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Contract Test Engineer (High-Pressure Gas Systems)
Arbor Energy
San Bernardino, CA
- $50 to $75 USD / hour
We are seeking a Test Engineer to develop, execute, and oversee testing procedures and test stand hardware to test complex fluid, mechanical and electrical systems. This role involves…
Added just now
MA
Senior Software Engineer – Mainframe COBOL, z/OS, CICS, JCL
Manufacturers and Traders Trust Co
Buffalo, NY
- $97,100 to $161,800 USD / year
Guide architecture, integration patterns, and modernization across mainframe and connected platforms, translating mainframe constraints into business, delivery, risk, and operational…
Added just now
MA
Software Engineer
Manufacturers and Traders Trust Co
Buffalo, NY
- $80,900 to $134,800 USD / year
Develop and support automation, integration, and data-processing solutions using Python.
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Seibi Technician - Production Engineering
Toyota
Liberty, NC
Plan and execute machine integration into mass production. (Leveling, adjustment and quality conformation for assigned work area)
Added 1 min ago
SD-WAN Network Engineer
Infosys
United States
⦁ Support the integration of new software features, facilitating smooth transitions within the existing system infrastructure
Added 2 mins ago
Lead Controls Engineer - Major Projects Group
Blattner Company
Remote, United States
Serving as a recognized technical leader within the Major Projects Group, the Lead Controls Engineer drives design quality, consistency, and innovation across concurrent projects spanning…
Added 3 mins ago
Systems Engineer (SME)
Govcio LLC
Newport, RI
GovCIO is currently hiring for a Systems Engineer Subject Matter Expert (SME) to to support the architecture, design, configuration, integration, testing, operational demonstration, and…
Added 4 mins ago
PLC/HMI Controls Software Engineer
RFA Engineering
Saint Paul, MN · Eden Prairie, MN
PLC/HMI Controls Software Engineer will support the development, integration, testing, and commissioning of automated machinery and industrial control systems. This role will work on custom…
Added 4 mins ago
A
Fpga Design Engineer
Actalent
Schaumburg, IL
- $55 to $80 USD / hour
FPGA Design EngineerJob DescriptionThis FPGA Design Engineer role supports a leading defense organization developing cuttingedge systems. You will work across the full FPGA design…
Added 4 mins ago
A
Embedded Software Engineer
Actalent
Schaumburg, IL
- $55 to $120 USD / hour
Participate in the full software development lifecycle, including requirements analysis, architecture and design, implementation, unit testing, integration, and verification.
Added 4 mins ago
A
Mechanical Engineer
Actalent
San Antonio, TX
- $36 to $38 USD / hour
Job Title: Mechanical EngineerJob DescriptionThis Mechanical Engineer role is part of an assembly maintenance engineering team responsible for ensuring reliable operation of equipment in a…
Added 4 mins ago
Reservoir Engineer
Flywheel Energy
Oklahoma City, OK
…dollar, and this role is where that math gets done. The Reservoir Engineer owns the type curves, spacing analysis, development sequencing and reserves that drive the Eagle Ford drilling…
Added 5 mins ago
Senior Electrical / FPGA Engineer
Coherent Corp. US
Santa Clara, CA
Support integration of FPGA and embedded control systems with laser hardware and higher-level system controls.
Added 6 mins ago
CF
Senior Diagnostics Mechanical Engineer
Commonwealth Fusion Systems
Devens, MA
- $134,000 to $205,000 USD / year
Join the power movement as a Senior Diagnostics Mechanical Engineer
Added 6 mins ago
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Fire Protection Engineer - Staff (Job 1519)
DLH
Bethesda, MD
- $105,000 to $110,000 USD / year
…through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operations solve…
Added 6 mins ago
Framework Operations Engineer
SciTec
Boulder, CO
SciTec has an immediate opportunity for a Framework Operations Engineer. The Framework Operations Engineer is responsible for the deployment, operation, maintenance, and continuous…
Added 8 mins ago
AI and Data Science Solution Engineer
MIT Lincoln Laboratory
Lexington, MA
The Homeland Sensors and Analytics group is seeking a researcher and engineer to build software solutions incorporating advanced algorithms, AI/ML, and data science models. This work will…
Added 9 mins ago
Process Controls Engineer/Process Controls Analyst
Marathon Petroleum Logistics Services LLC
Canonsburg, PA
…behavior, data quality, communications to remote assets, or RTU…
Added 9 mins ago
Software Engineer
SEI Global Services, Inc.
Oaks, PA
We are looking for a passionate Software Engineer, who is ready to work on the cutting edge of FinTech software solutions. You will be joining our team of experts to build the next…
Added 9 mins ago
Senior Mechanical Design Engineer - RCP Hardware (Onsite)
RTX
United States
…team is seeking a determined and passionate Senior Mechanical Engineer with emphasis in design and development of electronics hardware to support our Trusted Mission Processing and Open…
Added 9 mins ago
Principal Integration & Test Engineer - Secure Systems
RTX
United States
The High Assurance Devices Engineering team seeks a Principal Integration and Test lead with a passion for innovation and the drive to see new technology and capability matured into fielded…
Added 9 mins ago
SkillBridge: Systems Engineer (Onsite)
RTX
United States
Participate in requirements-based, robustness, integration, and ad hoc testing in an avionics laboratory.
Added 9 mins ago
Test Solutions Senior Electrical Engineer
RTX
United States
Troubleshoot and resolve issues throughout the design, development, and integration lifecycle - both independently and as part of a team.
Added 9 mins ago
Test Solutions Electrical Engineer II
RTX
United States
Troubleshoot and resolve issues throughout the design, development, and integration lifecycle - both independently and as part of a team.
Added 10 mins ago
Automation Engineer 4 (SDET/API automation)
Elavon, Inc.
Atlanta, GA
The Automation Engineer tests, creates, implements and desktop automations. Performs design, scripting, testing, implementing, maintaining and modifying automations of moderate complexity,…

ACV Auctions

Software Engineer IV, Viper Engineering

Buffalo, NY, United States

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Job details

Posting language: English
Posted: Nov 3, 2026

Original job description

If you are looking for a career at a dynamic company with a people-first mindset and a deep culture of growth and autonomy, ACV is the right place for you! Competitive compensation packages and learning and development opportunities, ACV has what you need to advance to the next level in your career. We will continue to raise the bar every day by investing in our people and technology to help our customers succeed. We hire people who share our passion, bring innovative ideas to the table, and enjoy a collaborative atmosphere.

Who we are:

ACV is a technology company that has revolutionized how dealers buy and sell cars online. We are transforming the automotive industry. ACV Auctions Inc. (ACV), has applied innovation and user-designed, data driven applications and solutions. We are building the most trusted and efficient digital marketplace with data solutions for sourcing, selling and managing used vehicles with transparency and comprehensive insights that were once unimaginable. We are disruptors of the industry and we want you to join us on our journey.

At ACV we focus on the Health, Physical, Financial, Social and Emotional Wellness of our Teammates and, to support this, we offer:

Multiple medical plans including a high deductible, low cost health plan
Company-sponsored (paid) Short-Term Disability, Long-Term Disability, and Life Insurance
Comprehensive optional benefits such as Dental, Vision, Supplemental Life/AD&D, Legal/ID Protection, and Accident and Critical Illness Insurance
Generous paid time off options, including uncapped vacation days, the greater of 3 paid sick days or in accordance with the applicable state or local paid sick leave law, 6 paid company holidays, 2 floating holidays, parental leave, bereavement leave, jury duty leave, voting leave, and other forms of paid leave as required by applicable law or regulation
Employee Stock Purchase Program with additional opportunities to earn stock in the Company
Retirement planning through the Company’s 401(k)

Who we are looking for:

ACV Auctions is looking for a Software Engineer to join our ACV Retail - Viper Teams and work on our SaaS Product. The position will focus on backend development & maintenance of Go Lang features & services hosted in AWS and utilizing Postgres and NOSQL.

The ideal candidate has a strong background and proven track record of architecting and designing enterprise applications in Go Lang and Node.JS, a penchant for high quality code, and a team minded approach to development.

What you will do:

Develop Services using modern language stacks like Go Lang , Postgres and NoSQL databases like mongo, SQL Server is nice to have.
Design and build complex systems that can scale rapidly with little maintenance, with a strong focus on reliability, performance, and operational excellence.
Design, build, and maintain Kafka-based event processing services, including consuming, deserializing, validating, persisting, and reacting to events to drive downstream workflows.
Design and implement effective service/product interfaces, including third-party API integrations and extensible handler patterns for new integrations.
Develop and maintain application data models, including writing and tuning complex SQL queries, optimizing indexes and performance, and designing schemas that reliably support application workflows
Own larger, complex initiatives end-to-end - from discovery and requirements through delivery and production support - driving alignment across engineering and business stakeholders.
Collaborate with software and production engineers to design scalable services, plan feature roll-out, and ensure high reliability and performance of our products.
Design and develop systems across all major departments including but not limited to; data, enterprise applications, and IT.
Lead technical design and architecture decisions across multiple systems/services, and help establish standards, patterns, and best practices.
Modify and develop custom software patterns as needed to solve highly complex software problems, and clearly document tradeoffs and long-term maintenance implications.
Be accountable for the overall performance of products and/or services within a defined area of focus, including diagnosing production issues and driving improvements.
Conduct code reviews, develop high-quality documentation, and build robust test suites for your products (unit/integration testing), ensuring maintainable and well-covered code.
Provide technical leadership through mentoring, coaching, and strong design/code review feedback, helping raise overall engineering quality.
Develop roadmaps and prioritize technical debt to effectively plan features and work, balancing delivery with long-term platform health.
Drive operational maturity (observability, incident response, on-call practices, reliability goals) and lead post-incident analysis with preventative action plans.
Handle multiple competing priorities in an agile, fast-paced environment while maintaining strong engineering discipline and delivery quality.
Perform additional duties as assigned.

What you will need:

Ability to read, write, speak and understand English.
BS degree in Computer Science or a related technical discipline or equivalent practical experience preferred
Minimum 8 years of experience building SaaS web applications using Go Lang and Node.JS and/or C# nice to have (12+ years desirable).
Strong experience maintaining and extending an existing codebase, adapting to pre-existing patterns and tracing the code’s path of execution across services.
Strong experience integrating 3rd-party APIs, implementing authentication & authorization and developing asynchronous data flows.
Strong experience publishing and consuming Kafka events, including designing event contracts, building reliable event-driven workflows, and handling ordering, retries, idempotency, and failure recovery.
Strong experience developing unit and integration-tests, and setting expectations for test strategy and coverage.
Strong experience integrating with cloud service (AWS), specifically: SQS, SNS, S3, ECS, EKS, Lambda, ElasticSearch, Docker / Containers.
Strong experience working with Docker and Kubernetes, including containerization, orchestration (k8s) and serverless deployment scenarios.
Strong experience with build & deployment automation (CI/CD) and release workflows.
Strong SQL programming and data-layer development experience (schema design, query performance, indexing, and data reliability patterns).
Minimum 8 years of experience working with continuous integration and build tools.
Expert in version control systems and branching/release strategies.
Expert in software engineering tooling and mentors and drives adoption for new tools and tooling standards.
Expert in release, builds, testing and the entirety of the SDLC.
Expert at debugging distributed systems using distributed tracing and other common tools; able to lead root-cause analysis and preventative improvements.
Top notch communication skills, including clearly communicating tradeoffs and aligning stakeholders.
Experience architecting and designing systems from the ground up, including making pragmatic decisions for scalability, reliability, and maintainability.
Experience working with a geographically dispersed team across multiple timezones, including leading technical alignment and delivery across teams.

Our Values

Trust & Transparency | People First | Positive Experiences | Calm Persistence | Never Settling

At ACV, we are committed to an inclusive culture in which every individual is welcomed and empowered to celebrate their true selves. We achieve this by fostering a work environment of acceptance and understanding that is free from discrimination. ACV is committed to being an equal opportunity employer regardless of sex, race, creed, color, religion, marital status, national origin, age, pregnancy, sexual orientation, gender, gender identity, gender expression, genetic information, disability, military status, status as a veteran, or any other protected characteristic. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires reasonable accommodation, please let us know.

For information on our collection and use of your personal information, please see our Privacy Notice.

No immigration or work visa sponsorship provided for this position.

Compensation: The compensation range for this position is listed in the "Job Details" section at the bottom of this posting. Please note that final compensation will be determined based upon the applicant's relevant experience, skill set, location, business needs, market demands, and other factors as permitted by law.

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