and the growth of junior developers. This is an opportunity to shape the direction of our platform and foster a culture of collaboration and innovation. Key Responsibilities: Ruby Development: Design, build, and maintain robust, scalable, and high-performance Ruby applications. Write clean, maintainable, and efficient code following best practices and coding standards. Collaborate with frontend developers to integrate backend … services with the frontend. DevOps & Automation: Collaborate with the DevOps team to design and implement CI/CD pipelines and deployment automation. Ensure the smooth deployment of Ruby applications by utilizing infrastructure-as-code tools (e.g., Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Design and optimize … Implement data integrity and backup strategies to ensure data security. Mentor and guide junior developers in best practices and efficient coding. Collaborate with cross-functional teams, including product management, design, and operations. Provide technical leadership in project planning and execution, setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
own the strategic architectural direction and implementation, ensuring our platform is scalable, secure, and aligned with the rapidly evolving AI landscape. Key Responsibilities Provide visionary architectural leadership for the design, development, and delivery of a new generation AI-driven SaaS platform. Lead, mentor, and manage a team of Senior Full-Stack Developers and engineers, fostering a culture of technical … of commercial software development experience, with at least 3 years in a senior or technical lead role. Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of … experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful APIdesign, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices More ❯
AWS, Azure, GCP) Proficiency in front end e.g., React, Angular, Vue.js and frameworks such as e.g., Node.js or FastAPI. Experience with databases such as MongoDB and MySQL. Familiarity with APIdesign and development, including serverless technologies, e.g. AWS ECS/API Gateway/Lambda. A passion for space technology and a genuine interest in the space sector More ❯
measure and optimize their digital business card interactions. As part of this role, you’ll help migrate our backend from Flask to Django , ensuring a scalable and well-structured API design. Responsibilities Design and develop analytics and reporting tools , providing insights into user engagement and marketing performance. Build and optimize data pipelines for tracking and processing user interactions. … building analytics and marketing tools (e.g., dashboards, tracking systems, attribution models). Strong experience with Django (or Flask) and PostgreSQL . Solid understanding of data pipelines, event tracking, and API integrations . Proficiency in React, TypeScript, and frontend visualization frameworks (e.g., D3.js, Chart.js, Recharts) . Hands-on experience with AWS services (EC2, S3, CloudFormation, ECS). Experience with CI More ❯
including digital marketplace, inventory management, vehicle servicing, merchandising, and fleet ownership. Collaborative Environment: Work closely with engineering, product, technology, transformation, and business partners across the UK and Europe to design next-generation, customer-facing, software-as-a-service applications. What You'll Do: Lead and Innovate: Drive collaborative solutioning efforts to understand business needs, define target state architecture, and … and Implement: Define cloud-native architecture solutions and collaborate with Product and Engineering teams for their implementation. Guide and Mentor: Lead teams of experienced architects and delivery leaders, facilitating design discussions, driving technical design reviews, and ensuring successful delivery. Communicate and Influence: Articulate solution designs to all levels of the organization and drive successful delivery throughout discovery, development … or relevant industry experience. Technical Expertise: Strong software engineering background with hands-on experience in .NET, AWS, SQL & No-SQL databases, and event-driven systems. Proficiency in coding, REST APIdesign, microservice implementation, and container technologies like Docker and Kubernetes. Interpersonal Skills: Excellent communication skills, both verbal and written, with the ability to work with technical and non More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
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 APIdesign (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, APIdesign 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 ❯
APIs, and multi-language client libraries. Key Responsibilities: Build cloud-based, distributed data solutions. Understand and prioritize investment data needs. Collaborate with users and team members to refine requirements. Design high-performance data ingestion and delivery systems. Technical Skills: 7+ years with Python, Rust is a bonus Experience with event streaming platforms like Kafka . Familiarity with DevOps , CI …/CD , and infrastructure-as-code . APIdesign experience; front-end experience with React is a plus. Cloud experience (especially AWS ) is highly valued. Additional Requirements: Experience working within the data space within a Hedge Fund Environment Happy to work onsite 4 days a week in central London Educated to Degree Level, ideally Computer Science or similar. More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
release and ongoing support. You'll lead a global team of 4-10 software and test engineers, working in partnership with cross-functional groups including Product Management, CloudOps, UX Design, and others. You'll play a central role in ensuring high-quality, scalable, cloud-first solutions while continuously enhancing SDLC processes, automation, and DevOps maturity. Key Responsibilities: Lead and … hiring, coaching, and career development of team members Collaborate with Product Management on feasibility and estimation Champion DevOps and CI/CD best practices and drive automation Participate in design and implementation of cloud-grade, scalable services Required Experience : 5+ years of experience leading software engineering teams 10+ years in software engineering, enterprise architecture, or DevOps Strong understanding of … scalable system architecture, performance, and reliability Experience working with Microsoft SQL Server and managing production codebases Proficiency in APIdesign and development Solid background in source code management and DevOps automation Experience managing capitalized software and team operational health (CapEx/Opex) Familiarity with AWS cloud services and migrations Exposure to orchestration, automation, and configuration management tools What More ❯
CD: Experience with Jenkins or similar pipelines Collaboration: Agile working with cross-functional teams Desirable Skills: Frontend experience with React & TypeScript Messaging: Kafka Build tools: Gradle Database versioning: Liquibase APIDesign: Swagger/OpenAPI This role is ideal for engineers looking to build on their SC clearance and gain NPPV3 eligibility, while contributing to a long-term, meaningful More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
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 ❯
team leadership. What You’ll Do Oversee data science projects, guide junior team members, and drive innovation. Build predictive models for campaign optimisation, customer segmentation, and price elasticity. Design and implement AI-powered solutions to solve complex marketing challenges. Use machine learning and statistical techniques to analyse trends and improve business outcomes. Work with cross-functional teams and present … and managing data science teams. Deep knowledge of media measurement techniques, such as media mix modelling. Experience with advanced AI techniques, including NLP, GenAI, and CausalAI. Familiarity with MLFlow, APIdesign (FastAPI), and dashboard building (Dash). If this role looks of interest, reach out to Joseph Gregory #J-18808-Ljbffr More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
using JUnit, Mockito CI/CD: Experience with Jenkins or similar pipelines Collaboration: Agile working with cross-functional teams Frontend experience with React & TypeScript Messaging: Kafka Build tools: Gradle APIDesign: Swagger/OpenAPI This role is ideal for engineers looking to build on their SC clearance and gain NPPV3 eligibility, while contributing to a long-term, meaningful More ❯
higher in Computer Science or related discipline Experienced full-stack engineer (5+ years) with strong Python backend skills and modern frontend framework expertise, particularly React. Solid database knowledge RESTful APIdesign experience Familiarity with cloud platforms Docker containerisation What's In It For Me? Salary of £70,000 - £90,000 dependent on experience Hybrid Work - 2/ More ❯
network you want to login/join with: Job Type: Full-time Location: On-site (United Kingdom) Salary: £28,000–£45,000 per year Schedule: Monday to Friday Responsibilities: Design, develop, and maintain scalable and reliable API systems. Build and manage microservices to support system scalability and performance. Write clean, maintainable code following best practices, including SOLID principles … and design patterns. Diagnose and resolve technical issues; provide ongoing technical support. Proficiency in both Mandarin and English (working languages). Solid experience with backend programming, particularly Golang and Lua. Hands-on experience with PostgreSQL, Redis, and Kafka. Strong understanding of RESTful APIdesign and implementation. Experience with Nginx and Linux-based environments Familiarity with development tools More ❯
re not just putting bodies on seats. Role Overview: Develop and maintain core platform services using Java, interacting heavily with Databricks APIs to manage workspaces, clusters, and job execution. Design, build, and optimise data ingestion pipelines primarily using Scala and Spark on Databricks. Experience needed: Advanced proficiency in Scala with Spark: Hands-on experience writing robust and performant Scala … with Databricks administration and interacting with the Databricks APIs is essential. Intermediate proficiency in Java: Ability to develop, test, and maintain Java applications. Familiarity with microservice architecture and RESTful APIdesign/consumption. Intermediate experience with REST APIs: Proven experience interacting with and consuming RESTful APIs, specifically including extensive work with Databricks APIs. Further Details: London - Hybrid (Three More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
be considered Deep familiarity with AWS (Lambda, DynamoDB, SQS, SNS, ECS) Proven ability to take product requirements and deliver production-ready systems Background in event-driven architecture and RESTful APIdesign ? Location: London (Hybrid flexibility available) If you’re passionate about building high-impact systems and want to be part of a mission-driven, product-focused team, we More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
a mission to transform the way organisations harness AI for customer support and product operations. They’re looking for a Senior UI Architect who sits at the intersection of design excellence and engineering. This is a hands-on, systems-level leadership role for someone who doesn’t just ship components—they craft cohesive, elegant, ultra-performant experiences. You’ll … are not only beautiful and intuitive, but also scalable and lightning-fast. What You’ll Do Architect performant, low-latency UI systems that feel instantaneous and intuitive Elevate the design system with best-in-class standards for simplicity, extensibility, and polish Drive tight collaboration with product designers—translating vision into crisp, low-friction user flows Mentor and uplift engineers … bundle sizes, animation fluidity) Lead innovation across complex surfaces like search, timelines, real-time dashboards, and data-dense interfaces Define and enforce front-end best practices, including accessibility, interaction design, and motion principles Partner closely with backend and platform teams to influence APIdesign for optimal UX You Might Be a Fit If You Have 10–15+ 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 ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
being a technical expert in your field and build new products and expend on existing products while working with the team to further improve our SDK document capture experience Design and deliver solutions that will scale with significant volumes, be highly available, performant and resilient. We’re on a rapid growth trajectory and have interesting problems to solve to … customers. Work closely with product designers, product managers, and other engineers to deliver great experiences to our customers and their users, leveraging your strong understanding of the iOS SDK, APIdesign and mobile engineering good practice. Working within the team, prototype and iterate until the solutions are impactful and well-polished, supporting multiple devices and meeting our accessibility … retrospectives and feedback. Basic Qualifications: Proven iOS and Swift Experience: 3+ years of hands-on iOS Swift development experience UI/UX Best Practices: Good understanding of Apple’s design guidelines , mobile user experiences principles, and best practices for building intuitive and responsive interfaces. API Integration: Proven ability to design and integrate RESTful APIs , third-party libraries More ❯
open data space, who are currently seeking an experienced Senior iOS Developer. You will be responsible for building and maintaining new and exciting features while also driving technical discussions, API designs and architecture. You will get the opportunity to make a big impact in a rapidly growing business. Their culture is based on working together, collaboration and being supportive More ❯