76 to 100 of 266 Permanent OO Jobs

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding of object-oriented design principles and software architecture Experience building production-grade, scalable systems Fluency in English with excellent written and verbal communication skills High attention ...

Dynamics 365BC Developer

Hiring Organisation
Conspicuous
Location
United Kingdom
developers Desirable experience: Automated testing Third-party NAV/BC solutions such as Tasklet Mobile WMS, Continia or Zetadocs C#, Java or other object-oriented programming languages Microsoft Visual Studio SharePoint, CRM or broader Microsoft stack exposure This is a strong opportunity for a Business Central Developer ...

Java Software Engineer

Hiring Organisation
Primis
Location
United Kingdom
implementing scalable RESTful APIs Hands-on experience building high-availability, high-concurrency systems at scale Strong understanding of Design Patterns, Refactoring, and Object-Oriented Design principles Experience with Git, CI/CD pipelines, and modern development methodologies Familiarity with AI-driven development tools (e.g., Windsurf, Claude Code ...

Full Stack .Net Developers (Modernisation & Greenfield)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £58,000 per annum
will be done in React.You will bring solid expertise in cloud environments, particularly Azure. A grounding in engineering best practices is key, including object-oriented design, clean code principles and a structured approach to testing such as TDD, as well as experience working in Agile environments.Beyond the core ...

Senior Software Developer - Web

Hiring Organisation
Uline
Location
Waukegan, Illinois, United States
Employment Type
Permanent
Salary
USD 148,000 Annual
team deliverables. Minimum Requirements Bachelor's degree in Computer Science, Information Technology or related field. 5+ years web development experience. Strong understanding of object-oriented design, web application architecture and relational database design. Skilled in delivering web/e-commerce solutions with ASP.NET, MVC, C# and JavaScript technologies. ...

PRINCIPAL COMPUTER SCIENTIST - PRINCIPAL ENGINEER - STAFF COMPUTER SCIENTIST - LabVIEW Developer & Architect

Hiring Organisation
Southwest Research Institute - Fulltime
Location
San Antonio, Texas, United States
Employment Type
Permanent
Salary
USD Annual
none, must be willing and able to obtain CLA certification within 2 years of start of employment. Must be well versed in object-oriented programming. Must have sufficient communication skills. Must possess project management experience, specifically regarding level of effort estimating and task planning & tracking. Must have working ...

Software Engineer (Engineer Software 1)

Hiring Organisation
HII Mission Technologies Division
Location
Syracuse, New York, United States
Employment Type
Permanent
Salary
USD 850,000 Annual
years relevant experience with Bachelors in related field; or High School Diploma or equivalent and 4 years relevant experience. • Proficient in various object-oriented and functional programming languages (e.g. Embedded C/C++, C/C++, C#, Java) • Proficient in common procedural/scripting languages and object ...

Java J2EE - Advanced

Hiring Organisation
Pinnacle Technical Resources
Location
Brooklyn, New York, United States
Employment Type
Permanent
Salary
USD 80 Annual
years of applied experience. Hands-on experience in system design, application development, testing, and operational stability. Proficient in coding in one or more object-oriented languages, including Java 17+ with Spring Boot. Advanced understanding of agile methodologies such as CI/CD, Application Resiliency, and Security. Experience building ...

Full Stack Developer

Hiring Organisation
GTMaritime
Location
Warrington, England, United Kingdom
Maritime's cybersecurity stack — endpoint protection, network security, user awareness training, and SIEM/SOC tooling. Write clean, modular, well-tested code following object-oriented design principles. Participate in code reviews and hold a high bar for what ships. Work within six-week Shape Up build cycles, collaborating ...

Software Engineer (Hybrid) - 27784

Hiring Organisation
HII Mission Technologies Division
Location
Columbia, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
equivalent and 13 years relevant experience. Experience in designing enterprise APIs. Experience in RESTful web services. Experience in Microservices architecture. Experience in Object Oriented Programming (OOP) paradigms. Experience with the agile software lifecycle. Has a proven ability to learn quickly and works well both independently as well ...

Test Automation Manager

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
code, the role will require this in addition to your role defining strategy and influencing You’re comfortable working in at least one object oriented programming language (JavaScript/TypeScript, Python, Java, C#, etc) You have hands-on experience with GenAI, (e.g. Playwright with MCP). Experience with ...

Web Developer

Hiring Organisation
BUUK Infrastructure
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
with and excellent working knowledge of HTML and CSS. Experience with and excellent working knowledge of JavaScript, jQuery and Ajax. Good understanding of Object Oriented programming. Good understanding of Responsive Web Design concepts using media queries. Experience with version control systems (e.g. git). Experience of systems development ...

Software Security Engineer (Hybrid) - 26911

Hiring Organisation
HII Mission Technologies Division
Location
Columbia, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
text-search engines (e.g. Elasticsearch, MongoDB, Solr) Experience in designing enterprise APIs. Experience in RESTful web services Experience in Microservices architecture Experience in Object Oriented Programming (OOP) paradigms Experience in cloud based technologies (AWS, Azure) Experience in Modern Java Frameworks and Libraries (e.g. Spring, Guava) Experience with ...

C# Developer - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
.NET are central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential ...

Application Architect - Camunda & Java

Hiring Organisation
Sanderson
Location
London Area, United Kingdom
J2EE expertise Commercial experience with Camunda (or similar BPM tools such as jBPM, Activiti, Pega) Experience with Kafka and understanding of Kafka architecture Strong OO design and UML‐based modelling skills Experience with Spring Boot, Spring Security, and modern Java frameworks Database experience (Postgres, Oracle, MySQL, DB2) and ORM/ ...

Senior Software Engineer

Hiring Organisation
OAG
Location
Luton, England, United Kingdom
great web interfaces A builder’s mindset. You understand the who and the why, and you own what ships. Strong C# (or comparable OO language) and confidence across the full stack Solid system-design knowledge (scalability, reliability, security) and the ability to defend architectural trade-offs Experience with CI/ ...

Principal Software Developer

Hiring Organisation
SoCode Recruitment
Location
Cambridge, England, United Kingdom
equivalent industry experience A track record of delivering high-quality software solutions (Principal candidates should demonstrate technical leadership and broader architectural impact) Strong object-oriented design skills and appreciation for maintainability, testability, and reuse Experience with RESTful APIs and microservice/service-oriented design Professional experience with ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
.NET development Bachelor’s degree (or higher) in Computer Science or a closely related technical field Strong understanding of software engineering fundamentals and object-oriented design Experience building server-side or distributed systems in a production environment Interest in financial markets, trading systems, or quantitative environments Strong problem ...

Platform Developer

Hiring Organisation
Erin Associates
Location
Dudley, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Strong experience with Microsoft Power Platform Knowledge of SQL and relational databases Experience with REST APIs and system integrations .NET/C# or object-oriented development experience Understanding of SDLC, testing, and version control Strong problem-solving and troubleshooting skills This is an excellent opportunity to join ...

Power Platform Developer

Hiring Organisation
Erin Associates
Location
Dudley, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Strong experience with Microsoft Power Platform Knowledge of SQL and relational databases Experience with REST APIs and system integrations .NET/C# or object-oriented development experience Understanding of SDLC, testing, and version control Strong problem-solving and troubleshooting skills This is an excellent opportunity to join ...

Java Software Engineer - Microservices | Payments | Enterprise-Scale Systems

Hiring Organisation
Xcede
Location
Dorset, England, United Kingdom
delivery standards are met Required Experience • Strong Core Java development experience 8+ years minimum • Proven experience working on Payments systems • Solid understanding of object-oriented design and software engineering best practices • Strong experience with Spring Framework, Spring Boot, SQL, Oracle, and NoSQL databases • Experience working within Agile environments ...

Software Engineer II | Remote JBLE1 NI

Hiring Organisation
Adepta Partners Limited
Location
Northern Ireland, UK
share technical knowledge within the team What do I need? 3+ years of professional software engineering experience Strong experience with Java and object-oriented programming principles Experience with frameworks such as Spring Boot, Hibernate, or similar Knowledge of RESTful APIs and microservices architecture Understanding of software engineering best ...

Web Developer

Hiring Organisation
Tank Recruitment
Location
Newport, Gwent, United Kingdom
Employment Type
Permanent
continuous improvement initiatives Essential Experience Required Strong commercial PHP development experience Solid HTML, CSS, JavaScript, jQuery, and AJAX skills Good understanding of object-oriented programming principles Experience building responsive web applications Familiarity with Git or other version control systems Experience working with relational databases Understanding ...

IT Application Support Team Leader

Hiring Organisation
Wills Consultants Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£50,000
Science, IT Engineering, or similar Experience with SQL databases (Oracle preferred) Strong Linux CLI and shell scripting experience Knowledge of Java or other object-oriented programming languages Proven experience in a technical support or systems environment Strong leadership and problem-solving skills Excellent communication skills, with the ability ...

IT Application Support Team Leader

Hiring Organisation
Wills Consultants
Location
MK17, Salford, Central Bedfordshire, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£50018 - £52700/annum
Science, IT Engineering, or similar Experience with SQL databases (Oracle preferred) Strong Linux CLI and shell scripting experience Knowledge of Java or other object-oriented programming languages Proven experience in a technical support or systems environment Strong leadership and problem-solving skills Excellent communication skills, with the ability ...