Golang & Java/Python Engineer | 4+ yrs | Bangalore
About the Role
We are looking for a Senior Backend Engineer to join our core engineering team and help build high-
throughput, low-latency services that power real-time trading at scale. What We’re Looking For
You are someone who has built backend systems in a regulated, high-stakes environment — ideally fintech, brokerage, payments, or banking. You think in terms of system reliability, data correctness, and operational
excellence. You take ownership of services end-to-end: from design and implementation through deployment, monitoring, and incident response. You communicate clearly, make pragmatic trade-offs, and hold yourself and
your peers to a high engineering bar. What You’ll Do
• Design, build, and own backend microservices for a real-time trading platform — from API contracts
through to production observability. • Work with databases, caches, and event-driven architectures to ensure high availability and data
consistency across distributed systems. • Build integrations with third-party financial services — clearing, settlement, identity verification, and
payment rails. • Define and enforce engineering standards — code reviews, testing strategies, API design conventions, and incident response processes. • Collaborate with product, design, and cross-functional teams to translate business requirements into
well-scoped technical deliverables. • Participate in on-call rotations and own production reliability for the services you build. • Mentor junior engineers and contribute to a culture of technical excellence and continuous improvement. Must-Have
• 5+ years backend engineering experience with Golang and Java in production. • Strong experience with PostgreSQL, Redis, and event-driven messaging (Kafka, NATS, or RabbitMQ). • Experience building and maintaining REST/gRPC APIs at scale with proper error handling, rate limiting, and versioning. • Understanding of financial systems — ledgers, reconciliation, order lifecycle, or payment processing.
• Experience with microservices architecture, API gateways, and service-to-service communication
patterns. • Familiarity with CI/CD pipelines, containerization (Docker/Kubernetes), and cloud infrastructure (AWS or
GCP). • Strong debugging and incident-response skills in distributed systems. Nice-to-Have
• Prior experience at a brokerage, wealth-tech, neo-bank, or payments company. • Experience with clearing broker integrations or introducing broker models. • Knowledge of compliance and regulatory requirements for cross-border financial products. • Experience with search infrastructure (Typesense, Elasticsearch). • Background in performance engineering — profiling, load testing, and latency optimization. Tech Stack
Languages Golang (primary), Java; Python (analytics/scripting)
Databases PostgreSQL, Redis, Typesense
Messaging Kafka, NATS, SSE / WebSocket
Infrastructure Docker, Kubernetes, AWS/GCP, Terraform
Integrations Clearing broker APIs, KYC providers, payment gateways
Observability Datadog / Grafana, PagerDuty, structured logging (ELK)
Shubham Vishwakarma
Full Stack Developer - Averlon
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Company Description
NonStop io Technologies, founded in August 2015, is a Bespoke Engineering Studio specializing in Product Development. With over 80 satisfied clients worldwide, we serve startups and enterprises across prominent technology hubs, including San Francisco, New York, Houston, Seattle, London, Pune, and Tokyo. Our experienced team brings over 10 years of expertise in building web and mobile products across multiple industries. Our work is grounded in empathy, creativity, collaboration, and clean code, striving to build products that matter and foster an environment of accountability and collaboration.
Responsibilities:
● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
● Code Reviews: Participate in code reviews to maintain high-quality standards
● Troubleshooting: Debug and resolve application issues in a timely manner
● Testing: Develop and execute unit and integration tests to ensure software reliability
● Optimize: Identify and address performance bottlenecks to enhance application performance
Qualifications & Skills:
● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
● Familiarity with RESTful APIs and web services
● Familiarity with Mirth Connect for building, managing, and supporting integrations
● Proficiency in working with relational databases like MySQL or PostgreSQL
● Practical experience with AWS cloud services and building scalable, microservices-based architectures
● Experience with build tools like Maven or Gradle
● Understanding of version control systems, especially Git
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
● Ready to be a tech-agnostic engineer and comfortable to shift on any tech stack (Java, Node, Python etc)
● Comfortable working with AI (Claude code, Cursor etc)
Why Join Us?
● Opportunity to work on cutting-edge technology products
● A collaborative and learning-driven environment
● Exposure to AI and software engineering innovations
● Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you
Who we are: My AI Client is building the foundational platform for the "agentic economy," moving beyond simple chatbots to create an ecosystem for autonomous AI agents and they aim to provide tools for developers to launch, manage, and monetize AI agents as "digital coworkers."
The Challenge
The current AI stack is fragmented, leading to issues with multimodal data, silent webhook failures, unpredictable token usage, and nascent agent-to-agent collaboration. My AI Client is building a unified, robust backend to resolve these issues for the developer community.
Your Mission
As a foundational member of the backend team, you will architect core systems, focusing on:
- Agent Nervous System: Designing agent-to-agent messaging, lifecycle management, and high-concurrency, low-latency communication.
- Multimodal Chaos Taming: Engineering systems to process and understand real-time images, audio, video, and text.
- Bulletproof Systems: Developing secure, observable webhook systems with robust billing, metering, and real-time payment pipelines.
What You'll Bring
- My AI Client seeks an experienced engineer comfortable with complex systems and ambiguity.
Core Experience:
● Typically 3 to 5 years of experience in backend engineering roles.
● Expertise in Python, especially with async frameworks like FastAPI.
● Strong command of Docker and cloud deployment (AWS, Cloud Run, or similar).
● Proven experience designing and building microservice or agent-based architectures.
Specialized Experience (Ideal):
- Real-Time Systems: Experience with real-time media transmission like WebRTC, WebSockets and ways to process them.
- Scalable Systems: Experience in building scalable, fault-tolerant systems with a strong understanding of observability, monitoring, and alerting best practices.
- Reliable Webhooks: Knowledge of scalable webhook infrastructure with retry logic, backoffs, and security.
- Data Processing: Experience with multimodal data (e.g., OCR, audio transcription, video chunking with FFmpeg/OpenCV).
- Payments & Metering: Familiarity with usage-based billing systems or token-based ledgers.
Your Impact
- The systems designed by this role will form the foundation for:
- Thousands of AI agents for major partners across chat, video, and APIs.
- A new creator economy enabling developers to earn revenue through agents.
- The overall speed, security, and scalability of my client’s AI platform.
Why Join Us?
- Opportunity to solve hard problems with clean, scalable code.
- Small, fast-paced team with high ownership and zero micromanagement.
- Belief in platform engineering as a craft and care for developer experience.
- Conviction that AI agents are the future, and a desire to build their powering platform.
- Dynamic, collaborative in-office work environment in Bengaluru in a Hybrid setup (weekly 2 days from office)
- Meaningful equity in a growing, well-backed company.
- Direct work with founders and engineers from top AI companies.
- A real voice in architectural and product decisions.
- Opportunity to solve cutting-edge problems with no legacy code.
Ready to Build the Future?
My AI Client is building the core platform for the next software paradigm. Interested candidates are encouraged to apply with their GitHub, resume, or anything that showcases their thinking.
Responsibilities:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review • Designing, implementing, and maintaining Java applications that are often high-volume and low-latency.
• Identify bottlenecks and bugs, and devise solutions to these problems
Skills: • Expert hands on knowledge of latest technology, good exposure to web technologies and open to all technologies like Java, J2EE, Spring boot , Microservices, Cloud computing, any DB • Very good exposure to DevOps concepts and tools, Continuous Integration and Continuous Delivery • Quick learner, believes in continuous learning and acts as a catalyst for building the culture within the organization • Analytical thinking skills, problems solving with strong exposure to root causing tools and techniques and ability to come up with solutions in complex situations.
• Solid understanding of object-oriented programming
• Familiar with various design and architectural patterns
• Skill for writing reusable Java libraries
• Experience with both external and embedded databases
• Understanding fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools, such as Git
• Familiarity with build tools such as Ant, Maven, and Gradle • Deep insight of Java and JEE internals such as memory management, transaction management, etc. • Implementation of API. • Problem solving skills, analytical mind, and a positive attitude. • Experience with test-driven development. • Experience in the Spring, Spring Boot, and Hibernate • Knowledge of developing REST API. • Results oriented and focused on meeting deliverable timelines. • Good communication skills • Problem-solving attitude • Ability to establish priorities • Teamwork and willingness to listen to others • Eagerness to learn new ideas, concepts, and technologies. • Understand Java EE Architecture
• Clear understanding of web services and SOA related standards like REST/OAuth/JSON • Good knowledge of MicroServices. • Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience. • Working experience in Industry Standard protocols related API Security • Strong background working with Linux/UNIX environments. • should have hands-on experience in developing software with agile or scrum methodologies and are ready to lead our junior developer's team.
Position: Lead Backend Engineer
Location: Remote
Experience: 10+ Years
Budget: 1.7 LPM
Employment Type: [Contract]
Required Skills & Qualifications:
- 10+ years of proven backend engineering experience.
- Strong proficiency in Python.
- Expertise in SQL (Postgres) and database optimization.
- Hands-on experience with OpenAI APIs.
- Strong command of FastAPI and microservices architecture.
- Solid knowledge of debugging, troubleshooting, and performance tuning.
Nice to Have:
- Experience with Agentic Systems or ability to quickly adopt them.
- Exposure to modern CI/CD pipelines, containerization (Docker/Kubernetes), and cloud platforms (AWS, Azure, or GCP).
Hands on experinece with minimum 8 years of programming experinece in JAVA 8 (or) 11
Good experience using Springboot, Hibernate or JPA frameworks, Spring security, Spring MVC (or) Spring Ioc (or)Spring AoP (or) any other spring framework.
Good experinece in utilising & working in Restful Webservices & Java Collection."
"Experinence in Swagger, Microservices, Basic security, Design patterns.
Good Experinece in ulilising & working with Cosmos (or) MySQL.
Good to Have
Experinence in Swagger, Microservices, Basic security, Design patterns.
Good Experinece in ulilising & working with Cosmos (or) MySQL.
Exp - 4-6 years
Immediate joiners preferred
Location - Bangalore
Java + Spring boot
Microservice
MYSQL
Design principal
-Clear Communication: Practice clear and concise communication to effectively convey technical concepts.
- In-Depth Knowledge: Be prepared to provide detailed insights into experiences with specific technologies and tools, showcasing expertise.
- Specific Examples: Share real-world examples or projects where they have applied the mentioned technologies to demonstrate practical knowledge.
- Problem-Solving Skills: Be ready to discuss how they have solved real-world technical challenges in previous roles.
- Continuous Learning: Emphasize a commitment to continuous learning and staying updated with industry trends, especially in rapidly evolving fields like cloud technologies.
Java Full Stack Developer
Notice Period: 45 days / Immediate Joining
Banyan Data Services (BDS) is a US-based Infrastructure Services Company, headquartered in San Jose, California, USA. It provides the full stack managed services to support the business applications and data infrastructure
We are looking for a Java Full Stack Developer who has the expertise and deep knowledge of frameworks and tools used in java and who works end to end on the application stack, right from developing the front end, the back-end module & the database.
It's a once-in-a-lifetime opportunity to join our start-up run by a world-class executive team. We are looking for candidates that aspire to be a part of the cutting-edge solutions and services we offer that address next-gen data evolution challenges
Key Responsibilities
· Ability to write high-quality code efficiently
· Design and develop new services or micro-services.
· Participate in planning and management of development process.
· Share architectural design vision with both technical and non-technical team members, including fellow engineers.
· Works on improvements in development toolset including testing frameworks, deployment scripts, and monitoring libraries.
· Experience solving complex problems and implementing solutions for performance and scalability.
· Write clean, well-structured and maintainable code with automated test coverage and corresponding documentation.
· Explore new latest relevant technology, techniques, frameworks, tools, methodologies, and processes.
· Comfortable working with all aspects of software development; including DevOps, quality assurance, research, and design.
Key Requirements
· 3+ years of experience working with Core Java, Spring framework & Spring Boot, Hibernate, Spring Data JPA.
· Knowledge of microservices architecture is mandatory.
· Must have worked on Java Multi-threading & Java NIO.
· At least 1-year of experience with front-end technologies like Angular, React, Vue.js applications.
· Exposure to any of relation database technologies MySQL, Postgres, Oracle, or any No-SQL database.
· Strong knowledge of Web APIs.
· Experience with agile application development.
· Having knowledge of O Auth 2.0 JWT is a plus.
· Proficiency in one or more modern programming languages i. e. Java or J2EE, Python, Go, React.
· Experience in Cloud Technologies including AWS, containers, and Kubernetes.
· Demonstrated experience in performing DevOps for platforms.
· Strong Skill sets in Data Structures & Algorithm in using efficient way of code complexity.
· Passion for learning new technologies and the ability to do so quickly
http://www.banyandata.com" target="_blank">www.banyandata.com
We’re Looking for Someone With:
Experience working with startups.
Experience working with ORMs like SQLAlchemy or Django
Experience with SQL and databases (Postgres preferred)
Experience in developing large server side applications and microservices
Ability to create high quality code
Experience with python testing tools (pytest) and test automation
Familiarity with code versioning tools like GIT
Strong sense of ownership and leadership quality
Experienced in the tools of our web stack
o Python
o Celery
o Postgres
o Redis
o RabbitMQ
Nice to Haves:
Prior experience at a growth stage Internet/Software company
Experience with ReactJS, Google Cloud, Heroku
Cloud deployment and scaling experience
● Be responsible for programming and software development using various programming languages and related tools and frameworks, reviewing code written by other programmers, requirement gathering, bug fixing, testing, documenting and implementation.
● Good understanding of GoLang and microservices
● To take up development and deployment of native code to manage the customer facing platforms
● Explain complex technical issues to project managers, developers, application leads and architects in an easy to understand manner, and recommend clearly thought out solutions.
● Knowledge of Integration Design patterns for building middleware systems from the ground up
● Knowledge of Web Services Interoperability, standards and ability to suggest, criticize and formulate solutions in a multi-vendor and architecture discussions.
● Develop solutions by designing system specifications, standards and programming
● Troubleshoot issues and provide bug fixes.
We are building consumer internet space, payment processing, e-commerce and/or enterprise. SAAS products. Undergraduate (or higher) degree in computer science/engineering. You have an excellent grasp over theoretical and applied computer science.
Job Description
Responsibilities You can take responsibility of large sized projects. You can take full responsibility of one or more core modules and/or technical verticals / libraries / frameworks / components. This will include design and architecture, evaluating and deciding which framework/language/data store/tools to us, preparing roadmaps and timely delivery. You understand the business impact of your decisions. You will review code and ensure that implementations are testable, performant, scalable, documented and secure. You will work closely with product, design, revenue, platform and growth teams. You can take responsibility of large sized projects involving inter-departmental stakeholders. You can take full responsibility of one or more core modules and/or technical verticals / libraries / frameworks / components. Payment processing framework capable of supporting multiple payment methods (cards, netbanking, UPI, wallets, etc.) with one or more payment method supported across multiple payment gateways. This will include design and architecture, evaluating and deciding which framework/language/data store/tools to us, preparing roadmaps and timely delivery. You will drive engineering best practices, recruit other engineers, lead and manage teams, conduct performance reviews and mentor other engineers. You will review code and ensure that implementations are testable, performant, scalable, documented and secure. You will work closely with product, design, revenue, platform and growth teams.
Requirements 3-5 Years of Experience in software engineering.
5-10 years of industry experience in software engineering building consumer internet space, payment processing, e-commerce and/or enterprise SAAS products. Bachelor's Degree in Computer Science or related field, or 3+ years relevant work experience. Undergraduate (or higher) degree in computer science/engineering. You have an excellent grasp over theoretical and applied computer science. You have excellent problem solving and analytical skills. You should be able to identify systemic issues, performance bottlenecks and design/architect improvements. Experience with working on PCI compliant infrastructure. You should be able to build at this engineering level Store builder (products with multi-level variants (colour, size, etc.), SKUs, discounts) and shopping cart. Highly concurrent double entry accounting system. You have excellent problem solving and analytical skills. You should be able to identify systemic issues, performance bottlenecks and design/architect improvements. Good hold on data structures and algorithms. Strong object-oriented design skills, and an uncanny ability to design intuitive modules and class-level interface.
Desired Skills and Experience Python, Golang, Java, Ruby on Rails, Django
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Full Stack Developer - Averlon