Senior Software Development Lead

Expleo Group

Senior Software Development Lead at Expleo providing technical leadership across development teams to deliver scalable software solutions. Leading the design and development of key features using modern technologies.

Posted 6/9/2026full-timeMilton Keynes • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDockerGoogle Cloud PlatformJavaScriptJenkinsKubernetesMicroservicesMongoDBMySQLNode.jsNoSQLPostgresReactSQLTypeScript

About the role

Key responsibilities & impact

Lead the design and development of key features, components, and services across the application stack
Provide hands-on guidance in building scalable applications using React, Node.js, and TypeScript
Own critical technical decisions, ensuring alignment with architectural standards and long-term scalability goals
Act as the primary escalation point for complex technical challenges and design issues
Translate business and functional requirements into technical designs and implementation plans
Collaborate with product owners, business analysts, and stakeholders to refine requirements and define solution approaches
Produce and review technical design documentation, API specifications, and architectural artefacts
Define and enforce coding standards, development best practices, and quality benchmarks
Conduct code reviews to ensure maintainability, performance, and security compliance
Ensure adherence to DevSecOps practices, including CI/CD, automated testing, and secure coding
Monitor and improve non-functional requirements such as performance, scalability, reliability, and resilience
Guide and mentor offshore and distributed development teams, ensuring alignment to delivery standards
Allocate tasks, oversee progress, and provide regular technical direction to team members
Facilitate knowledge transfer, technical upskilling, and team capability development
Ensure effective coordination between onshore and offshore teams, managing dependencies and delivery risks
Work closely with architects, QA teams, DevOps engineers, and business stakeholders
Participate in and contribute to design reviews, sprint planning, and governance forums
Communicate technical decisions, risks, and progress clearly to both technical and non-technical audiences
Support Agile delivery processes including backlog refinement, sprint planning, estimation, and retrospectives
Ensure timely and predictable delivery of features aligned with sprint and programme objectives
Identify risks and proactively implement mitigation strategies

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Engineering, or equivalent experience
Core Technologies
Front-end: React.js, HTML5, CSS3, JavaScript (ES6+), TypeScript
Back-end: Node.js (Express.js/NestJS)
API Development: RESTful services, microservices architecture
Databases: SQL (PostgreSQL/MySQL) and NoSQL (MongoDB)
Strong understanding of software architecture patterns (microservices, layered architecture, event-driven systems)
Experience with scalable and cloud-native solution design
Knowledge of system integration patterns and API design principles
Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins)
Familiarity with cloud platforms (Azure/AWS/GCP)
Exposure to containerisation (Docker) and orchestration (Kubernetes)
Strong grounding in clean code principles and design patterns (SOLID, DRY)
Experience with test automation, code quality tools, and static analysis
Understanding of security best practices and compliance requirements
Overall experience with strong hands-on development background
Proven experience in technical leadership or senior development roles
Experience delivering enterprise-scale applications in Agile environments
Exposure to distributed delivery models (onshore/offshore teams)

Benefits

Comp & perks

Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects
Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
Competitive company benefits
Always working as one team, our people are not afraid to think big and challenge the status quo
As a Disability Confident Committed Employer we have committed to:
Ensure our recruitment process is inclusive and accessible
Communicating and promoting vacancies
Offering an interview to disabled people who meet the minimum criteria for the job
Anticipating and providing reasonable adjustments as required
Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

React.jsNode.jsTypeScriptHTML5CSS3JavaScript (ES6+)RESTful servicesmicroservices architectureSQL (PostgreSQL/MySQL)NoSQL (MongoDB)

Soft Skills

technical leadershipmentoringcommunicationcollaborationproblem-solvingrisk managementtask allocationknowledge transferteam capability developmentstakeholder engagement

Certifications

Bachelor’s degree in Computer ScienceBachelor’s degree in Engineering