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Software and systems engineer jobs in United Kingdom

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  • Java Software Engineer
    Java Software Engineer
    15 days ago
    £18000–£24000 yearly
    Full-time
    London

    Software Engineer with 3 to 5 years of Java experience ▪ Writing and maintaining technical documentation for applications ▪ Creating and deploying patches and updates. ▪ Assisting in the design and implementation of IT projects. ▪ Monitoring system performance and coordinating software upgrades. ▪ Providing technical support to end-users.Leading software development projects and initiatives ▪ Writing well-designed, testable, and efficient code for designing, developing, and testing software solutions and applications ▪ Building reusable components and libraries for future ▪ Troubleshooting and debugging to optimize performance ▪ Providing code documentation and other inputs to technical documents ▪ Ensuring software quality and performance through testing and optimization ▪ Supporting continuous improvement by investigating alternatives and new technologies and presenting these for architectural review ▪ Conducting and participating in code reviews and ensuring adherence to coding standards ▪ Interface with other technical personnel or team members to finalise requirements. ▪ Write and review portions of detailed specifications for the development of complex system components. ▪ Work closely with other development team members to understand complex product requirements and translate them into software designs. ▪ Successfully implement development processes, coding best practices, and code reviews. ▪ Operate in various development environments (Agile, Waterfall, etc.) while collaborating with key stakeholders.

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  • Software Engineer
    Software Engineer
    16 days ago
    £12.95–£14.5 hourly
    Full-time
    London

    Software Engineer Intern (12-Month Internship) Company: Eminence Inc Limited Location: United Kingdom Duration: 12 Months (Full-Time Internship) Salary: UK National Minimum / National Living Wage (in line with current UK Government guidelines) About the Opportunity Eminence Inc Limited is offering an exciting 12-month Software Engineer Internship for motivated and passionate individuals looking to gain hands-on experience in real-world software development projects. This internship provides the opportunity to work on live projects from initial concept through to deployment, collaborating closely with clients, stakeholders, and experienced development teams. Key Responsibilities As a Software Engineer Intern, you will: • Gather and analyse software requirements from clients and stakeholders, • Assist in designing software frameworks, data flows, and work processes, • Develop and design information systems and integrated applications, • Participate in feature development and full software development lifecycle, • Evaluate application feasibility and identify/report bugs, • Support testing, debugging, and vulnerability assessments, • Assist in building and maintaining IT security for applications, • Contribute to system enhancements and performance improvements, • Help integrate software with internal back-end systems, • Develop scripts for automation and data visualisation, • Support architecture development and algorithm analysis, • Participate in product design meetings and client discussions, • Assist in documentation, diagrams, and technical presentations, • Contribute to cloud storage and data storage planning Requirements • Currently pursuing or recently completed a degree in:, • Computer Science, • Software Engineering, • Information Technology, • Or related field, • Basic knowledge of programming languages Java, Python, C++, JavaScript or similar, • Understanding of software development lifecycle, • Knowledge of databases and cloud technologies (desirable), • Strong analytical and problem-solving skills, • Good communication and teamwork abilities, • Interest in cybersecurity and software testing (advantageous), What You Will Gain, • Real-world industry experience, • Exposure to full-cycle software development, • Experience working with clients and stakeholders, • Hands-on practice in testing, security, and system integration, • Mentorship from experienced engineers, • Opportunity to develop professional and technical skills, • Potential opportunity for permanent employment upon successful completion

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  • IT Quality Assurance (QA) & Testing Professional
    IT Quality Assurance (QA) & Testing Professional
    16 days ago
    £40000–£55000 yearly
    Full-time
    Harrow

    Job Overview We are seeking a highly skilled and detail-oriented IT Quality Assurance & Testing Professional to join our growing technology team in London. The ideal candidate will be responsible for ensuring the quality, performance, security, and reliability of software applications through structured testing processes and continuous quality improvements. This is a 100% office-based role, and only candidates currently residing inside London and able to work from the office will be considered. Key Responsibilities • Design, develop, and execute test plans, test cases, and test scenarios based on business and technical requirements, • Perform manual and automated testing for web, mobile, and backend applications, • Conduct functional, regression, integration, system, smoke, UAT, and performance testing, • Identify, document, and track defects using defect management tools (e.g., Jira, Azure DevOps), • Work closely with developers, product managers, and business stakeholders to ensure quality deliverables, • Validate data accuracy, API responses, and backend logic, • Participate in Agile/Scrum ceremonies including sprint planning, stand-ups, reviews, and retrospectives, • Ensure compliance with QA standards, best practices, and security guidelines, • Support release activities and post-production validation, • Proven experience as a QA Engineer / Software Tester / IT Quality Analyst, • Strong understanding of SDLC, STLC, Agile, and Waterfall methodologies, • Hands-on experience with manual testing techniques, • Experience with test automation tools (Selenium, Cypress, Playwright, or similar), • Knowledge of API testing tools such as Postman or SoapUI, • Familiarity with SQL and database validation, • Experience using test management and bug tracking tools (Jira, TestRail, Azure DevOps), • Strong analytical, problem-solving, and documentation skills, • Experience with CI/CD pipelines, • Performance testing experience (JMeter, LoadRunner), • Knowledge of security testing basics, • ISTQB or equivalent QA certification, • Experience testing cloud-based applications (AWS / Azure) Eligibility Criteria (Mandatory) • Must be currently based inside London, • Must be able to work from office (no remote or hybrid option), • Must have the right to work in the UK

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  • Senior Technology Consultant (CTO-Level Advisory)
    Senior Technology Consultant (CTO-Level Advisory)
    2 months ago
    £70000–£75000 yearly
    Full-time
    London

    KRS Infotech Limited is seeking a Senior Technology Consultant to provide CTO-level technology leadership and advisory services across complex digital initiatives for enterprise clients. This role is a UK-based position within KRS Infotech Ltd and involves delivering strategic technology leadership, architecture oversight, and engineering governance as part of KRS’s professional services offering. The role does not constitute an executive, officer, or employment position within any client organisation. Key Responsibilities • Provide senior technology leadership across designated programmes, platforms, or initiatives, • Define and evolve technology strategy, architecture, and engineering standards, • Lead technical decision-making for complex distributed systems and platforms, • Advise on scalability, security, performance, and resilience of enterprise systems, • Partner with product, engineering, and business stakeholders to align technology with business goals, • Review and guide software development practices, tooling, and delivery models, • Mentor senior engineers and technology leads within delivery teams, • Represent KRS Infotech in senior technical discussions with international clients, • Scope & Governance, • The role delivers CTO-level capability, not a CTO appointment, • Authority is limited to advisory and programme-level leadership, • No corporate officer, director, or executive authority within client organisations, • Employment, performance management, and reporting remain with KRS Infotech Ltd, • Required Skills & Experience, • Significant experience in senior technology leadership roles (e.g. Head of Engineering, Principal Architect, Technology Director, CTO-level consultant), • Strong background in enterprise software architecture and system design, • Experience leading technology strategy for large-scale, complex platforms, • Proven ability to advise senior stakeholders at executive and board-adjacent level, • Deep understanding of modern engineering practices, cloud platforms, and scalable architectures, • Experience working in consulting or professional services environments, • Excellent communication and stakeholder-management skills

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