Senior Software Engineer

ConnexAI; Manchester; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

ConnexAI in Manchester is seeking a senior software engineer to build real-time systems for billions of calls per year, shaping our SaaS platform with modern web technologies. You will own complex Node.js/TypeScript code, collaborate with Data Science, and contribute across the full development lifecycle, including deployment on AWS, Docker, and PostgreSQL-backed services.

Join a fast-growing team with clear pathways to technical leadership and impact on how customers interact with our AI

Qualifications

• Experience writing complex Node.js and TypeScript code.
• Understanding of Linux Systems Administration.
• Experience developing/consuming REST APIs.
• Git and Docker experience.

Responsibilities

• Build real-time SaaS applications with robust architectures.
• Collaborate with Data Science team to integrate AI offerings.
• Work through the full development lifecycle from design to deployment.
• Develop new parts of the system and improve existing features.

Skills

Complex Node.js development

TypeScript programming

Linux systems administration

Git version control

REST APIs design & implementation

Collaborative teamwork

Tools

Docker

AWS

PostgreSQL

WebSockets

Job description

Are you a senior software engineer looking to work on real‑time systems?

Work in a collaborative environment in one of the fastest‑growing sectors in AI.

You will be working on real‑time systems that process billions of hours’ worth of calls a year. Challenge yourself in our environment and see the impact of your work.

We have ambitious growth plans, which will provide numerous opportunities to work on new projects and offer clear avenues for career growth, whether as a principal developer or team lead.

The role

As a key player in our development team, you will be at the forefront of shaping our digital presence by building sophisticated SaaS applications. You will work on streamlining innovative and new projects while enhancing our existing architecture with the latest web technologies.

With a perfect balance between autonomy and collaboration, you will contribute to making our application exceptionally robust.

Build a system at the forefront of the conversational AI sector. You will be heavily involved with how agents interact with their customers and will build the quality assessment side of the platform that enhances customer interaction.

• Become a part of a flexible work environment that actively embraces the use of cutting‑edge web technologies.
• You will work with the latest versions of Node.JS, Express.JS, Typescript, React.JS
• You will have exposure to the entire development life cycle, challenging your skills in creating complex customer‑facing UIs
• Work on our real‑time systems that are key to the success of the product
• You will have the opportunity to develop new parts of the system
• You will be collaborating closely with the Data Science team, contributing to our AI offerings
• You will explore a diverse range of technologies, including AWS, Linux, Docker, PostgreSQL, WebSockets, APIs…
• You will have exposure to other technologies such as Linux, Docker, AWS, PostgreSQL
• Your ideas will be highly valued in our collaborative team environment
• You will make a real impact on how people communicate in a commercial environment

Who is right for the role?

• You will have experience writing complex Node.js and TypeScript code.
• You will have an understanding of Linux Systems Administration
• You will have previous Git and Docker experience
• You will be passionate about staying updated with the latest web technologies.
• You will have previous experience developing/consuming Rest APIs
• You will thrive in a collaborative work environment