product leaders to design, implement, and scale backend systems that support high-volume enterprise use cases. Responsibilities: Develop and maintain backend services using Django, PostgreSQL, and Redis. Design and implement RESTful APIs , ensuring clean architecture and maintainability. Collaborate with frontend engineers and product teams to define API contracts . Work … backend engineering experience , ideally working with Django or Flask. Experience designing and maintaining APIs , following best practices for scalability and security. Strong database skills (PostgreSQL preferred) and experience with query optimization. Hands-on experience with AWS services (EC2, S3, CloudFormation, ECS). Familiarity with Docker, Kubernetes, or other DevOps tools More ❯
product leaders to design, implement, and scale backend systems that support high-volume enterprise use cases. Responsibilities: Develop and maintain backend services using Django, PostgreSQL, and Redis. Design and implement RESTful APIs , ensuring clean architecture and maintainability. Collaborate with frontend engineers and product teams to define API contracts . Work … backend engineering experience , ideally working with Django or Flask. Experience designing and maintaining APIs , following best practices for scalability and security. Strong database skills (PostgreSQL preferred) and experience with query optimization. Hands-on experience with AWS services (EC2, S3, CloudFormation, ECS). Familiarity with Docker, Kubernetes, or other DevOps tools More ❯
raw data into meaningful, high-quality datasets that power applications across the company. You’ll build scalable dbt models on top of Databricks and PostgreSQL, partnering with data and business stakeholders to define metrics, track performance, and ensure data quality. This role would be perfect for someone with … Strong proficiency in SQL, with proven experience writing complex, performant queries Experience working with DBT in production Experience working with Databricks and/or PostgreSQL Solid understanding of data testing, observability, and data quality assurance Familiarity with Git and modern software development practices Strong communication skills and the ability to More ❯
raw data into meaningful, high-quality datasets that power applications across the company. You’ll build scalable dbt models on top of Databricks and PostgreSQL, partnering with data and business stakeholders to define metrics, track performance, and ensure data quality. This role would be perfect for someone with … Strong proficiency in SQL, with proven experience writing complex, performant queries Experience working with DBT in production Experience working with Databricks and/or PostgreSQL Solid understanding of data testing, observability, and data quality assurance Familiarity with Git and modern software development practices Strong communication skills and the ability to More ❯
cross-functional teams to gather and analyze business requirements and translate them into technical specifications. Write and optimize SQL queries for SQL Server and PostgreSQL databases, ensuring data integrity and performance. Implement real-time data processing solutions using Kafka, including producing and consuming messages. Develop and enhance Windows Forms applications … ensure optimal functionality and performance. Expert level developing in C#/.NET (.NET Framework 4.8 + .NET 8) Strong SQL experience (SQL Server and PostgreSQL) Experience with Kafka Windows Forms (.NET Framework) (Nice to have) Front-End development using Angular and/or other frameworks (Nice to have). Good More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Spectrum IT Recruitment
anomalies. Practical experience with preparing test data and analyzing test results using database management tools. Strong ability to write and execute complex SQL queries (PostgreSQL). Test and validate different types of card transactions (e.g., authorization, reversal, clearing). Ensure quality assurance in crypto CeFi and DeFi applications by understanding … industry trends, regulations, and market dynamics. Hands-on experience with JIRA, Confluence, and Qase.io (or similar test management tool). Strong knowledge of SQL (PostgreSQL) for backend validation. Proficiency in web and mobile application testing, along with API testing experience (Postman). Solid grasp of card transaction processing, including different More ❯
Employment Type: Permanent
Salary: £40000 - £60000/annum plus remote working flexibility
to best practices and coding standards. Utilize AWS cloud services for scalable and secure backend application deployment. Ensure robust data storage and management using PostgreSQL and other database solutions. Implement authentication, authorization, and security best practices in backend services. Improve CI/CD pipelines for automated deployments and infrastructure management. … development. Strong experience with RESTful APIs, GraphQL, and event-driven architectures. Deep understanding of data processing, analytics, and real-time event streaming. Expertise in PostgreSQL, AWS and Kubernetes. Proficiency in monitoring tools like Prometheus, Grafana, and Kibana. Knowledge of security best practices, including OAuth, JWT, and data encryption. Fluent in More ❯
london, south east england, United Kingdom Hybrid / WFH Options
eTeam
to best practices and coding standards. Utilize AWS cloud services for scalable and secure backend application deployment. Ensure robust data storage and management using PostgreSQL and other database solutions. Implement authentication, authorization, and security best practices in backend services. Improve CI/CD pipelines for automated deployments and infrastructure management. … development. Strong experience with RESTful APIs, GraphQL, and event-driven architectures. Deep understanding of data processing, analytics, and real-time event streaming. Expertise in PostgreSQL, AWS and Kubernetes. Proficiency in monitoring tools like Prometheus, Grafana, and Kibana. Knowledge of security best practices, including OAuth, JWT, and data encryption. Fluent in More ❯
tools for internal users. Maintaining and enhancing customer-facing platform services, such as authentication and integration services. Writing and maintaining performant code, interacting with Postgres, using extensive SQL skills and database knowledge. Providing hands-on architectural guidance and practical assistance to project teams and our development team, regarding our core … experience in HR software would be advantageous). Deep expertise in Java, OO design patterns, multi-threading and asynchronous paradigms. Experience with Spring, Git, Postgres, MongoDB, and JavaScript. Comfortable designing APIs and working across cloud-native architectures. Experience writing performant Rust code is a strong bonus. Ability to quickly learn More ❯
impact across multiple teams or functions. You are comfortable working across a stack that includes frontend (TypeScript/React), backend (Python/Django/Postgres) and infrastructure (AWS). You don't necessarily have hands-on experience with all pieces of our stack but want to go deep in at … product team on a starter project and make your first commits. Become familiar with the core components of our stack (React, TypeScript, Django, Python, Postgres, Amazon ECS). In your first 3 months: Become a part of the regular product development cycle: take ownership of a feature in Citrus, our More ❯
london, south east england, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
SR2 are currently looking for a highly motivated Senior Data Engineer for financial services start-up company. Location: London | Hybrid (2-3 days a week onsite). Salary: £75,000 - 90,000. Ideal background://Strong experience with building More ❯
Lead Java Engineer. Location: London, Fulltime Onsite Salary: £100,000-140,000 Lead Java Engineer with expertise in Core Java required to join a fast-growing company that's on its way to becoming a major player in cybersecurity. The More ❯
Fullstack JavaScript Engineer - Sustainability - Hybrid - £90,000 I am looking for fullstack developers to join a fast growing ecommerce client wit a core focus on sustainability. They are a artisan fragrance maker based in the UK, dedicated to reviving traditional More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Cogna
Software Engineer (AI specialist) At Cogna, we're working hard to solve the productivity crisis. Improving the productivity of everyday workers is absolutely necessary to solve the biggest problems of our time, such as climate change, affordable healthcare and social More ❯
manchester, north west england, United Kingdom Hybrid / WFH Options
bet365
Who we are looking for A Software Developer, who will be responsible for developing the systems that support forensic analysis and actively defend the Company’s systems. The Software Product Development department supports and develops systems designed to process high More ❯
stoke-on-trent, midlands, United Kingdom Hybrid / WFH Options
bet365
Who we are looking for A Software Developer, who will be responsible for developing the systems that support forensic analysis and actively defend the Company’s systems. The Software Product Development department supports and develops systems designed to process high More ❯
Lead Java Engineer. Location: London, Fulltime Onsite Salary: £100,000-140,000 Lead Java Engineer with expertise in Core Java required to join a fast-growing company that's on its way to becoming a major player in cybersecurity. The More ❯
Software Engineer (AI specialist) At Cogna, we're working hard to solve the productivity crisis. Improving the productivity of everyday workers is absolutely necessary to solve the biggest problems of our time, such as climate change, affordable healthcare and social More ❯
Fullstack JavaScript Engineer - Sustainability - Hybrid - £90,000 I am looking for fullstack developers to join a fast growing ecommerce client wit a core focus on sustainability. They are a artisan fragrance maker based in the UK, dedicated to reviving traditional More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
SR2 are currently looking for a highly motivated Senior Data Engineer for financial services start-up company. Location: London | Hybrid (2-3 days a week onsite). Salary: £75,000 - 90,000. Ideal background://Strong experience with building More ❯
Department environment We aim to achieve a balance between corporate culture and start-up culture, and at the same time be close to product solutions. Therefore, we divide our department into small self-sufficient teams that can make decisions on More ❯
Your location: London area, UK (hybrid) At Purple Dot , our vision for e-commerce is simple: Everything that gets made, gets sold. For decades, brands have waited for stock to arrive at the warehouse to sell it online. But this More ❯
Back End Engineer - DE Introducer Tech Team Hybrid within London, United Kingdom The company Fast, flexible finance empowers small businesses to manage their cash flow better and seize opportunities - making their business and the economy stronger as a whole. At More ❯
