Permanent 'API Design' Job Vacancies

276 to 300 of 470 Permanent API Design Jobs

Java Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Noir
and Spring Boot experience, solid understanding of Kubernetes and AWS services, and hands-on database development with SQL-based systems. Familiarity with mobile integrations (iOS/Android native), RESTful API design, and Agile delivery methodologies will be highly beneficial. This is an exciting opportunity to work in a dynamic FinTech environment where innovation, quality, and performance are at More ❯
Posted:

Java Software Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Noir
and Spring Boot experience, solid understanding of Kubernetes and AWS services, and hands-on database development with SQL-based systems. Familiarity with mobile integrations (iOS/Android native), RESTful API design, and Agile delivery methodologies will be highly beneficial. This is an exciting opportunity to work in a dynamic FinTech environment where innovation, quality, and performance are at More ❯
Posted:

Technology Architech

London, South East, England, United Kingdom
Harrison Holgate
comprehensive architecture solutions that integrate core business platforms with wider enterprise systems. Establish and maintain architectural standards, best practices, and governance frameworks across the organisation. Assess existing systems and design strategies for optimisation, modernisation, and scalability. Partner with engineering, operations, security, and business teams to ensure technology solutions align with strategic objectives. Provide expert guidance on broking systems, API design, system integration, security frameworks, and user experience. Translate complex business needs into clear, implementable architectural designs. Ensure high availability, security, and performance across hybrid and cloud-based environments. Stay informed on emerging technologies and market developments relevant to the insurance industry. Skills & Experience Proven experience as a Technology Architect , Solutions Architect , or in a senior technology leadership … Experience designing and delivering systems integrations using APIs, middleware, and modern data exchange approaches. Understanding of enterprise architecture frameworks (e.g. TOGAF , Zachman ). Strong proficiency with Azure and contemporary design principles such as microservices and event-driven architecture. Excellent communication and stakeholder engagement skills across all levels. Familiarity with DevOps practices (CI/CD pipelines, monitoring, containerisation). Knowledge More ❯
Employment Type: Full-Time
Salary: £85,000 per annum
Posted:

DevOps Engineer

City of London, London, United Kingdom
Consortia
built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯
Posted:

DevOps Engineer

London Area, United Kingdom
Consortia
built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯
Posted:

DevOps Engineer

South East, United Kingdom
Consortia
built? This is a chance to join a modern, mission-driven charity that's scaling fast after a recent merger. You'll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You'll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You're confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

DevOps Engineer

london, south east england, united kingdom
Consortia
built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯
Posted:

DevOps Engineer

london (city of london), south east england, united kingdom
Consortia
built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯
Posted:

DevOps Engineer

slough, south east england, united kingdom
Consortia
built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯
Posted:

IT Developer

North Liberty, Iowa, United States
GreenState Credit Union
strategic objectives through technology, and provides employees and members with quality technology platforms that are always available, always relevant, and always scalable. POSITION SUMMARY: The IT Developer leads the design, development, implementation, maintenance and support of real time integration and interfaces between GreenState's on-premises and hosted software platforms. GREENSTATE CULTURE: At GreenState, we exist to create lasting … integration and error reporting solutions. Will work from functional requirement specifications, data integration specifications, and security specifications to maintain, modify, and devise new data integrations. Creates and updates automated API functional, performance, and security tests. Works closely with third-party vendors to ensure problem resolution, or successful software or hardware implementation. Identifies, promotes, and evaluates idea driven solutions and … assigned. Qualifications Three to five years (minimum) hands-on development experience implementing integration solutions. College degree in relevant field or equivalent work experience. Strong foundation on Software life cycle - Design, Build, Operate, Maintain Hands on experience in integration technologies, API design and operations Hands on experience in Java, SOAP, REST, XML, JSON, RAML, OAS, Messaging Ability to More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior PHP Developer

stockport, north west england, united kingdom
Xpertise Recruitment
front-end experiences with and Working with Docker, containers, and Linux infrastructure to streamline deployments. Leading problem-solving sessions, code reviews, and architectural planning for exciting ecommerce innovations. Managing API integrations and optimising database performance. What You'll Need Strong experience with PHP 8 and Laravel 10+ Proficiency with JavaScript frameworks , ) Docker, containers, and Linux expertise Solid experience with … Git and MySQL RESTful API design and integration knowledge Bonus Skills Familiarity with queueing mechanisms and distributed task processing Experience integrating payment systems (Stripe, PayPal, etc.) CI/CD and unit testing best practices Agile/Scrum background Why Join? 30 days holiday (+ birthday off) Career growth opportunities in a fast-paced SaaS business Comprehensive health insurance More ❯
Posted:

Senior Full Stack Engineer

City of London, London, United Kingdom
Futureheads Recruitment | B Corp™
where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high‐quality features that directly support conservation and sustainability. What They’re Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast‐moving, early‐stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯
Posted:

Senior Full Stack Engineer

London Area, United Kingdom
Futureheads Recruitment | B Corp™
where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high‐quality features that directly support conservation and sustainability. What They’re Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast‐moving, early‐stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯
Posted:

Senior Full Stack Engineer

South East, United Kingdom
Futureheads Recruitment | B Corp
where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high quality features that directly support conservation and sustainability. What They're Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast moving, early stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

london, south east england, united kingdom
Futureheads Recruitment | B Corp™
where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high‐quality features that directly support conservation and sustainability. What They’re Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast‐moving, early‐stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯
Posted:

Senior Full Stack Engineer

slough, south east england, united kingdom
Futureheads Recruitment | B Corp™
where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high‐quality features that directly support conservation and sustainability. What They’re Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast‐moving, early‐stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯
Posted:

Senior Full Stack Engineer

london (city of london), south east england, united kingdom
Futureheads Recruitment | B Corp™
where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high‐quality features that directly support conservation and sustainability. What They’re Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast‐moving, early‐stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯
Posted:

Contract - Back End Developer - Python/AWS - £500-£700/day (Outside IR35) - ID44270

Oxfordshire, England, United Kingdom
Humand Talent
or Flask) to architect and deliver production-grade systems for cutting-edge AI products. This is a role for engineers who enjoy owning backend services end-to-end – from design to deployment and everything in between. You'll play a pivotal role in building secure, scalable APIs, optimising infrastructure, and integrating backend services directly with AI models and real … chance to define best practices from the ground up in a company that genuinely values engineering excellence. Why This Role is Great In this role, you’ll get to: Design scalable backend architecture using FastAPI and Python for high-performance workloads Build and maintain robust APIs following RESTful conventions and OpenAPI/Swagger standards Own the performance of PostgreSQL … your knowledge of CI/CD tools like GitHub Actions or Argo CD to ship high-quality code fast Be hands-on with authentication systems (OAuth2, OIDC) and secure API design Operate with a security-first mindset , using tools like GuardDuty, CloudWatch, and IAM best practices Grow in a high-trust, high-ownership culture where autonomy is valued More ❯
Posted:

Contract - Back End Developer - Python/AWS - £500-£700/day (Outside IR35) - ID44270

oxford district, south east england, united kingdom
Humand Talent
or Flask) to architect and deliver production-grade systems for cutting-edge AI products. This is a role for engineers who enjoy owning backend services end-to-end – from design to deployment and everything in between. You'll play a pivotal role in building secure, scalable APIs, optimising infrastructure, and integrating backend services directly with AI models and real … chance to define best practices from the ground up in a company that genuinely values engineering excellence. Why This Role is Great In this role, you’ll get to: Design scalable backend architecture using FastAPI and Python for high-performance workloads Build and maintain robust APIs following RESTful conventions and OpenAPI/Swagger standards Own the performance of PostgreSQL … your knowledge of CI/CD tools like GitHub Actions or Argo CD to ship high-quality code fast Be hands-on with authentication systems (OAuth2, OIDC) and secure API design Operate with a security-first mindset , using tools like GuardDuty, CloudWatch, and IAM best practices Grow in a high-trust, high-ownership culture where autonomy is valued More ❯
Posted:

Fullstack Engineer

sheffield, south yorkshire, yorkshire and the humber, united kingdom
Hybrid / WFH Options
Octopus Energy
given day you'll likely... Work collaboratively across the company to continuously refine how our platform can create the greatest impact, scale efficiently, and operate reliably for our users Design, develop, and maintain features for the MOPO Platform that enhance functionality and user experience Optimise database performance and ensure efficient data storage and retrieval for our growing network Build … following experience... Strong proficiency in Python and Django for backend development Good working knowledge of (or similar Javascript framework, e.g. React) In-depth knowledge of MariaDB and SQL RESTful API design and development Version control systems (e.g., Git) and CI/CD pipelines Web security best practices and performance optimization Server deployment and maintenance (e.g. nginx, cron, package More ❯
Posted:

Software Lead

Leeds, West Yorkshire, England, United Kingdom
SR2
Proven ability to lead technically by example while remaining hands-on in delivery Strong background in cloud (AWS) and infrastructure as code (Terraform) Solid understanding of SQL and database design Experience with modern frontend stacks and API design Enthusiasm for mentoring, collaboration and delivering software with impact If you’re looking for a role that blends technical More ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:

Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Venn Apps
products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯
Posted:

Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Venn Apps
products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯
Posted:

Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Venn Apps
products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯
Posted:

Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Venn Apps
products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯
Posted:
API Design
10th Percentile
£52,500
25th Percentile
£61,250
Median
£75,000
75th Percentile
£100,000
90th Percentile
£132,500