBP 80,000 Annual
strong FastAPI and Pydantic experience and be comfortable taking ownership of production services, reusable libraries, APIs and automation. This is an out-and-out development position requiring someone who can hit the ground running and independently deliver production-ready solutions. Experience working with Collibra or similar metadata management technologies … required. Previous Financial Services experience would be highly advantageous but is not essential. Key skills:- Extensive recent hands-on Python development experience Strong commercial FastAPI development experience Strong Pydantic experience including data modelling, validation, schema design and serialization Building and owning production-grade Python services, APIs, reusable libraries ...

Software Engineer

Location
Greater London, England, United Kingdom
gender expression, disability, origin, religious belief and sexual orientation or any other criteria.**Software Engineer – Edenred PayTech** **Location:** London/Swindon **Department:** Technology & Product Development**About Edenred PayTech** Edenred PayTech is a leading global e-money institution, processing over €100bn in payments annually across more than 30 countries. … contribute to the design, implementation, and maintenance of new features and platform enhancements. You will work as part of a collaborative team, following best development practices to deliver high-quality software that meets business needs.**Key Responsibilities*** Participate in the design, development, and testing of platform features adhering ...

Software Engineer

Location
Greater London, England, United Kingdom
sukupuolen ilmaisusta, vammaisuudesta, alkuperästä, uskonnollisesta vakaumuksesta ja seksuaalisesta suuntautumisesta tai muista kriteereistä riippumatta.**Software Engineer – Edenred PayTech** **Location:** London/Swindon **Department:** Technology & Product Development**About Edenred PayTech** Edenred PayTech is a leading global e-money institution, processing over €100bn in payments annually across more than 30 countries. … contribute to the design, implementation, and maintenance of new features and platform enhancements. You will work as part of a collaborative team, following best development practices to deliver high-quality software that meets business needs.**Key Responsibilities*** Participate in the design, development, and testing of platform features adhering ...

Software Engineer

Hiring Organisation
Edenred
Location
London, UK
Employment Type
Full-time
contribute to the design, implementation, and maintenance of new features and platform enhancements. You will work as part of a collaborative team, following best development practices to deliver high-quality software that meets business needs. Key ResponsibilitiesParticipate in the design, development, and testing of platform features adhering … senior engineers to deliver software that meets quality and performance benchmarks. Support knowledge sharing through documentation and teamwork to ensure maintainability. Follow agreed development processes and contribute to continuous improvement of our platform and practices. Work collaboratively to deliver projects on time and to specification. Core Technical SkillsExperience with ...

Application Developer

Hiring Organisation
Knackhook
Location
Seattle, Washington, United States
Employment Type
Any
Salary
USD Annual
integrating multiple new solutions, integration with existing internal and external applications, and the migration of current data to the new systems. The duties include API development, database design, data schema mapping, application development, testing, deployment, troubleshooting, and problem resolution in an iterative and interactive style of development. … data migrations 3+ years of experience using SSIS for data migrations 3+ years using DevOps with CI/CD Pipelines 3+ years REST API testing Experience deploying Azure resources with Bicep Scripts Programming experience using .NET MVC framework (ASP.NET, C#) Excellent written and verbal communication skills Desirable: Proven track ...

Principal Engineer

Location
London, United Kingdom
energized by technical leadership, modern cloud technologies, and building products at scale, we'd love to hear from you. Responsibilities Lead the design and development of large-scale software solutions that support critical business capabilities Shape technical architecture and engineering standards across multiple products and teams Build modern, cloud … design principles Contribute across the full technology stack, from user interfaces to APIs and backend services Mentor engineers and provide technical guidance on complex development initiatives Drive best practices in software quality, performance, security, and maintainability Collaborate closely with Product, Engineering, and Architecture teams to translate business needs into ...

Principal Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
energized by technical leadership, modern cloud technologies, and building products at scale, we'd love to hear from you. Responsibilities Lead the design and development of large-scale software solutions that support critical business capabilities Shape technical architecture and engineering standards across multiple products and teams Build modern, cloud … design principles Contribute across the full technology stack, from user interfaces to APIs and backend services Mentor engineers and provide technical guidance on complex development initiatives Drive best practices in software quality, performance, security, and maintainability Collaborate closely with Product, Engineering, and Architecture teams to translate business needs into ...

Principal Engineer

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
energized by technical leadership, modern cloud technologies, and building products at scale, we'd love to hear from you. Responsibilities Lead the design and development of large-scale software solutions that support critical business capabilities Shape technical architecture and engineering standards across multiple products and teams Build modern, cloud … design principles Contribute across the full technology stack, from user interfaces to APIs and backend services Mentor engineers and provide technical guidance on complex development initiatives Drive best practices in software quality, performance, security, and maintainability Collaborate closely with Product, Engineering, and Architecture teams to translate business needs into ...

C# ASP.NET Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
high profile client.My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional 3 developers in the City of London.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 ...

C# ASP.NET MVC FullStack Developer – Fintech50

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
high profile client.My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional 3 developers in the City of London. 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 ...

Software Developer- C#

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
high profile client. My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional 3 developers in the City of London. The ASP.NET MVC Development role is expansionary due to a brand … 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 ...

Forward Deployed Engineer, (EMEA)

Location
Greater London, England, United Kingdom
internet—the fundamental infrastructure that allows digital platforms to verify age and manage compliance globally without friction. Our core platform, anchored by the Compliance Development Kit (CDK) and AgeKit, is the trusted engine for the world’s largest game publishers and digital ecosystems. We replace fragmented, manual compliance with … unified API that handles age verification, parental consent, and regulatory logic across 200+ markets. Backed by top-tier venture capital firms like a16z and Lightspeed, k-ID is entering a phase of growth to define the standard for global digital safety. About The Role As an Forward Deploy Engineer ...

Junior ASP.NET MVC Developer Fintech- Leicester

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
Tech: ASP.NET MVC 5, Restful API, Angular, SQL, Azure Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 10 man flat Dev Team Pay: 40k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingJunior ASP.NET MVC Developer … FintechQuant is urgently looking for an ASP.NET MVC Developer to join our high profile client. Current challenges include cloud migration, greenfield trading platform development, and bank based API creation. Our client is well known in the WRAP and SIPP market as a full service provider.The environment is that ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
modernising its technology platforms and adopting agile, cloud-native solutions. We are seeking a Tech Lead to help drive this transformation and lead the development of scalable, secure, and high-performing systems. **Role Overview**As Senior software engineer you will be responsible for the technical leadership of a cross … functional agile team. You will guide software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. **Key Responsibilities*** Lead the design and development of enterprise-grade applications using Java and related technologies* Define and enforce agreed coding ...

Senior Software Engineer

Location
City of Westminster, England, United Kingdom
modernising its technology platforms and adopting agile, cloud-native solutions. We are seeking a Tech Lead to help drive this transformation and lead the development of scalable, secure, and high-performing systems. Role Overview As Senior software engineer you will be responsible for the technical leadership of a cross … functional agile team. You will guide software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. Key Responsibilities Lead the design and development of enterprise-grade applications using Java and related technologies Define and enforce agreed coding ...

C# ASP.NET Developer - Insuretech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
ASP.NET Developer – FintechTech: C# .net, Azure, SQL, Team City, GIT, TFS Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known Insurtech software business, West London, 10 man flat Dev Team Pay: 65k Some Flex WorkingQuant is urgently looking for an ASP.NET MVC Developer to join … high profile client. Current challenges include cloud migration, greenfield trading platform development, and bank-based API creation. Our client is a well-known fintech software house in central London. This is an expansionary role building a greenfield financial modelling platform used by major finance business'.Working together with ...