19 of 19 Design Patterns Jobs in Hertfordshire

Senior Java Engineer - Customer Fulfilment

Hiring Organisation
Tesco
Location
Welwyn Garden City, Hertfordshire, UK
Employment Type
Full-time
drive any feature/comfortable with TDD cycle Comfortably debug/find complex problems Design Identify and apply appropriate design patterns to problems Understand Idempotence Actively practice the boy scout principle, leaves design, code in a better state than when arrived Understand importance … domain model and can coherently model a problem domain within a given context Understand design patterns such as CQRS and eventual consist Understand how to design for performance at all levels Development Practice Automate everything by default Build a CI/CD pipeline Tech Stack ...

Backend Engineer, Node.js/TypeScript | EMEA

Hiring Organisation
Deel
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
guru, particularly with PostgreSQL, handling query optimization, data migrations, and database modeling. Solid Grasp of OOP and Design Patterns: Strong understanding of object-oriented programming principles and design patterns, with experience in building and extending classes Scalability Focus: Experience in designing systems for scalability ...

Engineering Team Lead

Hiring Organisation
StarCompliance
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
SaaS platform. This role balances hands-on technical contribution with people leadership - providing coaching, mentoring, and line management to developers while also leading design discussions, contributing to architectural decisions, and supporting the technical evolution of the platform. As a leader within Star's engineering organisation, you will foster … Visual Studio. Solid understanding of web technologies such as JavaScript, React, Angular, HTML. Strong grounding in software engineering principles, including SOLID, design patterns, and scalable architecture. Experience delivering enterprise-grade, cloud-hosted applications. Strong understanding of relational databases (SQL Server, PostgreSQL). Experience with modern CI/ ...

Software Engineer

Hiring Organisation
Ocado Retail
Location
Hatfield, Hertfordshire, UK
Employment Type
Full-time
robust, scalable, and high-quality features that deliver an excellent experience for our valued supplier partners. What You'll Do Full Stack Development Design, build, and maintain efficient, reusable, and reliable code across the full technology stack (front-end and back-end). Develop user-facing features … frameworks such as Node.js (back-end), JavaScript/Angular (front-end), SQL. Strong knowledge of cloud platforms (GCP or AWS), software design patterns, and CI/CD principles, including experience with unit testing frameworks and methodologies. Experience in version control systems (e.g., Git). Knowledge of Infrastructure ...

Software Engineer

Hiring Organisation
Ocado Retail
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
robust, scalable, and high-quality features that deliver an excellent experience for our valued supplier partners. What You'll Do Full Stack Development Design, build, and maintain efficient, reusable, and reliable code across the full technology stack (front-end and back-end). Develop user-facing features … frameworks such as Node.js (back-end), JavaScript/Angular (front-end), SQL. Strong knowledge of cloud platforms (GCP or AWS), software design patterns, and CI/CD principles, including experience with unit testing frameworks and methodologies. Experience in version control systems (e.g., Git). Knowledge of Infrastructure ...

Principal Backend Engineer - Matchmaking

Hiring Organisation
ESL FACEIT Group - EFG
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
elite individual contributor who can look at this scale not just as a traffic challenge, but as an abstraction challenge. You will design the systems that define how our players compete, ensuring our architecture is decoupled, extensible, and capable of handling the next 100 million users. What … will be a force multiplier. You will drive technical standards, conduct high-level code reviews, and mentor senior engineers on design patterns and architectural best practices. What We Are Looking For Proven Backend Expertise: Deep experience designing, developing, and deploying robust APIs and microservices in production. Golang ...

Principal Backend Engineer - Matchmaking

Hiring Organisation
ESL FACEIT Group - EFG
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
elite individual contributor who can look at this scale not just as a traffic challenge, but as an abstraction challenge. You will design the systems that define how our players compete, ensuring our architecture is decoupled, extensible, and capable of handling the next 100 million users. What … will be a force multiplier. You will drive technical standards, conduct high-level code reviews, and mentor senior engineers on design patterns and architectural best practices. What We Are Looking For Proven Backend Expertise: Deep experience designing, developing, and deploying robust APIs and microservices in production. Golang ...

Software Security Engineer

Hiring Organisation
MBDA
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
technical expertise to our software development teams and wider project teams, offering guidance on security requirements, security techniques, software architecture, design patterns, coding standards, trade-offs, and best practices. Participating in the evaluation and selection of appropriate technologies and frameworks for software projects. Conducting security assessments ...

Principal Software Engineer C#, Azure, Event Driven

Hiring Organisation
Method Resourcing
Location
St. Albans, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
problem-solving. This is a deep technical role, ideal for someone who thrives on code, architecture, and tangible impact. What you'll do Design and build scalable, distributed systems that support critical environments. Lead technical decision-making and resolve engineering challenges across domains. Own the delivery of complex … scale. Deep fluency in modern programming languages and frameworks. Experience delivering secure, high-availability software into production. Strong understanding of architecture, design patterns, and microservice principles. Ability to balance hands-on coding with architectural oversight and mentorship. Curiosity to explore new tools, paradigms, and emerging technologies. ...

Specialist C++ Engineer

Hiring Organisation
Magnopus
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
succeed in this role High level of proficiency with modern C++ (17 or higher). Comprehensive knowledge of best practices, design patterns, and architectural principles essential for C++ library development. Proven, hands-on experience targeting multiple operating systems such as Windows, Linux, MacOS and iOS. Ability … deliver solutions, including scoping and owning features. Ability to understand and respond to the needs of dependent clients and teams, including adapting C++ patterns to the idiomatic best practices of other languages such as C# and JS or TS. A self-critical approach to work quality and a drive ...

Principal Technologist

Hiring Organisation
WRK digital
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Exceptional You bring: Deep .Net mastery—you've built production systems at scale Strong Azure architecture experience with cloud-native design patterns Demonstrable security framework experience (SOC 2, ISO 27001, ITIL) Hands-on automated testing frameworks expertise Practical BDD familiarity More importantly, you are: A strategic partner ...

Principal Technologist

Hiring Organisation
WRK digital
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Exceptional You bring: Deep .Net mastery—you've built production systems at scale Strong Azure architecture experience with cloud-native design patterns Demonstrable security framework experience (SOC 2, ISO 27001, ITIL) Hands-on automated testing frameworks expertise Practical BDD familiarity More importantly, you are: A strategic partner ...

Lead Software Developer

Hiring Organisation
Amber Labs
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
high-quality delivery and adherence to engineering best practices. Maintain a hands-on approach to software development, primarily using Node.js. Contribute to architecture, design decisions, and technical planning, ensuring alignment with client needs and modern engineering standards. Work closely with product owners, architects, and central government stakeholders. Ensure … multi-disciplinary teams. Desirable Skills Experience with cloud platforms (AWS preferred). Knowledge of microservice architectures. Understanding of GDS service standards and GOV.UK design patterns. Experience working within consultancy or client-facing environments. What We Offer Fully remote working. Opportunities to work on meaningful public-sector and government ...

Lead Software Developer

Hiring Organisation
Amber Labs
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
high-quality delivery and adherence to engineering best practices. Maintain a hands-on approach to software development, primarily using Node.js. Contribute to architecture, design decisions, and technical planning, ensuring alignment with client needs and modern engineering standards. Work closely with product owners, architects, and central government stakeholders. Ensure … multi-disciplinary teams. Desirable Skills Experience with cloud platforms (AWS preferred). Knowledge of microservice architectures. Understanding of GDS service standards and GOV.UK design patterns. Experience working within consultancy or client-facing environments. What We Offer Fully remote working. Opportunities to work on meaningful public-sector and government ...

Lead Software Developer

Hiring Organisation
Amber Labs
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
high-quality delivery and adherence to engineering best practices. Maintain a hands-on approach to software development, primarily using Node.js. Contribute to architecture, design decisions, and technical planning, ensuring alignment with client needs and modern engineering standards. Work closely with product owners, architects, and central government stakeholders. Ensure … multi-disciplinary teams. Desirable Skills Experience with cloud platforms (AWS preferred). Knowledge of microservice architectures. Understanding of GDS service standards and GOV.UK design patterns. Experience working within consultancy or client-facing environments. What We Offer Fully remote working. Opportunities to work on meaningful public-sector and government ...

Lead Decision Intelligence Consultant (Palantir)

Hiring Organisation
Staffworx
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
relationship design, semantics, versioning). Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). Define and implement patterns for data modelling, transformation, and lineage tracking. Design permission models (RBAC/ABAC), object-level security and auditability. Implement CI/… control flows. Clear communicator: can move seamlessly between low-level detail and high-level architecture with different audiences. Enjoys debugging hard problems, documenting patterns, and building repeatable, reusable solutions. Staffworx are a UK based Talent & Recruiting Partner, supporting Enterprise Data, Digital Commerce, Software and Solutions Consulting sectors across ...

Lead Decision Intelligence Consultant (Palantir)

Hiring Organisation
Staffworx
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
relationship design, semantics, versioning). Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). Define and implement patterns for data modelling, transformation, and lineage tracking. Design permission models (RBAC/ABAC), object-level security and auditability. Implement CI/… control flows. Clear communicator: can move seamlessly between low-level detail and high-level architecture with different audiences. Enjoys debugging hard problems, documenting patterns, and building repeatable, reusable solutions. Staffworx are a UK based Talent & Recruiting Partner, supporting Enterprise Data, Digital Commerce, Software and Solutions Consulting sectors across ...

Software Architect

Hiring Organisation
MBDA
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
Stevenage This is a fantastic role for a Software Architect or someone with strong software design skills looking to take the next jump in their career to becoming a Software Architect! Salary : up to circa £80,000 depending on experience Dynamic (hybrid) working : typically 3 to 4 days … Structural and Temporal Architecture including the Internal/External interfaces of the product to meet requirements. Identify, document and be responsible for the design drivers for the software solution e.g. real-time performance, safety, security, user experience, simplicity, reusability, flexibility. Produce derived and emergent requirements capturing the assumptions ...

Software Architect

Hiring Organisation
MBDA
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Stevenage This is a fantastic role for a Software Architect or someone with strong software design skills looking to take the next jump in their career to becoming a Software Architect! Salary : up to circa £80,000 depending on experience Dynamic (hybrid) working : typically 3 to 4 days … Structural and Temporal Architecture including the Internal/External interfaces of the product to meet requirements. Identify, document and be responsible for the design drivers for the software solution e.g. real-time performance, safety, security, user experience, simplicity, reusability, flexibility. Produce derived and emergent requirements capturing the assumptions ...