Full-Time

BIM Software Developer

Posted on 5/22/2026

Egis Group

Egis Group

5,001-10,000 employees

Designs, builds, and operates intelligent infrastructure

No salary listed

Bristol, UK

Hybrid

Three days on-site per week required.

Category
Software Engineering (1)
Required Skills
Python
Git
SQL
C#
3D Modeling
REST APIs
DevOps
VBA

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Requirements
  • Two to five years of hands-on experience as a software developer, preferably in an engineering or construction context.
  • Thorough knowledge and experience with C#.
  • Experience working with integrated development environments suited for C# development.
  • Proven ability to understand and maintain legacy codebases.
  • Experience working in a version-controlled environment such as GitLab or GitHub.
  • Strong organisational skills and the ability to manage multiple concurrent development tasks effectively.
  • Clear English writing skills for documentation, version notes, and validation records.
  • Willingness to learn from users and apply practical problem-solving approaches.
Responsibilities
  • Take ownership of an existing internal suite of BIM-related tools and plug-ins.
  • Analyse, maintain, and expand the tools in response to new project requirements and team feedback.
  • Ensure tool updates are robust, well-documented, and backward-compatible with existing workflows.
  • Work directly with other BIM Developers and the BIM Manager to clarify requirements, assess development feasibility, and prioritise enhancements.
  • Respond to tool users’ feedback and proactively propose improvements to streamline their workflows.
  • Participate in internal meetings and tool reviews to ensure that development aligns with team needs and project priorities.
  • Utilise GitLab for code version control and validation document management.
  • Maintain clear documentation of tool revisions, user guides, and testing notes in English.
  • Ensure tools are deployed in a controlled, traceable, and validated manner.
  • Adapt tools to interface with commercial BIM software platforms using available application programming interfaces.
  • Support integration of tools with 3D modelling environments and efforts to streamline BIM checks, data validation, and digital quality assurance/quality control.
Desired Qualifications
  • Experience working with Visual Studio.
  • Experience working with commercial BIM platforms and their application programming interfaces, such as Tekla Structures, Autodesk Revit, and Navisworks.
  • Experience with Windows Forms and Windows Presentation Foundation.
  • Knowledge of BIM environments and workflows, including model checking, data management, and clash detection.
  • Knowledge of Tekla’s application programming interface.
  • Additional experience in SQL, VBA, or Python.
  • Knowledge of DevOps practices.

Starting

Company Size

5,001-10,000

Company Stage

Debt Financing

Total Funding

$1.6B

Headquarters

Montigny-le-Bretonneux, France

Founded

1949

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Simplify's Take

What believers are saying

  • April 2026 results showed €2.389 billion turnover, 10.4% growth, and €5.4 billion backlog.
  • Egis hit 2026 targets two years early, signaling execution strength and pricing power.
  • Management targets defense, data centers, and energy expansion through 2026, broadening demand exposure.

What critics are saying

  • Eight acquisitions in 2025 and Africa reshuffling strain integration and management bandwidth.
  • Egis's private-equity ownership under Tikehau, Apollo S3, ADIA, and Neuberger pushes exit pressure.
  • A failed U.S. integration after Lochner's rebrand would undermine Egis's North American growth thesis.

What makes Egis Group unique

  • Egis spans 70 countries, combining design, operations, and concessions under one platform.
  • August 2026 Lochner rebrand gives Egis 1,500-plus U.S. professionals and 70 offices.
  • 2025 acquisitions RockSol, Engeny, Peracon, and Ecometrix deepen transport, water, and energy specialization.

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Benefits

Hybrid Work Options

Phone/Internet Stipend

Wellness Program

Company News

Pulse 2.0
Aug 19th, 2026
Lochner rebrands as Egis following 2025 merger, creating unified US infrastructure firm with 1,500+ professionals

H.W. Lochner has completed its rebrand as Egis following their merger in July 2025, creating a unified US infrastructure business with over 1,500 professionals across 70 offices. The combined organisation offers services across transportation, water, energy and environmental infrastructure. It integrates Lochner's 80-plus years of US infrastructure experience with Egis' global expertise in architecture, consulting, construction engineering, operations and mobility. Globally, Egis operates in 70 countries with approximately 23,500 employees. The company ranks 17th on Engineering News-Record's Top 225 International Design Firms list and seventh in transportation. Laurent Germain, Egis Group CEO, said the rebrand strengthens their US market position and enables them to leverage their global network to address complex client challenges.

PR Newswire
Feb 13th, 2026
Lochner appoints Karen Wiemelt to board with 35 years of nuclear and energy leadership

Lochner, an Egis Group company, has appointed Karen Wiemelt to its Board of Directors. Wiemelt brings over 35 years of leadership experience in the nuclear and energy sectors, with expertise in programme management, environmental remediation and strategic planning. Wiemelt previously served as Senior Vice President and General Manager at Jacobs, where she led the company's global Energy, Security and Technology business unit. In that role, she managed a portfolio exceeding $1.5 billion in annual revenue and over 8,000 employees worldwide. She has also served on numerous industry and corporate boards. Founded in 1944, Lochner merged with Egis Group in July 2025, positioning it as the cornerstone of Egis' US growth strategy. Wiemelt holds a Bachelor of Science degree in Chemical Engineering from the Colorado School of Mines.

PR Newswire
Nov 24th, 2025
Egis Acquires Colorado-Based RockSol Consulting Group

CHICAGO, Nov. 24, 2025 /PRNewswire/ -- Egis, a global leader in architecture, consulting, construction engineering, operations, and mobility services, has acquired RockSol Consulting Group, Inc., a Colorado-based transportation infrastructure firm specializing in engineering, planning, environmental compliance, design, construction management, inspection, and materials testing. The acquisition strengthens Egis' transportation market position in the fast-growing Mountain States and West region of the U.S. Founded in 1996 and headquartered in Thornton, Colorado, RockSol is known for the highest standard of reliability and quality in delivering highway, bridge, transit, and public works projects that enhance safety, preserve environmental resources, and improve communities. With more than 240 employees, RockSol serves municipalities, counties, state Departments of Transportation, and federal civilian agencies throughout the Western U.S. "We warmly welcome President and Founder Saeid Saeb and our new colleagues from RockSol," said Terry Ruhl, Chief Executive Officer of Egis in the U.S

Newswire
Sep 16th, 2025
Egis Acquires Ecometrix, Bolstering Environmental and Water Capabilities in Canada

/CNW/ - Egis, a global leader in architecture, consulting, construction engineering, operations and mobility services, has acquired Ecometrix, a leading...

Business Wire
Jul 7th, 2025
Tikehau Capital Raises €1 Billion to Support Egis’ Next Phase of Growth, With Backing From an Apollo S3 / ADIA Consortium and Neuberger Berman as Co-Lead Investors

Regulatory News: Tikehau Capital (Paris:TKO), the global alternative asset manager, announces a capital raise for its portfolio company Egis, reaffirming its...

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