Nesta Consulting Ltd

Role Overview The Senior Backend Engineer designs, delivers, and supports this transport - tech customers cloud platforms, with a strong focus on high-performance PostgreSQL databases and resilient AWS-native backend systems. The role spans full lifecycle delivery, from requirements and design to implementation, testing, and ongoing support. Key Responsibilities Core PostgreSQL Architecture & Performance - Design, optimise, and maintain high-performance, reliable, and supportable PostgreSQL databases. Advanced SQL - Develop and refine complex, performant SQL and database objects. Backend Engineering - Build and enhance backend services (primarily Python), ensuring strong coding, testing, and documentation practices. AWS Delivery - Create and evolve solutions using RDS Aurora, Lambda, API Gateway, SNS/SQS, DynamoDB, and other serverless components. Reliability & Observability - Build robust, resilient systems aligned with best-practice operations. Infrastructure as Code - Implement automated deployments using Git, Bitbucket, and CloudFormation. End-to-End Delivery - Own technical delivery from discovery to production rollout and support. Additional Collaborate directly with customers to translate requirements into technical solutions. Take ownership of components, identifying risks and opportunities for improvement. Work effectively across teams (frontend, operations, security). Maintain high engineering standards and documentation. Support incident investigation, root cause analysis, and preventative fixes. Key Experience 5+ years' hands-on development delivering production systems. Deep PostgreSQL design, optimisation, and performance tuning expertise. Strong AWS experience, including RDS Aurora and serverless architectures. Proficiency in at least one backend language (preferably Python). Experience with Git, automated deployments, and IaC (CloudFormation). Collaboration across distributed/offshore teams. Working knowledge of frontend technologies (React is a plus). Proven track record across full delivery lifecycles. Key Behaviours Proactive & independent , taking ownership of solutions. Analytical , balancing performance, reliability, and maintainability. Customer-focused , translating needs into effective designs. Clear communicator , to technical and non-technical audiences. Collaborative , contributing positively to team outcomes. Results-driven , delivering high-quality, production-ready systems.

Are you a recent graduate from a top-tier University with a 2.1 or above who is slighly unsure on a career path? If so, this fintech / data analytics SaaS firm based in the City has a great opportunity to develop a person to become a business analyst. The Role Purpose: You would start as a Junior analyst and work under the supervision and support of more experienced analysts to build your analysis skill set and application and business knowledge. You would complete the work assigned within the agreed timelines and with the required quality The Main Responsibilities you will gain on the job. ? Building and developing an understanding of the analysis process and principles. ? Building and developing an understanding of the way the applications specifically supports business processes. ? Configuration of the application to support client requirements, with a level of support from more experienced analysts. ? Assist in the analysis of business processes, functions and procedures to determine the most effective business systems technology that meet the needs of the organisation. ? Assist in establishing specifications and acceptance criteria based on business requirements, with a high level of support from more experienced analysts. ? Assist in building a joint understanding of the requirements across the other stakeholders (other analysts, developers, testers, project management, product owners). ? Assisting during the execution of User Acceptance Testing. Knowledge and Experience : ? Strong verbal and written communication skills. ? Knowledge of MS Office. ? Be technically inclined, perhaps has built a web site, has a passion for code, HTML. CSS, SQL etc. Salary / Working Conditions Is to £30k, and good benefits. Fantastic offices, 2-3 days required. ? Basic knowledge of or hands-on experience of effectively gathering, managing and documenting requirements