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Software Engineer / Full Stack Developer (C# .Net Core AWS JavaScript) St Albans / WFH to £100k Opportunity to progress your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it for you: As a Software Engineer you will earn a competitive package: • Salary to £100k, • Bonus, • 25 days holiday, rising to 30 after 2 years, • Enhanced parental leave, • Contributory pension scheme, • Private Medical, • MSDN subscription, • Discounts for gym membership, travel and cinema, • Sabbatical after 10 years of service, • Flexible working with 2 days work from home per week Your role: As a Software Engineer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: • You have strong C# .Net Core backend development skills, • You have JavaScript experience, combined with Angular or React, • You have experience with AWS and microservices, • You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms, • You enjoy collaborating, learning new things and sharing knowledge, • You are degree educated in Computer Science or closely related discipline Apply now to find out more about this Software Engineer / Developer (C# .Net Core AWS JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

We are looking for a Biology Expert to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. In this role you will need to hold an expert understanding of biology- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Microbiology, Cell Biology, Genetics, Physiology, Biochemistry, Molecular Biology, Biotechnology, Environmental Science. Benefits: • This is a full-time or part-time REMOTE position, • You’ll be able to choose which projects you want to work on, • You can work on your own schedule, • Give AI chatbots diverse and complex biology problems and evaluate their outputs, • A current, in progress, or completed Masters and/or PhD is preferred but not required, • Fluency in English (native or bilingual level), • Detail-oriented

Software Engineer / Full Stack Developer (C# .Net Core AWS JavaScript) St Albans / WFH to £100k Opportunity to progress your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it for you: As a Software Engineer you will earn a competitive package: • Salary to £100k, • Bonus, • 25 days holiday, rising to 30 after 2 years, • Enhanced parental leave, • Contributory pension scheme, • Private Medical, • MSDN subscription, • Discounts for gym membership, travel and cinema, • Sabbatical after 10 years of service, • Flexible working with 2 days work from home per week Your role: As a Software Engineer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: • You have strong C# .Net Core backend development skills, • You have JavaScript experience, combined with Angular or React, • You have experience with AWS and microservices, • You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms, • You enjoy collaborating, learning new things and sharing knowledge, • You are degree educated in Computer Science or closely related discipline Apply now to find out more about this Software Engineer / Developer (C# .Net Core AWS JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

TGRC is proud to be partnering with a UK-based applied science and advanced engineering company at the forefront of industrial innovation. Leveraging a multi-disciplinary approach across the automotive, aerospace, and chemical sectors, the firm is driving sustainability by enabling manufacturers to integrate carbon-derived silica,while significantly cutting emissions. Our client is seeking a proactive and detail-oriented Process Engineer to join the team, contributing to the design, optimization, and scale-up of our cutting-edge carbon conversion technologies. This position offers a highly interdisciplinary scope, blending process simulation, plant design, hands-on troubleshooting, and innovative problem-solving to drive impactful results. Key Responsibilities: • Design, optimize, and troubleshoot chemical processes to enhance efficiency, safety, and scalability., • Utilize process simulation tools (e.g., Aspen Plus or equivalent) for comprehensive plant modeling and process optimization., • Incorporate safety, reliability, and environmental best practices throughout all phases of process design and implementation., • Lead and support scale-up initiatives from laboratory through pilot to full industrial scale., • Work collaboratively with cross-functional teams to develop and deliver innovative process solutions., • Oversee project timelines, resources, and documentation to ensure successful process development execution., • Interpret and analyze process data, identify root causes of issues, and implement effective process improvements., • Maintain precise documentation of process designs, operating procedures, and project deliverables. Required Experience: • Master’s degree (MSc) in Chemical Engineering or a closely related field with a minimum of 2 years of industrial experience, or a PhD with at least 1 year of industrial experience or 2 years of postdoctoral research., • Strong knowledge of process thermodynamics, reaction kinetics, hydrodynamics, and the dynamic behavior of unit operations., • Proficient in process simulation software such as Aspen Plus (or equivalent)., • Proven experience in process optimization, troubleshooting, and project management., • Solid understanding of safety, reliability, and environmental standards within chemical process engineering. Preferred Experience: • PhD in Chemical or Process Engineering, ideally with hands-on experience in process design, optimization, or plant operations., • Experience with automation systems and process control technologies., • Knowledge of technology transfer and scale-up from laboratory to industrial environments., • Demonstrated involvement in sustainability projects and experience working in multidisciplinary teams.

As an Graphics (Android) Engineer you will: • Develop innovations to optimise real-time rendering pipelines and deliver class-leading performance, • Implement standard features and extensions for the Android Graphics stack (SurfaceFlinger, SKIA, HWUI, etc.), • Analyse different graphics workloads, identify bottlenecks and optimise for performance and power usage, • Develop optimal middleware libraries based on graphics and compute APIs (such as Vulkan & OpenGL ES), • Bring-up and evaluate new devices, working with other teams to define and implement new UX requirements, • Have technical responsibility for one or more significant sections of an assigned project, • Translate complex functional and technical requirements into detailed design and implementation Required Skills • A degree in Computer Science, Electronics, Natural Science, Mathematics, Engineering or any related discipline (an equivalent period of industrial experience may be substituted), • Expertise in computer graphics with experience in the design and development of middleware based on Vulkan (preferred), OpenGL ES, OpenGL or DirectX, • Understanding of computer graphics pipelines and modern mobile GPU architectures, • Expert proficiency in C and C++ programming languages, • A proven track record in real time embedded software development - preferably for mobile devices – with a good understanding of the latest development environments, • System level performance analysis and strong OS fundamentals (memory management, multithreading/synchronization, user/kernel mode interaction), • Excellent communication and team work skills, with a results-oriented attitude, • Proficiency in problem solving and debugging Desirable Skills • Experience of SKIA graphics library, • Experience designing and implementing GPU shader algorithms (in GLSL, HLSL or equivalent), • Experience developing system software for Android OS, • Experience working on GPU Drivers, • Experience designing and implementing image processing algorithms, • Experience working with ARM 64-bit architecture, • Familiarity with CPU/NPU hardware architectures, • Experience with Java and/or Python development, • Familiarity with ML and neural networks

TGRC has partnered with a UK-based applied science and advanced engineering company leading the way in industrial innovation. Through a multidisciplinary approach spanning the automotive, aerospace, and chemical industries, the company is advancing sustainability by helping manufacturers integrate carbon-derived silica and substantially reduce emissions. Our client is seeking a practical, research-focused Chemist to join a project exploring the kinetics of gas-phase reactions. This role offers a unique opportunity to work at the intersection of analytical chemistry, kinetic studies, and catalyst development, requiring both technical expertise and a creative, problem-solving mindset. Key Responsibilities: • Operate and maintain advanced analytical instruments (GC, FTIR) to monitor reactants, products, and intermediates., • Prepare samples for kinetic studies while ensuring accuracy, reproducibility, and data integrity across all experimental campaigns., • Utilize a strong understanding of chemical reaction pathways, intermediates, and kinetics to interpret experimental results and inform future study design., • Analyse and interpret complex analytical datasets, correlating outcomes with kinetic models and underlying reaction mechanisms., • Establish and uphold rigorous safety protocols for chemical handling and analytical instrument operation., • Prepare, characterize (e.g., BET, TGA, XRD), and assess catalysts under both flow and batch conditions., • Collaborate with cross-functional teams to develop scalable, efficient, and sustainable chemical processes., • Maintain comprehensive documentation of experimental methodologies, analytical findings, and equipment maintenance records. Required Experience: • PhD in Chemistry (Physical, Analytical, or a related discipline) with at least 2 years of postdoctoral experience, or a minimum of 1 year in an industrial or startup environment., • Proficiency in analytical techniques such as GC, FTIR, and ICP-MS., • Hands-on experience with advanced analytical instrumentation and interpretation of kinetic data., • Strong skills in sample preparation for kinetic studies, ensuring precision and data reliability., • Commitment to best practices in laboratory safety, chemical handling, and instrument maintenance. Preferred Experience: • Background in catalyst synthesis, characterization (e.g., BET, TGA, XRD), and testing in both flow and batch systems., • Familiarity with kinetic modelling software (e.g., DynoChem) or equivalent computational tools., • Proven ability to interpret complex analytical datasets and connect results to kinetic and mechanistic models.

Our client, a leading world-class aerospace material supplier tailored for the Aviation Maintenance, Repair, and Overhaul (MRO) sector, are looking to recruit a Pricing Analyst, to be based at their offices near St Albans, Hertfordshire. On Offer: • An exciting opportunity to join a rapidly expanding organisation that is a highly regarded materials supplier to the Aerospace sector., • Work within a collaborative and supportive commercial team., • Opportunity to make a tangible impact on company profitability and growth., • Professional Development: the company is committed to the ongoing professional development of its employees., • Salary up to £75K, depending on experience, • 1 day WFH flexibility after probationary period, • Pension scheme, social events and Christmas party. Free Parking onsite Main Purpose of the Role: The Pricing Analyst will lead the development, execution and optimization of pricing strategies that maximise profitability while ensuring competitiveness in the market. This position will play a critical role in supporting the business by enhancing pricing intelligence and enabling real time data-driven decisions. You will be reporting to the Sales Manager to ensure alignment with commercial objectives. The role will be supported by the business intelligence team through BI tools and data access to streamline reporting and analytics. Duties and Responsibilities of the Pricing Analyst: • Create and maintain a standardized pricing structure for all products, including differentiated tiers (Gold, Silver, Tail, Web)., • Implement dynamic pricing models responsive to market conditions to optimize margin performance., • Ensure pricing includes full landed cost components such as freight and import duties., • Design, implement, and manage pricing models to support bids, tenders, and quoting processes., • Conduct in-depth analysis of historical sales, market trends, competitor activity, customer segmentation, and product lifecycle data to inform strategic pricing decisions., • Collaborate cross-functionally with sales, finance, and procurement teams to ensure pricing decisions are commercially and operationally viable., • Monitor customer-specific pricing and margin performance, flagging opportunities for improvement., • Maintain pricing data integrity within ERP and reporting systems., • Deliver regular reports and dashboards with insights into pricing KPIs, profitability, and market trends. To Be Considered: • Proven experience in pricing, commercial, or financial analytics roles, ideally across FMCG, e-commerce, or related sectors., • Proven experience managing multiple customers and over 2,000 products., • Pricing strategies and pricing models is essential, • Advanced technical expertise in Python, R, SQL for data analysis and automation., • Strong modelling capabilities including A/B testing, elasticity modelling, segmentation, clustering, sensitivity/scenario analysis, and conjoint analysis., • Proficiency in Advanced Excel, including Macros/VBA and Power BI., • Demonstrated ability to work with large, complex datasets and translate findings into commercial insights., • Excellent collaboration and stakeholder management skills., • Familiarity with ERP systems and pricing databases., • Preferred - Bachelor's degree in Business, Finance, Economics, Mathematics, or a related quantitative field., • Further certification in data science, pricing strategy, or analytics tools is desirable For more details, please contact Willis Global - a leading Recruitment Consultancy for the Aviation & Aerospace industry

Field Service Engineer Hertfordshire £45,000 – £55,000 + company vehicle + bonus + overtime + benefits Aspion Search is partnering with a specialist engineering group delivering high-spec projects across hospitals, laboratories and cleanroom environments. They are seeking a Field Service Engineer to validate and test critical ventilation and cleanroom systems to HTM 03-01, ISO 14644 and GMP standards. The Business: • A respected and expanding provider of commissioning, validation, and compliance services across the UK, supporting the NHS, pharmaceutical, and manufacturing sectors., • Offers structured training, clear career progression, and ongoing professional development., • A forward-thinking, collaborative team where your work directly impacts patient safety, product quality, and clean air compliance. The Role of the Field Service Engineer: Field-based UK role (travel and accommodation fully supported) using state-of-the-art, calibrated equipment to validate critical ventilation systems. • HEPA/ULPA filter integrity testing (DOP/PAO testing), • Airflow measurement for supply and extract systems, • Calculation of air change rates, • Velocity measurements within isolators and laminar airflow (LAF) cabinets, • Monitoring and recording of pressure differentials, • Airborne particle counting and analysis, • Airborne microbial contamination monitoring, • Surface sampling for microbial contamination, • Carries out validation of:, • Operating theatres, • Microbiological safety cabinets (Class I–III), • Cleanroom environments, • Including: • Particle counting, • Smoke visualisation, • HEPA filter testing & installation, • Microbial air and surface sampling, • Pressure differential measurements About the Field Service Engineer: • Engineering or science qualification., • Over 2 year’s experience in cleanroom/HVAC validation within hospital, laboratory or pharmaceutical settings., • Strong understanding of supply & extract ventilation balancing., • Working knowledge of GMP, HTM 03-01 and P601., • Flexible to travel UK-wide with regular overnights., • Full UK driving licence. Benefits of the Field Service Engineer: • Working Away Bonus: £35 per night (paid annually in December)., • Company vehicle (fully expensed) + fuel card., • Mobile phone & laptop provided., • Optional company pension., • 25 days’ holiday + bank holidays., • Company card for all work-related travel/expenses., • Fully funded training and certifications., • Private healthcare., • Door-to-door pay (travel hours paid at single rate)., • Overtime: time-and-a-half (Mon–Fri outside 08:00–17:00), double time on weekends., • 6-month probation; sick pay: 10 days at full pay. If you thrive in regulated, high-spec environments and meet the criteria, I’d love to speak. Find out more about our available opportunities or how I can help you further your career – contact me today. Please contact Adele Lewis or click Apply Now. Call: 0151 209 2050 or 07441934030 Email:

Alexander Steele continues its partnership with a multi-site food manufacturer that supplies some of the largest brands in the UK. Due to increased product demand and business growth, they are currently seeking a Quality Assurance Manager to join their team at the Hertfordshire site. Offering: • £40,000 - £45,000, • 33 days of holiday, • Enhanced company pension, • Private medical, • Life assurance Role Overview: The key responsibility of the Quality Manager is to foster a culture of continuous improvement and quality assurance across the site. This involves overseeing technical risks, ensuring compliance with customer technical specifications, and maintaining adherence to established business processes. Additionally, the Quality Manager is committed to maintaining the highest level of BRC accreditation and ensuring the complete fulfilment of all customer requirements. Candidate Requirements: • Minimum of 3 years of experience in a Quality supervisory or managerial position within the food manufacturing industry, • Degree in food science or a related science field, • Strong working knowledge of BRC, HACCP, and current legislation, • Excellent communication skills and the ability to build positive working relationships, • Proficient in computer applications (Word, Excel, Outlook) If you believe this role suits your qualifications, please apply with an updated CV. For further details, you can contact Tracey at Alexander Steele Recruitment at 0131 370 9191 / 07837566646 / .

Job Title: Senior Full Stack Systems Developer (Environment) Ref. No.: CJD(phone number removed)C Location: St. Albans Salary: 80,000 - 85,000 This is an incredible opportunity to join my client, a highly-respected, eco-savvy Technology Company, renowned for lending their expertise to providing monitoring systems to the environmental sector. They are currently searching for a talented, enthusiastic Senior Full Stack Systems Developer with knowledge of, and an evident passion for, the environment. The ideal candidate will be capable of taking on a variety of challenging projects alongside an established team of professionals, based in the vibrant, historical Cathedral City of St. Albans. Benefits for the role of Senior Full Stack Systems Developer include (but are not limited to): • Competitive salary (commensurate with experience), • Performance-related bonuses, • Contributory Pension Scheme, • Generous annual leave entitlement, • Genuine opportunities to shape the future development, direction, and success of the company Responsibilities for the role of Senior Full Stack Systems Developer include: • Overseeing an already-established team of experts, • Leading the production, deployment, and continued development of the company's products within the environmental sector, • Monitoring the continued maintenance of the company's core products and services, • Taking responsibility for the long-term quality and security of the Source Code Required skills and experience for the role of Senior Full Stack Systems Developer include: • A Degree (or higher qualification) in Software Engineering, Data Science, or Computer Science (or a similar, relevant discipline), • Extensive experience of working as a Full Stack Developer, • Demonstrable working knowledge of the Full Software System Lifecycle, including front-end and back-end aspects, • Experience of working with software systems/programmes specifically within an environmental setting, • Demonstrable experience in the use of Java Middleware, API, Docker, and MQ software, • Outstanding knowledge of performance and security in Enterprise Systems, • Experience of working with networks: LAN & WAN/Internet and Security, • Prior experience of Database Access Design and Application Optimisation, • Demonstrable experience of working with Human Computer Interaction (HCI) in Software Systems, including Machine-to-Machine Automation Technologies, • Highly-proficient in Software System Design, Development, Testing, and Deployment Strategies for High Availability Desirable skills and experience for the role of Senior Full Stack Systems Developer include: • Experience of developing software products for use within a Water/Hydrological Environment (e.g. flood risk and mitigation, water quality, etc.), • Prior experience with Deep Learning Neural Network Platforms, • Previous experience with Enterprise Linux Platforms, • Experience of leading/mentoring a team of developers If you are interested in the role of Senior Full Stack Systems Developer, please do not hesitate to contact Caroline Davis at Penguin Recruitment. Please also see our website for a range of other roles currently available. This is a permanent role. Penguin Recruitment is operating as a recruitment agency in respect to this vacancy.

Tech/MSc in Data Science, Computer Science, Statistics, or related fieldsProficiency in Python + core libraries (Pandas, NumPy, Matplotlib/Seaborn, Scikit-learn)Familiarity with SQL for querying relational datasetsSound understanding of

Successful individuals in this role have included graduates with a science-based, business management or social science degree. We are currently seeking a Graduate Pest Control Technician to join our dedicated team covering Harrow, Stanmore and South Oxey. BSc related subject including Social Scienc