Senior Fullstack Engineer - Remote/Hybrid, Impactful Systems

Parser Limited; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance?

Hybrid work model

Job summary

Parser Limited is seeking a Senior Fullstack Engineer to design, develop, and maintain scalable, secure server-side applications with a strong emphasis on microservices, API development, database management, and robust frontend with ReactJS.

You will collaborate with frontend engineers, product managers, and stakeholders to build high‑availability backends, integrate AI/model endpoints, and uphold best practices in security and performance.

Qualifications

• Bachelor degree in Computer Science, Software Engineering, or related field.
• Minimum 8 years of backend development experience focusing on scalable, high-performance systems.

Responsibilities

• Design, develop, and maintain scalable backend and frontend services.
• Collaborate with frontend engineers, product managers, and stakeholders.
• Implement security features including authentication and authorization.
• Develop API endpoints for model integration and predictions.
• Build microservices using REST, gRPC, or GraphQL.
• Optimize database queries and schemas for performance and scalability.
• Write unit and integration tests for reliable releases.
• Monitor backend performance using observability tools (Datadog, CloudWatch).
• Maintain technical documentation for system capabilities and updates.
• Troubleshoot production issues to ensure high availability.
• Participate in system design discussions to improve robustness.

Skills

Backend development

API design

Microservices

ReactJS

AWS

Docker

CI/CD

SQL databases

NoSQL databases

Security best practices

Unit & integration testing

Observability

SoC

Git

Education

Bachelor degree in Computer Science or related field

Tools

FastAPI

Flask

GraphQL

gRPC

PostgreSQL

MySQL

MongoDB

AWS

ECS

Docker

Terraform

CloudFormation

Kafka

Jira

Datadog

CloudWatch

OpenID Connect

JWT

OAuth2

Git

GitHub Actions

Job description

Parser Limited is seeking a Senior Fullstack Engineer to design, develop, and maintain scalable, secure server-side applications with a strong emphasis on microservices, API development, database management, and robust frontend with ReactJS.

You will collaborate with frontend engineers, product managers, and stakeholders to build high‑availability backends, integrate AI/model endpoints, and uphold best practices in security and performance.