Lead Backend Engineer - Technologist

Client Server Limited; Newcastle upon Tyne; On-site; GBP 78,000 - 130,000; Full time

Benefits offered by this job

25 days holiday

Relocation assistance

Social team events

Job summary

Client Server Limited is seeking a Lead Backend Engineer to design and implement core applications and APIs, overseeing secure server environments and hands-on architecture. Based in Newcastle on-site, you’ll collaborate with clients and internal teams to shape product direction.

Expect strong leadership responsibilities, mentoring, and problem-solving across languages like Python, TypeScript, C#, and more in a dynamic FinTech consultancy setting.

Qualifications

• Minimum 2.1 BSc in Computer Science or equivalent.

Responsibilities

• Design and implement core applications and APIs/microservices.
• Ensure secure, reliable server environments.
• Collaborate with clients and internal teams to gather requirements.
• Provide technical leadership, review code, mentor team.

Skills

Communication

Client relationships

Problem solving

Team collaboration

Business acumen

Education

BSc in Computer Science

Tools

C#

.NET

Python

TypeScript

C++

Rust

RESTful APIs

Vue.js

React

PostgreSQL

CI/CD

AWS

Azure

GCP

Job description

Lead Backend Engineer / Developer (Python TypeScript API) Newcastle onsite to £130k

Are you a technologist who enjoys working with a range of programming languages and liaising with clients?

You could be joining a scaling FinTech within the consulting division of the Newcastle office.

What's in it for you:

• Salary to £130k + Bonus
• 25 days holiday
• Social team atmosphere with a range of events and early finish for drinks on Fridays
• Relocation assistance (within the UK)

Your role:

As a Lead Backend Engineer you'll design and implement the logic behind core applications, build APIs and microservices that handle data processing, business rules and third-party integrations and oversee the configuration and upkeep of secure, reliable server environments, working with a range of programming languages and technologies, dependant on the client environment.

You will work closely with internal teams and customers to gather detailed requirements through meetings and workshops and help shape the product vision and roadmap by offering technical insight and feasibility guidance, remaining hands-on with architecture and design.

You will be a technical leader, instilling best practices, conducting code reviews, mentoring and collaboratively problem solving to help your team remove any blockers and delivery high quality software.

Location:

You’ll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours 0900-1800 with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!).

About you:

• You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level
• You have strong software engineering experience with a range of technology e.g. C#, .Net, Python, TypeScript, C++, Rust, RESTful APIs, Vue.js, React, PostgreSQL, CI/CD, Cloud (AWS, Azure, GCP), DevOps
• You have advanced communication and client relationship building skills gained within a consultancy environment
• You have strong business acumen
• You're a technologist who enjoys collaborating and problem solving
• You have a good knowledge of modern software engineering best practices across the full software development lifecycle
• You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms