Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and guide junior … Strong experience with DevOps practices, including CI/CD pipelines, Docker, and cloud platforms (AWS, GCP, or Azure). Proficient in relational databases (PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB). Solid understanding of RESTful API design and integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control (Git), and testing frameworks. Familiarity More ❯
exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary More ❯
exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary More ❯
Role: Tech Lead – Java Location: Dublin, London – UK Responsibilities Provide technical leadership and mentorship to the team. Participate in software requirement gathering. Create and maintain technical documentation. To write high-quality code to meet customer requirements. Able to troubleshoot, identify More ❯
Role: Tech Lead – Java Location: Dublin, London – UK Responsibilities Provide technical leadership and mentorship to the team. Participate in software requirement gathering. Create and maintain technical documentation. To write high-quality code to meet customer requirements. Able to troubleshoot, identify More ❯
London, England, United Kingdom Hybrid / WFH Options
Solirius Reply
Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and guide junior … Strong experience with DevOps practices, including CI/CD pipelines, Docker, and cloud platforms (AWS, GCP, or Azure). Proficient in relational databases (PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB). Solid understanding of RESTful API design and integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control (Git), and testing frameworks. Familiarity More ❯
similar backend technologies with a willingness to quickly upskill. Experience with React and Next.js is a plus Strong understanding of database systems, including both document-oriented databases such as MongoDB and relational databases such as MySQL or PostgreSQL. Experience in a CI/CD environment where you have utilised tools such as Circle CI, GitHub actions or Azure DevOps etc. More ❯
object-oriented language (e.g., Python) and back-end frameworks (e.g., Django, Flask). Experience with RESTful APIs and/or GraphQL. Familiarity with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB). Experience with version control systems (e.g., Git). Experience in setting up CI/CD pipelines (e.g., using Jenkins, GitHub Actions, ADO). Familiarity with containerization and orchestration tools More ❯
in full stack development using modern technologies such as:. ○ Front-End: JavaScript, TypeScript, React, Angular, or Vue.js. ○ Back-End: Node.js, .NET, Java, Python, or similar. ○ Databases: PostgreSQL, MySQL, MongoDB, etc.. . ● Demonstrated experience in leading software development teams or managing projects.. ● Strong understanding of cloud platforms (AWS, Azure, GCP) and CI/CD pipelines.. ● Experience with Git, agile project More ❯
backend development using Node.js, Python, or Java. Familiarity with AWS services such as Lambda, API Gateway, DynamoDB, RDS, and IAM. Experience working with relational (PostgreSQL, MySQL) and NoSQL (DynamoDB, MongoDB) databases. Understanding of unit testing, integration testing, and debugging techniques. Knowledge of Git, version control, and deployment automation practices. As an equal opportunities’ employer, we welcome applications from individuals of More ❯
to create products that provide a great user experience along with high performance, security, quality, and stability. Work with a variety of relational and NoSQL databases (SQL, Postgres, DB2, MongoDB), operating systems (Linux, Windows, iOS, Android), and modern UI frameworks (Backbone.js, AngularJS, React.js, Ember.js, Bootstrap, and JQuery). Work across the entire system architecture, from backend to front end, to More ❯
or willingness to work with it regularly. Solid understanding of modern web architecture, REST APIs, and async data flows. Familiarity with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB). Comfortable with Git and collaborative development workflows. Experience working in an agile, remote environment. Ability to write unit and integration tests. Nice To Have : Experience with serverless frameworks or More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Knowledge of SQL databases (SQL Server, PostgreSQL). Familiarity with Entity Framework Core . Understanding of web accessibility and development best practices. Bonus Skills: Experience with NoSQL databases (e.g., MongoDB, Cosmos DB). Exposure to AI/LLM integrations (e.g., Langchain or similar tools). Working knowledge of design systems , such as the GOV.UK Design System . Why Join? Work More ❯
and Swift (iOS) Strong understanding of server-side languages and frameworks such as Node.js, .NET, PHP, GoLang, Rust Experience with database management systems e.g., MySQL, PostgreSQL, MS SQL Server MongoDB). Familiarity with Git and branching strategies such as GitOps Solid understanding of testing frameworks and methodologies e.g. Jest, Mocha, Selenium. Ability to write and maintain unit, integration, and end More ❯
in designing and implementing RESTful APIs and GraphQL services with a focus on security, performance, and usability. Database Management : Proficiency with both relational databases (Oracle, PostgreSQL) and NoSQL solutions (MongoDB, Cassandra), including optimisation of data access patterns. Performance Engineering : Ability to design, implement, and optimise high-throughput, low-latency integration solutions in mission-critical environments. Problem-Solving Skills : Exceptional analytical More ❯
like HTML5, CSS3, JavaScript, Java Backend: proficiency in languages like PHP, Python Django/Flask, Node.JS, Express.JS Operating Systems: Windows, macOS Databases: proficiency in databases like MySQL, SQL Server, MongoDB, PostgreSQL, etc. Familiarity with platforms like Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), etc. Proficiency in version control systems such as Git Knowledge of data and cloud More ❯
London, England, United Kingdom Hybrid / WFH Options
Fitch Group, Inc., Fitch Ratings, Inc., Fitch Solutions Group
Build and optimize server-side components using Node.js, Python (Flask/Django), Java, or Ruby on Rails. Integrate RESTful APIs and work with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. Create SOP documentation and training materials for technical and business users. Support upgrades, troubleshooting, and seamless deployment of SaaS applications in a fast-paced environment. Develop performance dashboards and More ❯
CD pipelines and infrastructure as code. Security Focus : Familiarity with secure coding practices and cloud security best practices. Databases : Experience with both SQL and NoSQL databases (e.g., PostgreSQL, Redis, MongoDB). Soft Skills : Strong communication skills and ability to thrive in collaborative, agile teams. Tech Stack & Tools : Languages & Frameworks : Python, Django, Flask (optional) Cloud : AWS (preferred), Azure, GCP Containerization & Orchestration … Docker, Kubernetes, Helm CI/CD : GitLab CI, GitHub Actions, Terraform Databases : PostgreSQL, Redis, MongoDB Tooling : Git, JIRA, Confluence, VS Code, Draw.io/Lucidchart Why Choose KX? Data Driven : We lead with instinct and follow fact. Naturally Curious : We lean in, listen and learn fast. All In : We take ownership, take on challenges and give it our all. Benefits: Competitive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Haystack
such as React.js, TypeScript, and Tailwind CSS. Support backend development using Python (Django/FastAPI) and Node.js (Express). Assist with database development and maintenance (PostgreSQL, MySQL, and optionally MongoDB/DynamoDB). Contribute to cloud infrastructure deployment and maintenance (AWS or Azure). Assist with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS More ❯
such as React.js, TypeScript, and Tailwind CSS. Support backend development using Python (Django/FastAPI) and Node.js (Express). Assist with database development and maintenance (PostgreSQL, MySQL, and optionally MongoDB/DynamoDB). Contribute to cloud infrastructure deployment and maintenance (AWS or Azure). Assist with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS More ❯
Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging systems (Kafka, RabbitMQ), or domain-driven design (DDD More ❯
Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging systems (Kafka, RabbitMQ), or domain-driven design (DDD More ❯
London, England, United Kingdom Hybrid / WFH Options
Parser
working with REST APIs , integrating backend logic with UI components and ensuring smooth data flow between systems. Solid understanding of SQL and/or NoSQL databases (e.g., MySQL , PostgreSQL , MongoDB ). Experience designing data models and optimizing queries for performance. Cloud and Containerization: Experience working with cloud platforms like AWS , Azure , or Google Cloud . Familiarity with Docker , Kubernetes , or More ❯
