Research Engineer / Software Engineer (backend) Job at Xbow

Software Engineer / Senior Software Engineer

ARiA is looking for highly motivated self-starters and low-ego team players to j...

Location

United States , Madison; Alexandria; Seattle

Salary:

Not provided

Applied Research in Acoustics

Expiration Date

Until further notice

Requirements

Applicants selected for employment will be subject to a government security investigation and must meet eligibility requirements, including U.S. citizenship, for access to sensitive information
Bachelor’s degree or greater in a relevant technical field (Computer Science, Engineering, or equivalent)
Expertise designing and developing code using modern programming/scripting languages such as C, C++, Golang, JavaScript (and variants), and Python
Expertise developing and deploying software in an agile, continuous-integration (CI) framework across a variety of hardware platforms (desktop, server, cloud) using modern tools including containerization (e.g., Docker, Kubernetes)
Exceptional ability and desire to acquire new knowledge and skills to solve challenges
Ability to work independently but collaboratively
Ability to manage multiple projects in a fast-paced professional office environment
Ability to communicate technical solutions to colleagues and customers
Superior oral and written communications skills

Job Responsibility

Algorithm and software design, development, research, and testing to support prototypes and products
Supporting the transition of research algorithms to fielded systems
Preparing documentation to summarize design and status of prototypes and products
Assisting with in-field integration, testing, and support, with some local travel required
Developing an interface between a C++ underwater-acoustics physics engine and a video game for education and training
Developing a JavaScript backend for a scenario-design and management tool for players and integration of that system with a learning-management system (LMS)
Developing algorithms and software for a cloud-deployed cognitive tool that allows natural-language query of legal documents to answer user questions about government regulations and supporting the DevOps process for deployment of the prototype

Fulltime

Senior Backend Software Engineer

The Coaching team builds Highspot’s personalized, AI-enhanced coaching capabilit...

Location

Canada , Vancouver

Salary:

146000.00 - 178000.00 CAD / Year

Highspot

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or equivalent practical experience
5+ years of experience in back-end software development building and maintaining large-scale web applications
At least 3 years of experience working with object-oriented programming languages
Ruby and Python preferred
Experience architecting, building, and deploying mid-to-large scale web applications in a distributed environment
Strong understanding of API design, data modeling, and backend scalability
Experience integrating or working with AI/LLM platforms such as OpenAI, Anthropic (Claude), or Azure OpenAI
Familiarity with AI-powered development tools (e.g., Cursor, GitHub Copilot, Cody, etc.) and a demonstrated ability to incorporate them effectively into day-to-day workflows
Deep expertise in web performance, security, and reliability best practices
Proven ability to deconstruct complex technical problems and deliver elegant, maintainable solutions

Job Responsibility

Design, develop, and maintain high-quality, scalable, and user-centric backend systems using modern technologies
Architect and optimize backend infrastructure to power intelligent, AI-driven workflows and Agentic AI integrations
Build and maintain integrations with multiple large language models (LLMs) including ChatGPT, Claude, and other OpenAI and Microsoft models
Collaborate closely with AI/ML engineers to productionize agentic workflows and autonomous reasoning systems
Partner effectively with Product Management and UX Design to translate ideas and research into production-ready, AI-enhanced features
Leverage AI-assisted development tools such as Cursor, GitHub Copilot, and other code generation frameworks to accelerate development and improve code quality
Lead and mentor engineers through complex projects, emphasizing clean architecture, testing, and software craftsmanship
Drive backend infrastructure improvements that enhance reliability, observability, and performance
Collaborate cross-functionally to deliver differentiated customer value through AI and data-driven solutions
Troubleshoot and resolve critical production issues while contributing to internal documentation and best practices

What we offer

Comprehensive medical, dental, vision, disability, and life benefits
Group Retirement Savings Plan (RRSP) and matching employer contributions (DPSP) with immediate vesting
Flexible PTO
Generous Holiday Schedule + 5 Days for Annual Holiday Week
Quarterly Recharge Fridays (paid days off for mental health recharge)
Flexible work schedules
Access to Coaches and Therapists through Modern Health
2 Volunteer days per year
Monthly transportation allowance for employees that work in our Vancouver Hub location
Employees are eligible to receive stock options

Fulltime

Backend Software Engineer - Cloud Unit

In this role you will develop and maintain our management platforms (with over 2...

Location

Israel

Salary:

Not provided

Redis

Expiration Date

Until further notice

Requirements

4+ years of experience as a software engineer
Computer science degree or equivalent experience
Hands-on experience building, testing, deploying in production
Experience delivering high-quality software at scale in Java or other OOP languages
Deep understanding of micro-services architecture, including inter-service communication and strategies for resilience, observability, and scalability
Self-directed, ambitious, and eager to learn new skills and technologies
Fluent English speaker

Job Responsibility

Develop and maintain our management platforms (with over 200K users)
Be responsible for E2E development of essential customer-facing features of a SaaS product
Develop significant flows in the Cloud Redis management platform
Improve existing code and drive it to excellence, testability and CI
Develop new user-facing features and improve the user experience
Work closely with team members, product, DevOps, support, customer success, and R&D teams in Israel and abroad
Research new technologies and methodologies and integrate them into Redis platforms

What we offer

Competitive salaries and equity grants
Flexible working options
Frequent team celebrations and recreation events
Lunch stipends
Home internet & phone stipend
Gym membership for a healthy mind and body
Learning and development opportunities
Ability to influence a high-performance company on its way to IPO

Platform Software Engineer

We reshaped bookkeeping to fit the e-comm needs: with Finaloop, customers get fl...

Location

Israel , Tel Aviv

Salary:

Not provided

Finaloop

Expiration Date

Until further notice

Requirements

6+ years of experience in server-side development and distributed systems
Excellent knowledge of software and application design and architecture
Experience with different backend architectures and approaches
Experience in working with different types of data storage technologies and approaches (e.g. OLAP, OLTP, relational, document, etc.)
Proven track record of working efficiently in a fast-paced intensive startup environment
Strong communication and collaboration skills

Job Responsibility

The most fundamental components of our system, whether it is the cloud infrastructure or the different common software solutions used by developers
Developing system-wide solutions to be used by the product development teams
Developing scalable long-term solutions
Detecting opportunities to improve R&D efficiency and the reliability of our systems by improving and expanding the common infrastructure of our product
Researching new technologies and solutions with the potential to be incorporated into our product

Software Engineer, Data Infrastructure

The Data Infrastructure team at Figma builds and operates the foundational platf...

Location

United States , San Francisco; New York

Salary:

149000.00 - 350000.00 USD / Year

Figma

Expiration Date

Until further notice

Requirements

5+ years of Software Engineering experience, specifically in backend or infrastructure engineering
Experience designing and building distributed data infrastructure at scale
Strong expertise in batch and streaming data processing technologies such as Spark, Flink, Kafka, or Airflow/Dagster
A proven track record of impact-driven problem-solving in a fast-paced environment
A strong sense of engineering excellence, with a focus on high-quality, reliable, and performant systems
Excellent technical communication skills, with experience working across both technical and non-technical counterparts
Experience mentoring and supporting engineers, fostering a culture of learning and technical excellence

Job Responsibility

Design and build large-scale distributed data systems that power analytics, AI/ML, and business intelligence
Develop batch and streaming solutions to ensure data is reliable, efficient, and scalable across the company
Manage data ingestion, movement, and processing through core platforms like Snowflake, our ML Datalake, and real-time streaming systems
Improve data reliability, consistency, and performance, ensuring high-quality data for engineering, research, and business stakeholders
Collaborate with AI researchers, data scientists, product engineers, and business teams to understand data needs and build scalable solutions
Drive technical decisions and best practices for data ingestion, orchestration, processing, and storage

What we offer

equity
health, dental & vision
retirement with company contribution
parental leave & reproductive or family planning support
mental health & wellness benefits
generous PTO
company recharge days
a learning & development stipend
a work from home stipend
cell phone reimbursement

Fulltime

Senior Software Engineer

We are looking for a Senior Software Engineer for our Solana DEX aggregation tea...

Location

Salary:

95000.00 - 230000.00 USD / Year

0x

Expiration Date

Until further notice

Requirements

A software engineer with 7+ years of experience solving complex distributed computing problems
a generalist who can design and build a system from the ground up which could include relational or key value data stores, distributed event-driven architectures, cloud-based deployment (preferably AWS), external facing REST/HTTP APIs
have led small to medium-sized projects as a tech lead with 2-4 other engineers
can take big problems, research the current state of the art, and apply technology appropriately knowing how to take proper tradeoffs
are driven by shipping code of high quality with a focus on providing maximum user and business value
has been part of teams that maintain business critical, high volume, customer-facing systems where performance, scalability, and reliability matter
up to date on emerging threats and trends in application security
has a passion for DeFi and how it can improve people’s lives
knowledge and passion for decentralized finance and the 0x mission
exhibit our core values: do the right thing, consistently ship, and focus on long-term impact

Job Responsibility

Be an individual contributor on projects as well as lead technical projects of moderate to high complexity
offer valuable insights as a peer when reviewing designs and performing code reviews
design, build and maintain systems like blockchain event streaming and indexing services, leading edge DEX routing algorithms and models, and AMM liquidity intelligence services
create high quality, secure, clean code
launch new features on a regular basis
improve the way we build and deliver software
coach and mentor other engineers and generally up-level the team
empathize with our customers and users

What we offer

Base salary range of USD $95,000-$230,000
equity
ZRX tokens
comprehensive insurance (medical/dental/vision/life/disability) for U.S.-based employees — 100% of base plan covered for you and dependents
401k and FSA for U.S.-based employees
monthly mobile phone bill, wellness, and pre-tax transportation expense
covered mental health benefits (included professional therapy sessions)
a supportive remote environment
lunch reimbursement for all employees across the globe
stipend for your ideal remote / WFH set-up: headphones, and any other work gear you may need

Fulltime

Senior Software Engineer

We seek an experienced, collaborative, and resourceful Senior Backend Engineer t...

Location

United States , Mountain View

Salary:

207000.00 - 253000.00 USD / Year

EarnIn

Expiration Date

Until further notice

Requirements

4+ years of software engineering experience, with a track record of delivering scalable backend solutions
Bachelor's, Master’s, or PhD degree in computer science, computer engineering, or a related technical discipline, or equivalent industry experience
Experience working in microservices architectures, designing and building distributed systems
Proficiency in at least one modern backend programming language, with the ability to adapt to multiple technologies (we work with Java, Kotlin, C#, and Python)
Experience in fintech or building 0-to-1 products, focusing on system scalability and flexibility
Experience designing architectures that enable rapid iteration, either from early-stage product development or within Research & Development teams
Hands-on experience with continuous integration and deployment tools, ensuring seamless and efficient development workflows
Experience in functional and integration testing, ensuring backend services maintain high reliability
Excellent written and verbal communication skills, with the ability to collaborate effectively across teams

Job Responsibility

Design and implement new features, breaking down complex problems into elegant, scalable, and maintainable solutions
Architect and maintain robust microservices integrations, leveraging REST/gRPC APIs and event-driven messaging patterns (events/queues) to build flexible and extensible systems
Collaborate with Product teams to define technical solutions in ambiguous environments, ensuring that backend architectures support rapid product iteration and expansion
Ensure scalability and performance by developing services designed to handle high-throughput and real-time transaction processing
Proactively identify and mitigate risks, ensuring our backend systems remain secure, reliable, and resilient
Mentor and guide engineers, providing technical leadership through design reviews, code reviews, and architectural guidance
Develop test automation to enable continuous integration and deployment, maintaining high development velocity
Debug and troubleshoot production issues, working across multiple stack levels to maintain service stability
Work closely with cross-functional teams, including data science, product, analytics, and marketing, to ensure backend services align with business objectives

What we offer

equity and benefits

Fulltime

Federal Senior Software Engineer

As Virtru continues to grow rapidly worldwide, including in the U.S. public sect...

Location

United States , Washington DC

Salary:

190000.00 - 225000.00 USD / Year

Virtru

Expiration Date

Until further notice

Requirements

Active U.S. TS/SCI Clearance required - ideally with CI poly or willingness to sit for one
5+ years Experience with Go or Java and backend development
Experience developing software in or supporting Federal Government customer environments, with a focus on DoD mission areas
Experience integrating software solutions with other business systems, for example: data warehousing, BI, CRM, ERP, or analytics platforms
Ability to decompose complicated technical concepts into manageable parts and effectively communicate those parts in a manner that is digestible for peers as well as management
Self-starter and system-level thinker who proactively scans for and communicates problems with technology, investigates potential causes, and proposes solutions/next steps
Strong communication skills
Project management skills, including experience working on matrixed teams
Expert in building relationships, listening and managing time
A passion to serve the customer, which has played out in a prior customer-facing role like consulting or support, ideally sales engineering

Job Responsibility

Deliver efficient and professional solutions for clients to maximize value from Virtru’s products in Go or Java
Maintain awareness and knowledge of Virtru products, specifically APIs and SDKs
Able to develop standalone, modular, and code libraries to enable clients adoption of Virtru products
Engage with multiple business units including software engineering, operations, product management, and business stakeholders
Maintain a broad and deep technical understanding of the Virtru product line and the underlying technologies and protocols
Understand Virtru’s engineering strategy and business goals, and use this context to inform your work with VGS customers
Stay up-to-date on industry trends through self-study, research, and online courses

What we offer

A Flexible PTO policy — we strongly encourage you to take time off (in addition to 14 holidays)
A $1,500 annual Learning & Development Stipend
Frequent company-sponsored team celebrations
Access to an Employee Assistance Program
Access to Headspace, a mental health app tailored to your specific needs
A flat 3% contribution to your retirement account
A high degree of flexibility
Competitive compensation
Generous parental, medical, and bereavement policies
Uncapped commissions for Sales roles

Fulltime

Research Engineer / Software Engineer (backend)

Xbow

Location:
United States

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 21, 2026

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