10000+ Available Jobs for "Senior Lead Software Engineer - Python / Java"

Senior Java Developer

Senior Java DeveloperMy customer is actively hiring a talented & eager Senior Java Developer to join their growing & dynamic team. The successful candidate will be responsible for...

LambethFull Time

HCLTech

Senior Java Developer

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External

Job DescriptionHCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and...

LondonAny

HCLTech

Senior Java Developer

External
External

Job DescriptionHCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and...

AldgateAny

Lead Python Developer

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LambethFull Time

Adecco

Java Technical Lead

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External

Job DescriptionJava Technical LeadSalary: Up to £80,000 + BenefitsLocation: Wembley - Fully On-site Type: PermanentWe're looking for an experienced Java Technical Lead to lead the...

WembleyAny

17918

Senior Java Engineer

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Senior Java Engineer £60,000 - 75,000 GBP Bonus, Pension, Benefits Remote WORKING Type: Permanent Senior Java Engineer Payments Technology Location: UK Wide / Primarily Remote...

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Infosec

Lead Python Developer

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External

Job DescriptionOur client, an innovative and rapidly growing business within the Exchange Traded Funds (ETF) sector, is seeking an experienced Lead Python Developer to play a key...

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Anson Mccade

Senior Java Engineer

External
External

Job DescriptionSenior Java Engineer£60,000 - 75,000 GBPBonus, Pension, BenefitsRemote WORKING Type: PermanentSenior Java EngineerPayments TechnologyLocation: UK Wide / Primarily...

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Client Server

Senior Software Engineer Python

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External

Job DescriptionSenior Software Engineer / Developer (Python) Cambridge to £80kDo you have strong backend Python software development experience?You could be joining the world's...

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17918

Senior Backend Software Engineer Python

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Senior Backend Software Engineer / Developer (Python) London / WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be...

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Java Application Architect

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17918

Lead Python Developer (Active SC)

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Lead Python Engineer £525/day Outside IR35 3-Month Contract Hybrid Working Active SC Clearance Required An experienced Lead Python Engineer is required to join a...

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17918

Senior Python Developer

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External

Senior Python Engineer Infrastructure Automation London, London City Hybrid, 2 days a week onsite £75k plus 8% bonus, 10% pension, private healthcare 5+ years commercial...

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Lead Java Modernization Engineer - London, Wembley

Job Title: Lead Modernization Engineer Java / Node.js Salary: Paying £75,000 - £85,000 per annumLocation: Wembley London - 5 days on-siteOur client, a well-established and...

WembleyFull Time

Fullstack Developer - Java

Your new company I'm looking for a Fullstack Developer with Java experience to join a well-known team on a 12-month contract. Office attendance required at least 3 days per week....

LambethContract, Work From Home

Sponsored

Senior Java Developer

Full TimeLambeth
£115,000 to £125,000 /Yr
Lambeth
Full Time
Posted 4 days ago

Job Description

Senior Java Developer
My customer is actively hiring a talented & eager Senior Java Developer to join their growing & dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept to deployment and beyond. This role is ideal for a passionate and seasoned Senior Java Developer looking to further their career in a challenging and rewarding environment.
Role Overview
You will work on in-house systems, APIs, client reporting and web portal, as well as customising our third-party trading system. You will translate complex business requirements into scalable, high-quality software solutions.
This is an opportunity to deepen your expertise in a capital markets environment as a Senior Java Developer while taking on team leadership and mentoring responsibilities — with direct exposure to cloud-native infrastructure, advanced Java development, AI and a highly collaborative engineering culture.
Key Responsibilities
* Design, develop and maintain in-house systems, APIs, reporting tools and the client web portal
* Customise and extend third-party trading systems to meet business requirements
* Write clean, well-tested code following SOLID principles, Design Patterns and Clean Code practices
* Apply TDD and BDD methodologies; maintain test coverage using JUnit, Spock and Mockito
* Participate in code reviews and contribute to continual improvement of engineering standards
* Manage and mentor a team of Java (and other) developers, supporting growth and career development
* Liaise with various stakeholders (IT and Business) to understand requirements and propose solutions to senior stakeholders
Essential
* 6+ years' Java development experience at a Financial Services company
* Java 11+, Spring/Spring Boot, multi-threading, profiling, performance tuning, RMI
* Capital Markets knowledge or similar
* Experience in high-quality software practices: TDD, Agile, automated builds/deployments
* Strong knowledge of CI build and deployment management tools
* Experience with test frameworks (JUnit/Spock) and mocking libraries (e.g. Mockito)
* Proficiency with Git and Maven
Senior Java Developer