Backend Developer

We are looking for a Senior Software Engineer with 5+ years of experience in modern C++ development, paired with strong hands-on skills in AWS, Node.js, data processing, and containerized service development. The ideal candidate will be responsible for building scalable systems, maintaining complex data pipelines, and modernizing applications through cloud-native approaches and automation.

This is a high-impact role where engineering depth meets platform evolution, ideal for someone who thrives in system-level thinking, data-driven applications, and full-stack delivery.

Key Responsibilities:

• Design, build, and maintain high-performance systems using modern C++
• Develop and deploy scalable backend services using Node.js and manage dependencies via NPM
• Architect and implement containerized services using Docker, with orchestration via Kubernetes or ECS
• Build, monitor, and maintain data ingestion, transformation, and enrichment pipelines
• Utilize AWS services (Lambda, EC2, S3, CloudWatch, Step Functions) to deliver reliable cloud-native solutions
• Implement and maintain modern CI/CD pipelines, ensuring seamless integration, testing, and delivery
• Participate in system design, peer code reviews, and performance tuning

Required Skills:

• 5+ years of software development experience, with strong command over modern C++
• Solid experience with Node.js, JavaScript, and NPM for backend development
• Deep understanding of cloud platforms (preferably AWS) and hands-on experience in deploying and managing applications in the cloud
• Proficient in building and scaling data processing workflows and working with structured/unstructured data
• Strong hands-on experience with Docker, container orchestration, and microservices architecture
• Working knowledge of CI/CD practices, Git, and build/release tools
• Strong problem-solving, debugging, and cross-functional collaboration skills

Preferred / Nice to Have:

• Exposure to data streaming frameworks (Kafka, Spark, etc.)
• Familiarity with monitoring and observability tools (e.g., Prometheus, Grafana, ELK stack)
• Background in performance profiling, secure coding, or legacy modernization
• Ability to work in agile environments and lead small technical initiatives

ABOUT UNRAVEL CARBON

Unravel Carbon enables companies to assess their carbon footprint by tracking their digital financial footprint with its proprietary carbon emission factor model; making it easy, fast and convenient to become climate positive.

We aim to accelerate the participation of all companies, big and small, in the global fight against climate change. And we want to do it the 21st century way—autonomous, painless, and beautiful.

Unravel Carbon consists of a team of software engineers, data scientists, founders and climate experts with a passion to solve the world’s most pressing issue—climate change. Collectively, our leadership team has launched and invested in multiple companies, and are now combining their experience and knowledge here at Unravel.

We are backed by some of the world’s best funds and investors and are part of Y Combinator’s W22 batch.

Unravel Carbon was founded in 2021 with headquarters in Singapore.

Unravel Carbon on LinkedIn: https://www.linkedin.com/company/unravelcarbon/

ABOUT THE ROLE

We are looking for early members of our India team. You will be part of the team that establishes our India product development team. We are looking for candidates who have high potential, are excited about tackling the climate change problem and are excited to grow in a high-growth environment while working with the Singapore HQ.

A junior/mid-level backend software engineer. Must be comfortable to work in a small development team and have the initiative to work alone on smaller problem sets. Must be passionate about climate-tech for a better future.

• Build backend server applications using Flask/DJango framework
• Collaborate with the data team to integrate data pipelines into our backend system.
• Collaborate with the front end team.
• Analyze processes and code to troubleshoot problems and identify areas of improvement.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
• Take lead on projects, as needed.

ABOUT YOU

• Willingness to learn, be a self-starter, and thrive in uncertainty; you would be one of the first few employees at an early stage startup, be prepared to venture into unknown territory, collaborate and learn
• Meticulous and detail-oriented
• Required skills:
• Python Backend Development Frameworks (Flask, Django). Backend development in other languages/frameworks can be considered too
• NoSQL databases (MongoDB)
• SQL databases (MySQL, Postgres, DuckDB)
• Running/managing Linux servers on Cloud services (AWS/GCS/Azure)
• Optional skills:
• Front End Web development (ReactJS)
• Python data science tools (Pandas, Numpy, Scipy)
• Python NLP tools

YOUR WORK STYLE

• An understanding of agile product development
• Self exploration and self learning of the latest technologies and applying them to solving the technical challenges our team face
• Self­-starter (proactive and independent) with an ability to prioritize different assignments and tasks to meet deadlines
• Comfortable working in a collaborative environment
• Eager to think outside of the box and creatively problem-solve

YOUR PREFERRED BACKGROUND

A Bachelor’s Degree in Computer Science, IT, or related discipline AND 1+ years working experience in the IT industry. 

WHAT WE OFFER YOU

We offer an exciting challenge for a purpose-driven person who thoroughly enjoys learning and takes up responsibilities in a multi-cultural, primarily virtual, and pioneering organization.  

We nurture a culture that allows you to thrive, where your skills can be honed and your ideas will be heard, and where collaboration across teams and with global partners is the default.

Hey there! We are seeking a highly skilled and passionate Ruby on Rails developer to join our team. As a key member of our development team, you will be responsible for enhancing our product offerings and ensuring smooth operations and scalability of our existing infrastructure. If you have a strong foundation in RoR development, possess a knack for writing clean code, and are excited about building and scaling innovative products, we would love to hear from you.

To provide you with a brief overview of the job role, we are sharing the specific requirements that we expect from you. Please have a look:

Requirements:

• Proven experience working as a Ruby on Rails developer in a production environment.
• Strong knowledge of Ruby, Ruby on Rails framework, and PostgreSQL.
• Extensive experience with hosting and maintaining production applications on AWS, Google Cloud Platform (GCP) services.
• Solid understanding of real-time communication and experience with socket programming.
• Experience in implementing AI in real-world applications is a solid plus.
• Experience in front-end technologies, particularly Vue.js would be a plus
• Strong problem-solving skills and ability to analyze and debug complex issues.
• Experience leading a development team or mentoring junior developers.
• Excellent communication and collaboration skills, with the ability to work effectively in a team-oriented environment.
• Self-motivated and able to work independently with minimal supervision.

Responsibilities:

• Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
• Architect and implement scalable solutions using RoR, PostgreSQL, and AWS.
• Develop and maintain APIs, web services, and integrations with various third-party systems.
• Lead and collaborate with a team of developers to design, develop, and maintain high-quality scalable applications.
• Recruit and provide technical leadership and guidance to developers.
• Optimise and ensure the reliability of the backend infrastructure.
• Optimise application performance and ensure the scalability and security of the software.
• Stay up-to-date and passionate about the latest technologies, trends, and best practices in software development.
• Optimize the monthly spending on cloud infrastructure.

About Foaps:

We are an innovative startup empowering restaurants to excel in the online food delivery business. Our platform aggregates all online food delivery orders into a single consolidated dashboard, improving the efficiency of order management and aiding restaurant growth. With a strong presence in the Indian market and partnerships with major delivery services like Zomato, Swiggy, Dunzo, Thrive, and magicpin, we are making a significant impact in the restaurant industry. Backed by flat6labs Bahrain, our mission is to revolutionize how restaurants conduct their online food delivery business.

For more details visit our website www.foaps.co

Why Join Foaps?:

At Foaps, we offer compelling reasons for you to join our team:

• Collaborate directly with the founders: As a part of our team, you'll have the opportunity to work closely with the founders and actively participate in the decision-making processes of our early-stage startup. Your contributions will have a direct impact on shaping the direction and success of our business.

• Stock options: We believe in recognizing and rewarding the hard work and dedication of our team members. As a valued team member, you will be eligible for stock options based on your performance and contributions. This allows you to share in the growth and success of the company.

• Performance-based salary increments: We value your efforts and believe in fostering a culture of growth. Individuals’ performance, dedication, contribution, and achievements will be acknowledged and rewarded accordingly.

• Team-oriented environment: At Foaps, we prioritize collaboration and teamwork. Our company culture is not based on hierarchy but rather on creating an environment that fits the needs and strengths of our team. We foster a supportive and inclusive atmosphere where everyone's voice is heard and contributions are valued.

• Make a difference in the Restaurant industry: Foaps is revolutionizing the online food delivery business, making it easier for restaurants to do online delivery business. By joining our team, you'll have the opportunity to contribute to this transformation and play a vital role in shaping the future of the restaurant industry.

Interested? Join us and become a vital part of our startup journey. Together, we'll build an exciting future and make a real impact.

Developer – Golang 

Responsibilities: 

• An individual contributor who will be part of the Software R&D team working on the following areas 

• Backend work in Golang, Micro services architecture 

• Work with internal team and customers to deliver solutions that will meet the customer needs with respect to the performance security, scalability and functionality. 

• Implementation of API and authentication methods using JWT 

• Writing scalable, robust, testable, efficient, and easily maintainable code 

• Translating software requirements into stable, working, high performance software 

Skills 

• 2-5 years of experience in Go programming language 

• Strong experience in working with Goroutine and channel patterns 

• Experience in Go framework for DB, JSON, Sockets, Web Frameworks and tools 

• Knowledge of logging and configuration packages like Zap, Viper 

• Experience in writing unit tests for Golang code 

• Familiarity with code versioning tools such as Git or Azure Repo 

• Should have knowledge of MySQL, PostgreSQL, or any RDBMS 

• Good knowledge of Linux / Ubuntu 

Primary Responsibilities:

• Principal Engineers  are responsible for driving Technology and Engineering Best Practices in their respective teams.
• They should demonstrate a high level of ownership and accountability for their product and software systems.
• They are expected to go above and beyond their role by contributing in tools, processes and practices which bring operational efficiency and are aligned with business goals.
• They are expected to actively participate in development along with team members and create systems and modules which represent a working model of engineering best practices.
• They are expected to participate in code reviews, design reviews, architecture discussions.
• They are responsible for the Engineering metrics/health of their systems including strong alerting and monitoring mechanisms.
• They are expected to lead the adoption of best practices around coding, designing, performance of systems in a team.

Experience or Skills Required:

• B.Tech or Advanced degree in Computer Science with 6-12 years of industry experience in product based companies.
• Proficiency with Basic libraries for machine learning such as scikit-learn and pandas
• Experience in building solutions based on Linear Regression, Logistic Regression, K Nearest neighbor, SVM, Random Forest, Decision Trees.
• Strong experience with at least one of programming languages: Python, Java, Vertx, Golang
• Strong experience in building Server side reusable components based on Microservices or Distributed Architecture.
• Solid coding skills with ability to lead teams in identifying clearing tech debts for large scale code base.
• Good understanding & experience in improving performance of scalable and real time responsive applications.
• Excellent Problem Solving skills and an aptitude to approach problems from first principles and build solutions for those.
• Must have excellent communication (verbal & written), interpersonal, leadership, and problem solving skills.
• Must be able to work independently and enjoy working at a fast paced start-up environment
• Excellent Mentoring skills. Be the technical mentor to your team.
• Must be comfortable working in fuzzy environments where boundaries are not clearly defined.

As an SDE, you will develop a deep understanding of our business, work closely with development teams and own the architecture and end-to-end delivery of software components.

Requirements:

• Exp: 3 - 8 years.
• 4 + years' experience building successful production software systems.
• A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field).
• The ability to take convert raw requirements into good design while exploring technical feasibility tradeoffs.
• Expertise in System design (design patterns, LLD, HLD, Solid principle, OOAD, Distributed systems etc. ), Architecture (MVC/Micro services).
• Excellence in technical communication.
• Has experience in mentoring other software developers.
• BS/MS in Computer Science or equivalent.
• Experience developing service oriented architectures and an understanding of design for scalability, performance and reliability.
• Demonstrated ability to mentor other software developers to maintain architectural vision and software quality.
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
• Expertise in delivering high-quality, innovative application.
• Strong desire to build, sense of ownership, urgency, and drive.
• Strong organisational and problem solving skills with great attention to detail.
• Ability to triage issues, react well to changes, work with teams and ability to multi-task on multiple products and projects.
• Experience building highly scalable, high availability services.
• The ideal candidate will be a visionary leader, builder and operator.
• He/she should have experience leading or contributing to multiple simultaneous product development efforts and initiatives.
• He/she needs to balance technical leadership with strong business judgment to make the right decisions about technology choices.
• He/she needs to be constantly striving for simplicity, and at the same time demonstrate significant creativity, innovation and judgme.
• Proficiency in, at least, one modern programming language.
• Experience in SQL or Non-SQL database.
• Strong sense of ownership, urgency, and drive.
• Demonstrated leadership abilities in an engineering environment in driving operational excellence and best practices.
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
• Excellent communication, collaboration, reporting, analytical and problem solving skills.
• Good understanding of at least some of the modern programming languages (Java) and open-source technologies

What we look for:

• Strong analytical and problem-solving skills
• Hands on programming work in Advance Java, Springs, Spring Boot framework,
• Ability to independently work on complex business requirements 
• Ability to communicate clearly and concisely 

What will you do:

You will independently work on designing and developing solutions that solve customer’s business problems. You will own the assigned problem statements, evaluate multiple technical approaches and use design-thinking to take independent decisions while implementing the solution. You will also guide junior members of the team and participate in code and design review process.

Who should apply:

You have -

• a graduate degree in BE, BTech, MTech, MCA from a reputed institute
• 5 to 7 years of hands-on experience in programming Core Java 8, Spring Boot, Spring Rest Template, Spring Security, Spring Data, Spring JDBC Template
• Good to Have experience/knowledge on Docker, Oracle, MongoDB, Quartz Scheduler, Shell scripting
• Working experience with Windows, Linux environments