Software Engineer - Backend

Join Our Mission

Nexleaf Analytics is at the forefront of technological innovation, committed to safeguarding public health in low-and middle-income countries. Our cutting-edge solutions, including remote-temperature monitoring for vaccine cold-chain equipment, are operational in over 25 countries, fundamentally supporting vital health infrastructure.

Nexleaf is poised to expand its impact significantly in 2025 and beyond. Data on the performance and utilization of medical equipment is becoming increasingly available, but countries are struggling to integrate and apply this data for action. Nexleaf envisions a ‘Connected Clinic’ – a transformative concept aimed at fostering transparency, accountability, and enhanced health outcomes through the strategic use of data. We believe this approach will shape health services in a way that prioritizes local needs and sustainability, moving beyond donor-driven models to ones that truly...

Career Renew is recruiting for one of its clients a Senior Software Engineer (Backend) - this is a fully-remote role, but candidates need to be based in the US in the PST-MST timezones.

This project is for those who lead with initiative and seek to challenge themselves and thrive on curiosity.

We operate with a lean, highly motivated team who revel in the responsibility that comes with autonomy. We have a flat organizational structure, the people making decisions are also the ones implementing them. We are driven by ambitious goals and a strong sense of urgency. Leadership is given to those who show initiative, consistently deliver excellence and bring the best out of those around them. Join us if you want to set the tone for a fair and equitable internet.

The Role.

We are looking for a Senior Software Engineer (Backend) who is experienced and brings deep expertise in backend development. You will join a small, talented...

Seeq creates cutting-edge data analytics software for industrial process data, serving sectors like pharmaceuticals, energy, and manufacturing. Our core product is a robust calculation engine capable of executing advanced math and machine learning algorithms on streaming time-series data. By leveraging generative AI, we enhance usability and accelerate outcomes for our users.

As a fully remote company, Seeq fosters collaboration using tools like Zoom, Slack, and our own Qube Virtual Office. With a focus on agile principles, our team of talented engineers is dedicated to building products that exceed customer expectations while nurturing a supportive, collaborative environment.

What You Will Do 

As a Staff Software Engineer at Seeq, you will play a critical role in shaping the technical direction and architecture of our software platform. You will lead the design and development of complex software systems, working closely with...

SAGA Diagnostics is looking for a Staff Software Engineer, Backend to join its Software Engineering team and take ownership over the design of the laboratory software backend system. This team is responsible for delivering the product functionality needed to support the laboratory and to integrate with enterprise systems to support commercial and partnering operations. This role will be responsible for defining how SAGA’s laboratory, clinical, and customer data is architected to effectively support operations, reporting, and research as the organization scales up.

The ideal candidate would have experience translating complex laboratory workflows and commercial operations into a consistent and robust data model, and quickly implementing that data model into high quality Python code with the appropriate interfaces and constraints. This role requires someone with strong technical skills around database management and API design and who can interface effectively with...

Ord.io is building the all-in-one platform for Web3 on Bitcoin. Our product offers a seamless, unified experience for exploring and trading Bitcoin memecoins and NFTs, tracking portfolios, and socializing in token-gated group chats. By prioritizing user safety and ease of use, we have gained significant traction and raised a $2M pre-seed round in April 2024. We are a fully remote team.

Responsibilities

• Lead initiatives to launch new products and infrastructure
• Maintain and improve existing systems
• Strengthen and evolve our culture of engineering excellence
• Interface directly with users and help shape the product direction

Requirements

• Bachelor's degree in Computer Science or a related field, or equivalent practical experience
• 5+ years full-time software engineering experience
• Proficient with Node.js, MySQL, Redis, TypeScript, RESTful APIs, AWS, CI/CD
• Strong...

The basics

• The stack: Postgres + Clickhouse, Node.js/Express.js, React. Currently running on Heroku, eventually AWS
• The product: We're building the ultimate suite for Finance teams to manage everything from billing to revenue recognition to subscription metrics, and much more
• The way we work:
• This is a remote job - work anywhere you want, and in any timezone on earth (or outside earth, whatever).
• We are an asynchronous team - we don't do scheduled meetings, and rely on each team member to pick their own schedule and to communicate clearly in writing and with recorded videos. Hear from our co-founder Michelle Lee on what it's like to work asynchronously.
• We operate completely autonomously - no one will tell you what to do, we'll just tell you the goals and you will figure out how to work towards them with the rest of the...

Headquartered in the United States, TP-Link Systems Inc. is a global provider of reliable networking devices and smart home products, consistently ranked as the world’s top provider of Wi-Fi devices. The company is committed to delivering innovative products that enhance people’s lives through faster, more reliable connectivity. With a commitment to excellence, TP-Link serves customers in over 170 countries and continues to grow its global footprint.

We believe technology changes the world for the better! At TP-Link Systems Inc, we are committed to crafting dependable, high-performance products to connect users worldwide with the wonders of technology. 

Embracing professionalism, innovation, excellence, and simplicity, we aim to assist our clients in achieving remarkable global performance and enable consumers to enjoy a seamless, effortless lifestyle. 

Overview:

Do you thrive in building robust, scalable backend systems for the...

We're a venture-backed early stage startup in Chicago exploring how AI can transform people's experiences. 

Although we’re still pre-market, we’re building products to help people see themselves in the world around them. We believe the following:

• That humans are unique and deserve to be heard and listened to
• That where folks choose to go - or stay, or eat, or work, or play, you get the idea - ought to be a reflection of who they are as a person
• That new advancements in technology can make our collective experiences more human and personal, not less

If you share any of our beliefs - or our love for people, maps, recommendations, and listening - then we’d love to talk to you!

The Role

We're looking for a Senior Software Engineer specializing in Kotlin and Springboot to join our small team. You'll help develop and maintain our API and integrate with our AI layer, which is central to our AI...

Responsibilities:

• Create innovative monetization products that drive engagement and business outcomes.
• Develop highly scalable services that powers new ad products for billions of requests. Design systems that will optimize monetization efficiency with product engineering and state-of-the-art machine learning technologies.
• Implement new ad solutions that will continuously protect the user experiences.
• Collaborate with strategy team, product managers, and other key stakeholders to define products and drive initiatives from engineering perspective.
• Contribute to the success of a rapidly growing and evolving organization with speediness and quality.

QualificationsMinimum Qualifications:

• BS degree in Computer Science, Computer Engineering or other relevant majors with 7+ years of BIG HIGH TECH (E-Commerce) work experience.
• Excellent programming, debugging, and...

Who We Are

Renew Home is on a mission to change how we power the world by making it easier for customers to save energy and money at home as part of the largest residential virtual power plant in North America.

We partner with industry-leading brands to better manage residential energy for users by prioritizing efficiency, savings, and comfort — and cleaner energy for everyone.

We are an Equal Opportunity employer striving to create a diverse, equitable, and inclusive work environment where everyone feels that they have a voice that is heard.

We strongly encourage candidates to check out our website at www.renewhome.com  to learn more about the world-changing work we are doing.

What You Will Do

• Design, develop and build backend services to support a wide variety of Renew Home customer experiences and 3P device integrations to enable energy saving automation
• Architect systems to handle...

SchooLinks is a venture-backed ed-tech company that is changing how students explore and pursue their post-high school goals. We have a suite of over 80 tools for students and school staff including college application management, course planning, financial situations, personality assessments, college profiles, and many others.

We're looking for a highly experienced Django back-end engineer who will write high-quality code, make sound and scalable architectural decisions, and help grow our team by bringing and evangelizing best practices.

Presently, we're only looking for US-based engineers. We do not have the ability to sponsor H1-B Visas.
Additionally, please note this role is for highly experienced software engineers with deep Django and Django Rest Framework (DRF) experience.

What you'll do:

• Ship clean, readable, and maintainable backend Django code
• Contribute and...

Are you ready to work on a product impacting millions of people? At TrainingPeaks our user base of athletes and coaches is growing rapidly. To meet their demands TrainingPeaks needs innovators, collaborators, and excellent engineers like you. Together we’re building the world’s best training platform. Join TrainingPeaks today.

You may know us as TrainingPeaks, MakeMusic, TrainHeroic and Alfred Music. All these brands are under the Peaksware umbrella. TrainingPeaks develops software for coaches and athletes to track, analyze and plan endurance training. TrainHeroic develops software solutions for the strength and conditioning needs of coaches and athletes. MakeMusic develops software to transform how music is composed, taught, learned and performed. Alfred Music creates and publishes educational music to help teachers, students, professionals and hobbyists experience the joy of making music.

We would love to have you join our ever-growing team! All applicants will...

Who We Are!

Within3 is the world leader in insights management for life science organizations. Our platform identifies the right people, actively engages them, and delivers answers that drive agile, informed decision-making.

We work hard to create a dynamic, collaborative culture where innovation is encouraged. Even as a globally distributed organization, we strive to create and maintain connections that not only make work fun but make our work better!

The Challenge

As a Senior Python Software Engineer at Within3, you will lead the development of advanced insights capabilities and support public data integration projects. Your role will involve data engineering, processing pipelines, deployment, performance evaluations, and collaboration with data scientists on algorithms and models.

The ideal candidate will be curious, compassionate, possess a strong foundation in software engineering,...

Moesif helps forward-thinking B2B, AI and API products companies like PandaDoc, NextHealth, you.com, UPS, and Deloitte understand their customer API usage, Monetization, Billing and deliver great API products. We're a tight-knit team, growing quickly with a healthy inbound funnel and generating revenue. Help fellow product managers and engineers better leverage data at leading hyper-growth startups and Fortune 500 companies.

At Moesif, we think beyond the conventional. We dream big. Moesif believes there is a better way to approach API development, monitoring and analytics. And that is to empower companies to make better decisions and faster discoveries by unlocking the power of API analytics. Our technology and people change lives by driving advancements in API monitoring, monetization and analytics, and more. If that inspires you, join us.

Life at Moesif

Life at Moesif is about working with teammates who are deeply passionate about what we do...

Company Overview

Restore is the leading retail provider of alternative health and wellness modalities in the United States. Our goal is to make Hyper Wellness widely accessible, affordable, and fun. This means helping people from all walks of life feel better and perform at a higher level so they can do more of what they love in life. Inc. 5000 ranks Restore as the 17th fastest growing company in Texas, and the #1 hottest franchise in America.

Job Summary

Restore is looking for an experienced Software Engineer to play a huge role in building and delivering the first generation of Hyper Wellness® software. You will be responsible for the systems that will change millions of people’s lives, outlook on health, and healthspan. Restore is a category creator and we are looking for engineers that are obsessed with the consumer experience, mission-driven, and love the challenge of creating a world-changing suite of Hyper Wellness®...

Responsibilities:

• Create innovative monetization products that drive engagement and business outcomes.
• Develop highly scalable services that powers new ad products for billions of requests. Design systems that will optimize monetization efficiency with product engineering and state-of-the-art machine learning technologies.
• Implement new ad solutions that will continuously protect the user experiences.
• Collaborate with strategy team, product managers, and other key stakeholders to define products and drive initiatives from engineering perspective.
• Contribute to the success of a rapidly growing and evolving organization with speediness and quality.

QualificationsMinimum Qualifications:

• BS degree in Computer Science, Computer Engineering or other relevant majors with 7+ years of work experience.
• Excellent programming, debugging, and optimization skills in one or...

Global e-commerce is content e-commerce business with international short video product as the carrier. It is committed to becoming the first choice for users to discover and purchase good products with affordable prices.

Global e-commerce business team hopes to provide users with more tailored, active and efficient consumption experience, enabling merchants to receive stable and reliable platform services in different scenarios such as live e-commerce, short video content e-commerce, so as to make more affordable and high-quality products sell easily and a better life within reach.

Responsibilities

- Develop efficient, highly scalable and secured services to build/integrate e-Commerce solutions for Global e-commerce Seller Platform

- Optimize backend systems and services for data security, modularity, computational efficiency and scalability.

- Manage project priorities, deadlines, and deliverables

- Collaborate with PM and R&D teams...

We are seeking a highly motivated and experienced backend Senior Software Engineer (Java/MySQL/AWS), to join our Keeper development team. The ideal candidate will be a positive and collaborative team player with a strong background in backend development. We are looking for someone to grow with our team in a fresh, fun, and innovative environment. This is a 100% remote position with an opportunity to work a hybrid schedule for candidates based in the El Dorado Hills, CA or Chicago, IL metro area!

Keeper’s cybersecurity software is trusted by millions of people and thousands of organizations, globally. Keeper is published in 21 languages and is sold in over 120 countries. Join one of the fastest-growing cybersecurity companies and be responsible for expanding and architecting Keeper's backend projects in the AWS cloud with the latest technology and tools!

About Keeper

Keeper Security is transforming cybersecurity for people and organizations around...

Who We Are

Renew Home is on a mission to change how we power the world by making it easier for customers to save energy and money at home as part of the largest residential virtual power plant in North America.

We partner with industry-leading brands to better manage residential energy for users by prioritizing efficiency, savings, and comfort — and cleaner energy for everyone.

We are an Equal Opportunity employer striving to create a diverse, equitable, and inclusive work environment where everyone feels that they have a voice that is heard.

We strongly encourage candidates to check out our website at www.renewhome.com  to learn more about the world-changing work we are doing.

What You Will Do

• Design, develop and build backend services that integrate with energy markets to control bidding and dispatch of energy saving events.
• Rearchitect systems to handle users at 5x - 10x...

The Staff Software Engineer is a seasoned professional with at least 10 years of experience in software development. Specialized in finance or crypto within the technology industry, this individual excels in leading problem-solving, driving coding excellence, ensuring comprehensive testing, and adopting scalable and secure software implementations for solutions in areas like trading, swapping, regulatory compliance, fraud detection, automation, and more.

Who we are

Paxful is a people-powered marketplace for moving money from anywhere, to anyone. With over 12 million users across 170+ countries, Paxful offers access to crypto and local currencies using more than 450 payment methods.

Requirements

• Past experience within the fintech sector, or understanding of financial regulations, compliance, and security best practices.
• Excellent analytical, critical thinking, and problem-solving skills in financial...

The Staff Software Engineer is a seasoned professional with at least 10 years of experience in software development. Specialized in finance or crypto within the technology industry, this individual excels in leading problem-solving, driving coding excellence, ensuring comprehensive testing, and adopting scalable and secure software implementations for solutions in areas like trading, swapping, regulatory compliance, fraud detection, automation, and more.

Who we are

Paxful is a people-powered marketplace for moving money from anywhere, to anyone. With over 12 million users across 170+ countries, Paxful offers access to crypto and local currencies using more than 450 payment methods.

Requirements

• Past experience within the fintech sector, or understanding of financial regulations, compliance, and security best practices.
• Excellent analytical, critical thinking, and problem-solving skills in financial...

Career Renew is recruiting for one of its clients a Senior Software Engineer (Backend) - candidates need to be based in US timezones.

Your day-to-day:

• Develop new features and software improvements
• Test, deploy and debug backend API services
• Write clear, tested, documented code
• Create and review technical design, code, and documentation
• Contribute to our infrastructure which includes mobile, desktop and server-side applications

Requirements

Based in US timezones

Experience large scalable systems

Experience with some or all of PostgreSQL, Redis Clusters, Go, Python, Kubernetes, AWS (EKS, Amplify, Elasticache, RDS)

Very strong backend experience with NodeJS

Benefits

• Competitive salary
• Early-stage equity
• Flexible work environment
• Unlimited PTO
• Opportunities...

Are you interested in seeing your code positively impact countless patients' lives every day by building the future of healthcare? Are you hopeful about what data and medical research can do to improve medicine?

We are searching for a Back-End Software Engineer that has experience working with large production applications. As a Back-End Engineer, you will be a critical member of our engineering team, revamping our existing software experience and helping build our future software from the ground up using modern technologies.

About Us

PatientIQ is a fast-growing health tech company empowering healthcare providers, industry, researchers, and others to collaborate on the mission to improve patient outcomes. PatientIQ is headquartered in Chicago and backed by top-tier west coast venture capital, major hospital investors, and others.

What You'll Work On

• PatientIQ Network: build the largest...

What we're looking for

We're seeking a talented individual who is a true self-starter. You'll play a vital role in all major technical decisions, comfortable building new systems from scratch during a period of rapid growth.

Requirements

The Role:

• Lead the design, architecture, and implementation of backend systems.
• Drive advancements in our backend architecture to anticipate growth.
• Take technical ownership of features, driving product progression.
• Collaborate closely with the product team to drive impactful changes.
• Present cross-team launches and updates at company-wide check-ins.

You Should be:

• Action-oriented. You thrive on delivering results.
• Backend-focused. You excel in building backend services over frontend components.
• 3+ years of problem-solving experience.
• Proficient in building...

Job Details: 

• Title: Sr Backend Software Engineer
• Salary: $170K - $240K
• Requirements: 5+ years backend, including Kotlin, Java, Go, or C#
• Location: Remote

Our client is seeking an experienced Sr. Backend Software Engineer to join their growing team. In this role, you'll play a crucial role in building and maintaining the backend systems that power live service games. You'll work closely with designers, game programmers, and product managers to bring their visions to life.

Responsibilities: 

• Design, develop, and implement robust, scalable, and secure backend game systems.
• Focus on areas such as player accounts, matchmaking, leaderboards, achievements, in-game economies, and anti-cheat measures.
• Champion best practices for live operations, ensuring smooth launches, ongoing content updates, and seamless player experiences.
...

We are seeking a highly skilled and experienced Senior Software Engineer, Backend to join our growing team. In this role, you will be responsible for designing, developing, and maintaining the backend infrastructure of our software products. As a Senior Software Engineer, Backend, you will have the opportunity to work on complex projects, collaborate with cross-functional teams, and contribute to the success of our company.

Responsibilities

• Design and implement scalable and secure backend solutions
• Collaborate with cross-functional teams, including product managers, designers, and front-end developers, to gather requirements and develop new features.
• Develop, test, and maintain APIs and other backend services.
• Optimize and improve the performance and reliability of our backend systems.
• Debug and resolve issues reported by customers and provide timely solutions.
• Participate in code reviews to ensure code quality...

Duro is on a mission to fundamentally change the future of hardware development, helping teams develop 3x faster and save 25% in supply chain costs. Our cutting-edge Product Lifecycle Management (PLM) platform helps hardware teams move with agility, make timely decisions, and build disruptive products. 

Backed by top investors, Duro is a forward-thinking group of innovators where collaboration and open communication are the norm. We're all about advancing boundaries, learning from each other, and making a real impact on the future. We’re headquartered in Los Angeles and are looking to grow our team.

We're searching for a passionate Senior Software Engineer to become part of our innovative engineering team. Join us as we forge ahead in creating groundbreaking products that challenge the status quo!

This is a Hybrid position in Los Angeles (Silverlake), not a remote position. A successful...

Duro is on a mission to fundamentally change the future of hardware development, helping teams develop 3x faster and save 25% in supply chain costs. Our cutting-edge Product Lifecycle Management (PLM) platform helps hardware teams move with agility, make timely decisions, and build disruptive products. 

Backed by top investors, Duro is a forward-thinking group of innovators where collaboration and open communication are the norm. We're all about advancing boundaries, learning from each other, and making a real impact on the future. We’re headquartered in Los Angeles and are looking to grow our team.

We're searching for a passionate Software Engineer to become part of our innovative engineering team. Join us as we forge ahead in creating groundbreaking products that challenge the status quo!

This is a Hybrid position in Los Angeles (Silverlake), not a remote position. A successful candidate...

Job Details: 

• Title: Sr Backend Software Engineer
• Salary: $170K - $240K
• Requirements: 5+ years backend, including Kotlin, Java, Go, or C#
• Location: Remote

Our client is seeking an experienced Sr. Backend Software Engineer to join their growing team. In this role, you'll play a crucial role in building and maintaining the backend systems that power live service games. You'll work closely with designers, game programmers, and product managers to bring their visions to life.

Responsibilities: 

• Design, develop, and implement robust, scalable, and secure backend game systems.
• Focus on areas such as player accounts, matchmaking, leaderboards, achievements, in-game economies, and anti-cheat measures.
• Champion best practices for live operations, ensuring smooth launches, ongoing content updates, and seamless player experiences.
...