Adecco
Senior Software Engineer
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Adecco Pontoon is an employment consultancy.
We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.
Job title: Senior Software Engineering (Python / C# /.NET, Data & Database Platforms)
Location: London (2/3 days per week onsite)
Contract: 12 months with possible extension
Rate: £600 - £650 inside IR35
Role Overview
We are seeking an experienced Software Engineering professional with strong expertise in Python, C#/.NET, enterprise data platforms, and database technologies. This role combines hands-on technical leadership with ownership of strategic technology initiatives supporting business-critical data and analytics capabilities.
Key Responsibilities
Technical Leadership
- Lead the design and delivery of enterprise-grade software applications and data platforms using Python and C# (.NET).
- Define solution architecture and engineering standards for scalable, resilient, and maintainable systems.
- Act as a technical authority for software engineering, database design, and data platform initiatives.
- Drive modernization of legacy applications and migration towards cloud-native architectures.
- Review technical designs and code to ensure alignment with engineering standards and best practices.
- Champion software quality, security, performance, and operational excellence.
Data Platform & Solution Ownership
- Lead delivery of data integration, ETL/ELT, and analytics enablement solutions.
- Oversee design and implementation of data models across operational, analytical, and reporting workloads.
- Ensure alignment with enterprise data strategy, architecture standards, and governance frameworks.
- Drive optimization of database performance, scalability, and data processing capabilities.
- Collaborate with Data Engineering, BI, Analytics, and Architecture teams to deliver integrated solutions.
Stakeholder Management
- Partner with business stakeholders to understand strategic objectives and translate them into technical solutions.
- Provide technical guidance and recommendations to senior management and project sponsors.
- Manage priorities across multiple initiatives while balancing delivery, risk, and technical debt.
- Communicate complex technical concepts clearly to both technical and non-technical audiences.
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People Leadership & Mentoring
- Mentor and develop software engineers and technical specialists.
- Promote a culture of continuous improvement, accountability, collaboration, and innovation.
- Support recruitment activities including technical assessments and interviews.
- Foster knowledge sharing and engineering best practices across teams.
Governance, Risk & Controls
- Ensure solutions comply with security, data governance, regulatory, and operational risk requirements.
- Support audit, compliance, and resiliency initiatives.
- Implement appropriate monitoring, logging, and operational support frameworks.
- Drive adoption of CI/CD, automated testing, and DevOps practices across development teams.
Required Skills & Experience
Engineering & Development
- Extensive experience developing enterprise applications using:
- Python
- C# / .NET Core /.NET 8+
- Strong experience designing distributed systems, APIs, and service-oriented architecture.
- Proven ability to lead technical delivery across multiple projects and teams.
- Experience defining engineering standards, design patterns, and development best practices.
Database & Data Engineering
- Strong experience with SQL Server, PostgreSQL, and enterprise database platforms.
- Expertise in:
- Data modelling (OLTP, OLAP, dimensional models)
- Query optimization and performance tuning
- Database scalability and resilience
- Data governance and quality management
- Experience delivering large-scale ETL/ELT solutions and enterprise data pipelines.
- Experience with event-driven and messaging architectures.
Data Platforms & Cloud Technologies
- Hands-on experience with:
- Azure Data Lake
- Databricks
- Snowflake
- Delta Lake
- Azure Synapse Analytics / Microsoft Fabric
- Spark / PySpark
- Strong understanding of:
- Data Lake and Lakehouse architecture
- Hybrid cloud environments
- Enterprise integration patterns
- Modern data formats including Parquet, Avro, and ORC
DevOps & Platform Engineering
- Experience implementing CI/CD pipelines and DevOps practices.
- Experience with infrastructure automation and environment management.
- Familiarity with:
- Docker
- Kubernetes
- Azure DevOps
- Git-based development workflows
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Preferred Qualifications
- Experience leading technology initiatives within Financial Services, Capital Markets, Investment Banking, or Corporate Banking environments.
- Experience delivering cloud migration and platform modernization programs.
- Knowledge of data governance frameworks and regulatory requirements.
- Familiarity with real-time streaming platforms such as Kafka and Azure Event Hub.
- Understanding machine learning and advanced analytics platforms.
- Bachelor’s or Master’s degree in computer science, Engineering, Mathematics, or a related discipline.
- Industry certifications in Azure, Data Engineering, Architecture, or Software Engineering.
Leadership Competencies
- Strategic thinking and technology leadership.
- Strong stakeholder engagement and influencing skills.
- Ability to drive delivery across multiple competing priorities.
- Excellent communication and presentation skills.
- Strong decision-making and problem-solving capabilities.
- Ability to create alignment across business and technology functions.
- A collaborative leadership style that promotes trust, inclusion, accountability, and continuous improvement.
Key Success Measures
- Successful delivery of strategic software and data platform initiatives.
- Increased platform scalability, performance, and reliability.
- Reduction of technical debt and modernization of legacy capabilities.
- Improved data quality, accessibility, and governance.
- High-performing engineering teams with strong engagement and development.
- Strong stakeholder satisfaction and successful business outcomes.
- Consistent alignment with enterprise architecture and technology strategy.
Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.
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