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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Engineer - **Company:** PlannerPal - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Flutter, Artificial Intelligence, Amazon Web Services, Amazon S3, Application Performance Management, Automation of Tests, Microsoft Azure, Software as a Service, Continuous Delivery, Continuous Integration, Software Debugging, DevOps, Github, Monitoring of Systems, Python (Programming Language), PostgreSQL, Prometheus, Software Engineering, Web Applications, Web Application Frameworks, Data Logging, ReactJS, Delivery Pipeline, Grafana, Backend, Agentic-AI, Gitlab-ci, Information Technology, Front End Software Development, Terraform, Docker, Elk Stack - **Published:** October 26, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=49801e53c806b9db ## About the Role * Degree in Computer Science or related developer education (e.g. a reputable coding bootcamp) or equivalent practical experience. * 7+ years' experience designing, developing, shipping and maintaining backend applications using Python and front-end web applications using modern JavaScript frameworks (ideally React.js), including operating at senior level. * Strong DevOps Experience at production level administration level with AWS, Azure or GCP * Familiarity with monitoring and logging tools like Prometheus, Grafana, or the ELK stack. * Experience working with both Python and React, and some experience working with AWS hosting/back-end services. * Significant experience using agentic coding tools * Experienced in designing, building and maintaining automated tests and contributing to CI pipelines. * Has worked with other developers in an agile set-up(e.g. sprints, stand-ups, retros). * Experienced in debugging and fixing live incidents in time-pressured situations, and in improving systems/processes to prevent recurrences. * Experience of working with continuous deployment pipelines (you don't have to build everything yourself, but should be comfortable working within and improving such setups). * Strong understanding of industry trends and development best practices- especially regarding security, application performance and scalability. * Has a strong sense of ownership, attention to detail and the ability to work independently with a team-oriented work ethic. * Strong communication skills for effective teamwork and collaboration, and confidence interacting with customers and partners in a technical leadership capacity. * Is proactive, initiates improvements, and offers assistance even without being asked. * Comfortable in using AI code development tooling * Right to work in the UK Nice to have's; * Experience inB2B SaaS, ideally in fintech, wealth tech or other regulated industries. * Experience integrating with CRM systems and/or financial platforms. * Exposure to observability and monitoring tools (e.g. logging, metrics, tracing). ## Description We're now looking for a Senior Full-Stack Engineer to bridge PlannerPals application development with a strong background in devops or enterprise-level agentic engineering. You will focus on: * Designing and building key features of our solutions * Development and design of CI/CD pipelines, including Infrastructure as a Code and the enablement of developers * Building and deploying AI agents to production. * Ensure that coding and testing standards are upheld This role offers the opportunity to work closely with the founders at a defining stage in our growth., Solution design; * Own the end-to-end solution design for new features within a defined architecture framework * Make pragmatic decisions about trade-offs (scope, performance, scalability, security) in a fast-moving environment. Hands-on development; * Take ownership of complex or high-impact pieces of work, especially where the architecture, integrations or performance considerations are non-trivial. * Design, build and optimise the journeys of our service using our tech stack: * Backend: Python * Frontend: React + Flutter * Data / Infra: Postgres, AWS ( S3, ECS etc.) * Write high-quality, testable code and contribute to our continuous integration and deployment pipelines. Infrastructure development; * Design and optimise reliable CI/CD pipelines, resilience, observability and security within AWS (i.e. CDK, Terraform) utilising workflows such as Github Actions, GitLab CI for example * Manage AWS resources and containerised applications deployments via Docker * Build and maintain a scalable infrastructure utilising Terraform (CDK within AWS) Technical ownership & continuous improvement; * Help evolve our platform architecture for performance, resilience, observability and security as we scale. * Identify and drive improvements to developer experience, tooling and internal processes (e.g. testing, release, monitoring, on-call), in collaboration with both in-house and outsourced engineers.