8 backend engineer jobs found

Senior Backend Engineer - Contractor (Outside of IR35) Senior Software Engineer – Java (Contract - Outside of IR35) Duration: 3 Months Plus Start Date: ASAP Day Rate: £400 - 500 per day   As a  Senior Software Engineer (Java) – Contractor  at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required. Key Responsibilities: Design and develop scalable backend systems...

Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data...

Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data flows Work...

Back End Engineer (Python & Azure) Delivering scalable data infrastructure that transforms manual financial and actuarial processes into automated, auditable workflows. To deliver robust, scalable backend systems and data infrastructure that power automated data pipelines and dashboards for financial services clients.   Requirements Hands On Experience:   Designing and implementing distributed, large-scale systems Architecting solutions from scratch across the full development lifecycle Working with event-driven architectures and data pipelines Building production Python applications with strong software engineering practices   Must Have:   Extensive production experience with Python including modern frameworks, testing, and deployment practices Proven experience designing and building distributed systems at scale Strong system architecture skills with ability to translate requirements into...

About Us: ISTARI is a strategic cybersecurity advisory company with a bold vision; to curate the defining cybersecurity ecosystem of our time, uniting enterprise, academia, government, and innovators to build collective resilience. At the heart of this mission, ISTARI helps clients achieve lasting organisational cyber resilience by convening and applying world-class talent, expertise, and innovation through a uniquely powerful network, with ISTARI as the central orchestrator. ─────────────────────────────────────────────────────── The Opportunity: We are seeking an entrepreneurial, AI-native developer to join ISTARI as a contract developer and help transform how we deliver our consulting work. You will be the founding technical resource responsible for building a suite of AI-powered internal tools that dramatically improve productivity across our Advisory practice.   This is not a traditional development role. You will be expected to leverage AI coding...

About Us: ISTARI is a strategic cybersecurity advisory company with a bold vision; to curate the defining cybersecurity ecosystem of our time, uniting enterprise, academia, government, and innovators to build collective resilience. At the heart of this mission, ISTARI helps clients achieve lasting organisational cyber resilience by convening and applying world-class talent, expertise, and innovation through a uniquely powerful network, with ISTARI as the central orchestrator. ─────────────────────────────────────────────────────── The Opportunity: We are seeking an entrepreneurial, AI-native developer to join ISTARI as a contract developer and help transform how we deliver our consulting work. You will be the founding technical resource responsible for building a suite of AI-powered internal tools that dramatically improve productivity across our Advisory practice.   This is not a traditional development role. You will be expected to leverage AI coding...

Contract Type: Fixed-term Contract (9 months, extendable) Daily Rate: £400-600 per day Location: Predominantly remote with periodic UK travel Security Clearance: SC Clearance required Start Date: ASAP The Role STSL is delivering a mission-critical biometric self-service solution for a UK government department. We need an experienced Senior DevOps Engineer with end-to-end accountability for Azure cloud infrastructure, CI/CD automation, and operational excellence. This is a hands-on, senior technical role - not team management. You'll be the principal DevOps authority working directly with government stakeholders, shaping DevOps practices for a greenfield deployment of Azure Kubernetes Service, Windows IoT device fleets, and secure biometric workloads. Your Responsibilities: · Design and implement Azure cloud infrastructure (VNets, VPN Gateway, NSGs, Private Endpoints, Application Gateway, Front Door + WAF) meeting high...

Lead .NET Developer   3-Month Contract | £525 per day | Inside IR35 | Central Bristol (1–2 days per week onsite)   We are seeking an experienced Lead .NET Developer to join a growing engineering team delivering ongoing development and modernisation of a complex monolithic platform. This is a hands-on leadership role suited to a senior developer who thrives in stabilising legacy systems while driving forward cloud-native transformation. The team is currently migrating workloads to AWS and transitioning the frontend from AngularJS to StencilJS web components. You will play a key role in enhancing, modernising, and future-proofing the existing platform while supporting the development of new distributed services.   Key Responsibilities Deliver high-quality backend development using C#, .NET Framework, and .NET Core. Lead efforts to decompose and migrate legacy monolithic components into AWS-based services....