Graduate Software Developer

Reply; Greater London; On-site; GBP 30,000 - 40,000; Full time

Job summary

A technology consulting firm based in Greater London is seeking a Graduate Software Developer to work at the forefront of generative AI. In this role, you will collaborate with senior engineers to develop and maintain AI-driven systems using OpenAI technologies, transforming client operations. Strong programming skills in Java and Python, along with a degree in Computer Science or a related field, are essential. Join a dynamic environment where innovation meets enterprise transformation.

Qualifications

• Strong programming skills in Java and Python; familiarity with Node.js and React.js is a plus.
• Demonstrable interest in generative AI, agent-based systems or advanced automation.
• Excellent communication skills, with clients and senior stakeholders.

Responsibilities

• Partner with senior engineers to build AI-driven systems using OpenAI models.
• Configure and integrate solutions like ChatGPT Enterprise for clients.
• Translate business needs into technical designs, especially in generative AI.

Skills

Java

Python

Node.js

React.js

Agile methodologies

Education

2:1 or higher in Computer Science or related technical discipline

Job description

Graduate Software Developer

About Cognita Reply: Cognita Reply is where OpenAI innovation meets enterprise transformation. As part of the Reply Group and a recognised OpenAI Service Partner, we help organisations not just adopt tools but embed AI as a strategic capability across their value chain.

Role Overview

As a Graduate Software Developer at Cognita Reply, you'll enter a high-pace environment that's at the cutting-edge of generative AI, working closely with OpenAI technologies. You'll help design and build intelligent software / agent-based solutions that transform how our clients work, leveraging frameworks from OpenAI and our own accelerators. You'll collaborate across teams, engage with clients, and contribute across the full development lifecycle - all while deepening your technical and consulting chops.

Responsibilities

• Partner with senior engineers to build, deploy and maintain AI-driven systems using OpenAI models (e.g., custom agentic workflows, conversational interfaces)
• Configure and integrate solutions like ChatGPT Enterprise for clients: managing connectors, setting up brand-aligned responses & securing enterprise-grade deployments
• Translate business needs into technical designs - particularly in the context of generative AI and enterprise scale
• Collaborate with client experts to ensure our AI solutions are human-centred, usable and impactful
• Write, test and document high-quality code, leveraging modern stacks (e.g. Python, Node.js, React) and AI-aware frameworks
• Apply governance, compliance, and security best practices relevant to generative AI deployments
• Support adoption and engagement efforts: help build communities of practice, training modules, and outcome-measurable programmes
• Monitor performance, collect metrics/feedback and iterate on models and workflows for continuous improvement

About the candidate

• On track to graduate with a 2:1 or higher in Computer Science or related technical discipline
• Strong programming skills in Java and Python; familiarity with Node.js and React.js is a plus
• Demonstrable interest in generative AI, agent-based systems or advanced automation
• Comfortable with agile ways of working and cross-discipline teaming
• Excellent communication skills - you'll be working with clients, peers, domain experts and senior stakeholders
• Flexible mindset: you'll be working across industries and potentially travelling to client sites
• A curious, proactive learner who is ready to experiment, make things happen, and grow fast in a startup-style environment within a large Group

Reply is an Equal Opportunities Employer and committed to embracing diversity in the workplace. We provide equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type regardless of age, sexual orientation, gender, identity, pregnancy, religion, nationality, ethnic origin, disability, medical history, skin colour, marital status or parental status or any other characteristic protected by the Law.

Reply is committed to making sure that our selection methods are fair to everyone. To help you during the recruitment process, please let us know of any Reasonable Adjustments you may need.