Go Lang Developer
CV-LibraryBurgess Hill, West SussexcontractPosted: 25 August 2026
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Location: Burgess Hill
Rate: £280-£290 a day
Start Date: Mid September
Job Type: Contract 12 months
Role Overview
We are looking for an experienced Senior Software Engineer with strong hands-on Golang coding experience and solid Java development skills to join a project for a leading financial services organisation.
A key requirement for this role is practical experience using AI tools as part of the software development lifecycle, including leveraging AI-assisted development tools to improve coding productivity, debugging, testing, documentation and overall engineering efficiency.
Key Skills & Experience
Mandatory:
Strong hands-on experience with Golang (Go)
Strong experience with Java
Approximately 10 years of overall software engineering experience
At least 5 years of relevant development experience
Strong software engineering and problem-solving skills
Experience developing and maintaining production-grade applications
Hands-on experience using AI tools in software developmentGood to Have:
SQL
Apache Kafka
Experience working with distributed and scalable systems
Experience working in Agile development environments
AI Development Experience
Candidates should be comfortable using modern AI-assisted development tools in their day-to-day engineering work, including tools for:
Code generation and code completion
Code refactoring and optimisation
Debugging and troubleshooting
Unit test generation
Documentation
Developer productivity and automation
Responsibilities
Design, develop, test and maintain high-quality software applications
Write clean, efficient and maintainable Golang and Java code
Work closely with architects, developers, QA and other stakeholders
Troubleshoot and resolve complex technical issues
Contribute to technical design and implementation decisions
Develop and maintain APIs and backend services
Participate in code reviews and engineering best practices
Use AI-assisted development tools effectively to enhance engineering productivity
Support application testing, deployment and production issues
Contribute to continuous improvement of development processes
Contract & Location
Contract duration: 1 year initially
Location: Burgess Hill, UK
Working model: Hybrid
Working hours: 40 hours per week
Expected start: Within 1 month of acceptance
Rate: £40 per hour
Remote from elsewhere in Europe: Not available
Ideal Candidate
We are particularly interested in candidates who combine strong hands-on Golang development expertise with Java experience and who are actively embracing AI-powered development tools in their current engineering workflow.
Please share relevant profiles with details of Golang/Java experience, AI development-tool experience, current location, right-to-work status and availability/start date.
Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement
Location: Burgess Hill
Rate: £280-£290 a day
Start Date: Mid September
Job Type: Contract 12 months
Role Overview
We are looking for an experienced Senior Software Engineer with strong hands-on Golang coding experience and solid Java development skills to join a project for a leading financial services organisation.
A key requirement for this role is practical experience using AI tools as part of the software development lifecycle, including leveraging AI-assisted development tools to improve coding productivity, debugging, testing, documentation and overall engineering efficiency.
Key Skills & Experience
Mandatory:
Strong hands-on experience with Golang (Go)
Strong experience with Java
Approximately 10 years of overall software engineering experience
At least 5 years of relevant development experience
Strong software engineering and problem-solving skills
Experience developing and maintaining production-grade applications
Hands-on experience using AI tools in software developmentGood to Have:
SQL
Apache Kafka
Experience working with distributed and scalable systems
Experience working in Agile development environments
AI Development Experience
Candidates should be comfortable using modern AI-assisted development tools in their day-to-day engineering work, including tools for:
Code generation and code completion
Code refactoring and optimisation
Debugging and troubleshooting
Unit test generation
Documentation
Developer productivity and automation
Responsibilities
Design, develop, test and maintain high-quality software applications
Write clean, efficient and maintainable Golang and Java code
Work closely with architects, developers, QA and other stakeholders
Troubleshoot and resolve complex technical issues
Contribute to technical design and implementation decisions
Develop and maintain APIs and backend services
Participate in code reviews and engineering best practices
Use AI-assisted development tools effectively to enhance engineering productivity
Support application testing, deployment and production issues
Contribute to continuous improvement of development processes
Contract & Location
Contract duration: 1 year initially
Location: Burgess Hill, UK
Working model: Hybrid
Working hours: 40 hours per week
Expected start: Within 1 month of acceptance
Rate: £40 per hour
Remote from elsewhere in Europe: Not available
Ideal Candidate
We are particularly interested in candidates who combine strong hands-on Golang development expertise with Java experience and who are actively embracing AI-powered development tools in their current engineering workflow.
Please share relevant profiles with details of Golang/Java experience, AI development-tool experience, current location, right-to-work status and availability/start date.
Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement