Lead Full Stack Engineer

PlannerPal

Lead Full-Stack Engineer at PlannerPal designing and developing solutions for financial tech. Oversee a squad of engineers while enhancing platform architecture.

Posted 6/4/2026full-timeRemote • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

AWSFlutterJavaScriptPostgresPythonReact

About the role

Key responsibilities & impact

Own the design for key features of our solutions
Organise and manage the work of a small squad of engineers
Ensure that coding and testing standards are upheld
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.
Act as the day-to-day technical and delivery lead for a squad of engineers
Define and manage the work: break down Product Requirement Documents and user stories into clear tasks, estimate effort, set priorities and timelines, and track progress to ensure on-time delivery.
Run or participate in ceremonies (stand-ups, planning, reviews) to keep work aligned and unblock issues quickly.
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.
Take ownership of technical design as part of a small, fast-moving team.
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.

Requirements

What you’ll need

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 lead level.
Proven experience leading a squad’s work – including planning and prioritising work, running ceremonies/stand-ups, reviewing output, and ensuring on-time, high-quality delivery across time zones.
Strong 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

Benefits

Comp & perks

Competitive salary + employee share options
Remote-first work environment (UK-based team) with a collaborative team culture
Regular team meet-ups to foster team synergy and alignment
Work directly with the founding team – your leadership and decisions will have a visible, measurable impact
An open, transparent work environment where your voice is valued and your contributions directly shape the company’s trajectory
Clear growth path: as the business scales, you’ll have opportunities to expand your scope, ownership and influence

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Hard Skills & Tools

PythonReactFlutterPostgresAWSCI/CDautomated testingagile methodologiesdebuggingperformance optimization

Soft Skills

leadershipcommunicationteamworkattention to detailproactivityproblem-solvingtime managementcollaborationindependenceownership

Certifications

degree in Computer Sciencecoding bootcamp certification