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LanceSoft UK

Back End Developer

LanceSoft UK
United Kingdom · Contract · Mid-Senior

  • Location: Osterley, London
  • Days in the Office: 2
  • Job Title: Backend Developer
  • Length of Contract: 12 months, with possible extension
  • Key Skills: Go, Postgres, RESTful APIs, service-to-service communication, APIs for data ingestion, AWS
  • Must-Haves: Go, RESTful APIs
  • Nice-to-Haves: Postgres, AWS

Back-End Developer Job Description

Job Overview

We are seeking a highly skilled and experienced Back-End Developer with advanced

expertise in Go (Golang), data analytics, and cloud-based backend services. This individual

will play a key role in building scalable APIs, processing data pipelines, and supporting front

end web applications with real-time analytics and insights.

Technical Expertise

  • Independently develop and maintain high-performance backend services using Go (Golang).
  • Design and implement RESTful APIs and GraphQL endpoints to support front-end applications.
  • Process and optimize large-scale data pipelines for real-time analytics and reporting.
  • Write clean, maintainable, and efficient code that adheres 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.

Architecture and Performance

  • Lead performance optimization initiatives for backend services, ensuring efficiency and scalability.
  • Architect scalable and maintainable backend solutions for real-time data processing.
  • Develop strategies to optimize data retrieval, caching, and indexing for fast responses.
  • Design fault-tolerant and resilient distributed systems using Kubernetes and cloud native technologies.
  • Utilize Prometheus, Grafana, and Kibana for monitoring and observability of backend systems.
  • Optimize API performance and response times for a seamless user experience.

Data Analytics & User Insights

  • Integrate real-time data processing and analytics into backend applications.
  • Work closely with data engineers, analysts, and Front-end developers to deliver actionable insights.
  • Design and implement ETL pipelines to extract, transform, and load large datasets.
  • Enable event tracking and logging for user behavior analysis.
  • Utilize machine learning models and predictive analytics to improve user experiences.
  • Ensure compliance with GDPR and data privacy regulations when handling user data.

Operational Excellence

  • Improve monitoring, alerting, and logging capabilities for backend applications.
  • Establish robust debugging and troubleshooting processes for production systems.
  • Identify and resolve backend bottlenecks, bugs, and security vulnerabilities.
  • Optimize development workflows and deployment automation for high efficiency.
  • Maintain and enhance backend infrastructure on AWS and Kubernetes.

Strategic Contributions

  • Evaluate and recommend cutting-edge technologies that align with project requirements.
  • Consider broader technical and business implications when making development decisions.
  • Foster a culture of continuous improvement, knowledge sharing, and mentorship.

Required Qualifications

  • Advanced proficiency in Go (Golang) for backend 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 English with strong communication and collaboration skills.

Preferred Qualifications

  • Experience with big data processing frameworks like Apache Flink or Spark.
  • Familiarity with machine learning models and AI-driven analytics.
  • Understanding of Front-end and mobile app interactions with backend services.
  • Expertise in cloud-native application development and DevOps practices.

This position is ideal for an individual with a strong backend engineering background, a

passion for data-driven applications, and the ability to drive innovation while mentoring and

guiding others within the team.

Key Skills

Ranked by relevance

cloud restful apis aws machine learning postgresql prometheus graphql grafana golang deployment automation cloud native kubernetes big data storage devops apache oauth gdpr cicd etl ai
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Posted
Feb 27, 2026
Type
Contract
Level
Mid-Senior
Location
London Area

Industries

IT Services IT Consulting Financial Services

Categories

Consulting

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