14 of 14 API Design Jobs in Buckinghamshire

hands-on Head of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical direction, improving engineering velocity and … Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software engineering best practices (e.g., SOLID principles, domain-driven design, clean architecture, modular monoliths … Ownership Oversee integration between business systems using APIs, middleware, and ETL pipelines, including Salesforce, Power Platform (PowerApps, PowerAutomate, LogicApps), SharePoint, and custom web applications. Lead optimization and governance around API design (RESTful services, rate limiting, versioning, monitoring, etc.). Ensure high data consistency, operational integrity, and well-documented interface contracts between services. Software Delivery, CI/CD & DevOps More ❯

Your responsibilities and tasks will include: Engage in all phases of application development, with a focus on coding and debugging in alignment with security standards throughout the entire lifecycle Design, build, and maintain efficient, reusable, and reliable code/APIs to support applications both for web and mobile Collaborate regularly in a cross-functional team made up of product … and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience using web service protocols such as Rest, API design for extensibility and integration Experience with Agile development project management methodologies Database Development in SQL Server or NoSQL Databases Some familiarity of Docker Excellent communication and collaboration More ❯

FinTech companies. Requirements: At least 5 years of professional Rust software development experience Strong understanding of Rust, memory management, STL containers, and algorithms Good knowledge of OOAD, architecture and design patterns, API design principles Hands-on experience with low-latency, multithreading, including race conditions, deadlocks, etc. Experience with PostgreSQL, particularly in handling large-scale datasets and optimizing … tools such as CMake/Make Experience with containers (Docker, Kubernetes) Responsibilities: Write clear, understandable and highly optimized Rust code according to best practices Develop new features including the design of interfaces and implementation to support reusability, testability, modularity in accordance with the agreed plans and quality standards Enhance existing features and improve the quality of the libraries and … meets client expectations Provide time estimates and time/performance/quality trade-offs to management and other teams Participate in technical discussions to find the right architecture/design solution Contribute to architectural planning and refactoring Defect analysis and fixing Report the status, results and roadblocks Conduct an interviews Collaborate effectively with engineers and other team members, transfer More ❯

Leadership in Scalable Systems Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? Interested in shaping tools that support real-world infrastructure at scale? We’re recruiting for a Lead Software Engineer on behalf of a fast-growing technology company whose platform … others grow. Why This Role is Great Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Contribute to technical strategy, system architecture and future roadmaps Create real value … backend software projects TypeScript or Node.js development, or similar backend technologies Designing and deploying services in a modern cloud environment Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Experience or interest in the following would also be valuable: Managing or supporting connected devices or remote More ❯

Engineer to join their forward-thinking IT Services team.This is a fantastic opportunity for an experienced IT professional to play a critical role in... Lead Software Engineer (Scalability And API Design) - 95% Remote - £85K - ID41216 Reading Job DescriptionLead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API DesignAre … you a technical leader ready to guide a high-performing engineering team?Do you enjoy mentoring others while staying close to architecture and system... Lead Software Engineer (Scalability And API Design) - 95% Remote - £85K - ID41216 Reading Job DescriptionLead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API DesignAre More ❯

field. Work Experience Requirements: Demonstrable experience working in solution architecture or IT architecture. Proficient in a wide range of technologies, including (but not limited to) Azure, Outsystems, microservices architecture, API design, containerization, and relational/non-relational databases. Experience working with CRM (Salesforce) and ERP systems. Payment experience preferred. Familiarity with SAFe and Agile methodologies. Familiarity with data … analytics and machine learning concepts. Competencies: Adaptability (Competent) Architecture Design (Competent) Communication (Competent) Enterprise Integration (Competent) Leadership (Competent) Legal and regulatory expertise (Competent) Problem-Solving (Competent) Solution Delivery Lifecycle (Competent) Strategic Thinking (Competent) Technical Acumen (Competent) To get this challenge: • Video call or face to face with Mark Michell and Nik Charlson • Face to face with *Eleni Kelly* Your More ❯

inspire a team of Java Engineers towards technical excellence, whilst fostering a positive, hands on and collaborative environment. Deep knowledge/expertise of backend development & Microservices: Solid understanding of API design, experienced in designing, developing, distributed scalable and resilient systems. Core Backed Technologies: Highly experienced in developing Java code, along with deep expertise within Spring boot OR Quarkus More ❯

inspire a team of Java Engineers towards technical excellence, whilst fostering a positive, hands on and collaborative environment. Deep knowledge/expertise of backend development & Microservices: Solid understanding of API design, experienced in designing, developing, distributed scalable and resilient systems. Core Backed Technologies: Highly experienced in developing Java code, along with deep expertise within Spring boot OR Quarkus More ❯

finance transformation programme. This is a high-impact position requiring strong expertise in Oracle Fusion Financials, specifically with experience migrating from Oracle EBS to Fusion. Key Responsibilities: Lead the design, development, and delivery of complex integrations using Oracle Integration Cloud (OIC) and other middleware technologies. Manage API integrations and data flows between Fusion and external systems. Work closely … as a Fusion Technical Lead on Oracle Finance transformation projects, including EBS to Fusion migrations. Strong expertise with Oracle Integration Cloud (OIC) and middleware integration frameworks. Experience working with API management and developing REST/SOAP integrations. Exposure to Azure middleware or similar cloud integration platforms connecting non-Oracle external systems is highly desirable. Solid understanding of FBDI, Oracle … collaborating with SIs and cross-functional teams in complex delivery environments. Skills & Qualifications: Oracle Fusion Financials and EBS knowledge Middleware expertise: OIC, SOA Suite, Azure Logic Apps or similar API design and management Strong communication and leadership skills Ability to work hands-on and mentor junior team members More ❯

finance transformation programme. This is a high-impact position requiring strong expertise in Oracle Fusion Financials, specifically with experience migrating from Oracle EBS to Fusion. Key Responsibilities: Lead the design, development, and delivery of complex integrations using Oracle Integration Cloud (OIC) and other middleware technologies. Manage API integrations and data flows between Fusion and external systems. Work closely … as a Fusion Technical Lead on Oracle Finance transformation projects, including EBS to Fusion migrations. Strong expertise with Oracle Integration Cloud (OIC) and middleware integration frameworks. Experience working with API management and developing REST/SOAP integrations. Exposure to Azure middleware or similar cloud integration platforms connecting non-Oracle external systems is highly desirable. Solid understanding of FBDI, Oracle … collaborating with SIs and cross-functional teams in complex delivery environments. Skills & Qualifications: Oracle Fusion Financials and EBS knowledge Middleware expertise: OIC, SOA Suite, Azure Logic Apps or similar API design and management Strong communication and leadership skills Ability to work hands-on and mentor junior team members More ❯

establishing strong working relationships with the team, clients, and suppliers, and you’ll provide mentorship and guidance to junior developers. Key Responsibilities: Create and maintain high and low-level design documentation. Design and develop APIs and database solutions. Utilise Git version control and CI/CD processes to ensure robust software delivery. Implement cloud-hosted solutions on platforms … ensure data integrity and performance. Any working or hands on experience with Azure B2C would be highly desired, but not essential. What We’re Looking For: Strong skills in API design and database development. Hands-on experience with cloud solutions (Azure or AWS). Proficiency in Git, CI/CD processes, and unit testing frameworks. A track record More ❯

a major cloud transformation and is looking for a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best practices from day one. You’ll be joining at a pivotal time as the company invests heavily (multiple hires!) in scaling its … cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast-moving, AWS native environment. Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a subject matter expert on cloud … security within engineering, providing guidance during design reviews and threat modelling sessions. Harden Kubernetes environments and enforce secure cluster configurations. Secure and manage infrastructure using Infrastructure-as-Code, with a focus on Terraform. Requirements: 5+ years of hands-on experience in cloud security, with deep expertise in AWS. Strong background in secure infrastructure design, cloud-native security controls More ❯

a major cloud transformation and is looking for a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best practices from day one. You’ll be joining at a pivotal time as the company invests heavily (multiple hires!) in scaling its … cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast-moving, AWS native environment. Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a subject matter expert on cloud … security within engineering, providing guidance during design reviews and threat modelling sessions. Harden Kubernetes environments and enforce secure cluster configurations. Secure and manage infrastructure using Infrastructure-as-Code, with a focus on Terraform. Requirements: 5+ years of hands-on experience in cloud security, with deep expertise in AWS. Strong background in secure infrastructure design, cloud-native security controls More ❯

you’ll lead the delivery of customer projects focused on system integrations and automation solutions. You’ll act as the subject matter expert in Power Platform, Power Automate and API integrations, and play a central role in shaping end-to-end solutions—from discovery and scoping through to delivery and support. You'll work closely with customers in and … end-to-end capacity, from an initial discovery & scoping through to design, delivery & user acceptance. What You’ll Be Doing Design, build and implement integrations using REST APIs and Power Automate Lead client projects from initial scoping to deployment Partner with stakeholders—internal and external, technical and non-technical—to develop tailored solutions Act as a key technical … advisor in pre-sales, working alongside Sales and Customer Success teams Promote innovation, continuous improvement, and technical excellence What You Bring 5+ years of hands-on experience in REST API development & design and Power Automate solutions Strong knowledge of Azure services (especially Power Platform, APIM, Event Grid ) Proven experience in s ystem integration If this sounds in your More ❯