June 19, 2026

Senior Transportation Engineer

Senior • Hybrid

Washington, DC

About PSI

PSI is a fast-growing transportation engineering firm with 30+ years delivering award-winning infrastructure work across the DC region and beyond. We've grown from a boutique traffic engineering shop to a 50+ person firm spanning roadway design, transportation planning, software engineering, and construction management. Our team combines cutting-edge technology with a deep commitment to safety and innovation to solve real operational and design challenges facing our communities' transportation systems.

Who You Are

Precision Systems, Inc. is seeking a senior Highway/Roadway Design Engineer to join PSI full-time and lead roadway design and PS&E delivery for transportation infrastructure projects. This position will serve as a senior technical lead for highway, roadway, multimodal, corridor reconstruction, and task-order design assignments, with responsibility for advancing projects from planning and concept development through final PS&E and construction support.

The successful candidate will strengthen in-house roadway design capacity and support federal, state, and local transportation clients, including DDOT, VDOT, MDOT SHA, FHWA, and other public agencies. This role requires a hands-on design leader who can manage roadway geometry, civil/site design, multimodal facilities, drainage coordination, utility coordination, traffic and safety interfaces, ADA compliance, MOT considerations, quality control, and interdisciplinary PS&E integration.

Responsibilities

  • Lead roadway/highway design for corridor reconstruction, safety, multimodal, bridge-adjacent, trail, streetscape, and transportation infrastructure projects
  • Prepare and oversee PS&E packages, including plans, specifications, estimates, quantities, design reports, and supporting technical documentation
  • Develop roadway geometry, horizontal and vertical alignments, typical sections, cross sections, grading, curb ramp layouts, ADA improvements, multimodal facilities, maintenance of traffic concepts, and constructible design details
  • Coordinate roadway design with drainage, stormwater management, traffic signals, lighting, signing and pavement marking, utilities, survey/SUE, geotechnical, structural, environmental, and landscape architecture disciplines
  • Lead concept-to-final design progression, including 30%, 60%, 90%, and final PS&E submissions
  • Support task order kickoff, scope confirmation, field reviews, design criteria development, schedule planning, and technical approach development
  • Identify design risks early, including utility conflicts, field constraints, drainage impacts, ROW/access limitations, constructability issues, ADA compliance concerns, and stakeholder-driven design changes
  • Provide technical direction to roadway engineers, designers, and CADD staff
  • Perform senior technical review and QA/QC of roadway plans, calculations, details, quantities, and design documentation
  • Support client coordination, agency reviews, comment resolution, and interdisciplinary design meetings
  • Develop constructible, standards-compliant roadway solutions in constrained urban, parkway, Federal Lands, and environmentally sensitive settings
  • Support proposal development, project interviews, staff resumes, project descriptions, and technical approach narratives for roadway/highway opportunities

Qualifications

  • Bachelor's degree in civil engineering or related field
  • Licensed Professional Engineer
  • 8+ years of progressive roadway/highway design experience
  • Demonstrated experience leading roadway or highway PS&E packages from concept through final design
  • Strong knowledge of AASHTO, FHWA, MUTCD, ADA/PROWAG, and state/local transportation design standards
  • Experience delivering roadway design for public-sector transportation clients such as FHWA, DDOT, VDOT, MDOT SHA, NPS, or comparable agencies
  • Experience coordinating roadway design with drainage, SWM, traffic, utilities, geotechnical, structural, environmental, and survey disciplines
  • Experience managing multiple concurrent assignments, task orders, or on-call/IDIQ projects
  • Strong understanding of constructability, design staging, MOT considerations, and interdisciplinary plan integration
  • Ability to lead technical staff, communicate with clients, resolve comments, and maintain schedule and quality across active assignments

Preferred Qualifications

  • Experience with bridge-adjacent roadway design, parkways, trails, access roads, or constrained settings
  • Experience producing PS&E packages compliant with FHWA, AASHTO, DDOT, VDOT, MDOT SHA, or NPS requirements
  • Experience with OpenRoads Designer, MicroStation, AutoCAD Civil 3D, ArcGIS, AutoTURN, Synchro, or related transportation design and analysis tools
  • Experience serving as Highway Design Lead, Roadway Design Lead, Civil Lead, Engineer of Record, or task-order manager on multidisciplinary transportation projects
  • Experience mentoring junior roadway engineers and designers
  • Experience supporting small-business prime contracts, IDIQs, MATOCs, or on-call transportation programs

Ideal Candidate Profile

The ideal candidate is a senior roadway design professional who can operate as both a technical lead and a delivery partner. This person should be comfortable leading design production, managing interdisciplinary interfaces, reviewing PS&E packages, resolving agency comments, and helping maintain strong in-house roadway delivery capability. The candidate should bring the technical credibility to lead complex highway/roadway assignments and the practical judgment to develop designs that are buildable, review-ready, and responsive to client priorities.

Benefits

  • Competitive salary commensurate with experience
  • Discretionary annual merit bonus and annual raise
  • Up to 4% 401(k) match
  • Comprehensive benefits package — company covers 70% of medical premiums, plus dental, vision, and company-paid life insurance
  • Hybrid work flexibility (2 days a week)
  • Commuter Benefits

Equal opportunity employer statement.

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Remote

Warsaw, Poland

🏢 Summary: 6-month B2B contract for a senior consultant to lead and scale Specification-Driven Development (SDD) practices in a public transport project. The role focuses on defining structured, executable specifications to support AI-assisted development and modern engineering automation. The consultant bridges business and technical teams to ensure high-quality, specification-first software delivery. 🗂️ Requirements: 8+ years of software engineering experience, Proven hands-on experience with Specification-Driven Development (SDD), Experience with AI-assisted software development, Strong knowledge of Domain-Driven Design (DDD), Strong knowledge of Behavior-Driven Development (BDD), Strong knowledge of Test-Driven Development (TDD), Experience creating executable specifications, Experience in enterprise-scale systems, Experience with microservices and REST APIs, Experience with CI/CD pipelines, Experience with automated testing, Experience with cloud platforms, Proficiency with Git and DevOps practices 📃 Skills: SDD, DDD, BDD, TDD, .NET, C#, Java, Kotlin, REST, Microservices, CI/CD, Azure, Git, DevOps, AI, Event-driven, Integration 🏢 Description: PROJECT INFORMATION: Industry: Public transport Business trips : Visit the DK office if needed Remote Project language: English 6 month contract plus extension Start Date: ASAP Assignment type: B2B contract Assignment Overview We are looking for an experienced external consultant with deep expertise in Specification-Driven Development (SDD) to support strategic software initiatives. The consultant will play a key role in driving modern software engineering practices where detailed specifications are created before development begins — often to guide AI-assisted coding agents and automated development workflows. Specification-Driven Development (SDD) is a modern software methodology focused on defining structured, behavior-oriented specifications prior to implementation. This approach ensures that AI-assisted development tools and engineering teams clearly understand the required functionality, technical constraints, business rules, and acceptance criteria before code is generated or written. Unlike traditional development approaches that primarily focus on how to code a solution, SDD emphasizes what needs to be built through precise, structured, and verifiable specifications that can serve as executable contracts throughout the software lifecycle. The consultant will help establish and scale these practices across development teams, ensuring higher software quality, improved consistency, reduced defects, and stronger alignment between business requirements and implementation. Main Responsibilities Lead and drive Specification-Driven Development (SDD) practices across software teams. Define structured, behavior-driven specifications before implementation begins. Translate business requirements into precise, testable, and AI-consumable specifications. Create executable specifications including: functional requirements technical constraints architectural guidelines business rules acceptance criteria Collaborate with architects, developers, QA engineers, and product owners. Support AI-assisted development workflows and modern engineering automation. Ensure specifications are reviewed and validated before implementation. Improve software quality through specification-first engineering practices. Establish standards for traceability, consistency, and verification. Mentor development teams in modern specification methodologies and engineering discipline. Contribute hands-on to software design and implementation when needed. Key Requirements +8 years of experience in software engineering and enterprise system development. Proven hands-on experience with Specification-Driven Development (SDD). Strong understanding of: AI-assisted software development. Domain-Driven Design (DDD). Behavior-Driven Development (BDD). Test-Driven Development (TDD). Agile methodologies. Experience creating executable specifications and structured engineering documentation. Strong stakeholder management and communication skills. Ability to bridge business requirements and technical implementation. Experience working in large-scale or complex enterprise environments. Strong analytical and problem-solving skills. Technical Competences: Experience with several of the following is expected: .NET / C#/ Java/ Kotlin REST APIs and microservices CI/CD pipelines Automated testing frameworks Azure or cloud-native platforms Git and DevOps practices Event-driven architecture Enterprise integration patterns AI-assisted development tooling Nice to Have Experience from transportation, railway, or critical infrastructure environments. Experience with large-scale digital transformation initiatives. Familiarity with regulated or safety-critical systems. Experience working with AI coding agents and automated engineering workflows.

Technology

emagine Polska

Software Developer

Senior

Remote

Warsaw, Poland

180 - 190 PLN

🏢 Summary: 6-month B2B contract for a senior consultant to lead and implement Specification-Driven Development (SDD) practices in a public transport software environment. The role focuses on defining structured, executable specifications to support AI-assisted development and enterprise-scale systems. The consultant will drive specification-first engineering standards and contribute to modern software architecture and automation workflows. 🗂️ Requirements: 8+ years of software engineering experience, Proven hands-on experience with Specification-Driven Development (SDD), Strong knowledge of AI-assisted software development, Strong knowledge of Domain-Driven Design (DDD), Strong knowledge of Behavior-Driven Development (BDD), Strong knowledge of Test-Driven Development (TDD), Experience creating executable specifications, Experience with enterprise system development, Experience with large-scale or complex systems, Ability to translate business requirements into technical specifications, Experience with Agile methodologies, Experience with CI/CD pipelines, Experience with automated testing, Experience with cloud platforms, Experience with microservices architecture 📃 Skills: SDD, DDD, BDD, TDD, .NET, C#, Java, Kotlin, REST, Microservices, CI/CD, Azure, Git, DevOps, Event-driven, AI, APIs 🏢 Description: PROJECT INFORMATION: Industry: Public transport Business trips : Visit the DK office if needed Remote Project language: English 6 month contract plus extension Start Date: ASAP Assignment type: B2B contract Assignment Overview We are looking for an experienced external consultant with deep expertise in Specification-Driven Development (SDD) to support strategic software initiatives. The consultant will play a key role in driving modern software engineering practices where detailed specifications are created before development begins — often to guide AI-assisted coding agents and automated development workflows. Specification-Driven Development (SDD) is a modern software methodology focused on defining structured, behavior-oriented specifications prior to implementation. This approach ensures that AI-assisted development tools and engineering teams clearly understand the required functionality, technical constraints, business rules, and acceptance criteria before code is generated or written. Unlike traditional development approaches that primarily focus on how to code a solution, SDD emphasizes what needs to be built through precise, structured, and verifiable specifications that can serve as executable contracts throughout the software lifecycle. The consultant will help establish and scale these practices across development teams, ensuring higher software quality, improved consistency, reduced defects, and stronger alignment between business requirements and implementation. Main Responsibilities Lead and drive Specification-Driven Development (SDD) practices across software teams. Define structured, behavior-driven specifications before implementation begins. Translate business requirements into precise, testable, and AI-consumable specifications. Create executable specifications including: functional requirements technical constraints architectural guidelines business rules acceptance criteria Collaborate with architects, developers, QA engineers, and product owners. Support AI-assisted development workflows and modern engineering automation. Ensure specifications are reviewed and validated before implementation. Improve software quality through specification-first engineering practices. Establish standards for traceability, consistency, and verification. Mentor development teams in modern specification methodologies and engineering discipline. Contribute hands-on to software design and implementation when needed. Key Requirements +8 years of experience in software engineering and enterprise system development. Proven hands-on experience with Specification-Driven Development (SDD). Strong understanding of: AI-assisted software development. Domain-Driven Design (DDD). Behavior-Driven Development (BDD). Test-Driven Development (TDD). Agile methodologies. Experience creating executable specifications and structured engineering documentation. Strong stakeholder management and communication skills. Ability to bridge business requirements and technical implementation. Experience working in large-scale or complex enterprise environments. Strong analytical and problem-solving skills. Technical Competences: Experience with several of the following is expected: .NET / C#/ Java/ Kotlin REST APIs and microservices CI/CD pipelines Automated testing frameworks Azure or cloud-native platforms Git and DevOps practices Event-driven architecture Enterprise integration patterns AI-assisted development tooling Nice to Have Experience from transportation, railway, or critical infrastructure environments. Experience with large-scale digital transformation initiatives. Familiarity with regulated or safety-critical systems. Experience working with AI coding agents and automated engineering workflows.

Technology

HERE Technologies

Senior Full-Stack Engineer- AI Agent

Senior

Hybrid

Krakow, Poland

14,000 - 21,000 PLN

🏢 Summary: Full-Stack Senior Software Engineer role focused on building user-facing web applications and conversational interfaces for AI-driven logistics systems. The position involves designing intuitive human–AI interaction flows and integrating frontend applications with backend services and agent-based AI systems. It combines strong frontend development with backend integration to deliver scalable, high-quality end-to-end solutions. 🗂️ Requirements: Strong full-stack software engineering experience, Proficiency in JavaScript and TypeScript, Experience with React or similar frontend frameworks, Solid understanding of backend systems and APIs, Experience integrating frontend with backend services and APIs, Experience building user-facing applications with focus on usability and performance, Understanding of UX principles and interaction design, Experience working with asynchronous workflows and real-world data, Familiarity with AI-powered applications or conversational interfaces, Experience with cloud platforms (AWS, GCP, or Azure), Strong debugging skills across frontend and backend 📃 Skills: JavaScript, TypeScript, React, Next.js, APIs, REST, UX, LLM, AWS, GCP, Azure, HTML, CSS 🏢 Description: What's the role? We are looking for a strong Full-Stack Senior Software Engineer to build intuitive, high-quality user experiences for next-generation agentic AI solutions in the logistics domain. The systems developed by this team optimize deliveries at scale improving driver efficiency, increasing reliability, reducing operational costs, and lowering environmental impact. In this role, you will develop user-facing web applications and conversational interfaces that enable users to interact seamlessly with AI-powered systems. You will focus on creating clear, efficient, and reliable human–AI interaction flows, while integrating tightly with backend services, agent systems, and APIs. This is a hands-on role that requires both strong frontend expertise and solid backend understanding , along with a sharp sense of product and user experience. What You’ll Do: Design and build user-facing web applications and conversational interfaces for AI-driven logistics workflows Develop intuitive human AI interaction flows that make complex system behavior understandable and usable Implement frontend applications using modern frameworks (e.g., React, Next.js) with a strong focus on performance and usability Integrate UI layers with backend services, agent systems, and APIs to deliver end-to-end functionality Collaborate with backend engineers and AI engineers to ensure smooth data flow and system interactions Translate product requirements and user needs into clean, usable, and scalable UI solutions Contribute to backend components where needed (e.g., API integration, lightweight services, orchestration logic) Ensure high-quality delivery through testing, monitoring, and continuous iteration based on user feedback Improve overall user experience through better workflows, interaction patterns, and system responsiveness Leverage AI-assisted development tools to improve development speed and code quality Who are you? What We’re Looking For: Software engineering experience with strong full-stack development skills Strong proficiency in frontend technologies (JavaScript/TypeScript, React or similar frameworks) Solid understanding of backend systems, APIs, and service integration patterns Experience building user-facing applications with a focus on usability, performance, and maintainability Good understanding of UX principles and ability to design flows that simplify complex systems Experience integrating with APIs and working with real-world data and asynchronous workflows Familiarity with AI-powered applications (e.g., conversational interfaces, LLM integrations, agent-driven systems) is a strong plus Experience with cloud platforms (AWS, GCP, or Azure) and modern development practices Strong debugging and problem-solving skills across frontend and backend layers Ability to work independently on well-defined problems and collaborate effectively in cross-functional teams Good communication skills and a strong sense of ownership What We Offer: The opportunity to tackle meaningful and challenging problems A chance to continuously learn and stay on top of the latest technology trends Work that has real-world impact, shaping the future of mobility and technology Regular feedback to help you grow and succeed in your role A collaborative and supportive team environment where your contributions are valued Competitive salary plus bonus Flexible working hours and a hybrid working environment Medical coverage for you and your family This role is eligible for Creative Tax Incentive scheme in Poland” or KUP (Autorskie Koszty Uzyskania Przychodu) Option to work on a B2B contract (please note: benefits, bonus and KUP do not apply in this case) Change is HERE. Apply Now! #LI-AK8   #LI-HYBRID Life at HERE in Poland comes with a competitive total rewards package designed to support your health, wellbeing, and performance. This includes a base salary, a Short-Term Incentive (STI) bonus (percentage based on role), a creative tax advantage for eligible positions, private medical care (including dental), life insurance, a meal allowance, vision reimbursement, a remote work allowance (if applicable), access to MyBenefit and Multisport programs, and various wellbeing initiatives. Paid time off, sick leave, and parental leave are provided in accordance with the Polish Labor Code. As part of HERE Technologies employment process, candidates will be required to successfully complete a pre-employment screening process. This offer and any related claims are subject to the successful completion of a pre-employment screening. This will involve employment, education, and criminal verification if applicable. HERE is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, age, gender identity, sexual orientation, marital status, parental status, religion, sex, national origin, disability, veteran status, and other legally protected characteristics. Who are we? HERE Technologies is a location data and technology platform company. We empower our customers to achieve better outcomes – from helping a city manage its infrastructure or a business optimize its assets to guiding drivers to their destination safely. At HERE we take it upon ourselves to be the change we wish to see. We create solutions that fuel innovation, provide opportunity and foster inclusion to improve people’s lives. If you are inspired by an open world and driven to create positive change, join us. Learn more about us on our YouTube Channel. Apply for this job online Email this job to a friend Share on your newsfeed Connect With Us! Not ready to apply? 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