Lead Software Engineer

SS&C Technologies; Basildon; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading financial services and healthcare technology company is seeking a Lead Software Engineer in Basildon, UK, to drive the technical rewrite of their systems to a modern microservices architecture. Ideal candidates possess over 8 years of experience in .NET, strong technical skills in C#, GraphQL, and Docker, as well as leadership in tech decisions. The position offers flexibility with hybrid work, collaboration with cross-functional teams, and a focus on continual improvement. Candidates can expect a supportive work environment with competitive benefits.

Benefits

Hybrid Work Model

Professional Development Reimbursement

Competitive holiday scheme

Wellbeing benefits

Diversity & Inclusion initiatives

Hands-On Training

Qualifications

• 8+ years of experience as a senior .NET software engineer.
• Hands-on experience with microservices and transformation from monolithic to microservices.
• Experience working with geographically distributed teams.
• Technical leadership and architecture experience.

Responsibilities

• Lead the design, development, and deployment of applications using .NET.
• Collaborate with product managers, UX/UI designers, and developers to deliver solutions.
• Conduct code reviews, enforce coding standards, and ensure best practices.

Skills

C#

.NET 6 or later

REST

GraphQL

Docker

RabbitMQ

Postgres

OpenTelemetry

MassTransit

MartenDB

CQRS

Event Sourcing

Frontend development

Job description

Job Description

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology.

GetToKnowUs:

SS&C is leading the way. We continue to look for today's and tomorrow’s brightest talent, those who embody a spirit to improve not only their lives, but those around them. From college students to seasoned and experienced professionals, we encourage you to apply. SS&C prides itself on hiring diverse, honest, dynamic individuals who value collaboration, accountability, and innovation, to name a few.

Lead Software Engineer

Locations: London, Essex | Hybrid

The Opportunity

This role offers the opportunity to be part of the core engineering team, driving the technical rewrite of a large monolithic system into a modern microservices architecture. You will influence development frameworks, coding standards, and engineering best practices across the project teams. The position offers exposure to complex technical challenges and close collaboration with experienced cross‑functional teams. You’ll also contribute to continuous improvement initiatives while participating in a fair, structured on‑call rotation once fully skilled, supporting system stability and operational excellence.

What You Will Get To Do:

• Lead the design, development, and deployment of applications using .NET
• Collaborate with product managers, UX/UI designers, and developers to deliver solutions
• Conduct code reviews, enforce coding standards, and ensure best practices
• Drive continuous improvement in development processes, tools, and methodologies
• Manage technical risks and ensure the timely delivery of projects
• Troubleshoot and resolve technical issues across environments

On-Call Support:

• The development team provides out‑of‑hours on‑call assistance in 4‑hour slots, including weekend to the operations team on a rota basis. You will be part of this rota once suitably skilled and can expect up to 3 on‑call slots per week.

What You Will Bring:

• 8+ years of experience as a senior .NET software engineer
• Technical skills
  • Must Have: C#, .Net 6 or later, REST, GraphQL, Docker, RabbitMQ, Postgres, OpenTelemetry
  • Good to have: MassTransit, MartenDB, CQRS, Event Sourcing, Frontend development
• Hands‑on experience with microservices and transformation from monolithic to microservices
• Experience working with geographically distributed teams
• Application profiling, debugging, and performance tuning
• Technical Leadership & Architecture experience, you have led decisions on technology stacks, designed system architecture, and ensured scalability and security.
• Experience coaching developers, reviewing code to ensure quality standards, and promoting best practices like testing and documentation.

Why You Will Love It Here!

• Flexibility: Hybrid Work Model
• Your Future: Professional Development Reimbursement, including access to SS&C University
• Work/Life Balance: Competitive holiday scheme
• Your Wellbeing: Competitive benefits designed to support the well‑being of our staff
• Diversity & Inclusion: Committed to Welcoming, Celebrating and Thriving on Diversity
• Training: Hands‑On, Team‑Customised throughout your career

We encourage applications from people of all backgrounds to enable us to bring diverse perspectives to our thinking and conversation. It's important to us that we strive to have a workforce that is diverse in the widest sense.

Thank you for your interest in SS&C! If applicable, to further explore this opportunity, please apply directly with us through our Careers page on our corporate website @ www.ssctech.com/careers.

Unless explicitly requested or approached by SS&C Technologies, Inc. or any of its affiliated companies, the company will not accept unsolicited resumes from headhunters, recruitment agencies, or fee‑based recruitment services.

SS&C Technologies is an Equal Employment Opportunity employer and does not discriminate against any applicant for employment or employee on the basis of race, color, religious creed, gender, age, marital status, sexual orientation, national origin, disability, veteran status or any other classification protected by applicable discrimination laws.