Developer

Job title: BIM Developer Job Type: Fixed Term Contract IR35 Status: Inside IR35 Start date: January 2026 Duration: 4 Months Contract – Potential to extend or convert to permanent Pay rate: £25-35ph PAYE Location: Bristol/Hybrid Hours of work: Upto 40 hours per week – 2 days per week required in Bristol Role information: As the BIM Developer, you will design and implement digital tools for civil engineering projects, including calculation modules and 3D model-based applications. You will work with C# and Python to support BIM workflows, ensure data consistency, and contribute to the digital transformation of reinforced concrete design. • You will participate in testing new digital solutions proposed by the various stakeholders for projects, ensuring the efficient detailing of reinforced concrete structures and supporting related tasks for other projects as needed. • You will develop software and plugins to support control and modelling activities, including updating or creating tools for Tekla Structures software using C# • You will collaborate with multidisciplinary teams to ensure BIM development quality and compliance with project standards. Qualifications/Experience • All candidates MUST hold a Degree in Civil Engineering, Software development, or a related discipline combining structural engineering and programming skills • All candidates MUST have a minimum of 3 years of experience in developing engineering calculation and/or BIM tools • You must be proficient in C# and Python programming • You must have experience in algorithm development for civil engineering execution studies • You must have knowledge of object-oriented programming, C# Open API, and VBA • You must have skills in performance optimization and large scale data processing • You must have familiarity with 3D modelling libraries and tools (Tekla Structures) • You must have experience with GitLab version control platform • You must have a solid understanding of BIM concepts and tools is a strong asset Please note all candidates must be eligible to obtain security clearance. Interested in this position? please click “apply now” We try to respond to all applicants, but sometimes this is not possible due to high volumes of applications; if you have not heard from us within 14 days, regrettably it means you have been unsuccessful on this occasion. Company information: This contract is being advertised by Rullion Ltd. Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands, to SMEs and start-ups. As a family-owned business, Rullion’s approach is credible and honest, focused on building long-lasting relationships with both clients and candidates. Rullion is a forward-thinking recruitment company that specialises in providing a wide range of talent consultancy services to a diverse client base; from small start-ups to large household names. We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.