Senior Software Engineering - Telecommute

Senior Software Developer
Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Arcadis is looking for a Senior Software Developer to specialize in full-stack development for Intelligent Transportation Systems (ITS) functionality into the Arcadis inSIGHT Advanced Transportation Management System (ATMS) software. This includes but is not limited to ITS devices such as Dynamic Message Signs (DMS), PTZ Cameras and Video, Ramp Meters, Weather Sensor Stations, Traffic Detection Devices, and more. Responsibilities include technical design and implementation of new features, including front-end features and service logic, including device-level protocols to communicate with the devices over a network using various industry protocols.
Working with high-profile clients around the world, you will deliver solutions that solve complex problems with evolving data and advanced algorithms. You will use modern technologies and cloud services AWS and Azure to deliver cutting edge applications involved in 24/7/365 active operations. Everyone is committed to delivering highly stable and quality driven software products that impact people's lives.
Feature driven development in a remote collaborative team environment.
Design, develop, unit test, and maintain secure applications and services across a variety of private and public sector clients around the world.
Interface with external data sources using a large variety of protocols.
Leverage cloud services provided by Azure or AWS to host and deliver all services.
Develop new microservices to meet new functional needs of the system, handling design and software architecture roles
Software Development:

Implement ITS device-level protocols to allow for new device types or new functionality to be incorporated into the inSIGHT ATMS software;
Create new software microservices as needed to provide new functionality into the core of the system;
Design services to communicate with field devices across various network topologies;
Define automated unit tests to ensure quality and correctness of service logic;
Interface with external data sources using a large variety of protocols.
Perform manipulation, analysis, and processing of geospatial data.
Optimize the data storage and retrieval to the inSIGHT ATMS database.
Identify and take steps to mitigate common security risks, participating in security reviews and ensures compliance with standards;
Provide support and assistance when troubleshooting issues in the system, to support the delivery teams with new software deployments, system updates, and issues as they arise;
Work with ATMS operations staff as well as client technical staff as needed to investigate protocol-related issues with devices and to assist with integration and acceptance testing of new device or protocol implementations.
Provide technical expertise as needed to other software developers on the team;
Mentor staff to grow the core competency of the team for device service development and protocol implementation capabilities;
Minimum 7 years software development experience;
NET and C#, Web API, SignalR;
Experience with front-end technologies, Angular and TypeScript in particular;
Strong understanding of the full software development life cycle, including best practices;
Experience delivering and maintaining customer facing production systems;
Experience with SQL Server, including developing database queries, optimization, and database support;
Bachelor's Degree in Computer Science or related field, or equivalent experience
Practical experience with low-level protocol implementations for devices and/or IoT;
Experience with protocols for ITS field devices including NTCIP, TMDD, Modbus, and SNMP
Practical knowledge and experience with C++, C, or other low-level languages;
Software developers, Business Analysts, QA staff, and Development Team Leads on the ATMS Team;
Client technical staff during testing, acceptance, for troubleshooting/support activities.
You'll do meaningful work, and no matter what role, you'll be helping to deliver sustainable solutions for a more prosperous planet. Our Commitment to Equality, Diversity, Inclusion & Belonging
We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.
Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP, 401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement. We offer nine paid holidays and 15 days PTO that accrue per year. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.